diff --git a/.babelrc b/.babelrc new file mode 100644 index 0000000..baa91fa --- /dev/null +++ b/.babelrc @@ -0,0 +1,3 @@ +{ + presets: ["es2015-riot"] +} \ No newline at end of file diff --git a/.gitignore b/.gitignore index 6d0aca4..c139360 100644 --- a/.gitignore +++ b/.gitignore @@ -9,3 +9,4 @@ src/scss/*.css.map src/elements/*.css src/elements/*.css.map /bower_components/ +/old/ diff --git a/app.coffee b/app.coffee deleted file mode 100644 index 081d7c9..0000000 --- a/app.coffee +++ /dev/null @@ -1,42 +0,0 @@ -express = require('express'); -path = require('path'); -favicon = require('static-favicon'); -logger = require('morgan'); -cookieParser = require('cookie-parser'); -bodyParser = require('body-parser'); - -app = express(); - -app.set('views', path.join(__dirname, 'views')); -app.set('view engine', 'jade'); - -app.use(favicon()); -app.use(logger('dev')); -app.use(bodyParser.json()); -app.use(bodyParser.urlencoded()); -app.use(cookieParser()); -app.use(express.static(path.join(__dirname, 'public'))); -app.use("/bower_components", express.static(path.join(__dirname, 'bower_components'))); - -app.use "/", require("./routes/index") -app.use "/nodes", require("./routes/nodes") - -app.use (req, res, next) -> - err = new Error("Not Found") - err.status = 404 - next(err) - -if app.get("env") == "development" - app.use (err, req, res, next) -> - res.status(err.status || 500) - res.render "error", - message: err.message - error: err - -app.use (err, req, res, next) -> - res.status(err.status || 500) - res.render "error", - message: err.message - error: {} - -module.exports = app; diff --git a/app.js b/app.js new file mode 100644 index 0000000..2fcb97f --- /dev/null +++ b/app.js @@ -0,0 +1,20 @@ +'use strict'; + +const express = require("express"); +const bodyParser = require("body-parser"); +const path = require("path"); + +let app = express(); + +app.set("view engine", "jade"); +app.set("views", path.join(__dirname, "views")); + +app.use(express.static(path.join(__dirname, "public"))); + +app.use(bodyParser.urlencoded({ + extended: true +})); + +app.use("/", require("./lib/routes/index")); + +app.listen(3000); \ No newline at end of file diff --git a/bin/www.coffee b/bin/www.coffee deleted file mode 100755 index f9c00ec..0000000 --- a/bin/www.coffee +++ /dev/null @@ -1,8 +0,0 @@ -#!/usr/bin/env coffee -debug = require('debug')('openNG') -app = require('../app') - -app.set('port', process.env.PORT ? 3000) - -server = app.listen app.get('port'), -> - debug('Express server listening on port ' + server.address().port) diff --git a/bower.json b/bower.json deleted file mode 100644 index 6e01d4b..0000000 --- a/bower.json +++ /dev/null @@ -1,8 +0,0 @@ -{ - "name": "openNG", - "dependencies": { - "platform": "Polymer/platform#~0.4.2", - "polymer": "Polymer/polymer#~0.5.5" - }, - "devDependencies": {} -} diff --git a/db.coffee b/db.coffee deleted file mode 100644 index ca1af39..0000000 --- a/db.coffee +++ /dev/null @@ -1 +0,0 @@ -module.exports = "hi" \ No newline at end of file diff --git a/gulpfile.js b/gulpfile.js index 68ac1e6..b9b8766 100644 --- a/gulpfile.js +++ b/gulpfile.js @@ -1,143 +1,81 @@ var gulp = require('gulp'); -/* CoffeeScript compile deps */ var path = require('path'); var gutil = require('gulp-util'); -var concat = require('gulp-concat'); var rename = require('gulp-rename'); -var coffee = require('gulp-coffee'); -var sass = require("gulp-sass"); -var cache = require('gulp-cached'); -var remember = require('gulp-remember'); -var plumber = require('gulp-plumber'); var livereload = require('gulp-livereload'); var nodemon = require("gulp-nodemon"); -var jade = require("gulp-jade"); var net = require("net"); -var spy = require("through2-spy"); -var webpack = require("gulp-webpack"); -var named = require("vinyl-named"); +var webpack = require("webpack-stream"); +var webpackLib = require("webpack") -function namedLog(name) { - return function gutilLog(log) { - gc = gutil.colors; +var presetES2015 = require("@joepie91/gulp-preset-es2015");4 - items = ["[- " + gc.magenta(name) + " -]"]; +var nodemonRestarting = false; - for(i in arguments) { - items.push(arguments[i]); - } - - gutil.log.apply(null, items); +function tryReload() { + if (nodemonRestarting === false) { + livereload.changed.apply(null, arguments); } } -tasks = { - coffee: [ - { - name: "util", - source: ["templateUtil.coffee"], - base: ".", - destination: "." - } - ], - jade: [ - { - name: "views", - source: ["./views/client/**/*.jade"], - base: "./views/client", - destination: "./public/views" - }, { - name: "elements", - source: ["./src/elements/**/*.jade"], - base: "./src/elements", - destination: "./public/elements" - } - ], - sass: [ - { - name: "elements", - source: ["./src/elements/**/*.scss"], - base: "./src/elements", - destination: "./public/elements" - } - ] -} - -function concatName(type, name) { - return type + "-" + name; -} - -for (var type in tasks) { - var subTasks = tasks[type]; - - for (var i in subTasks) { - var subTask = subTasks[i]; - - (function(type, subTask) { - var taskName = concatName(type, subTask.name); - - gulp.task(taskName, function() { - var processor; - - switch(type) { - case "coffee": - processor = coffee({bare: true}); - break; - case "jade": - processor = jade({locals: require("./templateUtil")}); - break; - case "sass": - processor = sass(); - break; - } +/* The following resolves JacksonGariety/gulp-nodemon#33 */ +process.once("SIGINT", function() { + process.exit(0); +}); - return gulp.src(subTask.source, {base: subTask.base}) - .pipe(plumber()) - .pipe(cache(taskName)) - .pipe(processor.on('error', gutil.log)) - .pipe(spy.obj(namedLog(taskName))) - .pipe(remember(taskName)) - .pipe(gulp.dest(subTask.destination)); - }); - })(type, subTask); - } -} +gulp.task("babel", function() { + return gulp.src("./src/**/*.js") + .pipe(presetES2015({ + basePath: __dirname + })) + .pipe(gulp.dest("./lib")); +}) gulp.task('webpack', function(){ - return gulp.src("./src/coffee/index.coffee") + return gulp.src("./src/frontend/index.js") .pipe(webpack({ watch: true, module: { - loaders: [{ test: /\.coffee$/, loader: "coffee-loader" }] + preLoaders: [{ + test: /\.tag$/, + loader: "riotjs-loader", + exclude: /node_modules/, + query: { + type: "babel", + template: "jade" + } + }], + loaders: [ + { test: /\.js$/, loader: "babel-loader" }, + { test: /\.json$/, loader: "json-loader" }, + //{ loader: "logging-loader" } + ] + }, + plugins: [ new webpackLib.ProvidePlugin({riot: "riot"}) ], + resolveLoader: { root: path.join(__dirname, "node_modules") }, + resolve: { + extensions: [ + "", + ".tag", + ".web.js", ".js", + ".web.json", ".json" + ] }, - resolve: { extensions: ["", ".web.coffee", ".web.js", ".coffee", ".js"] } + debug: false })) .pipe(rename("bundle.js")) .pipe(gulp.dest("./public/js")); }); -gulp.task("webpack-elements", function() { - return gulp.src(["./src/elements/**/*.coffee"], {base: "./src/elements"}) - .pipe(plumber()) - .pipe(named()) - .pipe(webpack({ - watch: true, - module: { - loaders: [{ test: /\.coffee$/, loader: "coffee-loader" }] - }, - resolve: { extensions: ["", ".web.coffee", ".web.js", ".coffee", ".js"] } - })) - .pipe(gulp.dest("./public/elements")); -}); - function checkServerUp(){ setTimeout(function(){ var sock = new net.Socket(); sock.setTimeout(50); sock.on("connect", function(){ + nodemonRestarting = false; console.log("Triggering page reload..."); - livereload.changed(); + tryReload("*"); sock.destroy(); }) .on("timeout", checkServerUp) @@ -146,34 +84,20 @@ function checkServerUp(){ }, 70); } -var startupTasks = []; -var watchTasks = []; - -for (var type in tasks) { - var subTasks = tasks[type]; - - for (var i in subTasks) { - var subTask = subTasks[i]; - var taskName = concatName(type, subTask.name); - startupTasks.push(taskName); - watchTasks.push([subTask, taskName]); - } -} - -gulp.task('watch', function () { - global.isWatching = true; +gulp.task("nodemon", ["babel"], function() { + nodemon({ + script: "./app.js", + delay: 500, + ignore: ["public"] + }).on("restart", function() { + nodemonRestarting = true; + }).on("start", checkServerUp); +}) + +gulp.task('watch', ["nodemon"], function () { livereload.listen(); - gulp.watch(['./**/*.css', 'views/**/*.jade', '!views/client/**/*.jade', 'package.json']).on('change', livereload.changed); - gulp.watch(['public/views/**/*.html', 'public/elements/**/*']).on('change', function() { livereload.changed("*"); }); // We need to explicitly reload everything here; Polymer doesn't do partial reloading - - for (i in watchTasks) { - task = watchTasks[i]; - gulp.watch(task[0].source, [task[1]]); - } - - nodemon({script: "./bin/www.coffee", ext: "coffee", delay: 500}).on("start", checkServerUp); + gulp.watch(['./**/*.css', 'views/**/*.jade', '!views/client/**/*.jade', 'package.json', "./public/js/**/*.js"]).on('change', tryReload); + gulp.watch(['public/views/**/*.html', 'public/elements/**/*']).on('change', function() { tryReload("*"); }); // We need to explicitly reload everything here; Polymer doesn't do partial reloading }); -startupTasks.push("webpack", "webpack-elements", "watch"); - -gulp.task('default', startupTasks); +gulp.task("default", ["watch", "webpack"]); \ No newline at end of file diff --git a/lib/components/app/index.js b/lib/components/app/index.js new file mode 100644 index 0000000..760d992 --- /dev/null +++ b/lib/components/app/index.js @@ -0,0 +1,9 @@ +'use strict'; + +require("../window"); + +require("../../views/sample-view"); + +require("../../views/node/create"); + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/autocomplete/index.js b/lib/components/uikit/autocomplete/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/autocomplete/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/button/index.js b/lib/components/uikit/button/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/button/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/form-section/index.js b/lib/components/uikit/form-section/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/form-section/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/frame/index.js b/lib/components/uikit/frame/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/frame/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/input-spawner/index.js b/lib/components/uikit/input-spawner/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/input-spawner/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/input/index.js b/lib/components/uikit/input/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/input/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/textarea/index.js b/lib/components/uikit/textarea/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/textarea/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/uikit/toolbar/index.js b/lib/components/uikit/toolbar/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/uikit/toolbar/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/view-manager/index.js b/lib/components/view-manager/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/view-manager/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/window-meta/index.js b/lib/components/window-meta/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/components/window-meta/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/lib/components/window/index.js b/lib/components/window/index.js new file mode 100644 index 0000000..24de1fe --- /dev/null +++ b/lib/components/window/index.js @@ -0,0 +1,5 @@ +'use strict'; + +require("../view-manager"); + +require("./component"); \ No newline at end of file diff --git a/lib/frontend/index.js b/lib/frontend/index.js new file mode 100644 index 0000000..ca82778 --- /dev/null +++ b/lib/frontend/index.js @@ -0,0 +1,12 @@ +'use strict'; + +var $ = require("jquery"); +var riot = require("riot"); + +require("debug").enable("*"); + +require("../components/app"); + +$(function () { + riot.mount("*"); +}); \ No newline at end of file diff --git a/lib/frontend/riot-change.js b/lib/frontend/riot-change.js new file mode 100644 index 0000000..5ace20a --- /dev/null +++ b/lib/frontend/riot-change.js @@ -0,0 +1,8 @@ +'use strict'; + +module.exports = { + change: function change(data) { + Object.assign(this, data); + this.update(); + } +}; \ No newline at end of file diff --git a/lib/frontend/riot-on-child.js b/lib/frontend/riot-on-child.js new file mode 100644 index 0000000..d043cae --- /dev/null +++ b/lib/frontend/riot-on-child.js @@ -0,0 +1,68 @@ +'use strict'; + +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); + +var riotQuery = require("riot-query"); +var arrayDiff = require("arraydiff"); + +module.exports = { + init: function init() { + var _this = this; + + var knownTags = []; + var listeners = {}; + + function triggerEvent(action, query, item) { + if (listeners[query] != null && listeners[query][action] != null) { + listeners[query][action].forEach(function (handler) { + handler(item); + }); + } + } + + this.on("updated", function () { + Object.keys(listeners).forEach(function (query) { + var currentTags = riotQuery(_this, query); + var diff = arrayDiff(knownTags, currentTags); + + diff.forEach(function (item) { + if (item.type === "remove") { + for (var i = item.index; i < item.index + item.howMany; i++) { + triggerEvent("remove", query, knownTags[i]); + } + } else if (item.type === "move") { + for (var _i = item.index; _i < item.from + item.howMany; _i++) { + triggerEvent("move", query, knownTags[_i]); + } + } else if (item.type === "insert") { + item.values.forEach(function (value) { + triggerEvent("create", query, value); + }); + } + }); + + knownTags = currentTags; + }); + }); + + this.onChild = function (eventName, handler) { + var _eventName$split = eventName.split(":", 2); + + var _eventName$split2 = _slicedToArray(_eventName$split, 2); + + var action = _eventName$split2[0]; + var query = _eventName$split2[1]; + + + if (listeners[query] == null) { + listeners[query] = {}; + } + + if (listeners[query][action] == null) { + listeners[query][action] = []; + } + + listeners[query][action].push(handler); + }; + } +}; \ No newline at end of file diff --git a/public/elements/_polymer.html b/lib/frontend/riot-state-router.js similarity index 100% rename from public/elements/_polymer.html rename to lib/frontend/riot-state-router.js diff --git a/lib/jquery/draggable.js b/lib/jquery/draggable.js new file mode 100644 index 0000000..ac6ede1 --- /dev/null +++ b/lib/jquery/draggable.js @@ -0,0 +1,43 @@ +'use strict'; + +var debounce = require("debounce"); +var defaultValue = require("default-value"); + +var selectable = require("./selectable"); + +module.exports = function ($) { + selectable($); + + $.fn.draggable = function () { + var _this = this; + + var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0]; + + var debounceInterval = defaultValue(options.debounce, 10); + + this.on("mousedown", function (event) { + var startX = event.pageX; + var startY = event.pageY; + + var moveHandler = debounce(function (event) { + _this.trigger("draggable:move", [{ + offsetX: event.pageX - startX, + offsetY: event.pageY - startY + }]); + }, debounceInterval); + + $(document).on("mousemove", moveHandler); + + $(document).one("mouseup", function (event) { + $(document).off("mousemove", moveHandler); + $(document).enableSelection(); + + _this.trigger("draggable:end"); + }); + + $(document).disableSelection(); + + _this.trigger("draggable:start"); + }); + }; +}; \ No newline at end of file diff --git a/lib/jquery/selectable.js b/lib/jquery/selectable.js new file mode 100644 index 0000000..055ff8b --- /dev/null +++ b/lib/jquery/selectable.js @@ -0,0 +1,11 @@ +'use strict'; + +module.exports = function ($) { + $.fn.disableSelection = function () { + return this.attr("unselectable", "on").css("user-select", "none").on("selectstart", false); + }; + + $.fn.enableSelection = function () { + return this.removeAttr("unselectable").css("user-select", "auto").off("selectstart", false); + }; +}; \ No newline at end of file diff --git a/lib/riot/mixins/dockable-container.js b/lib/riot/mixins/dockable-container.js new file mode 100644 index 0000000..31923c9 --- /dev/null +++ b/lib/riot/mixins/dockable-container.js @@ -0,0 +1,140 @@ +'use strict'; + +var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); + +var elementSize = require("element-size"); +var sortDockable = require("./util/sort-dockables"); + +function px(pixels) { + return pixels + "px"; +} + +module.exports = { + init: function init() { + var _this = this; + + console.log("foo", this); + var dockableAPI = { + isActive: function isActive() { + return _this.opts.dockableContainer != null; + }, + stack: [], + fillElement: null, + recalculateLayout: function recalculateLayout() { + dockableAPI.stack.forEach(function (item, i) { + item.stackIndex = i; + }); + + var orderedStack = dockableAPI.stack.slice().sort(sortDockable); + + var reservedLeft = 0; + var reservedRight = 0; + var reservedTop = 0; + var reservedBottom = 0; + + orderedStack.forEach(function (item) { + var element = item.tag.root; + + /* We set the positioning to absolute *before* attempting + * to obtain the element size - this way, we can be sure + * that the element won't try to stretch to its container. + * Instead, it'll be auto-sized, which is exactly what we + * want. */ + element.style.position = "absolute"; + + var _elementSize = elementSize(element); + + var _elementSize2 = _slicedToArray(_elementSize, 2); + + var width = _elementSize2[0]; + var height = _elementSize2[1]; + + + if (item.heightHint != null) { + height = item.heightHint; + } + + if (item.widthHint != null) { + width = item.widthHint; + } + + // FIXME: Should the following really be errors? + if ((item.side === "left" || item.side === "right") && width === 0) { + throw new Error("Cannot horizontally dock an element without a width; you may need to specify a dock-width"); + } else if ((item.side === "top" || item.side === "bottom") && height === 0) { + throw new Error("Cannot vertically dock an element without a height; you may need to specify a dock-height"); + } + + if (item.side === "left") { + Object.assign(element.style, { + left: px(reservedLeft), + top: px(reservedTop), + bottom: px(reservedBottom) + }); + + delete element.style.right; + + reservedLeft += width; + } else if (item.side === "right") { + Object.assign(element.style, { + right: px(reservedRight), + top: px(reservedTop), + bottom: px(reservedBottom) + }); + + delete element.style.left; + + reservedRight += width; + } else if (item.side === "top") { + Object.assign(element.style, { + left: px(reservedLeft), + right: px(reservedRight), + top: px(reservedTop) + }); + + delete element.style.bottom; + + reservedTop += height; + } else if (item.side === "bottom") { + Object.assign(element.style, { + left: px(reservedLeft), + right: px(reservedRight), + bottom: px(reservedBottom) + }); + + delete element.style.top; + + reservedBottom += height; + } + + console.log("reserved", reservedLeft, reservedRight, reservedTop, reservedBottom); + }); + + var item = dockableAPI.fillElement; + + if (item != null) { + var element = item.root; + + Object.assign(element.style, { + position: "absolute", + left: px(reservedLeft), + right: px(reservedRight), + top: px(reservedTop), + bottom: px(reservedBottom) + }); + } + + console.log("ordered stack", orderedStack); + } + }; + + this._uikitDockableContainer = dockableAPI; + + this.on("mount", function () { + console.log("dockable-container mounted"); + if (dockableAPI.isActive()) { + dockableAPI.recalculateLayout(); + } + }); + } +}; \ No newline at end of file diff --git a/lib/riot/mixins/dockable.js b/lib/riot/mixins/dockable.js new file mode 100644 index 0000000..af6a22f --- /dev/null +++ b/lib/riot/mixins/dockable.js @@ -0,0 +1,52 @@ +'use strict'; + +var inArray = require("in-array"); + +function findContainer(tag) { + var lastTag = tag; + var dockableContainer = void 0; + + while (dockableContainer == null && lastTag != null) { + var candidate = lastTag.parent; + + if (candidate != null && candidate._uikitDockableContainer != null && candidate._uikitDockableContainer.isActive()) { + dockableContainer = candidate; + } else { + lastTag = candidate; + } + } + + if (dockableContainer != null) { + return dockableContainer; + } else { + // FIXME: Better error reporting? + throw new Error("Could not find a dockable container for tag"); + } +} + +module.exports = { + init: function init() { + if (this.opts.dock != null) { + var dockableContainer = findContainer(this); + var containerData = dockableContainer._uikitDockableContainer; + + if (inArray(["bottom", "top", "left", "right"], this.opts.dock)) { + containerData.stack.push({ + tag: this, + side: this.opts.dock, + order: this.opts.dockOrder, + widthHint: this.opts.dockWidth, + heightHint: this.opts.dockHeight + }); + } else if (this.opts.dock === "fill") { + if (containerData.fillElement != null) { + throw new Error("There can be only one tag with a `dock` setting of `fill` within a dockable container"); + } else { + containerData.fillElement = this; + } + } else { + throw new Error("Invalid `dock` property; must be one of bottom, top, left, right, fill"); + } + } + } +}; \ No newline at end of file diff --git a/lib/riot/mixins/util/sort-dockables.js b/lib/riot/mixins/util/sort-dockables.js new file mode 100644 index 0000000..2c6d23b --- /dev/null +++ b/lib/riot/mixins/util/sort-dockables.js @@ -0,0 +1,36 @@ +'use strict'; + +module.exports = function (a, b) { + var aOrder = void 0, + bOrder = void 0; + + if (a.order != null) { + aOrder = parseInt(a.order); + } + + if (b.order != null) { + bOrder = parseInt(b.order); + } + + if (aOrder != null && bOrder == null) { + return -1; + } else if (aOrder == null && bOrder != null) { + return 1; + } else if (aOrder != null && bOrder != null) { + if (aOrder < bOrder) { + return -1; + } else if (aOrder > bOrder) { + return 1; + } else { + return 0; + } + } else { + if (a.stackIndex < b.stackIndex) { + return -1; + } else if (a.stackIndex > b.stackIndex) { + return 1; + } else { + return 0; + } + } +}; \ No newline at end of file diff --git a/lib/routes/index.js b/lib/routes/index.js new file mode 100644 index 0000000..beccafa --- /dev/null +++ b/lib/routes/index.js @@ -0,0 +1,21 @@ +"use strict"; + +var router = require("express-promise-router")(); + +router.get("/", function (req, res) { + res.render("layout"); +}); + +router.get("/node/:uuid", function (req, res) { + res.json({ uuid: req.params.uuid }); +}); + +router.get("/test1", function (req, res) { + res.send("test ONE go to 2 instead or in a new window"); +}); + +router.get("/test2", function (req, res) { + res.send("test TWO go to 1 instead or in a new window"); +}); + +module.exports = router; \ No newline at end of file diff --git a/lib/views/node/create/index.js b/lib/views/node/create/index.js new file mode 100644 index 0000000..b93aff2 --- /dev/null +++ b/lib/views/node/create/index.js @@ -0,0 +1,14 @@ +'use strict'; + +require("../../../components/uikit/frame"); +require("../../../components/uikit/toolbar"); +require("../../../components/uikit/button"); +require("../../../components/uikit/form-section"); +require("../../../components/uikit/input-spawner"); +require("../../../components/uikit/input"); +require("../../../components/uikit/textarea"); +require("../../../components/uikit/autocomplete"); + +require("../../../components/window-meta"); + +require("./component"); \ No newline at end of file diff --git a/lib/views/sample-view/index.js b/lib/views/sample-view/index.js new file mode 100644 index 0000000..919fc91 --- /dev/null +++ b/lib/views/sample-view/index.js @@ -0,0 +1,3 @@ +'use strict'; + +require("./component"); \ No newline at end of file diff --git a/models/Attribute.coffee b/models/Attribute.coffee deleted file mode 100644 index fef5f10..0000000 --- a/models/Attribute.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Attribute", - tableName: "attributes" - idAttribute: "id" diff --git a/models/AttributeSource.coffee b/models/AttributeSource.coffee deleted file mode 100644 index b320eca..0000000 --- a/models/AttributeSource.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "AttributeSource", - tableName: "attribute_sources" - idAttribute: "id" \ No newline at end of file diff --git a/models/AttributeType.coffee b/models/AttributeType.coffee deleted file mode 100644 index 1043bf8..0000000 --- a/models/AttributeType.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "AttributeType", - tableName: "attribute_types" - idAttribute: "id" \ No newline at end of file diff --git a/models/Bin.coffee b/models/Bin.coffee deleted file mode 100644 index 66aa744..0000000 --- a/models/Bin.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Bin", - tableName: "bins" - idAttribute: "id" \ No newline at end of file diff --git a/models/BinAuthorization.coffee b/models/BinAuthorization.coffee deleted file mode 100644 index de6aaa1..0000000 --- a/models/BinAuthorization.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "BinAuthorization", - tableName: "bin_authorizations" - idAttribute: "id" \ No newline at end of file diff --git a/models/BinItem.coffee b/models/BinItem.coffee deleted file mode 100644 index 7560642..0000000 --- a/models/BinItem.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "BinItem", - tableName: "bin_items" - idAttribute: "id" \ No newline at end of file diff --git a/models/BinProjectAssociation.coffee b/models/BinProjectAssociation.coffee deleted file mode 100644 index 5ae6958..0000000 --- a/models/BinProjectAssociation.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "BinProjectAssociation", - tableName: "bin_project_associations" - idAttribute: "id" \ No newline at end of file diff --git a/models/Clearance.coffee b/models/Clearance.coffee deleted file mode 100644 index 4ba191f..0000000 --- a/models/Clearance.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Clearance", - tableName: "clearances" - idAttribute: "id" \ No newline at end of file diff --git a/models/Node.coffee b/models/Node.coffee deleted file mode 100644 index 2d715a7..0000000 --- a/models/Node.coffee +++ /dev/null @@ -1,8 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Node", - tableName: "nodes" - idAttribute: "id" - relationIdAttribute: "perma_id" - type: -> this.belongsTo "NodeType", "type_id" - tags: -> this.belongsToMany("NodeTag").through "NodeTagAssociation" - attributes: -> this.hasMany "Attribute", "node_id" diff --git a/models/NodeTag.coffee b/models/NodeTag.coffee deleted file mode 100644 index feeea1c..0000000 --- a/models/NodeTag.coffee +++ /dev/null @@ -1,8 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "NodeTag", - tableName: "node_tags" - idAttribute: "id" - nodes: -> - wrappedModel = Object.create(bookshelf.model("NodeTag")) - wrappedModel.idAttribute = - this.belongsToMany("NodeTag").through "NodeTagAssociation" \ No newline at end of file diff --git a/models/NodeTagAssociation.coffee b/models/NodeTagAssociation.coffee deleted file mode 100644 index 5e8d832..0000000 --- a/models/NodeTagAssociation.coffee +++ /dev/null @@ -1,6 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "NodeTagAssociation", - tableName: "node_tag_associations" - idAttribute: "id" - node: this.belongsTo "Node", "node_id" - tag: this.belongsTo "NodeTag", "tag_id" \ No newline at end of file diff --git a/models/NodeType.coffee b/models/NodeType.coffee deleted file mode 100644 index 6ce7c5d..0000000 --- a/models/NodeType.coffee +++ /dev/null @@ -1,5 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "NodeType", - tableName: "node_types" - idAttribute: "id" - nodes: this.hasMany "Node", "type_id" \ No newline at end of file diff --git a/models/Project.coffee b/models/Project.coffee deleted file mode 100644 index d064665..0000000 --- a/models/Project.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Project", - tableName: "projects" - idAttribute: "id" \ No newline at end of file diff --git a/models/ProjectAuthorization.coffee b/models/ProjectAuthorization.coffee deleted file mode 100644 index ba15943..0000000 --- a/models/ProjectAuthorization.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "ProjectAuthorization", - tableName: "project_autorizations" - idAttribute: "id" \ No newline at end of file diff --git a/models/Reference.coffee b/models/Reference.coffee deleted file mode 100644 index f70e222..0000000 --- a/models/Reference.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Reference", - tableName: "references" - idAttribute: "id" \ No newline at end of file diff --git a/models/Relationship.coffee b/models/Relationship.coffee deleted file mode 100644 index 079346d..0000000 --- a/models/Relationship.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "Relationship", - tableName: "relationships" - idAttribute: "id" \ No newline at end of file diff --git a/models/RelationshipReference.coffee b/models/RelationshipReference.coffee deleted file mode 100644 index e97417e..0000000 --- a/models/RelationshipReference.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "RelationshipReference", - tableName: "relationship_references" - idAttribute: "id" \ No newline at end of file diff --git a/models/RelationshipSource.coffee b/models/RelationshipSource.coffee deleted file mode 100644 index 268dcc1..0000000 --- a/models/RelationshipSource.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "RelationshipSource", - tableName: "relationship_sources" - idAttribute: "id" \ No newline at end of file diff --git a/models/RelationshipType.coffee b/models/RelationshipType.coffee deleted file mode 100644 index a415fd5..0000000 --- a/models/RelationshipType.coffee +++ /dev/null @@ -1,4 +0,0 @@ -module.exports = (bookshelf) -> - bookshelf.model "RelationshipType", - tableName: "relationship_types" - idAttribute: "id" \ No newline at end of file diff --git a/package.json b/package.json index 48b24e6..d29fbbb 100644 --- a/package.json +++ b/package.json @@ -6,40 +6,58 @@ "start": "node ./bin/www" }, "dependencies": { - "angular-ui-router": "^0.2.10", - "bluebird": "^2.3.2", - "body-parser": "~1.0.0", - "cookie-parser": "~1.0.1", - "debug": "~0.7.4", - "express": "~4.2.0", - "express-promise-router": "0.0.6", - "gulp-remember": "^0.3.0", + "arraydiff": "^0.1.3", + "bhttp": "^1.2.1", + "bluebird": "^3.0.6", + "body-parser": "^1.14.1", + "cookie-parser": "^1.4.0", + "debug": "^2.2.0", + "default-value": "0.0.3", + "express": "^4.13.3", + "express-promise-router": "0.0.9", + "extend": "^3.0.0", "highland": "^2.4.0", - "jade": "~1.3.0", + "in-array": "^0.1.2", + "jade": "^1.11.0", "jquery": "^2.1.1", - "lodash": "^2.4.1", - "morgan": "~1.0.0", - "static-favicon": "~1.0.0", - "vinyl-named": "^1.1.0" + "lodash": "^3.10.1", + "morgan": "^1.6.1", + "node-sass": "^3.2.0", + "null-loader": "^0.1.1", + "riot": "^2.4.0", + "riot-query": "0.0.2", + "serve-favicon": "^2.3.0", + "uuid": "^2.0.1", + "vinyl-named": "^1.1.0", + "xtend": "^4.0.1" }, "devDependencies": { + "@joepie91/gulp-preset-es2015": "^1.0.1", + "babel-loader": "^6.2.4", + "babel-preset-es2015-riot": "^1.1.0", + "brfs": "^1.4.1", "coffee-loader": "^0.7.2", "coffee-script": "^1.9.1", - "gulp": "~3.8.0", - "gulp-cached": "~0.0.3", - "gulp-coffee": "~2.0.1", - "gulp-concat": "~2.2.0", - "gulp-jade": "^0.7.0", - "gulp-livereload": "~2.1.0", - "gulp-nodemon": "~1.0.4", - "gulp-notify": "^1.6.0", - "gulp-plumber": "~0.6.3", - "gulp-remember": "~0.3.0", - "gulp-rename": "~1.2.0", - "gulp-sass": "^1.3.3", - "gulp-util": "~2.2.17", - "gulp-webpack": "^1.2.0", - "pretty-hrtime": "^0.2.1", - "through2-spy": "^1.2.0" + "debounce": "^1.0.0", + "element-size": "^1.1.1", + "gulp": "^3.9.0", + "gulp-cached": "^1.1.0", + "gulp-coffee": "^2.3.1", + "gulp-concat": "^2.6.0", + "gulp-jade": "^1.1.0", + "gulp-livereload": "^3.8.1", + "gulp-named-log": "0.0.7", + "gulp-nodemon": "^2.0.4", + "gulp-plumber": "^1.0.1", + "gulp-remember": "^0.3.0", + "gulp-rename": "^1.2.0", + "gulp-sass": "^2.1.0", + "gulp-util": "^3.0.7", + "json-loader": "^0.5.4", + "path-to-regexp": "^1.2.1", + "riotjs-loader": "^1.2.0", + "through2-spy": "^2.0.0", + "transform-loader": "^0.2.3", + "webpack-stream": "^2.3.0" } } diff --git a/public/elements/button.css b/public/elements/button.css deleted file mode 100644 index 3fbe1a5..0000000 --- a/public/elements/button.css +++ /dev/null @@ -1,6 +0,0 @@ -i { - margin-right: 5px; } - -button[type="submit"] { - background-color: #148C29; - color: white; } diff --git a/public/elements/button.html b/public/elements/button.html deleted file mode 100644 index 8d7d242..0000000 --- a/public/elements/button.html +++ /dev/null @@ -1 +0,0 @@ - \ No newline at end of file diff --git a/public/elements/frame.css b/public/elements/frame.css deleted file mode 100644 index 5574f99..0000000 --- a/public/elements/frame.css +++ /dev/null @@ -1,2 +0,0 @@ -contents.main { - overflow: auto; } diff --git a/public/elements/frame.html b/public/elements/frame.html deleted file mode 100644 index 3f440dc..0000000 --- a/public/elements/frame.html +++ /dev/null @@ -1 +0,0 @@ - \ No newline at end of file diff --git a/public/elements/frame.js b/public/elements/frame.js deleted file mode 100644 index 3b448b4..0000000 --- a/public/elements/frame.js +++ /dev/null @@ -1,58 +0,0 @@ -/******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; -/******/ -/******/ // The require function -/******/ function __webpack_require__(moduleId) { -/******/ -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; -/******/ -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; -/******/ -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ -/******/ // Flag the module as loaded -/******/ module.loaded = true; -/******/ -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } -/******/ -/******/ -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; -/******/ -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; -/******/ -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; -/******/ -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(1); - - -/***/ }, -/* 1 */ -/***/ function(module, exports, __webpack_require__) { - - Polymer("pn-frame", {}); - - -/***/ } -/******/ ]) \ No newline at end of file diff --git a/public/elements/router.html b/public/elements/router.html deleted file mode 100644 index 0f6f0e2..0000000 --- a/public/elements/router.html +++ /dev/null @@ -1 +0,0 @@ - \ No newline at end of file diff --git a/public/elements/router.js b/public/elements/router.js deleted file mode 100755 index 256e3be..0000000 --- a/public/elements/router.js +++ /dev/null @@ -1,7291 +0,0 @@ -/******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; -/******/ -/******/ // The require function -/******/ function __webpack_require__(moduleId) { -/******/ -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; -/******/ -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; -/******/ -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ -/******/ // Flag the module as loaded -/******/ module.loaded = true; -/******/ -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } -/******/ -/******/ -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; -/******/ -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; -/******/ -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; -/******/ -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(2); - - -/***/ }, -/* 1 */, -/* 2 */ -/***/ function(module, exports, __webpack_require__) { - - var __; - - __ = __webpack_require__(7); - - Polymer("openng-router", { - _lastNavigatedURL: "", - _lastNavigatedMethod: "", - publish: { - url: "", - 'external-handler': null, - navigate: function(url, method, options) { - if (method == null) { - method = "GET"; - } - if (options == null) { - options = {}; - } - if (url === "") { - return; - } - if (options.type == null) { - options.type = method; - } - return $.ajax(url, options).done((function(_this) { - return function(data, textStatus, xhr) { - return $(_this).html(data); - }; - })(this)); - } - }, - ready: function() { - var self; - self = this; - $(this).on("click", "a", function(event) { - var url; - event.preventDefault(); - url = $(this).attr("href"); - if ($(this).attr("target") === "_blank" && (self['external-handler'] != null)) { - return self['external-handler'](url); - } else { - return self.navigate(url); - } - }); - return this.navigate(this.url); - }, - urlChanged: function(oldValue, newValue) { - return console.log("URL CHANGED", this.url, oldValue, newValue); - } - }); - - -/***/ }, -/* 3 */, -/* 4 */, -/* 5 */, -/* 6 */, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/** - * @license - * Lo-Dash 2.4.1 (Custom Build) - * Build: `lodash -o ./dist/lodash.compat.js` - * Copyright 2012-2013 The Dojo Foundation - * Based on Underscore.js 1.5.2 - * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors - * Available under MIT license - */ - ;(function() { - - /** Used as a safe reference for `undefined` in pre ES5 environments */ - var undefined; - - /** Used to pool arrays and objects used internally */ - var arrayPool = [], - objectPool = []; - - /** Used to generate unique IDs */ - var idCounter = 0; - - /** Used internally to indicate various things */ - var indicatorObject = {}; - - /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */ - var keyPrefix = +new Date + ''; - - /** Used as the size when optimizations are enabled for large arrays */ - var largeArraySize = 75; - - /** Used as the max size of the `arrayPool` and `objectPool` */ - var maxPoolSize = 40; - - /** Used to detect and test whitespace */ - var whitespace = ( - // whitespace - ' \t\x0B\f\xA0\ufeff' + - - // line terminators - '\n\r\u2028\u2029' + - - // unicode category "Zs" space separators - '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000' - ); - - /** Used to match empty string literals in compiled template source */ - var reEmptyStringLeading = /\b__p \+= '';/g, - reEmptyStringMiddle = /\b(__p \+=) '' \+/g, - reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; - - /** - * Used to match ES6 template delimiters - * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-literals-string-literals - */ - var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; - - /** Used to match regexp flags from their coerced string values */ - var reFlags = /\w*$/; - - /** Used to detected named functions */ - var reFuncName = /^\s*function[ \n\r\t]+\w/; - - /** Used to match "interpolate" template delimiters */ - var reInterpolate = /<%=([\s\S]+?)%>/g; - - /** Used to match leading whitespace and zeros to be removed */ - var reLeadingSpacesAndZeros = RegExp('^[' + whitespace + ']*0+(?=.$)'); - - /** Used to ensure capturing order of template delimiters */ - var reNoMatch = /($^)/; - - /** Used to detect functions containing a `this` reference */ - var reThis = /\bthis\b/; - - /** Used to match unescaped characters in compiled string literals */ - var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g; - - /** Used to assign default `context` object properties */ - var contextProps = [ - 'Array', 'Boolean', 'Date', 'Error', 'Function', 'Math', 'Number', 'Object', - 'RegExp', 'String', '_', 'attachEvent', 'clearTimeout', 'isFinite', 'isNaN', - 'parseInt', 'setTimeout' - ]; - - /** Used to fix the JScript [[DontEnum]] bug */ - var shadowedProps = [ - 'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', - 'toLocaleString', 'toString', 'valueOf' - ]; - - /** Used to make template sourceURLs easier to identify */ - var templateCounter = 0; - - /** `Object#toString` result shortcuts */ - var argsClass = '[object Arguments]', - arrayClass = '[object Array]', - boolClass = '[object Boolean]', - dateClass = '[object Date]', - errorClass = '[object Error]', - funcClass = '[object Function]', - numberClass = '[object Number]', - objectClass = '[object Object]', - regexpClass = '[object RegExp]', - stringClass = '[object String]'; - - /** Used to identify object classifications that `_.clone` supports */ - var cloneableClasses = {}; - cloneableClasses[funcClass] = false; - cloneableClasses[argsClass] = cloneableClasses[arrayClass] = - cloneableClasses[boolClass] = cloneableClasses[dateClass] = - cloneableClasses[numberClass] = cloneableClasses[objectClass] = - cloneableClasses[regexpClass] = cloneableClasses[stringClass] = true; - - /** Used as an internal `_.debounce` options object */ - var debounceOptions = { - 'leading': false, - 'maxWait': 0, - 'trailing': false - }; - - /** Used as the property descriptor for `__bindData__` */ - var descriptor = { - 'configurable': false, - 'enumerable': false, - 'value': null, - 'writable': false - }; - - /** Used as the data object for `iteratorTemplate` */ - var iteratorData = { - 'args': '', - 'array': null, - 'bottom': '', - 'firstArg': '', - 'init': '', - 'keys': null, - 'loop': '', - 'shadowedProps': null, - 'support': null, - 'top': '', - 'useHas': false - }; - - /** Used to determine if values are of the language type Object */ - var objectTypes = { - 'boolean': false, - 'function': true, - 'object': true, - 'number': false, - 'string': false, - 'undefined': false - }; - - /** Used to escape characters for inclusion in compiled string literals */ - var stringEscapes = { - '\\': '\\', - "'": "'", - '\n': 'n', - '\r': 'r', - '\t': 't', - '\u2028': 'u2028', - '\u2029': 'u2029' - }; - - /** Used as a reference to the global object */ - var root = (objectTypes[typeof window] && window) || this; - - /** Detect free variable `exports` */ - var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports; - - /** Detect free variable `module` */ - var freeModule = objectTypes[typeof module] && module && !module.nodeType && module; - - /** Detect the popular CommonJS extension `module.exports` */ - var moduleExports = freeModule && freeModule.exports === freeExports && freeExports; - - /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */ - var freeGlobal = objectTypes[typeof global] && global; - if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal)) { - root = freeGlobal; - } - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.indexOf` without support for binary searches - * or `fromIndex` constraints. - * - * @private - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - */ - function baseIndexOf(array, value, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0; - - while (++index < length) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * An implementation of `_.contains` for cache objects that mimics the return - * signature of `_.indexOf` by returning `0` if the value is found, else `-1`. - * - * @private - * @param {Object} cache The cache object to inspect. - * @param {*} value The value to search for. - * @returns {number} Returns `0` if `value` is found, else `-1`. - */ - function cacheIndexOf(cache, value) { - var type = typeof value; - cache = cache.cache; - - if (type == 'boolean' || value == null) { - return cache[value] ? 0 : -1; - } - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value; - cache = (cache = cache[type]) && cache[key]; - - return type == 'object' - ? (cache && baseIndexOf(cache, value) > -1 ? 0 : -1) - : (cache ? 0 : -1); - } - - /** - * Adds a given value to the corresponding cache object. - * - * @private - * @param {*} value The value to add to the cache. - */ - function cachePush(value) { - var cache = this.cache, - type = typeof value; - - if (type == 'boolean' || value == null) { - cache[value] = true; - } else { - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value, - typeCache = cache[type] || (cache[type] = {}); - - if (type == 'object') { - (typeCache[key] || (typeCache[key] = [])).push(value); - } else { - typeCache[key] = true; - } - } - } - - /** - * Used by `_.max` and `_.min` as the default callback when a given - * collection is a string value. - * - * @private - * @param {string} value The character to inspect. - * @returns {number} Returns the code unit of given character. - */ - function charAtCallback(value) { - return value.charCodeAt(0); - } - - /** - * Used by `sortBy` to compare transformed `collection` elements, stable sorting - * them in ascending order. - * - * @private - * @param {Object} a The object to compare to `b`. - * @param {Object} b The object to compare to `a`. - * @returns {number} Returns the sort order indicator of `1` or `-1`. - */ - function compareAscending(a, b) { - var ac = a.criteria, - bc = b.criteria, - index = -1, - length = ac.length; - - while (++index < length) { - var value = ac[index], - other = bc[index]; - - if (value !== other) { - if (value > other || typeof value == 'undefined') { - return 1; - } - if (value < other || typeof other == 'undefined') { - return -1; - } - } - } - // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications - // that causes it, under certain circumstances, to return the same value for - // `a` and `b`. See https://github.com/jashkenas/underscore/pull/1247 - // - // This also ensures a stable sort in V8 and other engines. - // See http://code.google.com/p/v8/issues/detail?id=90 - return a.index - b.index; - } - - /** - * Creates a cache object to optimize linear searches of large arrays. - * - * @private - * @param {Array} [array=[]] The array to search. - * @returns {null|Object} Returns the cache object or `null` if caching should not be used. - */ - function createCache(array) { - var index = -1, - length = array.length, - first = array[0], - mid = array[(length / 2) | 0], - last = array[length - 1]; - - if (first && typeof first == 'object' && - mid && typeof mid == 'object' && last && typeof last == 'object') { - return false; - } - var cache = getObject(); - cache['false'] = cache['null'] = cache['true'] = cache['undefined'] = false; - - var result = getObject(); - result.array = array; - result.cache = cache; - result.push = cachePush; - - while (++index < length) { - result.push(array[index]); - } - return result; - } - - /** - * Used by `template` to escape characters for inclusion in compiled - * string literals. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeStringChar(match) { - return '\\' + stringEscapes[match]; - } - - /** - * Gets an array from the array pool or creates a new one if the pool is empty. - * - * @private - * @returns {Array} The array from the pool. - */ - function getArray() { - return arrayPool.pop() || []; - } - - /** - * Gets an object from the object pool or creates a new one if the pool is empty. - * - * @private - * @returns {Object} The object from the pool. - */ - function getObject() { - return objectPool.pop() || { - 'array': null, - 'cache': null, - 'criteria': null, - 'false': false, - 'index': 0, - 'null': false, - 'number': null, - 'object': null, - 'push': null, - 'string': null, - 'true': false, - 'undefined': false, - 'value': null - }; - } - - /** - * Checks if `value` is a DOM node in IE < 9. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a DOM node, else `false`. - */ - function isNode(value) { - // IE < 9 presents DOM nodes as `Object` objects except they have `toString` - // methods that are `typeof` "string" and still can coerce nodes to strings - return typeof value.toString != 'function' && typeof (value + '') == 'string'; - } - - /** - * Releases the given array back to the array pool. - * - * @private - * @param {Array} [array] The array to release. - */ - function releaseArray(array) { - array.length = 0; - if (arrayPool.length < maxPoolSize) { - arrayPool.push(array); - } - } - - /** - * Releases the given object back to the object pool. - * - * @private - * @param {Object} [object] The object to release. - */ - function releaseObject(object) { - var cache = object.cache; - if (cache) { - releaseObject(cache); - } - object.array = object.cache = object.criteria = object.object = object.number = object.string = object.value = null; - if (objectPool.length < maxPoolSize) { - objectPool.push(object); - } - } - - /** - * Slices the `collection` from the `start` index up to, but not including, - * the `end` index. - * - * Note: This function is used instead of `Array#slice` to support node lists - * in IE < 9 and to ensure dense arrays are returned. - * - * @private - * @param {Array|Object|string} collection The collection to slice. - * @param {number} start The start index. - * @param {number} end The end index. - * @returns {Array} Returns the new array. - */ - function slice(array, start, end) { - start || (start = 0); - if (typeof end == 'undefined') { - end = array ? array.length : 0; - } - var index = -1, - length = end - start || 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = array[start + index]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Create a new `lodash` function using the given context object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} [context=root] The context object. - * @returns {Function} Returns the `lodash` function. - */ - function runInContext(context) { - // Avoid issues with some ES3 environments that attempt to use values, named - // after built-in constructors like `Object`, for the creation of literals. - // ES5 clears this up by stating that literals must use built-in constructors. - // See http://es5.github.io/#x11.1.5. - context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root; - - /** Native constructor references */ - var Array = context.Array, - Boolean = context.Boolean, - Date = context.Date, - Error = context.Error, - Function = context.Function, - Math = context.Math, - Number = context.Number, - Object = context.Object, - RegExp = context.RegExp, - String = context.String, - TypeError = context.TypeError; - - /** - * Used for `Array` method references. - * - * Normally `Array.prototype` would suffice, however, using an array literal - * avoids issues in Narwhal. - */ - var arrayRef = []; - - /** Used for native method references */ - var errorProto = Error.prototype, - objectProto = Object.prototype, - stringProto = String.prototype; - - /** Used to restore the original `_` reference in `noConflict` */ - var oldDash = context._; - - /** Used to resolve the internal [[Class]] of values */ - var toString = objectProto.toString; - - /** Used to detect if a method is native */ - var reNative = RegExp('^' + - String(toString) - .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') - .replace(/toString| for [^\]]+/g, '.*?') + '$' - ); - - /** Native method shortcuts */ - var ceil = Math.ceil, - clearTimeout = context.clearTimeout, - floor = Math.floor, - fnToString = Function.prototype.toString, - getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf, - hasOwnProperty = objectProto.hasOwnProperty, - push = arrayRef.push, - propertyIsEnumerable = objectProto.propertyIsEnumerable, - setTimeout = context.setTimeout, - splice = arrayRef.splice, - unshift = arrayRef.unshift; - - /** Used to set meta data on functions */ - var defineProperty = (function() { - // IE 8 only accepts DOM elements - try { - var o = {}, - func = isNative(func = Object.defineProperty) && func, - result = func(o, o, o) && func; - } catch(e) { } - return result; - }()); - - /* Native method shortcuts for methods with the same name as other `lodash` methods */ - var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate, - nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray, - nativeIsFinite = context.isFinite, - nativeIsNaN = context.isNaN, - nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys, - nativeMax = Math.max, - nativeMin = Math.min, - nativeParseInt = context.parseInt, - nativeRandom = Math.random; - - /** Used to lookup a built-in constructor by [[Class]] */ - var ctorByClass = {}; - ctorByClass[arrayClass] = Array; - ctorByClass[boolClass] = Boolean; - ctorByClass[dateClass] = Date; - ctorByClass[funcClass] = Function; - ctorByClass[objectClass] = Object; - ctorByClass[numberClass] = Number; - ctorByClass[regexpClass] = RegExp; - ctorByClass[stringClass] = String; - - /** Used to avoid iterating non-enumerable properties in IE < 9 */ - var nonEnumProps = {}; - nonEnumProps[arrayClass] = nonEnumProps[dateClass] = nonEnumProps[numberClass] = { 'constructor': true, 'toLocaleString': true, 'toString': true, 'valueOf': true }; - nonEnumProps[boolClass] = nonEnumProps[stringClass] = { 'constructor': true, 'toString': true, 'valueOf': true }; - nonEnumProps[errorClass] = nonEnumProps[funcClass] = nonEnumProps[regexpClass] = { 'constructor': true, 'toString': true }; - nonEnumProps[objectClass] = { 'constructor': true }; - - (function() { - var length = shadowedProps.length; - while (length--) { - var key = shadowedProps[length]; - for (var className in nonEnumProps) { - if (hasOwnProperty.call(nonEnumProps, className) && !hasOwnProperty.call(nonEnumProps[className], key)) { - nonEnumProps[className][key] = false; - } - } - } - }()); - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` object which wraps the given value to enable intuitive - * method chaining. - * - * In addition to Lo-Dash methods, wrappers also have the following `Array` methods: - * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`, `splice`, - * and `unshift` - * - * Chaining is supported in custom builds as long as the `value` method is - * implicitly or explicitly included in the build. - * - * The chainable wrapper functions are: - * `after`, `assign`, `bind`, `bindAll`, `bindKey`, `chain`, `compact`, - * `compose`, `concat`, `countBy`, `create`, `createCallback`, `curry`, - * `debounce`, `defaults`, `defer`, `delay`, `difference`, `filter`, `flatten`, - * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`, - * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`, - * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`, - * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `pull`, `push`, - * `range`, `reject`, `remove`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, - * `sortBy`, `splice`, `tap`, `throttle`, `times`, `toArray`, `transform`, - * `union`, `uniq`, `unshift`, `unzip`, `values`, `where`, `without`, `wrap`, - * and `zip` - * - * The non-chainable wrapper functions are: - * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `findIndex`, - * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `has`, `identity`, - * `indexOf`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`, - * `isEmpty`, `isEqual`, `isFinite`, `isFunction`, `isNaN`, `isNull`, `isNumber`, - * `isObject`, `isPlainObject`, `isRegExp`, `isString`, `isUndefined`, `join`, - * `lastIndexOf`, `mixin`, `noConflict`, `parseInt`, `pop`, `random`, `reduce`, - * `reduceRight`, `result`, `shift`, `size`, `some`, `sortedIndex`, `runInContext`, - * `template`, `unescape`, `uniqueId`, and `value` - * - * The wrapper functions `first` and `last` return wrapped values when `n` is - * provided, otherwise they return unwrapped values. - * - * Explicit chaining can be enabled by using the `_.chain` method. - * - * @name _ - * @constructor - * @category Chaining - * @param {*} value The value to wrap in a `lodash` instance. - * @returns {Object} Returns a `lodash` instance. - * @example - * - * var wrapped = _([1, 2, 3]); - * - * // returns an unwrapped value - * wrapped.reduce(function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * // returns a wrapped value - * var squares = wrapped.map(function(num) { - * return num * num; - * }); - * - * _.isArray(squares); - * // => false - * - * _.isArray(squares.value()); - * // => true - */ - function lodash(value) { - // don't wrap if already wrapped, even if wrapped by a different `lodash` constructor - return (value && typeof value == 'object' && !isArray(value) && hasOwnProperty.call(value, '__wrapped__')) - ? value - : new lodashWrapper(value); - } - - /** - * A fast path for creating `lodash` wrapper objects. - * - * @private - * @param {*} value The value to wrap in a `lodash` instance. - * @param {boolean} chainAll A flag to enable chaining for all methods - * @returns {Object} Returns a `lodash` instance. - */ - function lodashWrapper(value, chainAll) { - this.__chain__ = !!chainAll; - this.__wrapped__ = value; - } - // ensure `new lodashWrapper` is an instance of `lodash` - lodashWrapper.prototype = lodash.prototype; - - /** - * An object used to flag environments features. - * - * @static - * @memberOf _ - * @type Object - */ - var support = lodash.support = {}; - - (function() { - var ctor = function() { this.x = 1; }, - object = { '0': 1, 'length': 1 }, - props = []; - - ctor.prototype = { 'valueOf': 1, 'y': 1 }; - for (var key in new ctor) { props.push(key); } - for (key in arguments) { } - - /** - * Detect if an `arguments` object's [[Class]] is resolvable (all but Firefox < 4, IE < 9). - * - * @memberOf _.support - * @type boolean - */ - support.argsClass = toString.call(arguments) == argsClass; - - /** - * Detect if `arguments` objects are `Object` objects (all but Narwhal and Opera < 10.5). - * - * @memberOf _.support - * @type boolean - */ - support.argsObject = arguments.constructor == Object && !(arguments instanceof Array); - - /** - * Detect if `name` or `message` properties of `Error.prototype` are - * enumerable by default. (IE < 9, Safari < 5.1) - * - * @memberOf _.support - * @type boolean - */ - support.enumErrorProps = propertyIsEnumerable.call(errorProto, 'message') || propertyIsEnumerable.call(errorProto, 'name'); - - /** - * Detect if `prototype` properties are enumerable by default. - * - * Firefox < 3.6, Opera > 9.50 - Opera < 11.60, and Safari < 5.1 - * (if the prototype or a property on the prototype has been set) - * incorrectly sets a function's `prototype` property [[Enumerable]] - * value to `true`. - * - * @memberOf _.support - * @type boolean - */ - support.enumPrototypes = propertyIsEnumerable.call(ctor, 'prototype'); - - /** - * Detect if functions can be decompiled by `Function#toString` - * (all but PS3 and older Opera mobile browsers & avoided in Windows 8 apps). - * - * @memberOf _.support - * @type boolean - */ - support.funcDecomp = !isNative(context.WinRTError) && reThis.test(runInContext); - - /** - * Detect if `Function#name` is supported (all but IE). - * - * @memberOf _.support - * @type boolean - */ - support.funcNames = typeof Function.name == 'string'; - - /** - * Detect if `arguments` object indexes are non-enumerable - * (Firefox < 4, IE < 9, PhantomJS, Safari < 5.1). - * - * @memberOf _.support - * @type boolean - */ - support.nonEnumArgs = key != 0; - - /** - * Detect if properties shadowing those on `Object.prototype` are non-enumerable. - * - * In IE < 9 an objects own properties, shadowing non-enumerable ones, are - * made non-enumerable as well (a.k.a the JScript [[DontEnum]] bug). - * - * @memberOf _.support - * @type boolean - */ - support.nonEnumShadows = !/valueOf/.test(props); - - /** - * Detect if own properties are iterated after inherited properties (all but IE < 9). - * - * @memberOf _.support - * @type boolean - */ - support.ownLast = props[0] != 'x'; - - /** - * Detect if `Array#shift` and `Array#splice` augment array-like objects correctly. - * - * Firefox < 10, IE compatibility mode, and IE < 9 have buggy Array `shift()` - * and `splice()` functions that fail to remove the last element, `value[0]`, - * of array-like objects even though the `length` property is set to `0`. - * The `shift()` method is buggy in IE 8 compatibility mode, while `splice()` - * is buggy regardless of mode in IE < 9 and buggy in compatibility mode in IE 9. - * - * @memberOf _.support - * @type boolean - */ - support.spliceObjects = (arrayRef.splice.call(object, 0, 1), !object[0]); - - /** - * Detect lack of support for accessing string characters by index. - * - * IE < 8 can't access characters by index and IE 8 can only access - * characters by index on string literals. - * - * @memberOf _.support - * @type boolean - */ - support.unindexedChars = ('x'[0] + Object('x')[0]) != 'xx'; - - /** - * Detect if a DOM node's [[Class]] is resolvable (all but IE < 9) - * and that the JS engine errors when attempting to coerce an object to - * a string without a `toString` function. - * - * @memberOf _.support - * @type boolean - */ - try { - support.nodeClass = !(toString.call(document) == objectClass && !({ 'toString': 0 } + '')); - } catch(e) { - support.nodeClass = true; - } - }(1)); - - /** - * By default, the template delimiters used by Lo-Dash are similar to those in - * embedded Ruby (ERB). Change the following template settings to use alternative - * delimiters. - * - * @static - * @memberOf _ - * @type Object - */ - lodash.templateSettings = { - - /** - * Used to detect `data` property values to be HTML-escaped. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'escape': /<%-([\s\S]+?)%>/g, - - /** - * Used to detect code to be evaluated. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'evaluate': /<%([\s\S]+?)%>/g, - - /** - * Used to detect `data` property values to inject. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'interpolate': reInterpolate, - - /** - * Used to reference the data object in the template text. - * - * @memberOf _.templateSettings - * @type string - */ - 'variable': '', - - /** - * Used to import variables into the compiled template. - * - * @memberOf _.templateSettings - * @type Object - */ - 'imports': { - - /** - * A reference to the `lodash` function. - * - * @memberOf _.templateSettings.imports - * @type Function - */ - '_': lodash - } - }; - - /*--------------------------------------------------------------------------*/ - - /** - * The template used to create iterator functions. - * - * @private - * @param {Object} data The data object used to populate the text. - * @returns {string} Returns the interpolated text. - */ - var iteratorTemplate = function(obj) { - - var __p = 'var index, iterable = ' + - (obj.firstArg) + - ', result = ' + - (obj.init) + - ';\nif (!iterable) return result;\n' + - (obj.top) + - ';'; - if (obj.array) { - __p += '\nvar length = iterable.length; index = -1;\nif (' + - (obj.array) + - ') { '; - if (support.unindexedChars) { - __p += '\n if (isString(iterable)) {\n iterable = iterable.split(\'\')\n } '; - } - __p += '\n while (++index < length) {\n ' + - (obj.loop) + - ';\n }\n}\nelse { '; - } else if (support.nonEnumArgs) { - __p += '\n var length = iterable.length; index = -1;\n if (length && isArguments(iterable)) {\n while (++index < length) {\n index += \'\';\n ' + - (obj.loop) + - ';\n }\n } else { '; - } - - if (support.enumPrototypes) { - __p += '\n var skipProto = typeof iterable == \'function\';\n '; - } - - if (support.enumErrorProps) { - __p += '\n var skipErrorProps = iterable === errorProto || iterable instanceof Error;\n '; - } - - var conditions = []; if (support.enumPrototypes) { conditions.push('!(skipProto && index == "prototype")'); } if (support.enumErrorProps) { conditions.push('!(skipErrorProps && (index == "message" || index == "name"))'); } - - if (obj.useHas && obj.keys) { - __p += '\n var ownIndex = -1,\n ownProps = objectTypes[typeof iterable] && keys(iterable),\n length = ownProps ? ownProps.length : 0;\n\n while (++ownIndex < length) {\n index = ownProps[ownIndex];\n'; - if (conditions.length) { - __p += ' if (' + - (conditions.join(' && ')) + - ') {\n '; - } - __p += - (obj.loop) + - '; '; - if (conditions.length) { - __p += '\n }'; - } - __p += '\n } '; - } else { - __p += '\n for (index in iterable) {\n'; - if (obj.useHas) { conditions.push("hasOwnProperty.call(iterable, index)"); } if (conditions.length) { - __p += ' if (' + - (conditions.join(' && ')) + - ') {\n '; - } - __p += - (obj.loop) + - '; '; - if (conditions.length) { - __p += '\n }'; - } - __p += '\n } '; - if (support.nonEnumShadows) { - __p += '\n\n if (iterable !== objectProto) {\n var ctor = iterable.constructor,\n isProto = iterable === (ctor && ctor.prototype),\n className = iterable === stringProto ? stringClass : iterable === errorProto ? errorClass : toString.call(iterable),\n nonEnum = nonEnumProps[className];\n '; - for (k = 0; k < 7; k++) { - __p += '\n index = \'' + - (obj.shadowedProps[k]) + - '\';\n if ((!(isProto && nonEnum[index]) && hasOwnProperty.call(iterable, index))'; - if (!obj.useHas) { - __p += ' || (!nonEnum[index] && iterable[index] !== objectProto[index])'; - } - __p += ') {\n ' + - (obj.loop) + - ';\n } '; - } - __p += '\n } '; - } - - } - - if (obj.array || support.nonEnumArgs) { - __p += '\n}'; - } - __p += - (obj.bottom) + - ';\nreturn result'; - - return __p - }; - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.bind` that creates the bound function and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new bound function. - */ - function baseBind(bindData) { - var func = bindData[0], - partialArgs = bindData[2], - thisArg = bindData[4]; - - function bound() { - // `Function#bind` spec - // http://es5.github.io/#x15.3.4.5 - if (partialArgs) { - // avoid `arguments` object deoptimizations by using `slice` instead - // of `Array.prototype.slice.call` and not assigning `arguments` to a - // variable as a ternary expression - var args = slice(partialArgs); - push.apply(args, arguments); - } - // mimic the constructor's `return` behavior - // http://es5.github.io/#x13.2.2 - if (this instanceof bound) { - // ensure `new bound` is an instance of `func` - var thisBinding = baseCreate(func.prototype), - result = func.apply(thisBinding, args || arguments); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisArg, args || arguments); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.clone` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates clones with source counterparts. - * @returns {*} Returns the cloned value. - */ - function baseClone(value, isDeep, callback, stackA, stackB) { - if (callback) { - var result = callback(value); - if (typeof result != 'undefined') { - return result; - } - } - // inspect [[Class]] - var isObj = isObject(value); - if (isObj) { - var className = toString.call(value); - if (!cloneableClasses[className] || (!support.nodeClass && isNode(value))) { - return value; - } - var ctor = ctorByClass[className]; - switch (className) { - case boolClass: - case dateClass: - return new ctor(+value); - - case numberClass: - case stringClass: - return new ctor(value); - - case regexpClass: - result = ctor(value.source, reFlags.exec(value)); - result.lastIndex = value.lastIndex; - return result; - } - } else { - return value; - } - var isArr = isArray(value); - if (isDeep) { - // check for circular references and return corresponding clone - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == value) { - return stackB[length]; - } - } - result = isArr ? ctor(value.length) : {}; - } - else { - result = isArr ? slice(value) : assign({}, value); - } - // add array properties assigned by `RegExp#exec` - if (isArr) { - if (hasOwnProperty.call(value, 'index')) { - result.index = value.index; - } - if (hasOwnProperty.call(value, 'input')) { - result.input = value.input; - } - } - // exit for shallow clone - if (!isDeep) { - return result; - } - // add the source value to the stack of traversed objects - // and associate it with its clone - stackA.push(value); - stackB.push(result); - - // recursively populate clone (susceptible to call stack limits) - (isArr ? baseEach : forOwn)(value, function(objValue, key) { - result[key] = baseClone(objValue, isDeep, callback, stackA, stackB); - }); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.create` without support for assigning - * properties to the created object. - * - * @private - * @param {Object} prototype The object to inherit from. - * @returns {Object} Returns the new object. - */ - function baseCreate(prototype, properties) { - return isObject(prototype) ? nativeCreate(prototype) : {}; - } - // fallback for browsers without `Object.create` - if (!nativeCreate) { - baseCreate = (function() { - function Object() {} - return function(prototype) { - if (isObject(prototype)) { - Object.prototype = prototype; - var result = new Object; - Object.prototype = null; - } - return result || context.Object(); - }; - }()); - } - - /** - * The base implementation of `_.createCallback` without support for creating - * "_.pluck" or "_.where" style callbacks. - * - * @private - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - */ - function baseCreateCallback(func, thisArg, argCount) { - if (typeof func != 'function') { - return identity; - } - // exit early for no `thisArg` or already bound by `Function#bind` - if (typeof thisArg == 'undefined' || !('prototype' in func)) { - return func; - } - var bindData = func.__bindData__; - if (typeof bindData == 'undefined') { - if (support.funcNames) { - bindData = !func.name; - } - bindData = bindData || !support.funcDecomp; - if (!bindData) { - var source = fnToString.call(func); - if (!support.funcNames) { - bindData = !reFuncName.test(source); - } - if (!bindData) { - // checks if `func` references the `this` keyword and stores the result - bindData = reThis.test(source); - setBindData(func, bindData); - } - } - } - // exit early if there are no `this` references or `func` is bound - if (bindData === false || (bindData !== true && bindData[1] & 1)) { - return func; - } - switch (argCount) { - case 1: return function(value) { - return func.call(thisArg, value); - }; - case 2: return function(a, b) { - return func.call(thisArg, a, b); - }; - case 3: return function(value, index, collection) { - return func.call(thisArg, value, index, collection); - }; - case 4: return function(accumulator, value, index, collection) { - return func.call(thisArg, accumulator, value, index, collection); - }; - } - return bind(func, thisArg); - } - - /** - * The base implementation of `createWrapper` that creates the wrapper and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new function. - */ - function baseCreateWrapper(bindData) { - var func = bindData[0], - bitmask = bindData[1], - partialArgs = bindData[2], - partialRightArgs = bindData[3], - thisArg = bindData[4], - arity = bindData[5]; - - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - key = func; - - function bound() { - var thisBinding = isBind ? thisArg : this; - if (partialArgs) { - var args = slice(partialArgs); - push.apply(args, arguments); - } - if (partialRightArgs || isCurry) { - args || (args = slice(arguments)); - if (partialRightArgs) { - push.apply(args, partialRightArgs); - } - if (isCurry && args.length < arity) { - bitmask |= 16 & ~32; - return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~3), args, null, thisArg, arity]); - } - } - args || (args = arguments); - if (isBindKey) { - func = thisBinding[key]; - } - if (this instanceof bound) { - thisBinding = baseCreate(func.prototype); - var result = func.apply(thisBinding, args); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisBinding, args); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.difference` that accepts a single array - * of values to exclude. - * - * @private - * @param {Array} array The array to process. - * @param {Array} [values] The array of values to exclude. - * @returns {Array} Returns a new array of filtered values. - */ - function baseDifference(array, values) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - isLarge = length >= largeArraySize && indexOf === baseIndexOf, - result = []; - - if (isLarge) { - var cache = createCache(values); - if (cache) { - indexOf = cacheIndexOf; - values = cache; - } else { - isLarge = false; - } - } - while (++index < length) { - var value = array[index]; - if (indexOf(values, value) < 0) { - result.push(value); - } - } - if (isLarge) { - releaseObject(values); - } - return result; - } - - /** - * The base implementation of `_.flatten` without support for callback - * shorthands or `thisArg` binding. - * - * @private - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {boolean} [isStrict=false] A flag to restrict flattening to arrays and `arguments` objects. - * @param {number} [fromIndex=0] The index to start from. - * @returns {Array} Returns a new flattened array. - */ - function baseFlatten(array, isShallow, isStrict, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - - if (value && typeof value == 'object' && typeof value.length == 'number' - && (isArray(value) || isArguments(value))) { - // recursively flatten arrays (susceptible to call stack limits) - if (!isShallow) { - value = baseFlatten(value, isShallow, isStrict); - } - var valIndex = -1, - valLength = value.length, - resIndex = result.length; - - result.length += valLength; - while (++valIndex < valLength) { - result[resIndex++] = value[valIndex]; - } - } else if (!isStrict) { - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.isEqual`, without support for `thisArg` binding, - * that allows partial "_.where" style comparisons. - * - * @private - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {Function} [isWhere=false] A flag to indicate performing partial comparisons. - * @param {Array} [stackA=[]] Tracks traversed `a` objects. - * @param {Array} [stackB=[]] Tracks traversed `b` objects. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - */ - function baseIsEqual(a, b, callback, isWhere, stackA, stackB) { - // used to indicate that when comparing objects, `a` has at least the properties of `b` - if (callback) { - var result = callback(a, b); - if (typeof result != 'undefined') { - return !!result; - } - } - // exit early for identical values - if (a === b) { - // treat `+0` vs. `-0` as not equal - return a !== 0 || (1 / a == 1 / b); - } - var type = typeof a, - otherType = typeof b; - - // exit early for unlike primitive values - if (a === a && - !(a && objectTypes[type]) && - !(b && objectTypes[otherType])) { - return false; - } - // exit early for `null` and `undefined` avoiding ES3's Function#call behavior - // http://es5.github.io/#x15.3.4.4 - if (a == null || b == null) { - return a === b; - } - // compare [[Class]] names - var className = toString.call(a), - otherClass = toString.call(b); - - if (className == argsClass) { - className = objectClass; - } - if (otherClass == argsClass) { - otherClass = objectClass; - } - if (className != otherClass) { - return false; - } - switch (className) { - case boolClass: - case dateClass: - // coerce dates and booleans to numbers, dates to milliseconds and booleans - // to `1` or `0` treating invalid dates coerced to `NaN` as not equal - return +a == +b; - - case numberClass: - // treat `NaN` vs. `NaN` as equal - return (a != +a) - ? b != +b - // but treat `+0` vs. `-0` as not equal - : (a == 0 ? (1 / a == 1 / b) : a == +b); - - case regexpClass: - case stringClass: - // coerce regexes to strings (http://es5.github.io/#x15.10.6.4) - // treat string primitives and their corresponding object instances as equal - return a == String(b); - } - var isArr = className == arrayClass; - if (!isArr) { - // unwrap any `lodash` wrapped values - var aWrapped = hasOwnProperty.call(a, '__wrapped__'), - bWrapped = hasOwnProperty.call(b, '__wrapped__'); - - if (aWrapped || bWrapped) { - return baseIsEqual(aWrapped ? a.__wrapped__ : a, bWrapped ? b.__wrapped__ : b, callback, isWhere, stackA, stackB); - } - // exit for functions and DOM nodes - if (className != objectClass || (!support.nodeClass && (isNode(a) || isNode(b)))) { - return false; - } - // in older versions of Opera, `arguments` objects have `Array` constructors - var ctorA = !support.argsObject && isArguments(a) ? Object : a.constructor, - ctorB = !support.argsObject && isArguments(b) ? Object : b.constructor; - - // non `Object` object instances with different constructors are not equal - if (ctorA != ctorB && - !(isFunction(ctorA) && ctorA instanceof ctorA && isFunction(ctorB) && ctorB instanceof ctorB) && - ('constructor' in a && 'constructor' in b) - ) { - return false; - } - } - // assume cyclic structures are equal - // the algorithm for detecting cyclic structures is adapted from ES 5.1 - // section 15.12.3, abstract operation `JO` (http://es5.github.io/#x15.12.3) - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == a) { - return stackB[length] == b; - } - } - var size = 0; - result = true; - - // add `a` and `b` to the stack of traversed objects - stackA.push(a); - stackB.push(b); - - // recursively compare objects and arrays (susceptible to call stack limits) - if (isArr) { - // compare lengths to determine if a deep comparison is necessary - length = a.length; - size = b.length; - result = size == length; - - if (result || isWhere) { - // deep compare the contents, ignoring non-numeric properties - while (size--) { - var index = length, - value = b[size]; - - if (isWhere) { - while (index--) { - if ((result = baseIsEqual(a[index], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } else if (!(result = baseIsEqual(a[size], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } - } - else { - // deep compare objects using `forIn`, instead of `forOwn`, to avoid `Object.keys` - // which, in this case, is more costly - forIn(b, function(value, key, b) { - if (hasOwnProperty.call(b, key)) { - // count the number of properties. - size++; - // deep compare each property value. - return (result = hasOwnProperty.call(a, key) && baseIsEqual(a[key], value, callback, isWhere, stackA, stackB)); - } - }); - - if (result && !isWhere) { - // ensure both objects have the same number of properties - forIn(a, function(value, key, a) { - if (hasOwnProperty.call(a, key)) { - // `size` will be `-1` if `a` has more properties than `b` - return (result = --size > -1); - } - }); - } - } - stackA.pop(); - stackB.pop(); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.merge` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {Object} object The destination object. - * @param {Object} source The source object. - * @param {Function} [callback] The function to customize merging properties. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates values with source counterparts. - */ - function baseMerge(object, source, callback, stackA, stackB) { - (isArray(source) ? forEach : forOwn)(source, function(source, key) { - var found, - isArr, - result = source, - value = object[key]; - - if (source && ((isArr = isArray(source)) || isPlainObject(source))) { - // avoid merging previously merged cyclic sources - var stackLength = stackA.length; - while (stackLength--) { - if ((found = stackA[stackLength] == source)) { - value = stackB[stackLength]; - break; - } - } - if (!found) { - var isShallow; - if (callback) { - result = callback(value, source); - if ((isShallow = typeof result != 'undefined')) { - value = result; - } - } - if (!isShallow) { - value = isArr - ? (isArray(value) ? value : []) - : (isPlainObject(value) ? value : {}); - } - // add `source` and associated `value` to the stack of traversed objects - stackA.push(source); - stackB.push(value); - - // recursively merge objects and arrays (susceptible to call stack limits) - if (!isShallow) { - baseMerge(value, source, callback, stackA, stackB); - } - } - } - else { - if (callback) { - result = callback(value, source); - if (typeof result == 'undefined') { - result = source; - } - } - if (typeof result != 'undefined') { - value = result; - } - } - object[key] = value; - }); - } - - /** - * The base implementation of `_.random` without argument juggling or support - * for returning floating-point numbers. - * - * @private - * @param {number} min The minimum possible value. - * @param {number} max The maximum possible value. - * @returns {number} Returns a random number. - */ - function baseRandom(min, max) { - return min + floor(nativeRandom() * (max - min + 1)); - } - - /** - * The base implementation of `_.uniq` without support for callback shorthands - * or `thisArg` binding. - * - * @private - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function} [callback] The function called per iteration. - * @returns {Array} Returns a duplicate-value-free array. - */ - function baseUniq(array, isSorted, callback) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - result = []; - - var isLarge = !isSorted && length >= largeArraySize && indexOf === baseIndexOf, - seen = (callback || isLarge) ? getArray() : result; - - if (isLarge) { - var cache = createCache(seen); - indexOf = cacheIndexOf; - seen = cache; - } - while (++index < length) { - var value = array[index], - computed = callback ? callback(value, index, array) : value; - - if (isSorted - ? !index || seen[seen.length - 1] !== computed - : indexOf(seen, computed) < 0 - ) { - if (callback || isLarge) { - seen.push(computed); - } - result.push(value); - } - } - if (isLarge) { - releaseArray(seen.array); - releaseObject(seen); - } else if (callback) { - releaseArray(seen); - } - return result; - } - - /** - * Creates a function that aggregates a collection, creating an object composed - * of keys generated from the results of running each element of the collection - * through a callback. The given `setter` function sets the keys and values - * of the composed object. - * - * @private - * @param {Function} setter The setter function. - * @returns {Function} Returns the new aggregator function. - */ - function createAggregator(setter) { - return function(collection, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - setter(result, value, callback(value, index, collection), collection); - } - } else { - baseEach(collection, function(value, key, collection) { - setter(result, value, callback(value, key, collection), collection); - }); - } - return result; - }; - } - - /** - * Creates a function that, when called, either curries or invokes `func` - * with an optional `this` binding and partially applied arguments. - * - * @private - * @param {Function|string} func The function or method name to reference. - * @param {number} bitmask The bitmask of method flags to compose. - * The bitmask may be composed of the following flags: - * 1 - `_.bind` - * 2 - `_.bindKey` - * 4 - `_.curry` - * 8 - `_.curry` (bound) - * 16 - `_.partial` - * 32 - `_.partialRight` - * @param {Array} [partialArgs] An array of arguments to prepend to those - * provided to the new function. - * @param {Array} [partialRightArgs] An array of arguments to append to those - * provided to the new function. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new function. - */ - function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) { - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - isPartial = bitmask & 16, - isPartialRight = bitmask & 32; - - if (!isBindKey && !isFunction(func)) { - throw new TypeError; - } - if (isPartial && !partialArgs.length) { - bitmask &= ~16; - isPartial = partialArgs = false; - } - if (isPartialRight && !partialRightArgs.length) { - bitmask &= ~32; - isPartialRight = partialRightArgs = false; - } - var bindData = func && func.__bindData__; - if (bindData && bindData !== true) { - // clone `bindData` - bindData = slice(bindData); - if (bindData[2]) { - bindData[2] = slice(bindData[2]); - } - if (bindData[3]) { - bindData[3] = slice(bindData[3]); - } - // set `thisBinding` is not previously bound - if (isBind && !(bindData[1] & 1)) { - bindData[4] = thisArg; - } - // set if previously bound but not currently (subsequent curried functions) - if (!isBind && bindData[1] & 1) { - bitmask |= 8; - } - // set curried arity if not yet set - if (isCurry && !(bindData[1] & 4)) { - bindData[5] = arity; - } - // append partial left arguments - if (isPartial) { - push.apply(bindData[2] || (bindData[2] = []), partialArgs); - } - // append partial right arguments - if (isPartialRight) { - unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs); - } - // merge flags - bindData[1] |= bitmask; - return createWrapper.apply(null, bindData); - } - // fast path for `_.bind` - var creater = (bitmask == 1 || bitmask === 17) ? baseBind : baseCreateWrapper; - return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]); - } - - /** - * Creates compiled iteration functions. - * - * @private - * @param {...Object} [options] The compile options object(s). - * @param {string} [options.array] Code to determine if the iterable is an array or array-like. - * @param {boolean} [options.useHas] Specify using `hasOwnProperty` checks in the object loop. - * @param {Function} [options.keys] A reference to `_.keys` for use in own property iteration. - * @param {string} [options.args] A comma separated string of iteration function arguments. - * @param {string} [options.top] Code to execute before the iteration branches. - * @param {string} [options.loop] Code to execute in the object loop. - * @param {string} [options.bottom] Code to execute after the iteration branches. - * @returns {Function} Returns the compiled function. - */ - function createIterator() { - // data properties - iteratorData.shadowedProps = shadowedProps; - - // iterator options - iteratorData.array = iteratorData.bottom = iteratorData.loop = iteratorData.top = ''; - iteratorData.init = 'iterable'; - iteratorData.useHas = true; - - // merge options into a template data object - for (var object, index = 0; object = arguments[index]; index++) { - for (var key in object) { - iteratorData[key] = object[key]; - } - } - var args = iteratorData.args; - iteratorData.firstArg = /^[^,]+/.exec(args)[0]; - - // create the function factory - var factory = Function( - 'baseCreateCallback, errorClass, errorProto, hasOwnProperty, ' + - 'indicatorObject, isArguments, isArray, isString, keys, objectProto, ' + - 'objectTypes, nonEnumProps, stringClass, stringProto, toString', - 'return function(' + args + ') {\n' + iteratorTemplate(iteratorData) + '\n}' - ); - - // return the compiled function - return factory( - baseCreateCallback, errorClass, errorProto, hasOwnProperty, - indicatorObject, isArguments, isArray, isString, iteratorData.keys, objectProto, - objectTypes, nonEnumProps, stringClass, stringProto, toString - ); - } - - /** - * Used by `escape` to convert characters to HTML entities. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeHtmlChar(match) { - return htmlEscapes[match]; - } - - /** - * Gets the appropriate "indexOf" function. If the `_.indexOf` method is - * customized, this method returns the custom method, otherwise it returns - * the `baseIndexOf` function. - * - * @private - * @returns {Function} Returns the "indexOf" function. - */ - function getIndexOf() { - var result = (result = lodash.indexOf) === indexOf ? baseIndexOf : result; - return result; - } - - /** - * Checks if `value` is a native function. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a native function, else `false`. - */ - function isNative(value) { - return typeof value == 'function' && reNative.test(value); - } - - /** - * Sets `this` binding data on a given function. - * - * @private - * @param {Function} func The function to set data on. - * @param {Array} value The data array to set. - */ - var setBindData = !defineProperty ? noop : function(func, value) { - descriptor.value = value; - defineProperty(func, '__bindData__', descriptor); - }; - - /** - * A fallback implementation of `isPlainObject` which checks if a given value - * is an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and that - * there are no `Object.prototype` extensions. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - */ - function shimIsPlainObject(value) { - var ctor, - result; - - // avoid non Object objects, `arguments` objects, and DOM elements - if (!(value && toString.call(value) == objectClass) || - (ctor = value.constructor, isFunction(ctor) && !(ctor instanceof ctor)) || - (!support.argsClass && isArguments(value)) || - (!support.nodeClass && isNode(value))) { - return false; - } - // IE < 9 iterates inherited properties before own properties. If the first - // iterated property is an object's own property then there are no inherited - // enumerable properties. - if (support.ownLast) { - forIn(value, function(value, key, object) { - result = hasOwnProperty.call(object, key); - return false; - }); - return result !== false; - } - // In most environments an object's own properties are iterated before - // its inherited properties. If the last iterated property is an object's - // own property then there are no inherited enumerable properties. - forIn(value, function(value, key) { - result = key; - }); - return typeof result == 'undefined' || hasOwnProperty.call(value, result); - } - - /** - * Used by `unescape` to convert HTML entities to characters. - * - * @private - * @param {string} match The matched character to unescape. - * @returns {string} Returns the unescaped character. - */ - function unescapeHtmlChar(match) { - return htmlUnescapes[match]; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Checks if `value` is an `arguments` object. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an `arguments` object, else `false`. - * @example - * - * (function() { return _.isArguments(arguments); })(1, 2, 3); - * // => true - * - * _.isArguments([1, 2, 3]); - * // => false - */ - function isArguments(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == argsClass || false; - } - // fallback for browsers that can't detect `arguments` objects by [[Class]] - if (!support.argsClass) { - isArguments = function(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee') || false; - }; - } - - /** - * Checks if `value` is an array. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an array, else `false`. - * @example - * - * (function() { return _.isArray(arguments); })(); - * // => false - * - * _.isArray([1, 2, 3]); - * // => true - */ - var isArray = nativeIsArray || function(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == arrayClass || false; - }; - - /** - * A fallback implementation of `Object.keys` which produces an array of the - * given object's own enumerable property names. - * - * @private - * @type Function - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - */ - var shimKeys = createIterator({ - 'args': 'object', - 'init': '[]', - 'top': 'if (!(objectTypes[typeof object])) return result', - 'loop': 'result.push(index)' - }); - - /** - * Creates an array composed of the own enumerable property names of an object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - * @example - * - * _.keys({ 'one': 1, 'two': 2, 'three': 3 }); - * // => ['one', 'two', 'three'] (property order is not guaranteed across environments) - */ - var keys = !nativeKeys ? shimKeys : function(object) { - if (!isObject(object)) { - return []; - } - if ((support.enumPrototypes && typeof object == 'function') || - (support.nonEnumArgs && object.length && isArguments(object))) { - return shimKeys(object); - } - return nativeKeys(object); - }; - - /** Reusable iterator options shared by `each`, `forIn`, and `forOwn` */ - var eachIteratorOptions = { - 'args': 'collection, callback, thisArg', - 'top': "callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3)", - 'array': "typeof length == 'number'", - 'keys': keys, - 'loop': 'if (callback(iterable[index], index, collection) === false) return result' - }; - - /** Reusable iterator options for `assign` and `defaults` */ - var defaultsIteratorOptions = { - 'args': 'object, source, guard', - 'top': - 'var args = arguments,\n' + - ' argsIndex = 0,\n' + - " argsLength = typeof guard == 'number' ? 2 : args.length;\n" + - 'while (++argsIndex < argsLength) {\n' + - ' iterable = args[argsIndex];\n' + - ' if (iterable && objectTypes[typeof iterable]) {', - 'keys': keys, - 'loop': "if (typeof result[index] == 'undefined') result[index] = iterable[index]", - 'bottom': ' }\n}' - }; - - /** Reusable iterator options for `forIn` and `forOwn` */ - var forOwnIteratorOptions = { - 'top': 'if (!objectTypes[typeof iterable]) return result;\n' + eachIteratorOptions.top, - 'array': false - }; - - /** - * Used to convert characters to HTML entities: - * - * Though the `>` character is escaped for symmetry, characters like `>` and `/` - * don't require escaping in HTML and have no special meaning unless they're part - * of a tag or an unquoted attribute value. - * http://mathiasbynens.be/notes/ambiguous-ampersands (under "semi-related fun fact") - */ - var htmlEscapes = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - }; - - /** Used to convert HTML entities to characters */ - var htmlUnescapes = invert(htmlEscapes); - - /** Used to match HTML entities and HTML characters */ - var reEscapedHtml = RegExp('(' + keys(htmlUnescapes).join('|') + ')', 'g'), - reUnescapedHtml = RegExp('[' + keys(htmlEscapes).join('') + ']', 'g'); - - /** - * A function compiled to iterate `arguments` objects, arrays, objects, and - * strings consistenly across environments, executing the callback for each - * element in the collection. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index|key, collection). Callbacks may exit - * iteration early by explicitly returning `false`. - * - * @private - * @type Function - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - */ - var baseEach = createIterator(eachIteratorOptions); - - /*--------------------------------------------------------------------------*/ - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object. Subsequent sources will overwrite property assignments of previous - * sources. If a callback is provided it will be executed to produce the - * assigned values. The callback is bound to `thisArg` and invoked with two - * arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @type Function - * @alias extend - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize assigning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * _.assign({ 'name': 'fred' }, { 'employer': 'slate' }); - * // => { 'name': 'fred', 'employer': 'slate' } - * - * var defaults = _.partialRight(_.assign, function(a, b) { - * return typeof a == 'undefined' ? b : a; - * }); - * - * var object = { 'name': 'barney' }; - * defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var assign = createIterator(defaultsIteratorOptions, { - 'top': - defaultsIteratorOptions.top.replace(';', - ';\n' + - "if (argsLength > 3 && typeof args[argsLength - 2] == 'function') {\n" + - ' var callback = baseCreateCallback(args[--argsLength - 1], args[argsLength--], 2);\n' + - "} else if (argsLength > 2 && typeof args[argsLength - 1] == 'function') {\n" + - ' callback = args[--argsLength];\n' + - '}' - ), - 'loop': 'result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]' - }); - - /** - * Creates a clone of `value`. If `isDeep` is `true` nested objects will also - * be cloned, otherwise they will be assigned by reference. If a callback - * is provided it will be executed to produce the cloned values. If the - * callback returns `undefined` cloning will be handled by the method instead. - * The callback is bound to `thisArg` and invoked with one argument; (value). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var shallow = _.clone(characters); - * shallow[0] === characters[0]; - * // => true - * - * var deep = _.clone(characters, true); - * deep[0] === characters[0]; - * // => false - * - * _.mixin({ - * 'clone': _.partialRight(_.clone, function(value) { - * return _.isElement(value) ? value.cloneNode(false) : undefined; - * }) - * }); - * - * var clone = _.clone(document.body); - * clone.childNodes.length; - * // => 0 - */ - function clone(value, isDeep, callback, thisArg) { - // allows working with "Collections" methods without using their `index` - // and `collection` arguments for `isDeep` and `callback` - if (typeof isDeep != 'boolean' && isDeep != null) { - thisArg = callback; - callback = isDeep; - isDeep = false; - } - return baseClone(value, isDeep, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates a deep clone of `value`. If a callback is provided it will be - * executed to produce the cloned values. If the callback returns `undefined` - * cloning will be handled by the method instead. The callback is bound to - * `thisArg` and invoked with one argument; (value). - * - * Note: This method is loosely based on the structured clone algorithm. Functions - * and DOM nodes are **not** cloned. The enumerable properties of `arguments` objects and - * objects created by constructors other than `Object` are cloned to plain `Object` objects. - * See http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the deep cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var deep = _.cloneDeep(characters); - * deep[0] === characters[0]; - * // => false - * - * var view = { - * 'label': 'docs', - * 'node': element - * }; - * - * var clone = _.cloneDeep(view, function(value) { - * return _.isElement(value) ? value.cloneNode(true) : undefined; - * }); - * - * clone.node == view.node; - * // => false - */ - function cloneDeep(value, callback, thisArg) { - return baseClone(value, true, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates an object that inherits from the given `prototype` object. If a - * `properties` object is provided its own enumerable properties are assigned - * to the created object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} prototype The object to inherit from. - * @param {Object} [properties] The properties to assign to the object. - * @returns {Object} Returns the new object. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * function Circle() { - * Shape.call(this); - * } - * - * Circle.prototype = _.create(Shape.prototype, { 'constructor': Circle }); - * - * var circle = new Circle; - * circle instanceof Circle; - * // => true - * - * circle instanceof Shape; - * // => true - */ - function create(prototype, properties) { - var result = baseCreate(prototype); - return properties ? assign(result, properties) : result; - } - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object for all destination properties that resolve to `undefined`. Once a - * property is set, additional defaults of the same property will be ignored. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param- {Object} [guard] Allows working with `_.reduce` without using its - * `key` and `object` arguments as sources. - * @returns {Object} Returns the destination object. - * @example - * - * var object = { 'name': 'barney' }; - * _.defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var defaults = createIterator(defaultsIteratorOptions); - - /** - * This method is like `_.findIndex` except that it returns the key of the - * first element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': false }, - * 'fred': { 'age': 40, 'blocked': true }, - * 'pebbles': { 'age': 1, 'blocked': false } - * }; - * - * _.findKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => 'barney' (property order is not guaranteed across environments) - * - * // using "_.where" callback shorthand - * _.findKey(characters, { 'age': 1 }); - * // => 'pebbles' - * - * // using "_.pluck" callback shorthand - * _.findKey(characters, 'blocked'); - * // => 'fred' - */ - function findKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwn(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * This method is like `_.findKey` except that it iterates over elements - * of a `collection` in the opposite order. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': true }, - * 'fred': { 'age': 40, 'blocked': false }, - * 'pebbles': { 'age': 1, 'blocked': true } - * }; - * - * _.findLastKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => returns `pebbles`, assuming `_.findKey` returns `barney` - * - * // using "_.where" callback shorthand - * _.findLastKey(characters, { 'age': 40 }); - * // => 'fred' - * - * // using "_.pluck" callback shorthand - * _.findLastKey(characters, 'blocked'); - * // => 'pebbles' - */ - function findLastKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwnRight(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * Iterates over own and inherited enumerable properties of an object, - * executing the callback for each property. The callback is bound to `thisArg` - * and invoked with three arguments; (value, key, object). Callbacks may exit - * iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forIn(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'x', 'y', and 'move' (property order is not guaranteed across environments) - */ - var forIn = createIterator(eachIteratorOptions, forOwnIteratorOptions, { - 'useHas': false - }); - - /** - * This method is like `_.forIn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forInRight(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'move', 'y', and 'x' assuming `_.forIn ` logs 'x', 'y', and 'move' - */ - function forInRight(object, callback, thisArg) { - var pairs = []; - - forIn(object, function(value, key) { - pairs.push(key, value); - }); - - var length = pairs.length; - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - if (callback(pairs[length--], pairs[length], object) === false) { - break; - } - } - return object; - } - - /** - * Iterates over own enumerable properties of an object, executing the callback - * for each property. The callback is bound to `thisArg` and invoked with three - * arguments; (value, key, object). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwn({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs '0', '1', and 'length' (property order is not guaranteed across environments) - */ - var forOwn = createIterator(eachIteratorOptions, forOwnIteratorOptions); - - /** - * This method is like `_.forOwn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwnRight({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs 'length', '1', and '0' assuming `_.forOwn` logs '0', '1', and 'length' - */ - function forOwnRight(object, callback, thisArg) { - var props = keys(object), - length = props.length; - - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - var key = props[length]; - if (callback(object[key], key, object) === false) { - break; - } - } - return object; - } - - /** - * Creates a sorted array of property names of all enumerable properties, - * own and inherited, of `object` that have function values. - * - * @static - * @memberOf _ - * @alias methods - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names that have function values. - * @example - * - * _.functions(_); - * // => ['all', 'any', 'bind', 'bindAll', 'clone', 'compact', 'compose', ...] - */ - function functions(object) { - var result = []; - forIn(object, function(value, key) { - if (isFunction(value)) { - result.push(key); - } - }); - return result.sort(); - } - - /** - * Checks if the specified property name exists as a direct property of `object`, - * instead of an inherited property. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to check. - * @returns {boolean} Returns `true` if key is a direct property, else `false`. - * @example - * - * _.has({ 'a': 1, 'b': 2, 'c': 3 }, 'b'); - * // => true - */ - function has(object, key) { - return object ? hasOwnProperty.call(object, key) : false; - } - - /** - * Creates an object composed of the inverted keys and values of the given object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to invert. - * @returns {Object} Returns the created inverted object. - * @example - * - * _.invert({ 'first': 'fred', 'second': 'barney' }); - * // => { 'fred': 'first', 'barney': 'second' } - */ - function invert(object) { - var index = -1, - props = keys(object), - length = props.length, - result = {}; - - while (++index < length) { - var key = props[index]; - result[object[key]] = key; - } - return result; - } - - /** - * Checks if `value` is a boolean value. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a boolean value, else `false`. - * @example - * - * _.isBoolean(null); - * // => false - */ - function isBoolean(value) { - return value === true || value === false || - value && typeof value == 'object' && toString.call(value) == boolClass || false; - } - - /** - * Checks if `value` is a date. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a date, else `false`. - * @example - * - * _.isDate(new Date); - * // => true - */ - function isDate(value) { - return value && typeof value == 'object' && toString.call(value) == dateClass || false; - } - - /** - * Checks if `value` is a DOM element. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a DOM element, else `false`. - * @example - * - * _.isElement(document.body); - * // => true - */ - function isElement(value) { - return value && value.nodeType === 1 || false; - } - - /** - * Checks if `value` is empty. Arrays, strings, or `arguments` objects with a - * length of `0` and objects with no own enumerable properties are considered - * "empty". - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object|string} value The value to inspect. - * @returns {boolean} Returns `true` if the `value` is empty, else `false`. - * @example - * - * _.isEmpty([1, 2, 3]); - * // => false - * - * _.isEmpty({}); - * // => true - * - * _.isEmpty(''); - * // => true - */ - function isEmpty(value) { - var result = true; - if (!value) { - return result; - } - var className = toString.call(value), - length = value.length; - - if ((className == arrayClass || className == stringClass || - (support.argsClass ? className == argsClass : isArguments(value))) || - (className == objectClass && typeof length == 'number' && isFunction(value.splice))) { - return !length; - } - forOwn(value, function() { - return (result = false); - }); - return result; - } - - /** - * Performs a deep comparison between two values to determine if they are - * equivalent to each other. If a callback is provided it will be executed - * to compare values. If the callback returns `undefined` comparisons will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (a, b). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - * @example - * - * var object = { 'name': 'fred' }; - * var copy = { 'name': 'fred' }; - * - * object == copy; - * // => false - * - * _.isEqual(object, copy); - * // => true - * - * var words = ['hello', 'goodbye']; - * var otherWords = ['hi', 'goodbye']; - * - * _.isEqual(words, otherWords, function(a, b) { - * var reGreet = /^(?:hello|hi)$/i, - * aGreet = _.isString(a) && reGreet.test(a), - * bGreet = _.isString(b) && reGreet.test(b); - * - * return (aGreet || bGreet) ? (aGreet == bGreet) : undefined; - * }); - * // => true - */ - function isEqual(a, b, callback, thisArg) { - return baseIsEqual(a, b, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 2)); - } - - /** - * Checks if `value` is, or can be coerced to, a finite number. - * - * Note: This is not the same as native `isFinite` which will return true for - * booleans and empty strings. See http://es5.github.io/#x15.1.2.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is finite, else `false`. - * @example - * - * _.isFinite(-101); - * // => true - * - * _.isFinite('10'); - * // => true - * - * _.isFinite(true); - * // => false - * - * _.isFinite(''); - * // => false - * - * _.isFinite(Infinity); - * // => false - */ - function isFinite(value) { - return nativeIsFinite(value) && !nativeIsNaN(parseFloat(value)); - } - - /** - * Checks if `value` is a function. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a function, else `false`. - * @example - * - * _.isFunction(_); - * // => true - */ - function isFunction(value) { - return typeof value == 'function'; - } - // fallback for older versions of Chrome and Safari - if (isFunction(/x/)) { - isFunction = function(value) { - return typeof value == 'function' && toString.call(value) == funcClass; - }; - } - - /** - * Checks if `value` is the language type of Object. - * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an object, else `false`. - * @example - * - * _.isObject({}); - * // => true - * - * _.isObject([1, 2, 3]); - * // => true - * - * _.isObject(1); - * // => false - */ - function isObject(value) { - // check if the value is the ECMAScript language type of Object - // http://es5.github.io/#x8 - // and avoid a V8 bug - // http://code.google.com/p/v8/issues/detail?id=2291 - return !!(value && objectTypes[typeof value]); - } - - /** - * Checks if `value` is `NaN`. - * - * Note: This is not the same as native `isNaN` which will return `true` for - * `undefined` and other non-numeric values. See http://es5.github.io/#x15.1.2.4. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `NaN`, else `false`. - * @example - * - * _.isNaN(NaN); - * // => true - * - * _.isNaN(new Number(NaN)); - * // => true - * - * isNaN(undefined); - * // => true - * - * _.isNaN(undefined); - * // => false - */ - function isNaN(value) { - // `NaN` as a primitive is the only value that is not equal to itself - // (perform the [[Class]] check first to avoid errors with some host objects in IE) - return isNumber(value) && value != +value; - } - - /** - * Checks if `value` is `null`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `null`, else `false`. - * @example - * - * _.isNull(null); - * // => true - * - * _.isNull(undefined); - * // => false - */ - function isNull(value) { - return value === null; - } - - /** - * Checks if `value` is a number. - * - * Note: `NaN` is considered a number. See http://es5.github.io/#x8.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a number, else `false`. - * @example - * - * _.isNumber(8.4 * 5); - * // => true - */ - function isNumber(value) { - return typeof value == 'number' || - value && typeof value == 'object' && toString.call(value) == numberClass || false; - } - - /** - * Checks if `value` is an object created by the `Object` constructor. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * _.isPlainObject(new Shape); - * // => false - * - * _.isPlainObject([1, 2, 3]); - * // => false - * - * _.isPlainObject({ 'x': 0, 'y': 0 }); - * // => true - */ - var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) { - if (!(value && toString.call(value) == objectClass) || (!support.argsClass && isArguments(value))) { - return false; - } - var valueOf = value.valueOf, - objProto = isNative(valueOf) && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto); - - return objProto - ? (value == objProto || getPrototypeOf(value) == objProto) - : shimIsPlainObject(value); - }; - - /** - * Checks if `value` is a regular expression. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a regular expression, else `false`. - * @example - * - * _.isRegExp(/fred/); - * // => true - */ - function isRegExp(value) { - return value && objectTypes[typeof value] && toString.call(value) == regexpClass || false; - } - - /** - * Checks if `value` is a string. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a string, else `false`. - * @example - * - * _.isString('fred'); - * // => true - */ - function isString(value) { - return typeof value == 'string' || - value && typeof value == 'object' && toString.call(value) == stringClass || false; - } - - /** - * Checks if `value` is `undefined`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `undefined`, else `false`. - * @example - * - * _.isUndefined(void 0); - * // => true - */ - function isUndefined(value) { - return typeof value == 'undefined'; - } - - /** - * Creates an object with the same keys as `object` and values generated by - * running each own enumerable property of `object` through the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new object with values of the results of each `callback` execution. - * @example - * - * _.mapValues({ 'a': 1, 'b': 2, 'c': 3} , function(num) { return num * 3; }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - * - * var characters = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // using "_.pluck" callback shorthand - * _.mapValues(characters, 'age'); - * // => { 'fred': 40, 'pebbles': 1 } - */ - function mapValues(object, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - forOwn(object, function(value, key, object) { - result[key] = callback(value, key, object); - }); - return result; - } - - /** - * Recursively merges own enumerable properties of the source object(s), that - * don't resolve to `undefined` into the destination object. Subsequent sources - * will overwrite property assignments of previous sources. If a callback is - * provided it will be executed to produce the merged values of the destination - * and source properties. If the callback returns `undefined` merging will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize merging properties. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * var names = { - * 'characters': [ - * { 'name': 'barney' }, - * { 'name': 'fred' } - * ] - * }; - * - * var ages = { - * 'characters': [ - * { 'age': 36 }, - * { 'age': 40 } - * ] - * }; - * - * _.merge(names, ages); - * // => { 'characters': [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] } - * - * var food = { - * 'fruits': ['apple'], - * 'vegetables': ['beet'] - * }; - * - * var otherFood = { - * 'fruits': ['banana'], - * 'vegetables': ['carrot'] - * }; - * - * _.merge(food, otherFood, function(a, b) { - * return _.isArray(a) ? a.concat(b) : undefined; - * }); - * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot] } - */ - function merge(object) { - var args = arguments, - length = 2; - - if (!isObject(object)) { - return object; - } - // allows working with `_.reduce` and `_.reduceRight` without using - // their `index` and `collection` arguments - if (typeof args[2] != 'number') { - length = args.length; - } - if (length > 3 && typeof args[length - 2] == 'function') { - var callback = baseCreateCallback(args[--length - 1], args[length--], 2); - } else if (length > 2 && typeof args[length - 1] == 'function') { - callback = args[--length]; - } - var sources = slice(arguments, 1, length), - index = -1, - stackA = getArray(), - stackB = getArray(); - - while (++index < length) { - baseMerge(object, sources[index], callback, stackA, stackB); - } - releaseArray(stackA); - releaseArray(stackB); - return object; - } - - /** - * Creates a shallow clone of `object` excluding the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` omitting the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The properties to omit or the - * function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object without the omitted properties. - * @example - * - * _.omit({ 'name': 'fred', 'age': 40 }, 'age'); - * // => { 'name': 'fred' } - * - * _.omit({ 'name': 'fred', 'age': 40 }, function(value) { - * return typeof value == 'number'; - * }); - * // => { 'name': 'fred' } - */ - function omit(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var props = []; - forIn(object, function(value, key) { - props.push(key); - }); - props = baseDifference(props, baseFlatten(arguments, true, false, 1)); - - var index = -1, - length = props.length; - - while (++index < length) { - var key = props[index]; - result[key] = object[key]; - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (!callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * Creates a two dimensional array of an object's key-value pairs, - * i.e. `[[key1, value1], [key2, value2]]`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns new array of key-value pairs. - * @example - * - * _.pairs({ 'barney': 36, 'fred': 40 }); - * // => [['barney', 36], ['fred', 40]] (property order is not guaranteed across environments) - */ - function pairs(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - var key = props[index]; - result[index] = [key, object[key]]; - } - return result; - } - - /** - * Creates a shallow clone of `object` composed of the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` picking the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The function called per - * iteration or property names to pick, specified as individual property - * names or arrays of property names. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object composed of the picked properties. - * @example - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, 'name'); - * // => { 'name': 'fred' } - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, function(value, key) { - * return key.charAt(0) != '_'; - * }); - * // => { 'name': 'fred' } - */ - function pick(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var index = -1, - props = baseFlatten(arguments, true, false, 1), - length = isObject(object) ? props.length : 0; - - while (++index < length) { - var key = props[index]; - if (key in object) { - result[key] = object[key]; - } - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * An alternative to `_.reduce` this method transforms `object` to a new - * `accumulator` object which is the result of running each of its own - * enumerable properties through a callback, with each callback execution - * potentially mutating the `accumulator` object. The callback is bound to - * `thisArg` and invoked with four arguments; (accumulator, value, key, object). - * Callbacks may exit iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] The custom accumulator value. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var squares = _.transform([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], function(result, num) { - * num *= num; - * if (num % 2) { - * return result.push(num) < 3; - * } - * }); - * // => [1, 9, 25] - * - * var mapped = _.transform({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function transform(object, callback, accumulator, thisArg) { - var isArr = isArray(object); - if (accumulator == null) { - if (isArr) { - accumulator = []; - } else { - var ctor = object && object.constructor, - proto = ctor && ctor.prototype; - - accumulator = baseCreate(proto); - } - } - if (callback) { - callback = lodash.createCallback(callback, thisArg, 4); - (isArr ? baseEach : forOwn)(object, function(value, index, object) { - return callback(accumulator, value, index, object); - }); - } - return accumulator; - } - - /** - * Creates an array composed of the own enumerable property values of `object`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property values. - * @example - * - * _.values({ 'one': 1, 'two': 2, 'three': 3 }); - * // => [1, 2, 3] (property order is not guaranteed across environments) - */ - function values(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - result[index] = object[props[index]]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array of elements from the specified indexes, or keys, of the - * `collection`. Indexes may be specified as individual arguments or as arrays - * of indexes. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {...(number|number[]|string|string[])} [index] The indexes of `collection` - * to retrieve, specified as individual indexes or arrays of indexes. - * @returns {Array} Returns a new array of elements corresponding to the - * provided indexes. - * @example - * - * _.at(['a', 'b', 'c', 'd', 'e'], [0, 2, 4]); - * // => ['a', 'c', 'e'] - * - * _.at(['fred', 'barney', 'pebbles'], 0, 2); - * // => ['fred', 'pebbles'] - */ - function at(collection) { - var args = arguments, - index = -1, - props = baseFlatten(args, true, false, 1), - length = (args[2] && args[2][args[1]] === collection) ? 1 : props.length, - result = Array(length); - - if (support.unindexedChars && isString(collection)) { - collection = collection.split(''); - } - while(++index < length) { - result[index] = collection[props[index]]; - } - return result; - } - - /** - * Checks if a given value is present in a collection using strict equality - * for comparisons, i.e. `===`. If `fromIndex` is negative, it is used as the - * offset from the end of the collection. - * - * @static - * @memberOf _ - * @alias include - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {*} target The value to check for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {boolean} Returns `true` if the `target` element is found, else `false`. - * @example - * - * _.contains([1, 2, 3], 1); - * // => true - * - * _.contains([1, 2, 3], 1, 2); - * // => false - * - * _.contains({ 'name': 'fred', 'age': 40 }, 'fred'); - * // => true - * - * _.contains('pebbles', 'eb'); - * // => true - */ - function contains(collection, target, fromIndex) { - var index = -1, - indexOf = getIndexOf(), - length = collection ? collection.length : 0, - result = false; - - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) || 0; - if (isArray(collection)) { - result = indexOf(collection, target, fromIndex) > -1; - } else if (typeof length == 'number') { - result = (isString(collection) ? collection.indexOf(target, fromIndex) : indexOf(collection, target, fromIndex)) > -1; - } else { - baseEach(collection, function(value) { - if (++index >= fromIndex) { - return !(result = value === target); - } - }); - } - return result; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` through the callback. The corresponding value - * of each key is the number of times the key was returned by the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': 1, '6': 2 } - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': 1, '6': 2 } - * - * _.countBy(['one', 'two', 'three'], 'length'); - * // => { '3': 2, '5': 1 } - */ - var countBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key]++ : result[key] = 1); - }); - - /** - * Checks if the given callback returns truey value for **all** elements of - * a collection. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias all - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if all elements passed the callback check, - * else `false`. - * @example - * - * _.every([true, 1, null, 'yes']); - * // => false - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.every(characters, 'age'); - * // => true - * - * // using "_.where" callback shorthand - * _.every(characters, { 'age': 36 }); - * // => false - */ - function every(collection, callback, thisArg) { - var result = true; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if (!(result = !!callback(collection[index], index, collection))) { - break; - } - } - } else { - baseEach(collection, function(value, index, collection) { - return (result = !!callback(value, index, collection)); - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning an array of all elements - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias select - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that passed the callback check. - * @example - * - * var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [2, 4, 6] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.filter(characters, 'blocked'); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - * - * // using "_.where" callback shorthand - * _.filter(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - */ - function filter(collection, callback, thisArg) { - var result = []; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - result.push(value); - } - } - } else { - baseEach(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result.push(value); - } - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning the first element that - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias detect, findWhere - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.find(characters, function(chr) { - * return chr.age < 40; - * }); - * // => { 'name': 'barney', 'age': 36, 'blocked': false } - * - * // using "_.where" callback shorthand - * _.find(characters, { 'age': 1 }); - * // => { 'name': 'pebbles', 'age': 1, 'blocked': false } - * - * // using "_.pluck" callback shorthand - * _.find(characters, 'blocked'); - * // => { 'name': 'fred', 'age': 40, 'blocked': true } - */ - function find(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - return value; - } - } - } else { - var result; - baseEach(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - } - - /** - * This method is like `_.find` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * _.findLast([1, 2, 3, 4], function(num) { - * return num % 2 == 1; - * }); - * // => 3 - */ - function findLast(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forEachRight(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - - /** - * Iterates over elements of a collection, executing the callback for each - * element. The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * Note: As with other "Collections" methods, objects with a `length` property - * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn` - * may be used for object iteration. - * - * @static - * @memberOf _ - * @alias each - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEach(function(num) { console.log(num); }).join(','); - * // => logs each number and returns '1,2,3' - * - * _.forEach({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { console.log(num); }); - * // => logs each number and returns the object (property order is not guaranteed across environments) - */ - function forEach(collection, callback, thisArg) { - if (callback && typeof thisArg == 'undefined' && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if (callback(collection[index], index, collection) === false) { - break; - } - } - } else { - baseEach(collection, callback, thisArg); - } - return collection; - } - - /** - * This method is like `_.forEach` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias eachRight - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEachRight(function(num) { console.log(num); }).join(','); - * // => logs each number from right to left and returns '3,2,1' - */ - function forEachRight(collection, callback, thisArg) { - var iterable = collection, - length = collection ? collection.length : 0; - - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - if (isArray(collection)) { - while (length--) { - if (callback(collection[length], length, collection) === false) { - break; - } - } - } else { - if (typeof length != 'number') { - var props = keys(collection); - length = props.length; - } else if (support.unindexedChars && isString(collection)) { - iterable = collection.split(''); - } - baseEach(collection, function(value, key, collection) { - key = props ? props[--length] : --length; - return callback(iterable[key], key, collection); - }); - } - return collection; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of a collection through the callback. The corresponding value - * of each key is an array of the elements responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false` - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * // using "_.pluck" callback shorthand - * _.groupBy(['one', 'two', 'three'], 'length'); - * // => { '3': ['one', 'two'], '5': ['three'] } - */ - var groupBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key] : result[key] = []).push(value); - }); - - /** - * Creates an object composed of keys generated from the results of running - * each element of the collection through the given callback. The corresponding - * value of each key is the last element responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * var keys = [ - * { 'dir': 'left', 'code': 97 }, - * { 'dir': 'right', 'code': 100 } - * ]; - * - * _.indexBy(keys, 'dir'); - * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(keys, function(key) { return String.fromCharCode(key.code); }); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(characters, function(key) { this.fromCharCode(key.code); }, String); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - */ - var indexBy = createAggregator(function(result, value, key) { - result[key] = value; - }); - - /** - * Invokes the method named by `methodName` on each element in the `collection` - * returning an array of the results of each invoked method. Additional arguments - * will be provided to each invoked method. If `methodName` is a function it - * will be invoked for, and `this` bound to, each element in the `collection`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|string} methodName The name of the method to invoke or - * the function invoked per iteration. - * @param {...*} [arg] Arguments to invoke the method with. - * @returns {Array} Returns a new array of the results of each invoked method. - * @example - * - * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort'); - * // => [[1, 5, 7], [1, 2, 3]] - * - * _.invoke([123, 456], String.prototype.split, ''); - * // => [['1', '2', '3'], ['4', '5', '6']] - */ - function invoke(collection, methodName) { - var args = slice(arguments, 2), - index = -1, - isFunc = typeof methodName == 'function', - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args); - }); - return result; - } - - /** - * Creates an array of values by running each element in the collection - * through the callback. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias collect - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of the results of each `callback` execution. - * @example - * - * _.map([1, 2, 3], function(num) { return num * 3; }); - * // => [3, 6, 9] - * - * _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; }); - * // => [3, 6, 9] (property order is not guaranteed across environments) - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(characters, 'name'); - * // => ['barney', 'fred'] - */ - function map(collection, callback, thisArg) { - var index = -1, - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - callback = lodash.createCallback(callback, thisArg, 3); - if (isArray(collection)) { - while (++index < length) { - result[index] = callback(collection[index], index, collection); - } - } else { - baseEach(collection, function(value, key, collection) { - result[++index] = callback(value, key, collection); - }); - } - return result; - } - - /** - * Retrieves the maximum value of a collection. If the collection is empty or - * falsey `-Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the maximum value. - * @example - * - * _.max([4, 2, 8, 6]); - * // => 8 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.max(characters, function(chr) { return chr.age; }); - * // => { 'name': 'fred', 'age': 40 }; - * - * // using "_.pluck" callback shorthand - * _.max(characters, 'age'); - * // => { 'name': 'fred', 'age': 40 }; - */ - function max(collection, callback, thisArg) { - var computed = -Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value > result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - baseEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current > computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the minimum value of a collection. If the collection is empty or - * falsey `Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the minimum value. - * @example - * - * _.min([4, 2, 8, 6]); - * // => 2 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.min(characters, function(chr) { return chr.age; }); - * // => { 'name': 'barney', 'age': 36 }; - * - * // using "_.pluck" callback shorthand - * _.min(characters, 'age'); - * // => { 'name': 'barney', 'age': 36 }; - */ - function min(collection, callback, thisArg) { - var computed = Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value < result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - baseEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current < computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the value of a specified property from all elements in the collection. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {string} property The name of the property to pluck. - * @returns {Array} Returns a new array of property values. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.pluck(characters, 'name'); - * // => ['barney', 'fred'] - */ - var pluck = map; - - /** - * Reduces a collection to a value which is the accumulated result of running - * each element in the collection through the callback, where each successive - * callback execution consumes the return value of the previous execution. If - * `accumulator` is not provided the first element of the collection will be - * used as the initial `accumulator` value. The callback is bound to `thisArg` - * and invoked with four arguments; (accumulator, value, index|key, collection). - * - * @static - * @memberOf _ - * @alias foldl, inject - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var sum = _.reduce([1, 2, 3], function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * var mapped = _.reduce({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * return result; - * }, {}); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function reduce(collection, callback, accumulator, thisArg) { - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - if (noaccum) { - accumulator = collection[++index]; - } - while (++index < length) { - accumulator = callback(accumulator, collection[index], index, collection); - } - } else { - baseEach(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection) - }); - } - return accumulator; - } - - /** - * This method is like `_.reduce` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias foldr - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var list = [[0, 1], [2, 3], [4, 5]]; - * var flat = _.reduceRight(list, function(a, b) { return a.concat(b); }, []); - * // => [4, 5, 2, 3, 0, 1] - */ - function reduceRight(collection, callback, accumulator, thisArg) { - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - forEachRight(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection); - }); - return accumulator; - } - - /** - * The opposite of `_.filter` this method returns the elements of a - * collection that the callback does **not** return truey for. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that failed the callback check. - * @example - * - * var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [1, 3, 5] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.reject(characters, 'blocked'); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - * - * // using "_.where" callback shorthand - * _.reject(characters, { 'age': 36 }); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - */ - function reject(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - return filter(collection, function(value, index, collection) { - return !callback(value, index, collection); - }); - } - - /** - * Retrieves a random element or `n` random elements from a collection. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to sample. - * @param {number} [n] The number of elements to sample. - * @param- {Object} [guard] Allows working with functions like `_.map` - * without using their `index` arguments as `n`. - * @returns {Array} Returns the random sample(s) of `collection`. - * @example - * - * _.sample([1, 2, 3, 4]); - * // => 2 - * - * _.sample([1, 2, 3, 4], 2); - * // => [3, 1] - */ - function sample(collection, n, guard) { - if (collection && typeof collection.length != 'number') { - collection = values(collection); - } else if (support.unindexedChars && isString(collection)) { - collection = collection.split(''); - } - if (n == null || guard) { - return collection ? collection[baseRandom(0, collection.length - 1)] : undefined; - } - var result = shuffle(collection); - result.length = nativeMin(nativeMax(0, n), result.length); - return result; - } - - /** - * Creates an array of shuffled values, using a version of the Fisher-Yates - * shuffle. See http://en.wikipedia.org/wiki/Fisher-Yates_shuffle. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to shuffle. - * @returns {Array} Returns a new shuffled collection. - * @example - * - * _.shuffle([1, 2, 3, 4, 5, 6]); - * // => [4, 1, 6, 3, 5, 2] - */ - function shuffle(collection) { - var index = -1, - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - var rand = baseRandom(0, ++index); - result[index] = result[rand]; - result[rand] = value; - }); - return result; - } - - /** - * Gets the size of the `collection` by returning `collection.length` for arrays - * and array-like objects or the number of own enumerable properties for objects. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to inspect. - * @returns {number} Returns `collection.length` or number of own enumerable properties. - * @example - * - * _.size([1, 2]); - * // => 2 - * - * _.size({ 'one': 1, 'two': 2, 'three': 3 }); - * // => 3 - * - * _.size('pebbles'); - * // => 7 - */ - function size(collection) { - var length = collection ? collection.length : 0; - return typeof length == 'number' ? length : keys(collection).length; - } - - /** - * Checks if the callback returns a truey value for **any** element of a - * collection. The function returns as soon as it finds a passing value and - * does not iterate over the entire collection. The callback is bound to - * `thisArg` and invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias any - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if any element passed the callback check, - * else `false`. - * @example - * - * _.some([null, 0, 'yes', false], Boolean); - * // => true - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.some(characters, 'blocked'); - * // => true - * - * // using "_.where" callback shorthand - * _.some(characters, { 'age': 1 }); - * // => false - */ - function some(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if ((result = callback(collection[index], index, collection))) { - break; - } - } - } else { - baseEach(collection, function(value, index, collection) { - return !(result = callback(value, index, collection)); - }); - } - return !!result; - } - - /** - * Creates an array of elements, sorted in ascending order by the results of - * running each element in a collection through the callback. This method - * performs a stable sort, that is, it will preserve the original sort order - * of equal elements. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an array of property names is provided for `callback` the collection - * will be sorted by each property value. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Array|Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of sorted elements. - * @example - * - * _.sortBy([1, 2, 3], function(num) { return Math.sin(num); }); - * // => [3, 1, 2] - * - * _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math); - * // => [3, 1, 2] - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 26 }, - * { 'name': 'fred', 'age': 30 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(_.sortBy(characters, 'age'), _.values); - * // => [['barney', 26], ['fred', 30], ['barney', 36], ['fred', 40]] - * - * // sorting by multiple properties - * _.map(_.sortBy(characters, ['name', 'age']), _.values); - * // = > [['barney', 26], ['barney', 36], ['fred', 30], ['fred', 40]] - */ - function sortBy(collection, callback, thisArg) { - var index = -1, - isArr = isArray(callback), - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - if (!isArr) { - callback = lodash.createCallback(callback, thisArg, 3); - } - forEach(collection, function(value, key, collection) { - var object = result[++index] = getObject(); - if (isArr) { - object.criteria = map(callback, function(key) { return value[key]; }); - } else { - (object.criteria = getArray())[0] = callback(value, key, collection); - } - object.index = index; - object.value = value; - }); - - length = result.length; - result.sort(compareAscending); - while (length--) { - var object = result[length]; - result[length] = object.value; - if (!isArr) { - releaseArray(object.criteria); - } - releaseObject(object); - } - return result; - } - - /** - * Converts the `collection` to an array. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to convert. - * @returns {Array} Returns the new converted array. - * @example - * - * (function() { return _.toArray(arguments).slice(1); })(1, 2, 3, 4); - * // => [2, 3, 4] - */ - function toArray(collection) { - if (collection && typeof collection.length == 'number') { - return (support.unindexedChars && isString(collection)) - ? collection.split('') - : slice(collection); - } - return values(collection); - } - - /** - * Performs a deep comparison of each element in a `collection` to the given - * `properties` object, returning an array of all elements that have equivalent - * property values. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Object} props The object of property values to filter by. - * @returns {Array} Returns a new array of elements that have the given properties. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * _.where(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }] - * - * _.where(characters, { 'pets': ['dino'] }); - * // => [{ 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] }] - */ - var where = filter; - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array with all falsey values removed. The values `false`, `null`, - * `0`, `""`, `undefined`, and `NaN` are all falsey. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to compact. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.compact([0, 1, false, 2, '', 3]); - * // => [1, 2, 3] - */ - function compact(array) { - var index = -1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - if (value) { - result.push(value); - } - } - return result; - } - - /** - * Creates an array excluding all values of the provided arrays using strict - * equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to process. - * @param {...Array} [values] The arrays of values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.difference([1, 2, 3, 4, 5], [5, 2, 10]); - * // => [1, 3, 4] - */ - function difference(array) { - return baseDifference(array, baseFlatten(arguments, true, true, 1)); - } - - /** - * This method is like `_.find` except that it returns the index of the first - * element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.findIndex(characters, function(chr) { - * return chr.age < 20; - * }); - * // => 2 - * - * // using "_.where" callback shorthand - * _.findIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findIndex(characters, 'blocked'); - * // => 1 - */ - function findIndex(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - if (callback(array[index], index, array)) { - return index; - } - } - return -1; - } - - /** - * This method is like `_.findIndex` except that it iterates over elements - * of a `collection` from right to left. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': true }, - * { 'name': 'fred', 'age': 40, 'blocked': false }, - * { 'name': 'pebbles', 'age': 1, 'blocked': true } - * ]; - * - * _.findLastIndex(characters, function(chr) { - * return chr.age > 30; - * }); - * // => 1 - * - * // using "_.where" callback shorthand - * _.findLastIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findLastIndex(characters, 'blocked'); - * // => 2 - */ - function findLastIndex(array, callback, thisArg) { - var length = array ? array.length : 0; - callback = lodash.createCallback(callback, thisArg, 3); - while (length--) { - if (callback(array[length], length, array)) { - return length; - } - } - return -1; - } - - /** - * Gets the first element or first `n` elements of an array. If a callback - * is provided elements at the beginning of the array are returned as long - * as the callback returns truey. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias head, take - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the first element(s) of `array`. - * @example - * - * _.first([1, 2, 3]); - * // => 1 - * - * _.first([1, 2, 3], 2); - * // => [1, 2] - * - * _.first([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [1, 2] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.first(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': true, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.first(characters, { 'employer': 'slate' }), 'name'); - * // => ['barney', 'fred'] - */ - function first(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = -1; - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[0] : undefined; - } - } - return slice(array, 0, nativeMin(nativeMax(0, n), length)); - } - - /** - * Flattens a nested array (the nesting can be to any depth). If `isShallow` - * is truey, the array will only be flattened a single level. If a callback - * is provided each element of the array is passed through the callback before - * flattening. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new flattened array. - * @example - * - * _.flatten([1, [2], [3, [[4]]]]); - * // => [1, 2, 3, 4]; - * - * _.flatten([1, [2], [3, [[4]]]], true); - * // => [1, 2, 3, [[4]]]; - * - * var characters = [ - * { 'name': 'barney', 'age': 30, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * // using "_.pluck" callback shorthand - * _.flatten(characters, 'pets'); - * // => ['hoppy', 'baby puss', 'dino'] - */ - function flatten(array, isShallow, callback, thisArg) { - // juggle arguments - if (typeof isShallow != 'boolean' && isShallow != null) { - thisArg = callback; - callback = (typeof isShallow != 'function' && thisArg && thisArg[isShallow] === array) ? null : isShallow; - isShallow = false; - } - if (callback != null) { - array = map(array, callback, thisArg); - } - return baseFlatten(array, isShallow); - } - - /** - * Gets the index at which the first occurrence of `value` is found using - * strict equality for comparisons, i.e. `===`. If the array is already sorted - * providing `true` for `fromIndex` will run a faster binary search. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {boolean|number} [fromIndex=0] The index to search from or `true` - * to perform a binary search on a sorted array. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2); - * // => 1 - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 4 - * - * _.indexOf([1, 1, 2, 2, 3, 3], 2, true); - * // => 2 - */ - function indexOf(array, value, fromIndex) { - if (typeof fromIndex == 'number') { - var length = array ? array.length : 0; - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex || 0); - } else if (fromIndex) { - var index = sortedIndex(array, value); - return array[index] === value ? index : -1; - } - return baseIndexOf(array, value, fromIndex); - } - - /** - * Gets all but the last element or last `n` elements of an array. If a - * callback is provided elements at the end of the array are excluded from - * the result as long as the callback returns truey. The callback is bound - * to `thisArg` and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.initial([1, 2, 3]); - * // => [1, 2] - * - * _.initial([1, 2, 3], 2); - * // => [1] - * - * _.initial([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [1] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.initial(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': false, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.initial(characters, { 'employer': 'na' }), 'name'); - * // => ['barney', 'fred'] - */ - function initial(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : callback || n; - } - return slice(array, 0, nativeMin(nativeMax(0, length - n), length)); - } - - /** - * Creates an array of unique values present in all provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of shared values. - * @example - * - * _.intersection([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2] - */ - function intersection() { - var args = [], - argsIndex = -1, - argsLength = arguments.length, - caches = getArray(), - indexOf = getIndexOf(), - trustIndexOf = indexOf === baseIndexOf, - seen = getArray(); - - while (++argsIndex < argsLength) { - var value = arguments[argsIndex]; - if (isArray(value) || isArguments(value)) { - args.push(value); - caches.push(trustIndexOf && value.length >= largeArraySize && - createCache(argsIndex ? args[argsIndex] : seen)); - } - } - var array = args[0], - index = -1, - length = array ? array.length : 0, - result = []; - - outer: - while (++index < length) { - var cache = caches[0]; - value = array[index]; - - if ((cache ? cacheIndexOf(cache, value) : indexOf(seen, value)) < 0) { - argsIndex = argsLength; - (cache || seen).push(value); - while (--argsIndex) { - cache = caches[argsIndex]; - if ((cache ? cacheIndexOf(cache, value) : indexOf(args[argsIndex], value)) < 0) { - continue outer; - } - } - result.push(value); - } - } - while (argsLength--) { - cache = caches[argsLength]; - if (cache) { - releaseObject(cache); - } - } - releaseArray(caches); - releaseArray(seen); - return result; - } - - /** - * Gets the last element or last `n` elements of an array. If a callback is - * provided elements at the end of the array are returned as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the last element(s) of `array`. - * @example - * - * _.last([1, 2, 3]); - * // => 3 - * - * _.last([1, 2, 3], 2); - * // => [2, 3] - * - * _.last([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [2, 3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.last(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.last(characters, { 'employer': 'na' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function last(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[length - 1] : undefined; - } - } - return slice(array, nativeMax(0, length - n)); - } - - /** - * Gets the index at which the last occurrence of `value` is found using strict - * equality for comparisons, i.e. `===`. If `fromIndex` is negative, it is used - * as the offset from the end of the collection. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=array.length-1] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2); - * // => 4 - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 1 - */ - function lastIndexOf(array, value, fromIndex) { - var index = array ? array.length : 0; - if (typeof fromIndex == 'number') { - index = (fromIndex < 0 ? nativeMax(0, index + fromIndex) : nativeMin(fromIndex, index - 1)) + 1; - } - while (index--) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * Removes all provided values from the given array using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {...*} [value] The values to remove. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3, 1, 2, 3]; - * _.pull(array, 2, 3); - * console.log(array); - * // => [1, 1] - */ - function pull(array) { - var args = arguments, - argsIndex = 0, - argsLength = args.length, - length = array ? array.length : 0; - - while (++argsIndex < argsLength) { - var index = -1, - value = args[argsIndex]; - while (++index < length) { - if (array[index] === value) { - splice.call(array, index--, 1); - length--; - } - } - } - return array; - } - - /** - * Creates an array of numbers (positive and/or negative) progressing from - * `start` up to but not including `end`. If `start` is less than `stop` a - * zero-length range is created unless a negative `step` is specified. - * - * @static - * @memberOf _ - * @category Arrays - * @param {number} [start=0] The start of the range. - * @param {number} end The end of the range. - * @param {number} [step=1] The value to increment or decrement by. - * @returns {Array} Returns a new range array. - * @example - * - * _.range(4); - * // => [0, 1, 2, 3] - * - * _.range(1, 5); - * // => [1, 2, 3, 4] - * - * _.range(0, 20, 5); - * // => [0, 5, 10, 15] - * - * _.range(0, -4, -1); - * // => [0, -1, -2, -3] - * - * _.range(1, 4, 0); - * // => [1, 1, 1] - * - * _.range(0); - * // => [] - */ - function range(start, end, step) { - start = +start || 0; - step = typeof step == 'number' ? step : (+step || 1); - - if (end == null) { - end = start; - start = 0; - } - // use `Array(length)` so engines like Chakra and V8 avoid slower modes - // http://youtu.be/XAqIpGU8ZZk#t=17m25s - var index = -1, - length = nativeMax(0, ceil((end - start) / (step || 1))), - result = Array(length); - - while (++index < length) { - result[index] = start; - start += step; - } - return result; - } - - /** - * Removes all elements from an array that the callback returns truey for - * and returns an array of removed elements. The callback is bound to `thisArg` - * and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of removed elements. - * @example - * - * var array = [1, 2, 3, 4, 5, 6]; - * var evens = _.remove(array, function(num) { return num % 2 == 0; }); - * - * console.log(array); - * // => [1, 3, 5] - * - * console.log(evens); - * // => [2, 4, 6] - */ - function remove(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0, - result = []; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - var value = array[index]; - if (callback(value, index, array)) { - result.push(value); - splice.call(array, index--, 1); - length--; - } - } - return result; - } - - /** - * The opposite of `_.initial` this method gets all but the first element or - * first `n` elements of an array. If a callback function is provided elements - * at the beginning of the array are excluded from the result as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias drop, tail - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.rest([1, 2, 3]); - * // => [2, 3] - * - * _.rest([1, 2, 3], 2); - * // => [3] - * - * _.rest([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.rest(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.rest(characters, { 'employer': 'slate' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function rest(array, callback, thisArg) { - if (typeof callback != 'number' && callback != null) { - var n = 0, - index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : nativeMax(0, callback); - } - return slice(array, n); - } - - /** - * Uses a binary search to determine the smallest index at which a value - * should be inserted into a given sorted array in order to maintain the sort - * order of the array. If a callback is provided it will be executed for - * `value` and each element of `array` to compute their sort ranking. The - * callback is bound to `thisArg` and invoked with one argument; (value). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to inspect. - * @param {*} value The value to evaluate. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * _.sortedIndex([20, 30, 50], 40); - * // => 2 - * - * // using "_.pluck" callback shorthand - * _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x'); - * // => 2 - * - * var dict = { - * 'wordToNumber': { 'twenty': 20, 'thirty': 30, 'fourty': 40, 'fifty': 50 } - * }; - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return dict.wordToNumber[word]; - * }); - * // => 2 - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return this.wordToNumber[word]; - * }, dict); - * // => 2 - */ - function sortedIndex(array, value, callback, thisArg) { - var low = 0, - high = array ? array.length : low; - - // explicitly reference `identity` for better inlining in Firefox - callback = callback ? lodash.createCallback(callback, thisArg, 1) : identity; - value = callback(value); - - while (low < high) { - var mid = (low + high) >>> 1; - (callback(array[mid]) < value) - ? low = mid + 1 - : high = mid; - } - return low; - } - - /** - * Creates an array of unique values, in order, of the provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of combined values. - * @example - * - * _.union([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2, 3, 5, 4] - */ - function union() { - return baseUniq(baseFlatten(arguments, true, true)); - } - - /** - * Creates a duplicate-value-free version of an array using strict equality - * for comparisons, i.e. `===`. If the array is sorted, providing - * `true` for `isSorted` will use a faster algorithm. If a callback is provided - * each element of `array` is passed through the callback before uniqueness - * is computed. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias unique - * @category Arrays - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a duplicate-value-free array. - * @example - * - * _.uniq([1, 2, 1, 3, 1]); - * // => [1, 2, 3] - * - * _.uniq([1, 1, 2, 2, 3], true); - * // => [1, 2, 3] - * - * _.uniq(['A', 'b', 'C', 'a', 'B', 'c'], function(letter) { return letter.toLowerCase(); }); - * // => ['A', 'b', 'C'] - * - * _.uniq([1, 2.5, 3, 1.5, 2, 3.5], function(num) { return this.floor(num); }, Math); - * // => [1, 2.5, 3] - * - * // using "_.pluck" callback shorthand - * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }, { 'x': 2 }] - */ - function uniq(array, isSorted, callback, thisArg) { - // juggle arguments - if (typeof isSorted != 'boolean' && isSorted != null) { - thisArg = callback; - callback = (typeof isSorted != 'function' && thisArg && thisArg[isSorted] === array) ? null : isSorted; - isSorted = false; - } - if (callback != null) { - callback = lodash.createCallback(callback, thisArg, 3); - } - return baseUniq(array, isSorted, callback); - } - - /** - * Creates an array excluding all provided values using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to filter. - * @param {...*} [value] The values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.without([1, 2, 1, 0, 3, 1, 4], 0, 1); - * // => [2, 3, 4] - */ - function without(array) { - return baseDifference(array, slice(arguments, 1)); - } - - /** - * Creates an array that is the symmetric difference of the provided arrays. - * See http://en.wikipedia.org/wiki/Symmetric_difference. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of values. - * @example - * - * _.xor([1, 2, 3], [5, 2, 1, 4]); - * // => [3, 5, 4] - * - * _.xor([1, 2, 5], [2, 3, 5], [3, 4, 5]); - * // => [1, 4, 5] - */ - function xor() { - var index = -1, - length = arguments.length; - - while (++index < length) { - var array = arguments[index]; - if (isArray(array) || isArguments(array)) { - var result = result - ? baseUniq(baseDifference(result, array).concat(baseDifference(array, result))) - : array; - } - } - return result || []; - } - - /** - * Creates an array of grouped elements, the first of which contains the first - * elements of the given arrays, the second of which contains the second - * elements of the given arrays, and so on. - * - * @static - * @memberOf _ - * @alias unzip - * @category Arrays - * @param {...Array} [array] Arrays to process. - * @returns {Array} Returns a new array of grouped elements. - * @example - * - * _.zip(['fred', 'barney'], [30, 40], [true, false]); - * // => [['fred', 30, true], ['barney', 40, false]] - */ - function zip() { - var array = arguments.length > 1 ? arguments : arguments[0], - index = -1, - length = array ? max(pluck(array, 'length')) : 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = pluck(array, index); - } - return result; - } - - /** - * Creates an object composed from arrays of `keys` and `values`. Provide - * either a single two dimensional array, i.e. `[[key1, value1], [key2, value2]]` - * or two arrays, one of `keys` and one of corresponding `values`. - * - * @static - * @memberOf _ - * @alias object - * @category Arrays - * @param {Array} keys The array of keys. - * @param {Array} [values=[]] The array of values. - * @returns {Object} Returns an object composed of the given keys and - * corresponding values. - * @example - * - * _.zipObject(['fred', 'barney'], [30, 40]); - * // => { 'fred': 30, 'barney': 40 } - */ - function zipObject(keys, values) { - var index = -1, - length = keys ? keys.length : 0, - result = {}; - - if (!values && length && !isArray(keys[0])) { - values = []; - } - while (++index < length) { - var key = keys[index]; - if (values) { - result[key] = values[index]; - } else if (key) { - result[key[0]] = key[1]; - } - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that executes `func`, with the `this` binding and - * arguments of the created function, only after being called `n` times. - * - * @static - * @memberOf _ - * @category Functions - * @param {number} n The number of times the function must be called before - * `func` is executed. - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var saves = ['profile', 'settings']; - * - * var done = _.after(saves.length, function() { - * console.log('Done saving!'); - * }); - * - * _.forEach(saves, function(type) { - * asyncSave({ 'type': type, 'complete': done }); - * }); - * // => logs 'Done saving!', after all saves have completed - */ - function after(n, func) { - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (--n < 1) { - return func.apply(this, arguments); - } - }; - } - - /** - * Creates a function that, when called, invokes `func` with the `this` - * binding of `thisArg` and prepends any additional `bind` arguments to those - * provided to the bound function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to bind. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var func = function(greeting) { - * return greeting + ' ' + this.name; - * }; - * - * func = _.bind(func, { 'name': 'fred' }, 'hi'); - * func(); - * // => 'hi fred' - */ - function bind(func, thisArg) { - return arguments.length > 2 - ? createWrapper(func, 17, slice(arguments, 2), null, thisArg) - : createWrapper(func, 1, null, null, thisArg); - } - - /** - * Binds methods of an object to the object itself, overwriting the existing - * method. Method names may be specified as individual arguments or as arrays - * of method names. If no method names are provided all the function properties - * of `object` will be bound. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object to bind and assign the bound methods to. - * @param {...string} [methodName] The object method names to - * bind, specified as individual method names or arrays of method names. - * @returns {Object} Returns `object`. - * @example - * - * var view = { - * 'label': 'docs', - * 'onClick': function() { console.log('clicked ' + this.label); } - * }; - * - * _.bindAll(view); - * jQuery('#docs').on('click', view.onClick); - * // => logs 'clicked docs', when the button is clicked - */ - function bindAll(object) { - var funcs = arguments.length > 1 ? baseFlatten(arguments, true, false, 1) : functions(object), - index = -1, - length = funcs.length; - - while (++index < length) { - var key = funcs[index]; - object[key] = createWrapper(object[key], 1, null, null, object); - } - return object; - } - - /** - * Creates a function that, when called, invokes the method at `object[key]` - * and prepends any additional `bindKey` arguments to those provided to the bound - * function. This method differs from `_.bind` by allowing bound functions to - * reference methods that will be redefined or don't yet exist. - * See http://michaux.ca/articles/lazy-function-definition-pattern. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object the method belongs to. - * @param {string} key The key of the method. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var object = { - * 'name': 'fred', - * 'greet': function(greeting) { - * return greeting + ' ' + this.name; - * } - * }; - * - * var func = _.bindKey(object, 'greet', 'hi'); - * func(); - * // => 'hi fred' - * - * object.greet = function(greeting) { - * return greeting + 'ya ' + this.name + '!'; - * }; - * - * func(); - * // => 'hiya fred!' - */ - function bindKey(object, key) { - return arguments.length > 2 - ? createWrapper(key, 19, slice(arguments, 2), null, object) - : createWrapper(key, 3, null, null, object); - } - - /** - * Creates a function that is the composition of the provided functions, - * where each function consumes the return value of the function that follows. - * For example, composing the functions `f()`, `g()`, and `h()` produces `f(g(h()))`. - * Each function is executed with the `this` binding of the composed function. - * - * @static - * @memberOf _ - * @category Functions - * @param {...Function} [func] Functions to compose. - * @returns {Function} Returns the new composed function. - * @example - * - * var realNameMap = { - * 'pebbles': 'penelope' - * }; - * - * var format = function(name) { - * name = realNameMap[name.toLowerCase()] || name; - * return name.charAt(0).toUpperCase() + name.slice(1).toLowerCase(); - * }; - * - * var greet = function(formatted) { - * return 'Hiya ' + formatted + '!'; - * }; - * - * var welcome = _.compose(greet, format); - * welcome('pebbles'); - * // => 'Hiya Penelope!' - */ - function compose() { - var funcs = arguments, - length = funcs.length; - - while (length--) { - if (!isFunction(funcs[length])) { - throw new TypeError; - } - } - return function() { - var args = arguments, - length = funcs.length; - - while (length--) { - args = [funcs[length].apply(this, args)]; - } - return args[0]; - }; - } - - /** - * Creates a function which accepts one or more arguments of `func` that when - * invoked either executes `func` returning its result, if all `func` arguments - * have been provided, or returns a function that accepts one or more of the - * remaining `func` arguments, and so on. The arity of `func` can be specified - * if `func.length` is not sufficient. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to curry. - * @param {number} [arity=func.length] The arity of `func`. - * @returns {Function} Returns the new curried function. - * @example - * - * var curried = _.curry(function(a, b, c) { - * console.log(a + b + c); - * }); - * - * curried(1)(2)(3); - * // => 6 - * - * curried(1, 2)(3); - * // => 6 - * - * curried(1, 2, 3); - * // => 6 - */ - function curry(func, arity) { - arity = typeof arity == 'number' ? arity : (+arity || func.length); - return createWrapper(func, 4, null, null, null, arity); - } - - /** - * Creates a function that will delay the execution of `func` until after - * `wait` milliseconds have elapsed since the last time it was invoked. - * Provide an options object to indicate that `func` should be invoked on - * the leading and/or trailing edge of the `wait` timeout. Subsequent calls - * to the debounced function will return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the debounced function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to debounce. - * @param {number} wait The number of milliseconds to delay. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=false] Specify execution on the leading edge of the timeout. - * @param {number} [options.maxWait] The maximum time `func` is allowed to be delayed before it's called. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new debounced function. - * @example - * - * // avoid costly calculations while the window size is in flux - * var lazyLayout = _.debounce(calculateLayout, 150); - * jQuery(window).on('resize', lazyLayout); - * - * // execute `sendMail` when the click event is fired, debouncing subsequent calls - * jQuery('#postbox').on('click', _.debounce(sendMail, 300, { - * 'leading': true, - * 'trailing': false - * }); - * - * // ensure `batchLog` is executed once after 1 second of debounced calls - * var source = new EventSource('/stream'); - * source.addEventListener('message', _.debounce(batchLog, 250, { - * 'maxWait': 1000 - * }, false); - */ - function debounce(func, wait, options) { - var args, - maxTimeoutId, - result, - stamp, - thisArg, - timeoutId, - trailingCall, - lastCalled = 0, - maxWait = false, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - wait = nativeMax(0, wait) || 0; - if (options === true) { - var leading = true; - trailing = false; - } else if (isObject(options)) { - leading = options.leading; - maxWait = 'maxWait' in options && (nativeMax(wait, options.maxWait) || 0); - trailing = 'trailing' in options ? options.trailing : trailing; - } - var delayed = function() { - var remaining = wait - (now() - stamp); - if (remaining <= 0) { - if (maxTimeoutId) { - clearTimeout(maxTimeoutId); - } - var isCalled = trailingCall; - maxTimeoutId = timeoutId = trailingCall = undefined; - if (isCalled) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - } else { - timeoutId = setTimeout(delayed, remaining); - } - }; - - var maxDelayed = function() { - if (timeoutId) { - clearTimeout(timeoutId); - } - maxTimeoutId = timeoutId = trailingCall = undefined; - if (trailing || (maxWait !== wait)) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - }; - - return function() { - args = arguments; - stamp = now(); - thisArg = this; - trailingCall = trailing && (timeoutId || !leading); - - if (maxWait === false) { - var leadingCall = leading && !timeoutId; - } else { - if (!maxTimeoutId && !leading) { - lastCalled = stamp; - } - var remaining = maxWait - (stamp - lastCalled), - isCalled = remaining <= 0; - - if (isCalled) { - if (maxTimeoutId) { - maxTimeoutId = clearTimeout(maxTimeoutId); - } - lastCalled = stamp; - result = func.apply(thisArg, args); - } - else if (!maxTimeoutId) { - maxTimeoutId = setTimeout(maxDelayed, remaining); - } - } - if (isCalled && timeoutId) { - timeoutId = clearTimeout(timeoutId); - } - else if (!timeoutId && wait !== maxWait) { - timeoutId = setTimeout(delayed, wait); - } - if (leadingCall) { - isCalled = true; - result = func.apply(thisArg, args); - } - if (isCalled && !timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - return result; - }; - } - - /** - * Defers executing the `func` function until the current call stack has cleared. - * Additional arguments will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to defer. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.defer(function(text) { console.log(text); }, 'deferred'); - * // logs 'deferred' after one or more milliseconds - */ - function defer(func) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 1); - return setTimeout(function() { func.apply(undefined, args); }, 1); - } - - /** - * Executes the `func` function after `wait` milliseconds. Additional arguments - * will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to delay. - * @param {number} wait The number of milliseconds to delay execution. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.delay(function(text) { console.log(text); }, 1000, 'later'); - * // => logs 'later' after one second - */ - function delay(func, wait) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 2); - return setTimeout(function() { func.apply(undefined, args); }, wait); - } - - /** - * Creates a function that memoizes the result of `func`. If `resolver` is - * provided it will be used to determine the cache key for storing the result - * based on the arguments provided to the memoized function. By default, the - * first argument provided to the memoized function is used as the cache key. - * The `func` is executed with the `this` binding of the memoized function. - * The result cache is exposed as the `cache` property on the memoized function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to have its output memoized. - * @param {Function} [resolver] A function used to resolve the cache key. - * @returns {Function} Returns the new memoizing function. - * @example - * - * var fibonacci = _.memoize(function(n) { - * return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2); - * }); - * - * fibonacci(9) - * // => 34 - * - * var data = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // modifying the result cache - * var get = _.memoize(function(name) { return data[name]; }, _.identity); - * get('pebbles'); - * // => { 'name': 'pebbles', 'age': 1 } - * - * get.cache.pebbles.name = 'penelope'; - * get('pebbles'); - * // => { 'name': 'penelope', 'age': 1 } - */ - function memoize(func, resolver) { - if (!isFunction(func)) { - throw new TypeError; - } - var memoized = function() { - var cache = memoized.cache, - key = resolver ? resolver.apply(this, arguments) : keyPrefix + arguments[0]; - - return hasOwnProperty.call(cache, key) - ? cache[key] - : (cache[key] = func.apply(this, arguments)); - } - memoized.cache = {}; - return memoized; - } - - /** - * Creates a function that is restricted to execute `func` once. Repeat calls to - * the function will return the value of the first call. The `func` is executed - * with the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var initialize = _.once(createApplication); - * initialize(); - * initialize(); - * // `initialize` executes `createApplication` once - */ - function once(func) { - var ran, - result; - - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (ran) { - return result; - } - ran = true; - result = func.apply(this, arguments); - - // clear the `func` variable so the function may be garbage collected - func = null; - return result; - }; - } - - /** - * Creates a function that, when called, invokes `func` with any additional - * `partial` arguments prepended to those provided to the new function. This - * method is similar to `_.bind` except it does **not** alter the `this` binding. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var greet = function(greeting, name) { return greeting + ' ' + name; }; - * var hi = _.partial(greet, 'hi'); - * hi('fred'); - * // => 'hi fred' - */ - function partial(func) { - return createWrapper(func, 16, slice(arguments, 1)); - } - - /** - * This method is like `_.partial` except that `partial` arguments are - * appended to those provided to the new function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var defaultsDeep = _.partialRight(_.merge, _.defaults); - * - * var options = { - * 'variable': 'data', - * 'imports': { 'jq': $ } - * }; - * - * defaultsDeep(options, _.templateSettings); - * - * options.variable - * // => 'data' - * - * options.imports - * // => { '_': _, 'jq': $ } - */ - function partialRight(func) { - return createWrapper(func, 32, null, slice(arguments, 1)); - } - - /** - * Creates a function that, when executed, will only call the `func` function - * at most once per every `wait` milliseconds. Provide an options object to - * indicate that `func` should be invoked on the leading and/or trailing edge - * of the `wait` timeout. Subsequent calls to the throttled function will - * return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the throttled function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to throttle. - * @param {number} wait The number of milliseconds to throttle executions to. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=true] Specify execution on the leading edge of the timeout. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new throttled function. - * @example - * - * // avoid excessively updating the position while scrolling - * var throttled = _.throttle(updatePosition, 100); - * jQuery(window).on('scroll', throttled); - * - * // execute `renewToken` when the click event is fired, but not more than once every 5 minutes - * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, { - * 'trailing': false - * })); - */ - function throttle(func, wait, options) { - var leading = true, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - if (options === false) { - leading = false; - } else if (isObject(options)) { - leading = 'leading' in options ? options.leading : leading; - trailing = 'trailing' in options ? options.trailing : trailing; - } - debounceOptions.leading = leading; - debounceOptions.maxWait = wait; - debounceOptions.trailing = trailing; - - return debounce(func, wait, debounceOptions); - } - - /** - * Creates a function that provides `value` to the wrapper function as its - * first argument. Additional arguments provided to the function are appended - * to those provided to the wrapper function. The wrapper is executed with - * the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {*} value The value to wrap. - * @param {Function} wrapper The wrapper function. - * @returns {Function} Returns the new function. - * @example - * - * var p = _.wrap(_.escape, function(func, text) { - * return '

' + func(text) + '

'; - * }); - * - * p('Fred, Wilma, & Pebbles'); - * // => '

Fred, Wilma, & Pebbles

' - */ - function wrap(value, wrapper) { - return createWrapper(wrapper, 16, [value]); - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that returns `value`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value The value to return from the new function. - * @returns {Function} Returns the new function. - * @example - * - * var object = { 'name': 'fred' }; - * var getter = _.constant(object); - * getter() === object; - * // => true - */ - function constant(value) { - return function() { - return value; - }; - } - - /** - * Produces a callback bound to an optional `thisArg`. If `func` is a property - * name the created callback will return the property value for a given element. - * If `func` is an object the created callback will return `true` for elements - * that contain the equivalent object properties, otherwise it will return `false`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // wrap to create custom callback shorthands - * _.createCallback = _.wrap(_.createCallback, function(func, callback, thisArg) { - * var match = /^(.+?)__([gl]t)(.+)$/.exec(callback); - * return !match ? func(callback, thisArg) : function(object) { - * return match[2] == 'gt' ? object[match[1]] > match[3] : object[match[1]] < match[3]; - * }; - * }); - * - * _.filter(characters, 'age__gt38'); - * // => [{ 'name': 'fred', 'age': 40 }] - */ - function createCallback(func, thisArg, argCount) { - var type = typeof func; - if (func == null || type == 'function') { - return baseCreateCallback(func, thisArg, argCount); - } - // handle "_.pluck" style callback shorthands - if (type != 'object') { - return property(func); - } - var props = keys(func), - key = props[0], - a = func[key]; - - // handle "_.where" style callback shorthands - if (props.length == 1 && a === a && !isObject(a)) { - // fast path the common case of providing an object with a single - // property containing a primitive value - return function(object) { - var b = object[key]; - return a === b && (a !== 0 || (1 / a == 1 / b)); - }; - } - return function(object) { - var length = props.length, - result = false; - - while (length--) { - if (!(result = baseIsEqual(object[props[length]], func[props[length]], null, true))) { - break; - } - } - return result; - }; - } - - /** - * Converts the characters `&`, `<`, `>`, `"`, and `'` in `string` to their - * corresponding HTML entities. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} string The string to escape. - * @returns {string} Returns the escaped string. - * @example - * - * _.escape('Fred, Wilma, & Pebbles'); - * // => 'Fred, Wilma, & Pebbles' - */ - function escape(string) { - return string == null ? '' : String(string).replace(reUnescapedHtml, escapeHtmlChar); - } - - /** - * This method returns the first argument provided to it. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value Any value. - * @returns {*} Returns `value`. - * @example - * - * var object = { 'name': 'fred' }; - * _.identity(object) === object; - * // => true - */ - function identity(value) { - return value; - } - - /** - * Adds function properties of a source object to the destination object. - * If `object` is a function methods will be added to its prototype as well. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Function|Object} [object=lodash] object The destination object. - * @param {Object} source The object of functions to add. - * @param {Object} [options] The options object. - * @param {boolean} [options.chain=true] Specify whether the functions added are chainable. - * @example - * - * function capitalize(string) { - * return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase(); - * } - * - * _.mixin({ 'capitalize': capitalize }); - * _.capitalize('fred'); - * // => 'Fred' - * - * _('fred').capitalize().value(); - * // => 'Fred' - * - * _.mixin({ 'capitalize': capitalize }, { 'chain': false }); - * _('fred').capitalize(); - * // => 'Fred' - */ - function mixin(object, source, options) { - var chain = true, - methodNames = source && functions(source); - - if (!source || (!options && !methodNames.length)) { - if (options == null) { - options = source; - } - ctor = lodashWrapper; - source = object; - object = lodash; - methodNames = functions(source); - } - if (options === false) { - chain = false; - } else if (isObject(options) && 'chain' in options) { - chain = options.chain; - } - var ctor = object, - isFunc = isFunction(ctor); - - forEach(methodNames, function(methodName) { - var func = object[methodName] = source[methodName]; - if (isFunc) { - ctor.prototype[methodName] = function() { - var chainAll = this.__chain__, - value = this.__wrapped__, - args = [value]; - - push.apply(args, arguments); - var result = func.apply(object, args); - if (chain || chainAll) { - if (value === result && isObject(result)) { - return this; - } - result = new ctor(result); - result.__chain__ = chainAll; - } - return result; - }; - } - }); - } - - /** - * Reverts the '_' variable to its previous value and returns a reference to - * the `lodash` function. - * - * @static - * @memberOf _ - * @category Utilities - * @returns {Function} Returns the `lodash` function. - * @example - * - * var lodash = _.noConflict(); - */ - function noConflict() { - context._ = oldDash; - return this; - } - - /** - * A no-operation function. - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var object = { 'name': 'fred' }; - * _.noop(object) === undefined; - * // => true - */ - function noop() { - // no operation performed - } - - /** - * Gets the number of milliseconds that have elapsed since the Unix epoch - * (1 January 1970 00:00:00 UTC). - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var stamp = _.now(); - * _.defer(function() { console.log(_.now() - stamp); }); - * // => logs the number of milliseconds it took for the deferred function to be called - */ - var now = isNative(now = Date.now) && now || function() { - return new Date().getTime(); - }; - - /** - * Converts the given value into an integer of the specified radix. - * If `radix` is `undefined` or `0` a `radix` of `10` is used unless the - * `value` is a hexadecimal, in which case a `radix` of `16` is used. - * - * Note: This method avoids differences in native ES3 and ES5 `parseInt` - * implementations. See http://es5.github.io/#E. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} value The value to parse. - * @param {number} [radix] The radix used to interpret the value to parse. - * @returns {number} Returns the new integer value. - * @example - * - * _.parseInt('08'); - * // => 8 - */ - var parseInt = nativeParseInt(whitespace + '08') == 8 ? nativeParseInt : function(value, radix) { - // Firefox < 21 and Opera < 15 follow the ES3 specified implementation of `parseInt` - return nativeParseInt(isString(value) ? value.replace(reLeadingSpacesAndZeros, '') : value, radix || 0); - }; - - /** - * Creates a "_.pluck" style function, which returns the `key` value of a - * given object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} key The name of the property to retrieve. - * @returns {Function} Returns the new function. - * @example - * - * var characters = [ - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 36 } - * ]; - * - * var getName = _.property('name'); - * - * _.map(characters, getName); - * // => ['barney', 'fred'] - * - * _.sortBy(characters, getName); - * // => [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] - */ - function property(key) { - return function(object) { - return object[key]; - }; - } - - /** - * Produces a random number between `min` and `max` (inclusive). If only one - * argument is provided a number between `0` and the given number will be - * returned. If `floating` is truey or either `min` or `max` are floats a - * floating-point number will be returned instead of an integer. - * - * @static - * @memberOf _ - * @category Utilities - * @param {number} [min=0] The minimum possible value. - * @param {number} [max=1] The maximum possible value. - * @param {boolean} [floating=false] Specify returning a floating-point number. - * @returns {number} Returns a random number. - * @example - * - * _.random(0, 5); - * // => an integer between 0 and 5 - * - * _.random(5); - * // => also an integer between 0 and 5 - * - * _.random(5, true); - * // => a floating-point number between 0 and 5 - * - * _.random(1.2, 5.2); - * // => a floating-point number between 1.2 and 5.2 - */ - function random(min, max, floating) { - var noMin = min == null, - noMax = max == null; - - if (floating == null) { - if (typeof min == 'boolean' && noMax) { - floating = min; - min = 1; - } - else if (!noMax && typeof max == 'boolean') { - floating = max; - noMax = true; - } - } - if (noMin && noMax) { - max = 1; - } - min = +min || 0; - if (noMax) { - max = min; - min = 0; - } else { - max = +max || 0; - } - if (floating || min % 1 || max % 1) { - var rand = nativeRandom(); - return nativeMin(min + (rand * (max - min + parseFloat('1e-' + ((rand +'').length - 1)))), max); - } - return baseRandom(min, max); - } - - /** - * Resolves the value of property `key` on `object`. If `key` is a function - * it will be invoked with the `this` binding of `object` and its result returned, - * else the property value is returned. If `object` is falsey then `undefined` - * is returned. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to resolve. - * @returns {*} Returns the resolved value. - * @example - * - * var object = { - * 'cheese': 'crumpets', - * 'stuff': function() { - * return 'nonsense'; - * } - * }; - * - * _.result(object, 'cheese'); - * // => 'crumpets' - * - * _.result(object, 'stuff'); - * // => 'nonsense' - */ - function result(object, key) { - if (object) { - var value = object[key]; - return isFunction(value) ? object[key]() : value; - } - } - - /** - * A micro-templating method that handles arbitrary delimiters, preserves - * whitespace, and correctly escapes quotes within interpolated code. - * - * Note: In the development build, `_.template` utilizes sourceURLs for easier - * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl - * - * For more information on precompiling templates see: - * http://lodash.com/custom-builds - * - * For more information on Chrome extension sandboxes see: - * http://developer.chrome.com/stable/extensions/sandboxingEval.html - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} text The template text. - * @param {Object} data The data object used to populate the text. - * @param {Object} [options] The options object. - * @param {RegExp} [options.escape] The "escape" delimiter. - * @param {RegExp} [options.evaluate] The "evaluate" delimiter. - * @param {Object} [options.imports] An object to import into the template as local variables. - * @param {RegExp} [options.interpolate] The "interpolate" delimiter. - * @param {string} [sourceURL] The sourceURL of the template's compiled source. - * @param {string} [variable] The data object variable name. - * @returns {Function|string} Returns a compiled function when no `data` object - * is given, else it returns the interpolated text. - * @example - * - * // using the "interpolate" delimiter to create a compiled template - * var compiled = _.template('hello <%= name %>'); - * compiled({ 'name': 'fred' }); - * // => 'hello fred' - * - * // using the "escape" delimiter to escape HTML in data property values - * _.template('<%- value %>', { 'value': ' \ No newline at end of file diff --git a/public/elements/window-manager.js b/public/elements/window-manager.js deleted file mode 100755 index d9ef962..0000000 --- a/public/elements/window-manager.js +++ /dev/null @@ -1,7278 +0,0 @@ -/******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; -/******/ -/******/ // The require function -/******/ function __webpack_require__(moduleId) { -/******/ -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; -/******/ -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; -/******/ -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ -/******/ // Flag the module as loaded -/******/ module.loaded = true; -/******/ -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } -/******/ -/******/ -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; -/******/ -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; -/******/ -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; -/******/ -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(3); - - -/***/ }, -/* 1 */, -/* 2 */, -/* 3 */ -/***/ function(module, exports, __webpack_require__) { - - var __; - - __ = __webpack_require__(7); - - Polymer("openng-window-manager", { - _currentFocus: null, - _currentZ: 1000, - _windows: [], - _unfocusAll: function() { - var i, len, ref, results, window; - ref = this._windows; - results = []; - for (i = 0, len = ref.length; i < len; i++) { - window = ref[i]; - results.push(window.focused = false); - } - return results; - }, - publish: { - add: function(window) { - return this._windows.push(window); - }, - remove: function(window) { - return this._windows = __(this._windows).without(window).value(); - }, - focus: function(window) { - if (!window.focused) { - this._unfocusAll(); - this._currentFocus = window; - window.focused = true; - return window.z = this._currentZ++; - } - } - }, - ready: function() {} - }); - - -/***/ }, -/* 4 */, -/* 5 */, -/* 6 */, -/* 7 */ -/***/ function(module, exports, __webpack_require__) { - - var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module, global) {/** - * @license - * Lo-Dash 2.4.1 (Custom Build) - * Build: `lodash -o ./dist/lodash.compat.js` - * Copyright 2012-2013 The Dojo Foundation - * Based on Underscore.js 1.5.2 - * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors - * Available under MIT license - */ - ;(function() { - - /** Used as a safe reference for `undefined` in pre ES5 environments */ - var undefined; - - /** Used to pool arrays and objects used internally */ - var arrayPool = [], - objectPool = []; - - /** Used to generate unique IDs */ - var idCounter = 0; - - /** Used internally to indicate various things */ - var indicatorObject = {}; - - /** Used to prefix keys to avoid issues with `__proto__` and properties on `Object.prototype` */ - var keyPrefix = +new Date + ''; - - /** Used as the size when optimizations are enabled for large arrays */ - var largeArraySize = 75; - - /** Used as the max size of the `arrayPool` and `objectPool` */ - var maxPoolSize = 40; - - /** Used to detect and test whitespace */ - var whitespace = ( - // whitespace - ' \t\x0B\f\xA0\ufeff' + - - // line terminators - '\n\r\u2028\u2029' + - - // unicode category "Zs" space separators - '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000' - ); - - /** Used to match empty string literals in compiled template source */ - var reEmptyStringLeading = /\b__p \+= '';/g, - reEmptyStringMiddle = /\b(__p \+=) '' \+/g, - reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; - - /** - * Used to match ES6 template delimiters - * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-literals-string-literals - */ - var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; - - /** Used to match regexp flags from their coerced string values */ - var reFlags = /\w*$/; - - /** Used to detected named functions */ - var reFuncName = /^\s*function[ \n\r\t]+\w/; - - /** Used to match "interpolate" template delimiters */ - var reInterpolate = /<%=([\s\S]+?)%>/g; - - /** Used to match leading whitespace and zeros to be removed */ - var reLeadingSpacesAndZeros = RegExp('^[' + whitespace + ']*0+(?=.$)'); - - /** Used to ensure capturing order of template delimiters */ - var reNoMatch = /($^)/; - - /** Used to detect functions containing a `this` reference */ - var reThis = /\bthis\b/; - - /** Used to match unescaped characters in compiled string literals */ - var reUnescapedString = /['\n\r\t\u2028\u2029\\]/g; - - /** Used to assign default `context` object properties */ - var contextProps = [ - 'Array', 'Boolean', 'Date', 'Error', 'Function', 'Math', 'Number', 'Object', - 'RegExp', 'String', '_', 'attachEvent', 'clearTimeout', 'isFinite', 'isNaN', - 'parseInt', 'setTimeout' - ]; - - /** Used to fix the JScript [[DontEnum]] bug */ - var shadowedProps = [ - 'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', - 'toLocaleString', 'toString', 'valueOf' - ]; - - /** Used to make template sourceURLs easier to identify */ - var templateCounter = 0; - - /** `Object#toString` result shortcuts */ - var argsClass = '[object Arguments]', - arrayClass = '[object Array]', - boolClass = '[object Boolean]', - dateClass = '[object Date]', - errorClass = '[object Error]', - funcClass = '[object Function]', - numberClass = '[object Number]', - objectClass = '[object Object]', - regexpClass = '[object RegExp]', - stringClass = '[object String]'; - - /** Used to identify object classifications that `_.clone` supports */ - var cloneableClasses = {}; - cloneableClasses[funcClass] = false; - cloneableClasses[argsClass] = cloneableClasses[arrayClass] = - cloneableClasses[boolClass] = cloneableClasses[dateClass] = - cloneableClasses[numberClass] = cloneableClasses[objectClass] = - cloneableClasses[regexpClass] = cloneableClasses[stringClass] = true; - - /** Used as an internal `_.debounce` options object */ - var debounceOptions = { - 'leading': false, - 'maxWait': 0, - 'trailing': false - }; - - /** Used as the property descriptor for `__bindData__` */ - var descriptor = { - 'configurable': false, - 'enumerable': false, - 'value': null, - 'writable': false - }; - - /** Used as the data object for `iteratorTemplate` */ - var iteratorData = { - 'args': '', - 'array': null, - 'bottom': '', - 'firstArg': '', - 'init': '', - 'keys': null, - 'loop': '', - 'shadowedProps': null, - 'support': null, - 'top': '', - 'useHas': false - }; - - /** Used to determine if values are of the language type Object */ - var objectTypes = { - 'boolean': false, - 'function': true, - 'object': true, - 'number': false, - 'string': false, - 'undefined': false - }; - - /** Used to escape characters for inclusion in compiled string literals */ - var stringEscapes = { - '\\': '\\', - "'": "'", - '\n': 'n', - '\r': 'r', - '\t': 't', - '\u2028': 'u2028', - '\u2029': 'u2029' - }; - - /** Used as a reference to the global object */ - var root = (objectTypes[typeof window] && window) || this; - - /** Detect free variable `exports` */ - var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports; - - /** Detect free variable `module` */ - var freeModule = objectTypes[typeof module] && module && !module.nodeType && module; - - /** Detect the popular CommonJS extension `module.exports` */ - var moduleExports = freeModule && freeModule.exports === freeExports && freeExports; - - /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */ - var freeGlobal = objectTypes[typeof global] && global; - if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal)) { - root = freeGlobal; - } - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.indexOf` without support for binary searches - * or `fromIndex` constraints. - * - * @private - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - */ - function baseIndexOf(array, value, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0; - - while (++index < length) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * An implementation of `_.contains` for cache objects that mimics the return - * signature of `_.indexOf` by returning `0` if the value is found, else `-1`. - * - * @private - * @param {Object} cache The cache object to inspect. - * @param {*} value The value to search for. - * @returns {number} Returns `0` if `value` is found, else `-1`. - */ - function cacheIndexOf(cache, value) { - var type = typeof value; - cache = cache.cache; - - if (type == 'boolean' || value == null) { - return cache[value] ? 0 : -1; - } - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value; - cache = (cache = cache[type]) && cache[key]; - - return type == 'object' - ? (cache && baseIndexOf(cache, value) > -1 ? 0 : -1) - : (cache ? 0 : -1); - } - - /** - * Adds a given value to the corresponding cache object. - * - * @private - * @param {*} value The value to add to the cache. - */ - function cachePush(value) { - var cache = this.cache, - type = typeof value; - - if (type == 'boolean' || value == null) { - cache[value] = true; - } else { - if (type != 'number' && type != 'string') { - type = 'object'; - } - var key = type == 'number' ? value : keyPrefix + value, - typeCache = cache[type] || (cache[type] = {}); - - if (type == 'object') { - (typeCache[key] || (typeCache[key] = [])).push(value); - } else { - typeCache[key] = true; - } - } - } - - /** - * Used by `_.max` and `_.min` as the default callback when a given - * collection is a string value. - * - * @private - * @param {string} value The character to inspect. - * @returns {number} Returns the code unit of given character. - */ - function charAtCallback(value) { - return value.charCodeAt(0); - } - - /** - * Used by `sortBy` to compare transformed `collection` elements, stable sorting - * them in ascending order. - * - * @private - * @param {Object} a The object to compare to `b`. - * @param {Object} b The object to compare to `a`. - * @returns {number} Returns the sort order indicator of `1` or `-1`. - */ - function compareAscending(a, b) { - var ac = a.criteria, - bc = b.criteria, - index = -1, - length = ac.length; - - while (++index < length) { - var value = ac[index], - other = bc[index]; - - if (value !== other) { - if (value > other || typeof value == 'undefined') { - return 1; - } - if (value < other || typeof other == 'undefined') { - return -1; - } - } - } - // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications - // that causes it, under certain circumstances, to return the same value for - // `a` and `b`. See https://github.com/jashkenas/underscore/pull/1247 - // - // This also ensures a stable sort in V8 and other engines. - // See http://code.google.com/p/v8/issues/detail?id=90 - return a.index - b.index; - } - - /** - * Creates a cache object to optimize linear searches of large arrays. - * - * @private - * @param {Array} [array=[]] The array to search. - * @returns {null|Object} Returns the cache object or `null` if caching should not be used. - */ - function createCache(array) { - var index = -1, - length = array.length, - first = array[0], - mid = array[(length / 2) | 0], - last = array[length - 1]; - - if (first && typeof first == 'object' && - mid && typeof mid == 'object' && last && typeof last == 'object') { - return false; - } - var cache = getObject(); - cache['false'] = cache['null'] = cache['true'] = cache['undefined'] = false; - - var result = getObject(); - result.array = array; - result.cache = cache; - result.push = cachePush; - - while (++index < length) { - result.push(array[index]); - } - return result; - } - - /** - * Used by `template` to escape characters for inclusion in compiled - * string literals. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeStringChar(match) { - return '\\' + stringEscapes[match]; - } - - /** - * Gets an array from the array pool or creates a new one if the pool is empty. - * - * @private - * @returns {Array} The array from the pool. - */ - function getArray() { - return arrayPool.pop() || []; - } - - /** - * Gets an object from the object pool or creates a new one if the pool is empty. - * - * @private - * @returns {Object} The object from the pool. - */ - function getObject() { - return objectPool.pop() || { - 'array': null, - 'cache': null, - 'criteria': null, - 'false': false, - 'index': 0, - 'null': false, - 'number': null, - 'object': null, - 'push': null, - 'string': null, - 'true': false, - 'undefined': false, - 'value': null - }; - } - - /** - * Checks if `value` is a DOM node in IE < 9. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a DOM node, else `false`. - */ - function isNode(value) { - // IE < 9 presents DOM nodes as `Object` objects except they have `toString` - // methods that are `typeof` "string" and still can coerce nodes to strings - return typeof value.toString != 'function' && typeof (value + '') == 'string'; - } - - /** - * Releases the given array back to the array pool. - * - * @private - * @param {Array} [array] The array to release. - */ - function releaseArray(array) { - array.length = 0; - if (arrayPool.length < maxPoolSize) { - arrayPool.push(array); - } - } - - /** - * Releases the given object back to the object pool. - * - * @private - * @param {Object} [object] The object to release. - */ - function releaseObject(object) { - var cache = object.cache; - if (cache) { - releaseObject(cache); - } - object.array = object.cache = object.criteria = object.object = object.number = object.string = object.value = null; - if (objectPool.length < maxPoolSize) { - objectPool.push(object); - } - } - - /** - * Slices the `collection` from the `start` index up to, but not including, - * the `end` index. - * - * Note: This function is used instead of `Array#slice` to support node lists - * in IE < 9 and to ensure dense arrays are returned. - * - * @private - * @param {Array|Object|string} collection The collection to slice. - * @param {number} start The start index. - * @param {number} end The end index. - * @returns {Array} Returns the new array. - */ - function slice(array, start, end) { - start || (start = 0); - if (typeof end == 'undefined') { - end = array ? array.length : 0; - } - var index = -1, - length = end - start || 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = array[start + index]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Create a new `lodash` function using the given context object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} [context=root] The context object. - * @returns {Function} Returns the `lodash` function. - */ - function runInContext(context) { - // Avoid issues with some ES3 environments that attempt to use values, named - // after built-in constructors like `Object`, for the creation of literals. - // ES5 clears this up by stating that literals must use built-in constructors. - // See http://es5.github.io/#x11.1.5. - context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root; - - /** Native constructor references */ - var Array = context.Array, - Boolean = context.Boolean, - Date = context.Date, - Error = context.Error, - Function = context.Function, - Math = context.Math, - Number = context.Number, - Object = context.Object, - RegExp = context.RegExp, - String = context.String, - TypeError = context.TypeError; - - /** - * Used for `Array` method references. - * - * Normally `Array.prototype` would suffice, however, using an array literal - * avoids issues in Narwhal. - */ - var arrayRef = []; - - /** Used for native method references */ - var errorProto = Error.prototype, - objectProto = Object.prototype, - stringProto = String.prototype; - - /** Used to restore the original `_` reference in `noConflict` */ - var oldDash = context._; - - /** Used to resolve the internal [[Class]] of values */ - var toString = objectProto.toString; - - /** Used to detect if a method is native */ - var reNative = RegExp('^' + - String(toString) - .replace(/[.*+?^${}()|[\]\\]/g, '\\$&') - .replace(/toString| for [^\]]+/g, '.*?') + '$' - ); - - /** Native method shortcuts */ - var ceil = Math.ceil, - clearTimeout = context.clearTimeout, - floor = Math.floor, - fnToString = Function.prototype.toString, - getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf, - hasOwnProperty = objectProto.hasOwnProperty, - push = arrayRef.push, - propertyIsEnumerable = objectProto.propertyIsEnumerable, - setTimeout = context.setTimeout, - splice = arrayRef.splice, - unshift = arrayRef.unshift; - - /** Used to set meta data on functions */ - var defineProperty = (function() { - // IE 8 only accepts DOM elements - try { - var o = {}, - func = isNative(func = Object.defineProperty) && func, - result = func(o, o, o) && func; - } catch(e) { } - return result; - }()); - - /* Native method shortcuts for methods with the same name as other `lodash` methods */ - var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate, - nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray, - nativeIsFinite = context.isFinite, - nativeIsNaN = context.isNaN, - nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys, - nativeMax = Math.max, - nativeMin = Math.min, - nativeParseInt = context.parseInt, - nativeRandom = Math.random; - - /** Used to lookup a built-in constructor by [[Class]] */ - var ctorByClass = {}; - ctorByClass[arrayClass] = Array; - ctorByClass[boolClass] = Boolean; - ctorByClass[dateClass] = Date; - ctorByClass[funcClass] = Function; - ctorByClass[objectClass] = Object; - ctorByClass[numberClass] = Number; - ctorByClass[regexpClass] = RegExp; - ctorByClass[stringClass] = String; - - /** Used to avoid iterating non-enumerable properties in IE < 9 */ - var nonEnumProps = {}; - nonEnumProps[arrayClass] = nonEnumProps[dateClass] = nonEnumProps[numberClass] = { 'constructor': true, 'toLocaleString': true, 'toString': true, 'valueOf': true }; - nonEnumProps[boolClass] = nonEnumProps[stringClass] = { 'constructor': true, 'toString': true, 'valueOf': true }; - nonEnumProps[errorClass] = nonEnumProps[funcClass] = nonEnumProps[regexpClass] = { 'constructor': true, 'toString': true }; - nonEnumProps[objectClass] = { 'constructor': true }; - - (function() { - var length = shadowedProps.length; - while (length--) { - var key = shadowedProps[length]; - for (var className in nonEnumProps) { - if (hasOwnProperty.call(nonEnumProps, className) && !hasOwnProperty.call(nonEnumProps[className], key)) { - nonEnumProps[className][key] = false; - } - } - } - }()); - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a `lodash` object which wraps the given value to enable intuitive - * method chaining. - * - * In addition to Lo-Dash methods, wrappers also have the following `Array` methods: - * `concat`, `join`, `pop`, `push`, `reverse`, `shift`, `slice`, `sort`, `splice`, - * and `unshift` - * - * Chaining is supported in custom builds as long as the `value` method is - * implicitly or explicitly included in the build. - * - * The chainable wrapper functions are: - * `after`, `assign`, `bind`, `bindAll`, `bindKey`, `chain`, `compact`, - * `compose`, `concat`, `countBy`, `create`, `createCallback`, `curry`, - * `debounce`, `defaults`, `defer`, `delay`, `difference`, `filter`, `flatten`, - * `forEach`, `forEachRight`, `forIn`, `forInRight`, `forOwn`, `forOwnRight`, - * `functions`, `groupBy`, `indexBy`, `initial`, `intersection`, `invert`, - * `invoke`, `keys`, `map`, `max`, `memoize`, `merge`, `min`, `object`, `omit`, - * `once`, `pairs`, `partial`, `partialRight`, `pick`, `pluck`, `pull`, `push`, - * `range`, `reject`, `remove`, `rest`, `reverse`, `shuffle`, `slice`, `sort`, - * `sortBy`, `splice`, `tap`, `throttle`, `times`, `toArray`, `transform`, - * `union`, `uniq`, `unshift`, `unzip`, `values`, `where`, `without`, `wrap`, - * and `zip` - * - * The non-chainable wrapper functions are: - * `clone`, `cloneDeep`, `contains`, `escape`, `every`, `find`, `findIndex`, - * `findKey`, `findLast`, `findLastIndex`, `findLastKey`, `has`, `identity`, - * `indexOf`, `isArguments`, `isArray`, `isBoolean`, `isDate`, `isElement`, - * `isEmpty`, `isEqual`, `isFinite`, `isFunction`, `isNaN`, `isNull`, `isNumber`, - * `isObject`, `isPlainObject`, `isRegExp`, `isString`, `isUndefined`, `join`, - * `lastIndexOf`, `mixin`, `noConflict`, `parseInt`, `pop`, `random`, `reduce`, - * `reduceRight`, `result`, `shift`, `size`, `some`, `sortedIndex`, `runInContext`, - * `template`, `unescape`, `uniqueId`, and `value` - * - * The wrapper functions `first` and `last` return wrapped values when `n` is - * provided, otherwise they return unwrapped values. - * - * Explicit chaining can be enabled by using the `_.chain` method. - * - * @name _ - * @constructor - * @category Chaining - * @param {*} value The value to wrap in a `lodash` instance. - * @returns {Object} Returns a `lodash` instance. - * @example - * - * var wrapped = _([1, 2, 3]); - * - * // returns an unwrapped value - * wrapped.reduce(function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * // returns a wrapped value - * var squares = wrapped.map(function(num) { - * return num * num; - * }); - * - * _.isArray(squares); - * // => false - * - * _.isArray(squares.value()); - * // => true - */ - function lodash(value) { - // don't wrap if already wrapped, even if wrapped by a different `lodash` constructor - return (value && typeof value == 'object' && !isArray(value) && hasOwnProperty.call(value, '__wrapped__')) - ? value - : new lodashWrapper(value); - } - - /** - * A fast path for creating `lodash` wrapper objects. - * - * @private - * @param {*} value The value to wrap in a `lodash` instance. - * @param {boolean} chainAll A flag to enable chaining for all methods - * @returns {Object} Returns a `lodash` instance. - */ - function lodashWrapper(value, chainAll) { - this.__chain__ = !!chainAll; - this.__wrapped__ = value; - } - // ensure `new lodashWrapper` is an instance of `lodash` - lodashWrapper.prototype = lodash.prototype; - - /** - * An object used to flag environments features. - * - * @static - * @memberOf _ - * @type Object - */ - var support = lodash.support = {}; - - (function() { - var ctor = function() { this.x = 1; }, - object = { '0': 1, 'length': 1 }, - props = []; - - ctor.prototype = { 'valueOf': 1, 'y': 1 }; - for (var key in new ctor) { props.push(key); } - for (key in arguments) { } - - /** - * Detect if an `arguments` object's [[Class]] is resolvable (all but Firefox < 4, IE < 9). - * - * @memberOf _.support - * @type boolean - */ - support.argsClass = toString.call(arguments) == argsClass; - - /** - * Detect if `arguments` objects are `Object` objects (all but Narwhal and Opera < 10.5). - * - * @memberOf _.support - * @type boolean - */ - support.argsObject = arguments.constructor == Object && !(arguments instanceof Array); - - /** - * Detect if `name` or `message` properties of `Error.prototype` are - * enumerable by default. (IE < 9, Safari < 5.1) - * - * @memberOf _.support - * @type boolean - */ - support.enumErrorProps = propertyIsEnumerable.call(errorProto, 'message') || propertyIsEnumerable.call(errorProto, 'name'); - - /** - * Detect if `prototype` properties are enumerable by default. - * - * Firefox < 3.6, Opera > 9.50 - Opera < 11.60, and Safari < 5.1 - * (if the prototype or a property on the prototype has been set) - * incorrectly sets a function's `prototype` property [[Enumerable]] - * value to `true`. - * - * @memberOf _.support - * @type boolean - */ - support.enumPrototypes = propertyIsEnumerable.call(ctor, 'prototype'); - - /** - * Detect if functions can be decompiled by `Function#toString` - * (all but PS3 and older Opera mobile browsers & avoided in Windows 8 apps). - * - * @memberOf _.support - * @type boolean - */ - support.funcDecomp = !isNative(context.WinRTError) && reThis.test(runInContext); - - /** - * Detect if `Function#name` is supported (all but IE). - * - * @memberOf _.support - * @type boolean - */ - support.funcNames = typeof Function.name == 'string'; - - /** - * Detect if `arguments` object indexes are non-enumerable - * (Firefox < 4, IE < 9, PhantomJS, Safari < 5.1). - * - * @memberOf _.support - * @type boolean - */ - support.nonEnumArgs = key != 0; - - /** - * Detect if properties shadowing those on `Object.prototype` are non-enumerable. - * - * In IE < 9 an objects own properties, shadowing non-enumerable ones, are - * made non-enumerable as well (a.k.a the JScript [[DontEnum]] bug). - * - * @memberOf _.support - * @type boolean - */ - support.nonEnumShadows = !/valueOf/.test(props); - - /** - * Detect if own properties are iterated after inherited properties (all but IE < 9). - * - * @memberOf _.support - * @type boolean - */ - support.ownLast = props[0] != 'x'; - - /** - * Detect if `Array#shift` and `Array#splice` augment array-like objects correctly. - * - * Firefox < 10, IE compatibility mode, and IE < 9 have buggy Array `shift()` - * and `splice()` functions that fail to remove the last element, `value[0]`, - * of array-like objects even though the `length` property is set to `0`. - * The `shift()` method is buggy in IE 8 compatibility mode, while `splice()` - * is buggy regardless of mode in IE < 9 and buggy in compatibility mode in IE 9. - * - * @memberOf _.support - * @type boolean - */ - support.spliceObjects = (arrayRef.splice.call(object, 0, 1), !object[0]); - - /** - * Detect lack of support for accessing string characters by index. - * - * IE < 8 can't access characters by index and IE 8 can only access - * characters by index on string literals. - * - * @memberOf _.support - * @type boolean - */ - support.unindexedChars = ('x'[0] + Object('x')[0]) != 'xx'; - - /** - * Detect if a DOM node's [[Class]] is resolvable (all but IE < 9) - * and that the JS engine errors when attempting to coerce an object to - * a string without a `toString` function. - * - * @memberOf _.support - * @type boolean - */ - try { - support.nodeClass = !(toString.call(document) == objectClass && !({ 'toString': 0 } + '')); - } catch(e) { - support.nodeClass = true; - } - }(1)); - - /** - * By default, the template delimiters used by Lo-Dash are similar to those in - * embedded Ruby (ERB). Change the following template settings to use alternative - * delimiters. - * - * @static - * @memberOf _ - * @type Object - */ - lodash.templateSettings = { - - /** - * Used to detect `data` property values to be HTML-escaped. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'escape': /<%-([\s\S]+?)%>/g, - - /** - * Used to detect code to be evaluated. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'evaluate': /<%([\s\S]+?)%>/g, - - /** - * Used to detect `data` property values to inject. - * - * @memberOf _.templateSettings - * @type RegExp - */ - 'interpolate': reInterpolate, - - /** - * Used to reference the data object in the template text. - * - * @memberOf _.templateSettings - * @type string - */ - 'variable': '', - - /** - * Used to import variables into the compiled template. - * - * @memberOf _.templateSettings - * @type Object - */ - 'imports': { - - /** - * A reference to the `lodash` function. - * - * @memberOf _.templateSettings.imports - * @type Function - */ - '_': lodash - } - }; - - /*--------------------------------------------------------------------------*/ - - /** - * The template used to create iterator functions. - * - * @private - * @param {Object} data The data object used to populate the text. - * @returns {string} Returns the interpolated text. - */ - var iteratorTemplate = function(obj) { - - var __p = 'var index, iterable = ' + - (obj.firstArg) + - ', result = ' + - (obj.init) + - ';\nif (!iterable) return result;\n' + - (obj.top) + - ';'; - if (obj.array) { - __p += '\nvar length = iterable.length; index = -1;\nif (' + - (obj.array) + - ') { '; - if (support.unindexedChars) { - __p += '\n if (isString(iterable)) {\n iterable = iterable.split(\'\')\n } '; - } - __p += '\n while (++index < length) {\n ' + - (obj.loop) + - ';\n }\n}\nelse { '; - } else if (support.nonEnumArgs) { - __p += '\n var length = iterable.length; index = -1;\n if (length && isArguments(iterable)) {\n while (++index < length) {\n index += \'\';\n ' + - (obj.loop) + - ';\n }\n } else { '; - } - - if (support.enumPrototypes) { - __p += '\n var skipProto = typeof iterable == \'function\';\n '; - } - - if (support.enumErrorProps) { - __p += '\n var skipErrorProps = iterable === errorProto || iterable instanceof Error;\n '; - } - - var conditions = []; if (support.enumPrototypes) { conditions.push('!(skipProto && index == "prototype")'); } if (support.enumErrorProps) { conditions.push('!(skipErrorProps && (index == "message" || index == "name"))'); } - - if (obj.useHas && obj.keys) { - __p += '\n var ownIndex = -1,\n ownProps = objectTypes[typeof iterable] && keys(iterable),\n length = ownProps ? ownProps.length : 0;\n\n while (++ownIndex < length) {\n index = ownProps[ownIndex];\n'; - if (conditions.length) { - __p += ' if (' + - (conditions.join(' && ')) + - ') {\n '; - } - __p += - (obj.loop) + - '; '; - if (conditions.length) { - __p += '\n }'; - } - __p += '\n } '; - } else { - __p += '\n for (index in iterable) {\n'; - if (obj.useHas) { conditions.push("hasOwnProperty.call(iterable, index)"); } if (conditions.length) { - __p += ' if (' + - (conditions.join(' && ')) + - ') {\n '; - } - __p += - (obj.loop) + - '; '; - if (conditions.length) { - __p += '\n }'; - } - __p += '\n } '; - if (support.nonEnumShadows) { - __p += '\n\n if (iterable !== objectProto) {\n var ctor = iterable.constructor,\n isProto = iterable === (ctor && ctor.prototype),\n className = iterable === stringProto ? stringClass : iterable === errorProto ? errorClass : toString.call(iterable),\n nonEnum = nonEnumProps[className];\n '; - for (k = 0; k < 7; k++) { - __p += '\n index = \'' + - (obj.shadowedProps[k]) + - '\';\n if ((!(isProto && nonEnum[index]) && hasOwnProperty.call(iterable, index))'; - if (!obj.useHas) { - __p += ' || (!nonEnum[index] && iterable[index] !== objectProto[index])'; - } - __p += ') {\n ' + - (obj.loop) + - ';\n } '; - } - __p += '\n } '; - } - - } - - if (obj.array || support.nonEnumArgs) { - __p += '\n}'; - } - __p += - (obj.bottom) + - ';\nreturn result'; - - return __p - }; - - /*--------------------------------------------------------------------------*/ - - /** - * The base implementation of `_.bind` that creates the bound function and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new bound function. - */ - function baseBind(bindData) { - var func = bindData[0], - partialArgs = bindData[2], - thisArg = bindData[4]; - - function bound() { - // `Function#bind` spec - // http://es5.github.io/#x15.3.4.5 - if (partialArgs) { - // avoid `arguments` object deoptimizations by using `slice` instead - // of `Array.prototype.slice.call` and not assigning `arguments` to a - // variable as a ternary expression - var args = slice(partialArgs); - push.apply(args, arguments); - } - // mimic the constructor's `return` behavior - // http://es5.github.io/#x13.2.2 - if (this instanceof bound) { - // ensure `new bound` is an instance of `func` - var thisBinding = baseCreate(func.prototype), - result = func.apply(thisBinding, args || arguments); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisArg, args || arguments); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.clone` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates clones with source counterparts. - * @returns {*} Returns the cloned value. - */ - function baseClone(value, isDeep, callback, stackA, stackB) { - if (callback) { - var result = callback(value); - if (typeof result != 'undefined') { - return result; - } - } - // inspect [[Class]] - var isObj = isObject(value); - if (isObj) { - var className = toString.call(value); - if (!cloneableClasses[className] || (!support.nodeClass && isNode(value))) { - return value; - } - var ctor = ctorByClass[className]; - switch (className) { - case boolClass: - case dateClass: - return new ctor(+value); - - case numberClass: - case stringClass: - return new ctor(value); - - case regexpClass: - result = ctor(value.source, reFlags.exec(value)); - result.lastIndex = value.lastIndex; - return result; - } - } else { - return value; - } - var isArr = isArray(value); - if (isDeep) { - // check for circular references and return corresponding clone - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == value) { - return stackB[length]; - } - } - result = isArr ? ctor(value.length) : {}; - } - else { - result = isArr ? slice(value) : assign({}, value); - } - // add array properties assigned by `RegExp#exec` - if (isArr) { - if (hasOwnProperty.call(value, 'index')) { - result.index = value.index; - } - if (hasOwnProperty.call(value, 'input')) { - result.input = value.input; - } - } - // exit for shallow clone - if (!isDeep) { - return result; - } - // add the source value to the stack of traversed objects - // and associate it with its clone - stackA.push(value); - stackB.push(result); - - // recursively populate clone (susceptible to call stack limits) - (isArr ? baseEach : forOwn)(value, function(objValue, key) { - result[key] = baseClone(objValue, isDeep, callback, stackA, stackB); - }); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.create` without support for assigning - * properties to the created object. - * - * @private - * @param {Object} prototype The object to inherit from. - * @returns {Object} Returns the new object. - */ - function baseCreate(prototype, properties) { - return isObject(prototype) ? nativeCreate(prototype) : {}; - } - // fallback for browsers without `Object.create` - if (!nativeCreate) { - baseCreate = (function() { - function Object() {} - return function(prototype) { - if (isObject(prototype)) { - Object.prototype = prototype; - var result = new Object; - Object.prototype = null; - } - return result || context.Object(); - }; - }()); - } - - /** - * The base implementation of `_.createCallback` without support for creating - * "_.pluck" or "_.where" style callbacks. - * - * @private - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - */ - function baseCreateCallback(func, thisArg, argCount) { - if (typeof func != 'function') { - return identity; - } - // exit early for no `thisArg` or already bound by `Function#bind` - if (typeof thisArg == 'undefined' || !('prototype' in func)) { - return func; - } - var bindData = func.__bindData__; - if (typeof bindData == 'undefined') { - if (support.funcNames) { - bindData = !func.name; - } - bindData = bindData || !support.funcDecomp; - if (!bindData) { - var source = fnToString.call(func); - if (!support.funcNames) { - bindData = !reFuncName.test(source); - } - if (!bindData) { - // checks if `func` references the `this` keyword and stores the result - bindData = reThis.test(source); - setBindData(func, bindData); - } - } - } - // exit early if there are no `this` references or `func` is bound - if (bindData === false || (bindData !== true && bindData[1] & 1)) { - return func; - } - switch (argCount) { - case 1: return function(value) { - return func.call(thisArg, value); - }; - case 2: return function(a, b) { - return func.call(thisArg, a, b); - }; - case 3: return function(value, index, collection) { - return func.call(thisArg, value, index, collection); - }; - case 4: return function(accumulator, value, index, collection) { - return func.call(thisArg, accumulator, value, index, collection); - }; - } - return bind(func, thisArg); - } - - /** - * The base implementation of `createWrapper` that creates the wrapper and - * sets its meta data. - * - * @private - * @param {Array} bindData The bind data array. - * @returns {Function} Returns the new function. - */ - function baseCreateWrapper(bindData) { - var func = bindData[0], - bitmask = bindData[1], - partialArgs = bindData[2], - partialRightArgs = bindData[3], - thisArg = bindData[4], - arity = bindData[5]; - - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - key = func; - - function bound() { - var thisBinding = isBind ? thisArg : this; - if (partialArgs) { - var args = slice(partialArgs); - push.apply(args, arguments); - } - if (partialRightArgs || isCurry) { - args || (args = slice(arguments)); - if (partialRightArgs) { - push.apply(args, partialRightArgs); - } - if (isCurry && args.length < arity) { - bitmask |= 16 & ~32; - return baseCreateWrapper([func, (isCurryBound ? bitmask : bitmask & ~3), args, null, thisArg, arity]); - } - } - args || (args = arguments); - if (isBindKey) { - func = thisBinding[key]; - } - if (this instanceof bound) { - thisBinding = baseCreate(func.prototype); - var result = func.apply(thisBinding, args); - return isObject(result) ? result : thisBinding; - } - return func.apply(thisBinding, args); - } - setBindData(bound, bindData); - return bound; - } - - /** - * The base implementation of `_.difference` that accepts a single array - * of values to exclude. - * - * @private - * @param {Array} array The array to process. - * @param {Array} [values] The array of values to exclude. - * @returns {Array} Returns a new array of filtered values. - */ - function baseDifference(array, values) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - isLarge = length >= largeArraySize && indexOf === baseIndexOf, - result = []; - - if (isLarge) { - var cache = createCache(values); - if (cache) { - indexOf = cacheIndexOf; - values = cache; - } else { - isLarge = false; - } - } - while (++index < length) { - var value = array[index]; - if (indexOf(values, value) < 0) { - result.push(value); - } - } - if (isLarge) { - releaseObject(values); - } - return result; - } - - /** - * The base implementation of `_.flatten` without support for callback - * shorthands or `thisArg` binding. - * - * @private - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {boolean} [isStrict=false] A flag to restrict flattening to arrays and `arguments` objects. - * @param {number} [fromIndex=0] The index to start from. - * @returns {Array} Returns a new flattened array. - */ - function baseFlatten(array, isShallow, isStrict, fromIndex) { - var index = (fromIndex || 0) - 1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - - if (value && typeof value == 'object' && typeof value.length == 'number' - && (isArray(value) || isArguments(value))) { - // recursively flatten arrays (susceptible to call stack limits) - if (!isShallow) { - value = baseFlatten(value, isShallow, isStrict); - } - var valIndex = -1, - valLength = value.length, - resIndex = result.length; - - result.length += valLength; - while (++valIndex < valLength) { - result[resIndex++] = value[valIndex]; - } - } else if (!isStrict) { - result.push(value); - } - } - return result; - } - - /** - * The base implementation of `_.isEqual`, without support for `thisArg` binding, - * that allows partial "_.where" style comparisons. - * - * @private - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {Function} [isWhere=false] A flag to indicate performing partial comparisons. - * @param {Array} [stackA=[]] Tracks traversed `a` objects. - * @param {Array} [stackB=[]] Tracks traversed `b` objects. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - */ - function baseIsEqual(a, b, callback, isWhere, stackA, stackB) { - // used to indicate that when comparing objects, `a` has at least the properties of `b` - if (callback) { - var result = callback(a, b); - if (typeof result != 'undefined') { - return !!result; - } - } - // exit early for identical values - if (a === b) { - // treat `+0` vs. `-0` as not equal - return a !== 0 || (1 / a == 1 / b); - } - var type = typeof a, - otherType = typeof b; - - // exit early for unlike primitive values - if (a === a && - !(a && objectTypes[type]) && - !(b && objectTypes[otherType])) { - return false; - } - // exit early for `null` and `undefined` avoiding ES3's Function#call behavior - // http://es5.github.io/#x15.3.4.4 - if (a == null || b == null) { - return a === b; - } - // compare [[Class]] names - var className = toString.call(a), - otherClass = toString.call(b); - - if (className == argsClass) { - className = objectClass; - } - if (otherClass == argsClass) { - otherClass = objectClass; - } - if (className != otherClass) { - return false; - } - switch (className) { - case boolClass: - case dateClass: - // coerce dates and booleans to numbers, dates to milliseconds and booleans - // to `1` or `0` treating invalid dates coerced to `NaN` as not equal - return +a == +b; - - case numberClass: - // treat `NaN` vs. `NaN` as equal - return (a != +a) - ? b != +b - // but treat `+0` vs. `-0` as not equal - : (a == 0 ? (1 / a == 1 / b) : a == +b); - - case regexpClass: - case stringClass: - // coerce regexes to strings (http://es5.github.io/#x15.10.6.4) - // treat string primitives and their corresponding object instances as equal - return a == String(b); - } - var isArr = className == arrayClass; - if (!isArr) { - // unwrap any `lodash` wrapped values - var aWrapped = hasOwnProperty.call(a, '__wrapped__'), - bWrapped = hasOwnProperty.call(b, '__wrapped__'); - - if (aWrapped || bWrapped) { - return baseIsEqual(aWrapped ? a.__wrapped__ : a, bWrapped ? b.__wrapped__ : b, callback, isWhere, stackA, stackB); - } - // exit for functions and DOM nodes - if (className != objectClass || (!support.nodeClass && (isNode(a) || isNode(b)))) { - return false; - } - // in older versions of Opera, `arguments` objects have `Array` constructors - var ctorA = !support.argsObject && isArguments(a) ? Object : a.constructor, - ctorB = !support.argsObject && isArguments(b) ? Object : b.constructor; - - // non `Object` object instances with different constructors are not equal - if (ctorA != ctorB && - !(isFunction(ctorA) && ctorA instanceof ctorA && isFunction(ctorB) && ctorB instanceof ctorB) && - ('constructor' in a && 'constructor' in b) - ) { - return false; - } - } - // assume cyclic structures are equal - // the algorithm for detecting cyclic structures is adapted from ES 5.1 - // section 15.12.3, abstract operation `JO` (http://es5.github.io/#x15.12.3) - var initedStack = !stackA; - stackA || (stackA = getArray()); - stackB || (stackB = getArray()); - - var length = stackA.length; - while (length--) { - if (stackA[length] == a) { - return stackB[length] == b; - } - } - var size = 0; - result = true; - - // add `a` and `b` to the stack of traversed objects - stackA.push(a); - stackB.push(b); - - // recursively compare objects and arrays (susceptible to call stack limits) - if (isArr) { - // compare lengths to determine if a deep comparison is necessary - length = a.length; - size = b.length; - result = size == length; - - if (result || isWhere) { - // deep compare the contents, ignoring non-numeric properties - while (size--) { - var index = length, - value = b[size]; - - if (isWhere) { - while (index--) { - if ((result = baseIsEqual(a[index], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } else if (!(result = baseIsEqual(a[size], value, callback, isWhere, stackA, stackB))) { - break; - } - } - } - } - else { - // deep compare objects using `forIn`, instead of `forOwn`, to avoid `Object.keys` - // which, in this case, is more costly - forIn(b, function(value, key, b) { - if (hasOwnProperty.call(b, key)) { - // count the number of properties. - size++; - // deep compare each property value. - return (result = hasOwnProperty.call(a, key) && baseIsEqual(a[key], value, callback, isWhere, stackA, stackB)); - } - }); - - if (result && !isWhere) { - // ensure both objects have the same number of properties - forIn(a, function(value, key, a) { - if (hasOwnProperty.call(a, key)) { - // `size` will be `-1` if `a` has more properties than `b` - return (result = --size > -1); - } - }); - } - } - stackA.pop(); - stackB.pop(); - - if (initedStack) { - releaseArray(stackA); - releaseArray(stackB); - } - return result; - } - - /** - * The base implementation of `_.merge` without argument juggling or support - * for `thisArg` binding. - * - * @private - * @param {Object} object The destination object. - * @param {Object} source The source object. - * @param {Function} [callback] The function to customize merging properties. - * @param {Array} [stackA=[]] Tracks traversed source objects. - * @param {Array} [stackB=[]] Associates values with source counterparts. - */ - function baseMerge(object, source, callback, stackA, stackB) { - (isArray(source) ? forEach : forOwn)(source, function(source, key) { - var found, - isArr, - result = source, - value = object[key]; - - if (source && ((isArr = isArray(source)) || isPlainObject(source))) { - // avoid merging previously merged cyclic sources - var stackLength = stackA.length; - while (stackLength--) { - if ((found = stackA[stackLength] == source)) { - value = stackB[stackLength]; - break; - } - } - if (!found) { - var isShallow; - if (callback) { - result = callback(value, source); - if ((isShallow = typeof result != 'undefined')) { - value = result; - } - } - if (!isShallow) { - value = isArr - ? (isArray(value) ? value : []) - : (isPlainObject(value) ? value : {}); - } - // add `source` and associated `value` to the stack of traversed objects - stackA.push(source); - stackB.push(value); - - // recursively merge objects and arrays (susceptible to call stack limits) - if (!isShallow) { - baseMerge(value, source, callback, stackA, stackB); - } - } - } - else { - if (callback) { - result = callback(value, source); - if (typeof result == 'undefined') { - result = source; - } - } - if (typeof result != 'undefined') { - value = result; - } - } - object[key] = value; - }); - } - - /** - * The base implementation of `_.random` without argument juggling or support - * for returning floating-point numbers. - * - * @private - * @param {number} min The minimum possible value. - * @param {number} max The maximum possible value. - * @returns {number} Returns a random number. - */ - function baseRandom(min, max) { - return min + floor(nativeRandom() * (max - min + 1)); - } - - /** - * The base implementation of `_.uniq` without support for callback shorthands - * or `thisArg` binding. - * - * @private - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function} [callback] The function called per iteration. - * @returns {Array} Returns a duplicate-value-free array. - */ - function baseUniq(array, isSorted, callback) { - var index = -1, - indexOf = getIndexOf(), - length = array ? array.length : 0, - result = []; - - var isLarge = !isSorted && length >= largeArraySize && indexOf === baseIndexOf, - seen = (callback || isLarge) ? getArray() : result; - - if (isLarge) { - var cache = createCache(seen); - indexOf = cacheIndexOf; - seen = cache; - } - while (++index < length) { - var value = array[index], - computed = callback ? callback(value, index, array) : value; - - if (isSorted - ? !index || seen[seen.length - 1] !== computed - : indexOf(seen, computed) < 0 - ) { - if (callback || isLarge) { - seen.push(computed); - } - result.push(value); - } - } - if (isLarge) { - releaseArray(seen.array); - releaseObject(seen); - } else if (callback) { - releaseArray(seen); - } - return result; - } - - /** - * Creates a function that aggregates a collection, creating an object composed - * of keys generated from the results of running each element of the collection - * through a callback. The given `setter` function sets the keys and values - * of the composed object. - * - * @private - * @param {Function} setter The setter function. - * @returns {Function} Returns the new aggregator function. - */ - function createAggregator(setter) { - return function(collection, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - setter(result, value, callback(value, index, collection), collection); - } - } else { - baseEach(collection, function(value, key, collection) { - setter(result, value, callback(value, key, collection), collection); - }); - } - return result; - }; - } - - /** - * Creates a function that, when called, either curries or invokes `func` - * with an optional `this` binding and partially applied arguments. - * - * @private - * @param {Function|string} func The function or method name to reference. - * @param {number} bitmask The bitmask of method flags to compose. - * The bitmask may be composed of the following flags: - * 1 - `_.bind` - * 2 - `_.bindKey` - * 4 - `_.curry` - * 8 - `_.curry` (bound) - * 16 - `_.partial` - * 32 - `_.partialRight` - * @param {Array} [partialArgs] An array of arguments to prepend to those - * provided to the new function. - * @param {Array} [partialRightArgs] An array of arguments to append to those - * provided to the new function. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {number} [arity] The arity of `func`. - * @returns {Function} Returns the new function. - */ - function createWrapper(func, bitmask, partialArgs, partialRightArgs, thisArg, arity) { - var isBind = bitmask & 1, - isBindKey = bitmask & 2, - isCurry = bitmask & 4, - isCurryBound = bitmask & 8, - isPartial = bitmask & 16, - isPartialRight = bitmask & 32; - - if (!isBindKey && !isFunction(func)) { - throw new TypeError; - } - if (isPartial && !partialArgs.length) { - bitmask &= ~16; - isPartial = partialArgs = false; - } - if (isPartialRight && !partialRightArgs.length) { - bitmask &= ~32; - isPartialRight = partialRightArgs = false; - } - var bindData = func && func.__bindData__; - if (bindData && bindData !== true) { - // clone `bindData` - bindData = slice(bindData); - if (bindData[2]) { - bindData[2] = slice(bindData[2]); - } - if (bindData[3]) { - bindData[3] = slice(bindData[3]); - } - // set `thisBinding` is not previously bound - if (isBind && !(bindData[1] & 1)) { - bindData[4] = thisArg; - } - // set if previously bound but not currently (subsequent curried functions) - if (!isBind && bindData[1] & 1) { - bitmask |= 8; - } - // set curried arity if not yet set - if (isCurry && !(bindData[1] & 4)) { - bindData[5] = arity; - } - // append partial left arguments - if (isPartial) { - push.apply(bindData[2] || (bindData[2] = []), partialArgs); - } - // append partial right arguments - if (isPartialRight) { - unshift.apply(bindData[3] || (bindData[3] = []), partialRightArgs); - } - // merge flags - bindData[1] |= bitmask; - return createWrapper.apply(null, bindData); - } - // fast path for `_.bind` - var creater = (bitmask == 1 || bitmask === 17) ? baseBind : baseCreateWrapper; - return creater([func, bitmask, partialArgs, partialRightArgs, thisArg, arity]); - } - - /** - * Creates compiled iteration functions. - * - * @private - * @param {...Object} [options] The compile options object(s). - * @param {string} [options.array] Code to determine if the iterable is an array or array-like. - * @param {boolean} [options.useHas] Specify using `hasOwnProperty` checks in the object loop. - * @param {Function} [options.keys] A reference to `_.keys` for use in own property iteration. - * @param {string} [options.args] A comma separated string of iteration function arguments. - * @param {string} [options.top] Code to execute before the iteration branches. - * @param {string} [options.loop] Code to execute in the object loop. - * @param {string} [options.bottom] Code to execute after the iteration branches. - * @returns {Function} Returns the compiled function. - */ - function createIterator() { - // data properties - iteratorData.shadowedProps = shadowedProps; - - // iterator options - iteratorData.array = iteratorData.bottom = iteratorData.loop = iteratorData.top = ''; - iteratorData.init = 'iterable'; - iteratorData.useHas = true; - - // merge options into a template data object - for (var object, index = 0; object = arguments[index]; index++) { - for (var key in object) { - iteratorData[key] = object[key]; - } - } - var args = iteratorData.args; - iteratorData.firstArg = /^[^,]+/.exec(args)[0]; - - // create the function factory - var factory = Function( - 'baseCreateCallback, errorClass, errorProto, hasOwnProperty, ' + - 'indicatorObject, isArguments, isArray, isString, keys, objectProto, ' + - 'objectTypes, nonEnumProps, stringClass, stringProto, toString', - 'return function(' + args + ') {\n' + iteratorTemplate(iteratorData) + '\n}' - ); - - // return the compiled function - return factory( - baseCreateCallback, errorClass, errorProto, hasOwnProperty, - indicatorObject, isArguments, isArray, isString, iteratorData.keys, objectProto, - objectTypes, nonEnumProps, stringClass, stringProto, toString - ); - } - - /** - * Used by `escape` to convert characters to HTML entities. - * - * @private - * @param {string} match The matched character to escape. - * @returns {string} Returns the escaped character. - */ - function escapeHtmlChar(match) { - return htmlEscapes[match]; - } - - /** - * Gets the appropriate "indexOf" function. If the `_.indexOf` method is - * customized, this method returns the custom method, otherwise it returns - * the `baseIndexOf` function. - * - * @private - * @returns {Function} Returns the "indexOf" function. - */ - function getIndexOf() { - var result = (result = lodash.indexOf) === indexOf ? baseIndexOf : result; - return result; - } - - /** - * Checks if `value` is a native function. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a native function, else `false`. - */ - function isNative(value) { - return typeof value == 'function' && reNative.test(value); - } - - /** - * Sets `this` binding data on a given function. - * - * @private - * @param {Function} func The function to set data on. - * @param {Array} value The data array to set. - */ - var setBindData = !defineProperty ? noop : function(func, value) { - descriptor.value = value; - defineProperty(func, '__bindData__', descriptor); - }; - - /** - * A fallback implementation of `isPlainObject` which checks if a given value - * is an object created by the `Object` constructor, assuming objects created - * by the `Object` constructor have no inherited enumerable properties and that - * there are no `Object.prototype` extensions. - * - * @private - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - */ - function shimIsPlainObject(value) { - var ctor, - result; - - // avoid non Object objects, `arguments` objects, and DOM elements - if (!(value && toString.call(value) == objectClass) || - (ctor = value.constructor, isFunction(ctor) && !(ctor instanceof ctor)) || - (!support.argsClass && isArguments(value)) || - (!support.nodeClass && isNode(value))) { - return false; - } - // IE < 9 iterates inherited properties before own properties. If the first - // iterated property is an object's own property then there are no inherited - // enumerable properties. - if (support.ownLast) { - forIn(value, function(value, key, object) { - result = hasOwnProperty.call(object, key); - return false; - }); - return result !== false; - } - // In most environments an object's own properties are iterated before - // its inherited properties. If the last iterated property is an object's - // own property then there are no inherited enumerable properties. - forIn(value, function(value, key) { - result = key; - }); - return typeof result == 'undefined' || hasOwnProperty.call(value, result); - } - - /** - * Used by `unescape` to convert HTML entities to characters. - * - * @private - * @param {string} match The matched character to unescape. - * @returns {string} Returns the unescaped character. - */ - function unescapeHtmlChar(match) { - return htmlUnescapes[match]; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Checks if `value` is an `arguments` object. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an `arguments` object, else `false`. - * @example - * - * (function() { return _.isArguments(arguments); })(1, 2, 3); - * // => true - * - * _.isArguments([1, 2, 3]); - * // => false - */ - function isArguments(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == argsClass || false; - } - // fallback for browsers that can't detect `arguments` objects by [[Class]] - if (!support.argsClass) { - isArguments = function(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee') || false; - }; - } - - /** - * Checks if `value` is an array. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an array, else `false`. - * @example - * - * (function() { return _.isArray(arguments); })(); - * // => false - * - * _.isArray([1, 2, 3]); - * // => true - */ - var isArray = nativeIsArray || function(value) { - return value && typeof value == 'object' && typeof value.length == 'number' && - toString.call(value) == arrayClass || false; - }; - - /** - * A fallback implementation of `Object.keys` which produces an array of the - * given object's own enumerable property names. - * - * @private - * @type Function - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - */ - var shimKeys = createIterator({ - 'args': 'object', - 'init': '[]', - 'top': 'if (!(objectTypes[typeof object])) return result', - 'loop': 'result.push(index)' - }); - - /** - * Creates an array composed of the own enumerable property names of an object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names. - * @example - * - * _.keys({ 'one': 1, 'two': 2, 'three': 3 }); - * // => ['one', 'two', 'three'] (property order is not guaranteed across environments) - */ - var keys = !nativeKeys ? shimKeys : function(object) { - if (!isObject(object)) { - return []; - } - if ((support.enumPrototypes && typeof object == 'function') || - (support.nonEnumArgs && object.length && isArguments(object))) { - return shimKeys(object); - } - return nativeKeys(object); - }; - - /** Reusable iterator options shared by `each`, `forIn`, and `forOwn` */ - var eachIteratorOptions = { - 'args': 'collection, callback, thisArg', - 'top': "callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3)", - 'array': "typeof length == 'number'", - 'keys': keys, - 'loop': 'if (callback(iterable[index], index, collection) === false) return result' - }; - - /** Reusable iterator options for `assign` and `defaults` */ - var defaultsIteratorOptions = { - 'args': 'object, source, guard', - 'top': - 'var args = arguments,\n' + - ' argsIndex = 0,\n' + - " argsLength = typeof guard == 'number' ? 2 : args.length;\n" + - 'while (++argsIndex < argsLength) {\n' + - ' iterable = args[argsIndex];\n' + - ' if (iterable && objectTypes[typeof iterable]) {', - 'keys': keys, - 'loop': "if (typeof result[index] == 'undefined') result[index] = iterable[index]", - 'bottom': ' }\n}' - }; - - /** Reusable iterator options for `forIn` and `forOwn` */ - var forOwnIteratorOptions = { - 'top': 'if (!objectTypes[typeof iterable]) return result;\n' + eachIteratorOptions.top, - 'array': false - }; - - /** - * Used to convert characters to HTML entities: - * - * Though the `>` character is escaped for symmetry, characters like `>` and `/` - * don't require escaping in HTML and have no special meaning unless they're part - * of a tag or an unquoted attribute value. - * http://mathiasbynens.be/notes/ambiguous-ampersands (under "semi-related fun fact") - */ - var htmlEscapes = { - '&': '&', - '<': '<', - '>': '>', - '"': '"', - "'": ''' - }; - - /** Used to convert HTML entities to characters */ - var htmlUnescapes = invert(htmlEscapes); - - /** Used to match HTML entities and HTML characters */ - var reEscapedHtml = RegExp('(' + keys(htmlUnescapes).join('|') + ')', 'g'), - reUnescapedHtml = RegExp('[' + keys(htmlEscapes).join('') + ']', 'g'); - - /** - * A function compiled to iterate `arguments` objects, arrays, objects, and - * strings consistenly across environments, executing the callback for each - * element in the collection. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index|key, collection). Callbacks may exit - * iteration early by explicitly returning `false`. - * - * @private - * @type Function - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - */ - var baseEach = createIterator(eachIteratorOptions); - - /*--------------------------------------------------------------------------*/ - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object. Subsequent sources will overwrite property assignments of previous - * sources. If a callback is provided it will be executed to produce the - * assigned values. The callback is bound to `thisArg` and invoked with two - * arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @type Function - * @alias extend - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize assigning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * _.assign({ 'name': 'fred' }, { 'employer': 'slate' }); - * // => { 'name': 'fred', 'employer': 'slate' } - * - * var defaults = _.partialRight(_.assign, function(a, b) { - * return typeof a == 'undefined' ? b : a; - * }); - * - * var object = { 'name': 'barney' }; - * defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var assign = createIterator(defaultsIteratorOptions, { - 'top': - defaultsIteratorOptions.top.replace(';', - ';\n' + - "if (argsLength > 3 && typeof args[argsLength - 2] == 'function') {\n" + - ' var callback = baseCreateCallback(args[--argsLength - 1], args[argsLength--], 2);\n' + - "} else if (argsLength > 2 && typeof args[argsLength - 1] == 'function') {\n" + - ' callback = args[--argsLength];\n' + - '}' - ), - 'loop': 'result[index] = callback ? callback(result[index], iterable[index]) : iterable[index]' - }); - - /** - * Creates a clone of `value`. If `isDeep` is `true` nested objects will also - * be cloned, otherwise they will be assigned by reference. If a callback - * is provided it will be executed to produce the cloned values. If the - * callback returns `undefined` cloning will be handled by the method instead. - * The callback is bound to `thisArg` and invoked with one argument; (value). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to clone. - * @param {boolean} [isDeep=false] Specify a deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var shallow = _.clone(characters); - * shallow[0] === characters[0]; - * // => true - * - * var deep = _.clone(characters, true); - * deep[0] === characters[0]; - * // => false - * - * _.mixin({ - * 'clone': _.partialRight(_.clone, function(value) { - * return _.isElement(value) ? value.cloneNode(false) : undefined; - * }) - * }); - * - * var clone = _.clone(document.body); - * clone.childNodes.length; - * // => 0 - */ - function clone(value, isDeep, callback, thisArg) { - // allows working with "Collections" methods without using their `index` - // and `collection` arguments for `isDeep` and `callback` - if (typeof isDeep != 'boolean' && isDeep != null) { - thisArg = callback; - callback = isDeep; - isDeep = false; - } - return baseClone(value, isDeep, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates a deep clone of `value`. If a callback is provided it will be - * executed to produce the cloned values. If the callback returns `undefined` - * cloning will be handled by the method instead. The callback is bound to - * `thisArg` and invoked with one argument; (value). - * - * Note: This method is loosely based on the structured clone algorithm. Functions - * and DOM nodes are **not** cloned. The enumerable properties of `arguments` objects and - * objects created by constructors other than `Object` are cloned to plain `Object` objects. - * See http://www.w3.org/TR/html5/infrastructure.html#internal-structured-cloning-algorithm. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to deep clone. - * @param {Function} [callback] The function to customize cloning values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the deep cloned value. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * var deep = _.cloneDeep(characters); - * deep[0] === characters[0]; - * // => false - * - * var view = { - * 'label': 'docs', - * 'node': element - * }; - * - * var clone = _.cloneDeep(view, function(value) { - * return _.isElement(value) ? value.cloneNode(true) : undefined; - * }); - * - * clone.node == view.node; - * // => false - */ - function cloneDeep(value, callback, thisArg) { - return baseClone(value, true, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 1)); - } - - /** - * Creates an object that inherits from the given `prototype` object. If a - * `properties` object is provided its own enumerable properties are assigned - * to the created object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} prototype The object to inherit from. - * @param {Object} [properties] The properties to assign to the object. - * @returns {Object} Returns the new object. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * function Circle() { - * Shape.call(this); - * } - * - * Circle.prototype = _.create(Shape.prototype, { 'constructor': Circle }); - * - * var circle = new Circle; - * circle instanceof Circle; - * // => true - * - * circle instanceof Shape; - * // => true - */ - function create(prototype, properties) { - var result = baseCreate(prototype); - return properties ? assign(result, properties) : result; - } - - /** - * Assigns own enumerable properties of source object(s) to the destination - * object for all destination properties that resolve to `undefined`. Once a - * property is set, additional defaults of the same property will be ignored. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param- {Object} [guard] Allows working with `_.reduce` without using its - * `key` and `object` arguments as sources. - * @returns {Object} Returns the destination object. - * @example - * - * var object = { 'name': 'barney' }; - * _.defaults(object, { 'name': 'fred', 'employer': 'slate' }); - * // => { 'name': 'barney', 'employer': 'slate' } - */ - var defaults = createIterator(defaultsIteratorOptions); - - /** - * This method is like `_.findIndex` except that it returns the key of the - * first element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': false }, - * 'fred': { 'age': 40, 'blocked': true }, - * 'pebbles': { 'age': 1, 'blocked': false } - * }; - * - * _.findKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => 'barney' (property order is not guaranteed across environments) - * - * // using "_.where" callback shorthand - * _.findKey(characters, { 'age': 1 }); - * // => 'pebbles' - * - * // using "_.pluck" callback shorthand - * _.findKey(characters, 'blocked'); - * // => 'fred' - */ - function findKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwn(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * This method is like `_.findKey` except that it iterates over elements - * of a `collection` in the opposite order. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to search. - * @param {Function|Object|string} [callback=identity] The function called per - * iteration. If a property name or object is provided it will be used to - * create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {string|undefined} Returns the key of the found element, else `undefined`. - * @example - * - * var characters = { - * 'barney': { 'age': 36, 'blocked': true }, - * 'fred': { 'age': 40, 'blocked': false }, - * 'pebbles': { 'age': 1, 'blocked': true } - * }; - * - * _.findLastKey(characters, function(chr) { - * return chr.age < 40; - * }); - * // => returns `pebbles`, assuming `_.findKey` returns `barney` - * - * // using "_.where" callback shorthand - * _.findLastKey(characters, { 'age': 40 }); - * // => 'fred' - * - * // using "_.pluck" callback shorthand - * _.findLastKey(characters, 'blocked'); - * // => 'pebbles' - */ - function findLastKey(object, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forOwnRight(object, function(value, key, object) { - if (callback(value, key, object)) { - result = key; - return false; - } - }); - return result; - } - - /** - * Iterates over own and inherited enumerable properties of an object, - * executing the callback for each property. The callback is bound to `thisArg` - * and invoked with three arguments; (value, key, object). Callbacks may exit - * iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forIn(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'x', 'y', and 'move' (property order is not guaranteed across environments) - */ - var forIn = createIterator(eachIteratorOptions, forOwnIteratorOptions, { - 'useHas': false - }); - - /** - * This method is like `_.forIn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * Shape.prototype.move = function(x, y) { - * this.x += x; - * this.y += y; - * }; - * - * _.forInRight(new Shape, function(value, key) { - * console.log(key); - * }); - * // => logs 'move', 'y', and 'x' assuming `_.forIn ` logs 'x', 'y', and 'move' - */ - function forInRight(object, callback, thisArg) { - var pairs = []; - - forIn(object, function(value, key) { - pairs.push(key, value); - }); - - var length = pairs.length; - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - if (callback(pairs[length--], pairs[length], object) === false) { - break; - } - } - return object; - } - - /** - * Iterates over own enumerable properties of an object, executing the callback - * for each property. The callback is bound to `thisArg` and invoked with three - * arguments; (value, key, object). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * @static - * @memberOf _ - * @type Function - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwn({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs '0', '1', and 'length' (property order is not guaranteed across environments) - */ - var forOwn = createIterator(eachIteratorOptions, forOwnIteratorOptions); - - /** - * This method is like `_.forOwn` except that it iterates over elements - * of a `collection` in the opposite order. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns `object`. - * @example - * - * _.forOwnRight({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) { - * console.log(key); - * }); - * // => logs 'length', '1', and '0' assuming `_.forOwn` logs '0', '1', and 'length' - */ - function forOwnRight(object, callback, thisArg) { - var props = keys(object), - length = props.length; - - callback = baseCreateCallback(callback, thisArg, 3); - while (length--) { - var key = props[length]; - if (callback(object[key], key, object) === false) { - break; - } - } - return object; - } - - /** - * Creates a sorted array of property names of all enumerable properties, - * own and inherited, of `object` that have function values. - * - * @static - * @memberOf _ - * @alias methods - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property names that have function values. - * @example - * - * _.functions(_); - * // => ['all', 'any', 'bind', 'bindAll', 'clone', 'compact', 'compose', ...] - */ - function functions(object) { - var result = []; - forIn(object, function(value, key) { - if (isFunction(value)) { - result.push(key); - } - }); - return result.sort(); - } - - /** - * Checks if the specified property name exists as a direct property of `object`, - * instead of an inherited property. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to check. - * @returns {boolean} Returns `true` if key is a direct property, else `false`. - * @example - * - * _.has({ 'a': 1, 'b': 2, 'c': 3 }, 'b'); - * // => true - */ - function has(object, key) { - return object ? hasOwnProperty.call(object, key) : false; - } - - /** - * Creates an object composed of the inverted keys and values of the given object. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to invert. - * @returns {Object} Returns the created inverted object. - * @example - * - * _.invert({ 'first': 'fred', 'second': 'barney' }); - * // => { 'fred': 'first', 'barney': 'second' } - */ - function invert(object) { - var index = -1, - props = keys(object), - length = props.length, - result = {}; - - while (++index < length) { - var key = props[index]; - result[object[key]] = key; - } - return result; - } - - /** - * Checks if `value` is a boolean value. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a boolean value, else `false`. - * @example - * - * _.isBoolean(null); - * // => false - */ - function isBoolean(value) { - return value === true || value === false || - value && typeof value == 'object' && toString.call(value) == boolClass || false; - } - - /** - * Checks if `value` is a date. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a date, else `false`. - * @example - * - * _.isDate(new Date); - * // => true - */ - function isDate(value) { - return value && typeof value == 'object' && toString.call(value) == dateClass || false; - } - - /** - * Checks if `value` is a DOM element. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a DOM element, else `false`. - * @example - * - * _.isElement(document.body); - * // => true - */ - function isElement(value) { - return value && value.nodeType === 1 || false; - } - - /** - * Checks if `value` is empty. Arrays, strings, or `arguments` objects with a - * length of `0` and objects with no own enumerable properties are considered - * "empty". - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object|string} value The value to inspect. - * @returns {boolean} Returns `true` if the `value` is empty, else `false`. - * @example - * - * _.isEmpty([1, 2, 3]); - * // => false - * - * _.isEmpty({}); - * // => true - * - * _.isEmpty(''); - * // => true - */ - function isEmpty(value) { - var result = true; - if (!value) { - return result; - } - var className = toString.call(value), - length = value.length; - - if ((className == arrayClass || className == stringClass || - (support.argsClass ? className == argsClass : isArguments(value))) || - (className == objectClass && typeof length == 'number' && isFunction(value.splice))) { - return !length; - } - forOwn(value, function() { - return (result = false); - }); - return result; - } - - /** - * Performs a deep comparison between two values to determine if they are - * equivalent to each other. If a callback is provided it will be executed - * to compare values. If the callback returns `undefined` comparisons will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (a, b). - * - * @static - * @memberOf _ - * @category Objects - * @param {*} a The value to compare. - * @param {*} b The other value to compare. - * @param {Function} [callback] The function to customize comparing values. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if the values are equivalent, else `false`. - * @example - * - * var object = { 'name': 'fred' }; - * var copy = { 'name': 'fred' }; - * - * object == copy; - * // => false - * - * _.isEqual(object, copy); - * // => true - * - * var words = ['hello', 'goodbye']; - * var otherWords = ['hi', 'goodbye']; - * - * _.isEqual(words, otherWords, function(a, b) { - * var reGreet = /^(?:hello|hi)$/i, - * aGreet = _.isString(a) && reGreet.test(a), - * bGreet = _.isString(b) && reGreet.test(b); - * - * return (aGreet || bGreet) ? (aGreet == bGreet) : undefined; - * }); - * // => true - */ - function isEqual(a, b, callback, thisArg) { - return baseIsEqual(a, b, typeof callback == 'function' && baseCreateCallback(callback, thisArg, 2)); - } - - /** - * Checks if `value` is, or can be coerced to, a finite number. - * - * Note: This is not the same as native `isFinite` which will return true for - * booleans and empty strings. See http://es5.github.io/#x15.1.2.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is finite, else `false`. - * @example - * - * _.isFinite(-101); - * // => true - * - * _.isFinite('10'); - * // => true - * - * _.isFinite(true); - * // => false - * - * _.isFinite(''); - * // => false - * - * _.isFinite(Infinity); - * // => false - */ - function isFinite(value) { - return nativeIsFinite(value) && !nativeIsNaN(parseFloat(value)); - } - - /** - * Checks if `value` is a function. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a function, else `false`. - * @example - * - * _.isFunction(_); - * // => true - */ - function isFunction(value) { - return typeof value == 'function'; - } - // fallback for older versions of Chrome and Safari - if (isFunction(/x/)) { - isFunction = function(value) { - return typeof value == 'function' && toString.call(value) == funcClass; - }; - } - - /** - * Checks if `value` is the language type of Object. - * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is an object, else `false`. - * @example - * - * _.isObject({}); - * // => true - * - * _.isObject([1, 2, 3]); - * // => true - * - * _.isObject(1); - * // => false - */ - function isObject(value) { - // check if the value is the ECMAScript language type of Object - // http://es5.github.io/#x8 - // and avoid a V8 bug - // http://code.google.com/p/v8/issues/detail?id=2291 - return !!(value && objectTypes[typeof value]); - } - - /** - * Checks if `value` is `NaN`. - * - * Note: This is not the same as native `isNaN` which will return `true` for - * `undefined` and other non-numeric values. See http://es5.github.io/#x15.1.2.4. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `NaN`, else `false`. - * @example - * - * _.isNaN(NaN); - * // => true - * - * _.isNaN(new Number(NaN)); - * // => true - * - * isNaN(undefined); - * // => true - * - * _.isNaN(undefined); - * // => false - */ - function isNaN(value) { - // `NaN` as a primitive is the only value that is not equal to itself - // (perform the [[Class]] check first to avoid errors with some host objects in IE) - return isNumber(value) && value != +value; - } - - /** - * Checks if `value` is `null`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `null`, else `false`. - * @example - * - * _.isNull(null); - * // => true - * - * _.isNull(undefined); - * // => false - */ - function isNull(value) { - return value === null; - } - - /** - * Checks if `value` is a number. - * - * Note: `NaN` is considered a number. See http://es5.github.io/#x8.5. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a number, else `false`. - * @example - * - * _.isNumber(8.4 * 5); - * // => true - */ - function isNumber(value) { - return typeof value == 'number' || - value && typeof value == 'object' && toString.call(value) == numberClass || false; - } - - /** - * Checks if `value` is an object created by the `Object` constructor. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. - * @example - * - * function Shape() { - * this.x = 0; - * this.y = 0; - * } - * - * _.isPlainObject(new Shape); - * // => false - * - * _.isPlainObject([1, 2, 3]); - * // => false - * - * _.isPlainObject({ 'x': 0, 'y': 0 }); - * // => true - */ - var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) { - if (!(value && toString.call(value) == objectClass) || (!support.argsClass && isArguments(value))) { - return false; - } - var valueOf = value.valueOf, - objProto = isNative(valueOf) && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto); - - return objProto - ? (value == objProto || getPrototypeOf(value) == objProto) - : shimIsPlainObject(value); - }; - - /** - * Checks if `value` is a regular expression. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a regular expression, else `false`. - * @example - * - * _.isRegExp(/fred/); - * // => true - */ - function isRegExp(value) { - return value && objectTypes[typeof value] && toString.call(value) == regexpClass || false; - } - - /** - * Checks if `value` is a string. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is a string, else `false`. - * @example - * - * _.isString('fred'); - * // => true - */ - function isString(value) { - return typeof value == 'string' || - value && typeof value == 'object' && toString.call(value) == stringClass || false; - } - - /** - * Checks if `value` is `undefined`. - * - * @static - * @memberOf _ - * @category Objects - * @param {*} value The value to check. - * @returns {boolean} Returns `true` if the `value` is `undefined`, else `false`. - * @example - * - * _.isUndefined(void 0); - * // => true - */ - function isUndefined(value) { - return typeof value == 'undefined'; - } - - /** - * Creates an object with the same keys as `object` and values generated by - * running each own enumerable property of `object` through the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new object with values of the results of each `callback` execution. - * @example - * - * _.mapValues({ 'a': 1, 'b': 2, 'c': 3} , function(num) { return num * 3; }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - * - * var characters = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // using "_.pluck" callback shorthand - * _.mapValues(characters, 'age'); - * // => { 'fred': 40, 'pebbles': 1 } - */ - function mapValues(object, callback, thisArg) { - var result = {}; - callback = lodash.createCallback(callback, thisArg, 3); - - forOwn(object, function(value, key, object) { - result[key] = callback(value, key, object); - }); - return result; - } - - /** - * Recursively merges own enumerable properties of the source object(s), that - * don't resolve to `undefined` into the destination object. Subsequent sources - * will overwrite property assignments of previous sources. If a callback is - * provided it will be executed to produce the merged values of the destination - * and source properties. If the callback returns `undefined` merging will - * be handled by the method instead. The callback is bound to `thisArg` and - * invoked with two arguments; (objectValue, sourceValue). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The destination object. - * @param {...Object} [source] The source objects. - * @param {Function} [callback] The function to customize merging properties. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the destination object. - * @example - * - * var names = { - * 'characters': [ - * { 'name': 'barney' }, - * { 'name': 'fred' } - * ] - * }; - * - * var ages = { - * 'characters': [ - * { 'age': 36 }, - * { 'age': 40 } - * ] - * }; - * - * _.merge(names, ages); - * // => { 'characters': [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] } - * - * var food = { - * 'fruits': ['apple'], - * 'vegetables': ['beet'] - * }; - * - * var otherFood = { - * 'fruits': ['banana'], - * 'vegetables': ['carrot'] - * }; - * - * _.merge(food, otherFood, function(a, b) { - * return _.isArray(a) ? a.concat(b) : undefined; - * }); - * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot] } - */ - function merge(object) { - var args = arguments, - length = 2; - - if (!isObject(object)) { - return object; - } - // allows working with `_.reduce` and `_.reduceRight` without using - // their `index` and `collection` arguments - if (typeof args[2] != 'number') { - length = args.length; - } - if (length > 3 && typeof args[length - 2] == 'function') { - var callback = baseCreateCallback(args[--length - 1], args[length--], 2); - } else if (length > 2 && typeof args[length - 1] == 'function') { - callback = args[--length]; - } - var sources = slice(arguments, 1, length), - index = -1, - stackA = getArray(), - stackB = getArray(); - - while (++index < length) { - baseMerge(object, sources[index], callback, stackA, stackB); - } - releaseArray(stackA); - releaseArray(stackB); - return object; - } - - /** - * Creates a shallow clone of `object` excluding the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` omitting the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The properties to omit or the - * function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object without the omitted properties. - * @example - * - * _.omit({ 'name': 'fred', 'age': 40 }, 'age'); - * // => { 'name': 'fred' } - * - * _.omit({ 'name': 'fred', 'age': 40 }, function(value) { - * return typeof value == 'number'; - * }); - * // => { 'name': 'fred' } - */ - function omit(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var props = []; - forIn(object, function(value, key) { - props.push(key); - }); - props = baseDifference(props, baseFlatten(arguments, true, false, 1)); - - var index = -1, - length = props.length; - - while (++index < length) { - var key = props[index]; - result[key] = object[key]; - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (!callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * Creates a two dimensional array of an object's key-value pairs, - * i.e. `[[key1, value1], [key2, value2]]`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns new array of key-value pairs. - * @example - * - * _.pairs({ 'barney': 36, 'fred': 40 }); - * // => [['barney', 36], ['fred', 40]] (property order is not guaranteed across environments) - */ - function pairs(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - var key = props[index]; - result[index] = [key, object[key]]; - } - return result; - } - - /** - * Creates a shallow clone of `object` composed of the specified properties. - * Property names may be specified as individual arguments or as arrays of - * property names. If a callback is provided it will be executed for each - * property of `object` picking the properties the callback returns truey - * for. The callback is bound to `thisArg` and invoked with three arguments; - * (value, key, object). - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The source object. - * @param {Function|...string|string[]} [callback] The function called per - * iteration or property names to pick, specified as individual property - * names or arrays of property names. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns an object composed of the picked properties. - * @example - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, 'name'); - * // => { 'name': 'fred' } - * - * _.pick({ 'name': 'fred', '_userid': 'fred1' }, function(value, key) { - * return key.charAt(0) != '_'; - * }); - * // => { 'name': 'fred' } - */ - function pick(object, callback, thisArg) { - var result = {}; - if (typeof callback != 'function') { - var index = -1, - props = baseFlatten(arguments, true, false, 1), - length = isObject(object) ? props.length : 0; - - while (++index < length) { - var key = props[index]; - if (key in object) { - result[key] = object[key]; - } - } - } else { - callback = lodash.createCallback(callback, thisArg, 3); - forIn(object, function(value, key, object) { - if (callback(value, key, object)) { - result[key] = value; - } - }); - } - return result; - } - - /** - * An alternative to `_.reduce` this method transforms `object` to a new - * `accumulator` object which is the result of running each of its own - * enumerable properties through a callback, with each callback execution - * potentially mutating the `accumulator` object. The callback is bound to - * `thisArg` and invoked with four arguments; (accumulator, value, key, object). - * Callbacks may exit iteration early by explicitly returning `false`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Array|Object} object The object to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] The custom accumulator value. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var squares = _.transform([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], function(result, num) { - * num *= num; - * if (num % 2) { - * return result.push(num) < 3; - * } - * }); - * // => [1, 9, 25] - * - * var mapped = _.transform({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * }); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function transform(object, callback, accumulator, thisArg) { - var isArr = isArray(object); - if (accumulator == null) { - if (isArr) { - accumulator = []; - } else { - var ctor = object && object.constructor, - proto = ctor && ctor.prototype; - - accumulator = baseCreate(proto); - } - } - if (callback) { - callback = lodash.createCallback(callback, thisArg, 4); - (isArr ? baseEach : forOwn)(object, function(value, index, object) { - return callback(accumulator, value, index, object); - }); - } - return accumulator; - } - - /** - * Creates an array composed of the own enumerable property values of `object`. - * - * @static - * @memberOf _ - * @category Objects - * @param {Object} object The object to inspect. - * @returns {Array} Returns an array of property values. - * @example - * - * _.values({ 'one': 1, 'two': 2, 'three': 3 }); - * // => [1, 2, 3] (property order is not guaranteed across environments) - */ - function values(object) { - var index = -1, - props = keys(object), - length = props.length, - result = Array(length); - - while (++index < length) { - result[index] = object[props[index]]; - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array of elements from the specified indexes, or keys, of the - * `collection`. Indexes may be specified as individual arguments or as arrays - * of indexes. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {...(number|number[]|string|string[])} [index] The indexes of `collection` - * to retrieve, specified as individual indexes or arrays of indexes. - * @returns {Array} Returns a new array of elements corresponding to the - * provided indexes. - * @example - * - * _.at(['a', 'b', 'c', 'd', 'e'], [0, 2, 4]); - * // => ['a', 'c', 'e'] - * - * _.at(['fred', 'barney', 'pebbles'], 0, 2); - * // => ['fred', 'pebbles'] - */ - function at(collection) { - var args = arguments, - index = -1, - props = baseFlatten(args, true, false, 1), - length = (args[2] && args[2][args[1]] === collection) ? 1 : props.length, - result = Array(length); - - if (support.unindexedChars && isString(collection)) { - collection = collection.split(''); - } - while(++index < length) { - result[index] = collection[props[index]]; - } - return result; - } - - /** - * Checks if a given value is present in a collection using strict equality - * for comparisons, i.e. `===`. If `fromIndex` is negative, it is used as the - * offset from the end of the collection. - * - * @static - * @memberOf _ - * @alias include - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {*} target The value to check for. - * @param {number} [fromIndex=0] The index to search from. - * @returns {boolean} Returns `true` if the `target` element is found, else `false`. - * @example - * - * _.contains([1, 2, 3], 1); - * // => true - * - * _.contains([1, 2, 3], 1, 2); - * // => false - * - * _.contains({ 'name': 'fred', 'age': 40 }, 'fred'); - * // => true - * - * _.contains('pebbles', 'eb'); - * // => true - */ - function contains(collection, target, fromIndex) { - var index = -1, - indexOf = getIndexOf(), - length = collection ? collection.length : 0, - result = false; - - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) || 0; - if (isArray(collection)) { - result = indexOf(collection, target, fromIndex) > -1; - } else if (typeof length == 'number') { - result = (isString(collection) ? collection.indexOf(target, fromIndex) : indexOf(collection, target, fromIndex)) > -1; - } else { - baseEach(collection, function(value) { - if (++index >= fromIndex) { - return !(result = value === target); - } - }); - } - return result; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of `collection` through the callback. The corresponding value - * of each key is the number of times the key was returned by the callback. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': 1, '6': 2 } - * - * _.countBy([4.3, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': 1, '6': 2 } - * - * _.countBy(['one', 'two', 'three'], 'length'); - * // => { '3': 2, '5': 1 } - */ - var countBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key]++ : result[key] = 1); - }); - - /** - * Checks if the given callback returns truey value for **all** elements of - * a collection. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias all - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if all elements passed the callback check, - * else `false`. - * @example - * - * _.every([true, 1, null, 'yes']); - * // => false - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.every(characters, 'age'); - * // => true - * - * // using "_.where" callback shorthand - * _.every(characters, { 'age': 36 }); - * // => false - */ - function every(collection, callback, thisArg) { - var result = true; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if (!(result = !!callback(collection[index], index, collection))) { - break; - } - } - } else { - baseEach(collection, function(value, index, collection) { - return (result = !!callback(value, index, collection)); - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning an array of all elements - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias select - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that passed the callback check. - * @example - * - * var evens = _.filter([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [2, 4, 6] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.filter(characters, 'blocked'); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - * - * // using "_.where" callback shorthand - * _.filter(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - */ - function filter(collection, callback, thisArg) { - var result = []; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - result.push(value); - } - } - } else { - baseEach(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result.push(value); - } - }); - } - return result; - } - - /** - * Iterates over elements of a collection, returning the first element that - * the callback returns truey for. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias detect, findWhere - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.find(characters, function(chr) { - * return chr.age < 40; - * }); - * // => { 'name': 'barney', 'age': 36, 'blocked': false } - * - * // using "_.where" callback shorthand - * _.find(characters, { 'age': 1 }); - * // => { 'name': 'pebbles', 'age': 1, 'blocked': false } - * - * // using "_.pluck" callback shorthand - * _.find(characters, 'blocked'); - * // => { 'name': 'fred', 'age': 40, 'blocked': true } - */ - function find(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (callback(value, index, collection)) { - return value; - } - } - } else { - var result; - baseEach(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - } - - /** - * This method is like `_.find` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the found element, else `undefined`. - * @example - * - * _.findLast([1, 2, 3, 4], function(num) { - * return num % 2 == 1; - * }); - * // => 3 - */ - function findLast(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - forEachRight(collection, function(value, index, collection) { - if (callback(value, index, collection)) { - result = value; - return false; - } - }); - return result; - } - - /** - * Iterates over elements of a collection, executing the callback for each - * element. The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). Callbacks may exit iteration early by - * explicitly returning `false`. - * - * Note: As with other "Collections" methods, objects with a `length` property - * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn` - * may be used for object iteration. - * - * @static - * @memberOf _ - * @alias each - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEach(function(num) { console.log(num); }).join(','); - * // => logs each number and returns '1,2,3' - * - * _.forEach({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { console.log(num); }); - * // => logs each number and returns the object (property order is not guaranteed across environments) - */ - function forEach(collection, callback, thisArg) { - if (callback && typeof thisArg == 'undefined' && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if (callback(collection[index], index, collection) === false) { - break; - } - } - } else { - baseEach(collection, callback, thisArg); - } - return collection; - } - - /** - * This method is like `_.forEach` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias eachRight - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array|Object|string} Returns `collection`. - * @example - * - * _([1, 2, 3]).forEachRight(function(num) { console.log(num); }).join(','); - * // => logs each number from right to left and returns '3,2,1' - */ - function forEachRight(collection, callback, thisArg) { - var iterable = collection, - length = collection ? collection.length : 0; - - callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3); - if (isArray(collection)) { - while (length--) { - if (callback(collection[length], length, collection) === false) { - break; - } - } - } else { - if (typeof length != 'number') { - var props = keys(collection); - length = props.length; - } else if (support.unindexedChars && isString(collection)) { - iterable = collection.split(''); - } - baseEach(collection, function(value, key, collection) { - key = props ? props[--length] : --length; - return callback(iterable[key], key, collection); - }); - } - return collection; - } - - /** - * Creates an object composed of keys generated from the results of running - * each element of a collection through the callback. The corresponding value - * of each key is an array of the elements responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false` - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return Math.floor(num); }); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * _.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math); - * // => { '4': [4.2], '6': [6.1, 6.4] } - * - * // using "_.pluck" callback shorthand - * _.groupBy(['one', 'two', 'three'], 'length'); - * // => { '3': ['one', 'two'], '5': ['three'] } - */ - var groupBy = createAggregator(function(result, value, key) { - (hasOwnProperty.call(result, key) ? result[key] : result[key] = []).push(value); - }); - - /** - * Creates an object composed of keys generated from the results of running - * each element of the collection through the given callback. The corresponding - * value of each key is the last element responsible for generating the key. - * The callback is bound to `thisArg` and invoked with three arguments; - * (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Object} Returns the composed aggregate object. - * @example - * - * var keys = [ - * { 'dir': 'left', 'code': 97 }, - * { 'dir': 'right', 'code': 100 } - * ]; - * - * _.indexBy(keys, 'dir'); - * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(keys, function(key) { return String.fromCharCode(key.code); }); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - * - * _.indexBy(characters, function(key) { this.fromCharCode(key.code); }, String); - * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } - */ - var indexBy = createAggregator(function(result, value, key) { - result[key] = value; - }); - - /** - * Invokes the method named by `methodName` on each element in the `collection` - * returning an array of the results of each invoked method. Additional arguments - * will be provided to each invoked method. If `methodName` is a function it - * will be invoked for, and `this` bound to, each element in the `collection`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|string} methodName The name of the method to invoke or - * the function invoked per iteration. - * @param {...*} [arg] Arguments to invoke the method with. - * @returns {Array} Returns a new array of the results of each invoked method. - * @example - * - * _.invoke([[5, 1, 7], [3, 2, 1]], 'sort'); - * // => [[1, 5, 7], [1, 2, 3]] - * - * _.invoke([123, 456], String.prototype.split, ''); - * // => [['1', '2', '3'], ['4', '5', '6']] - */ - function invoke(collection, methodName) { - var args = slice(arguments, 2), - index = -1, - isFunc = typeof methodName == 'function', - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args); - }); - return result; - } - - /** - * Creates an array of values by running each element in the collection - * through the callback. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias collect - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of the results of each `callback` execution. - * @example - * - * _.map([1, 2, 3], function(num) { return num * 3; }); - * // => [3, 6, 9] - * - * _.map({ 'one': 1, 'two': 2, 'three': 3 }, function(num) { return num * 3; }); - * // => [3, 6, 9] (property order is not guaranteed across environments) - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(characters, 'name'); - * // => ['barney', 'fred'] - */ - function map(collection, callback, thisArg) { - var index = -1, - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - callback = lodash.createCallback(callback, thisArg, 3); - if (isArray(collection)) { - while (++index < length) { - result[index] = callback(collection[index], index, collection); - } - } else { - baseEach(collection, function(value, key, collection) { - result[++index] = callback(value, key, collection); - }); - } - return result; - } - - /** - * Retrieves the maximum value of a collection. If the collection is empty or - * falsey `-Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the maximum value. - * @example - * - * _.max([4, 2, 8, 6]); - * // => 8 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.max(characters, function(chr) { return chr.age; }); - * // => { 'name': 'fred', 'age': 40 }; - * - * // using "_.pluck" callback shorthand - * _.max(characters, 'age'); - * // => { 'name': 'fred', 'age': 40 }; - */ - function max(collection, callback, thisArg) { - var computed = -Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value > result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - baseEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current > computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the minimum value of a collection. If the collection is empty or - * falsey `Infinity` is returned. If a callback is provided it will be executed - * for each value in the collection to generate the criterion by which the value - * is ranked. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the minimum value. - * @example - * - * _.min([4, 2, 8, 6]); - * // => 2 - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.min(characters, function(chr) { return chr.age; }); - * // => { 'name': 'barney', 'age': 36 }; - * - * // using "_.pluck" callback shorthand - * _.min(characters, 'age'); - * // => { 'name': 'barney', 'age': 36 }; - */ - function min(collection, callback, thisArg) { - var computed = Infinity, - result = computed; - - // allows working with functions like `_.map` without using - // their `index` argument as a callback - if (typeof callback != 'function' && thisArg && thisArg[callback] === collection) { - callback = null; - } - if (callback == null && isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - var value = collection[index]; - if (value < result) { - result = value; - } - } - } else { - callback = (callback == null && isString(collection)) - ? charAtCallback - : lodash.createCallback(callback, thisArg, 3); - - baseEach(collection, function(value, index, collection) { - var current = callback(value, index, collection); - if (current < computed) { - computed = current; - result = value; - } - }); - } - return result; - } - - /** - * Retrieves the value of a specified property from all elements in the collection. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {string} property The name of the property to pluck. - * @returns {Array} Returns a new array of property values. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * _.pluck(characters, 'name'); - * // => ['barney', 'fred'] - */ - var pluck = map; - - /** - * Reduces a collection to a value which is the accumulated result of running - * each element in the collection through the callback, where each successive - * callback execution consumes the return value of the previous execution. If - * `accumulator` is not provided the first element of the collection will be - * used as the initial `accumulator` value. The callback is bound to `thisArg` - * and invoked with four arguments; (accumulator, value, index|key, collection). - * - * @static - * @memberOf _ - * @alias foldl, inject - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var sum = _.reduce([1, 2, 3], function(sum, num) { - * return sum + num; - * }); - * // => 6 - * - * var mapped = _.reduce({ 'a': 1, 'b': 2, 'c': 3 }, function(result, num, key) { - * result[key] = num * 3; - * return result; - * }, {}); - * // => { 'a': 3, 'b': 6, 'c': 9 } - */ - function reduce(collection, callback, accumulator, thisArg) { - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - if (noaccum) { - accumulator = collection[++index]; - } - while (++index < length) { - accumulator = callback(accumulator, collection[index], index, collection); - } - } else { - baseEach(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection) - }); - } - return accumulator; - } - - /** - * This method is like `_.reduce` except that it iterates over elements - * of a `collection` from right to left. - * - * @static - * @memberOf _ - * @alias foldr - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function} [callback=identity] The function called per iteration. - * @param {*} [accumulator] Initial value of the accumulator. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the accumulated value. - * @example - * - * var list = [[0, 1], [2, 3], [4, 5]]; - * var flat = _.reduceRight(list, function(a, b) { return a.concat(b); }, []); - * // => [4, 5, 2, 3, 0, 1] - */ - function reduceRight(collection, callback, accumulator, thisArg) { - var noaccum = arguments.length < 3; - callback = lodash.createCallback(callback, thisArg, 4); - forEachRight(collection, function(value, index, collection) { - accumulator = noaccum - ? (noaccum = false, value) - : callback(accumulator, value, index, collection); - }); - return accumulator; - } - - /** - * The opposite of `_.filter` this method returns the elements of a - * collection that the callback does **not** return truey for. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of elements that failed the callback check. - * @example - * - * var odds = _.reject([1, 2, 3, 4, 5, 6], function(num) { return num % 2 == 0; }); - * // => [1, 3, 5] - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.reject(characters, 'blocked'); - * // => [{ 'name': 'barney', 'age': 36, 'blocked': false }] - * - * // using "_.where" callback shorthand - * _.reject(characters, { 'age': 36 }); - * // => [{ 'name': 'fred', 'age': 40, 'blocked': true }] - */ - function reject(collection, callback, thisArg) { - callback = lodash.createCallback(callback, thisArg, 3); - return filter(collection, function(value, index, collection) { - return !callback(value, index, collection); - }); - } - - /** - * Retrieves a random element or `n` random elements from a collection. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to sample. - * @param {number} [n] The number of elements to sample. - * @param- {Object} [guard] Allows working with functions like `_.map` - * without using their `index` arguments as `n`. - * @returns {Array} Returns the random sample(s) of `collection`. - * @example - * - * _.sample([1, 2, 3, 4]); - * // => 2 - * - * _.sample([1, 2, 3, 4], 2); - * // => [3, 1] - */ - function sample(collection, n, guard) { - if (collection && typeof collection.length != 'number') { - collection = values(collection); - } else if (support.unindexedChars && isString(collection)) { - collection = collection.split(''); - } - if (n == null || guard) { - return collection ? collection[baseRandom(0, collection.length - 1)] : undefined; - } - var result = shuffle(collection); - result.length = nativeMin(nativeMax(0, n), result.length); - return result; - } - - /** - * Creates an array of shuffled values, using a version of the Fisher-Yates - * shuffle. See http://en.wikipedia.org/wiki/Fisher-Yates_shuffle. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to shuffle. - * @returns {Array} Returns a new shuffled collection. - * @example - * - * _.shuffle([1, 2, 3, 4, 5, 6]); - * // => [4, 1, 6, 3, 5, 2] - */ - function shuffle(collection) { - var index = -1, - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - forEach(collection, function(value) { - var rand = baseRandom(0, ++index); - result[index] = result[rand]; - result[rand] = value; - }); - return result; - } - - /** - * Gets the size of the `collection` by returning `collection.length` for arrays - * and array-like objects or the number of own enumerable properties for objects. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to inspect. - * @returns {number} Returns `collection.length` or number of own enumerable properties. - * @example - * - * _.size([1, 2]); - * // => 2 - * - * _.size({ 'one': 1, 'two': 2, 'three': 3 }); - * // => 3 - * - * _.size('pebbles'); - * // => 7 - */ - function size(collection) { - var length = collection ? collection.length : 0; - return typeof length == 'number' ? length : keys(collection).length; - } - - /** - * Checks if the callback returns a truey value for **any** element of a - * collection. The function returns as soon as it finds a passing value and - * does not iterate over the entire collection. The callback is bound to - * `thisArg` and invoked with three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias any - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {boolean} Returns `true` if any element passed the callback check, - * else `false`. - * @example - * - * _.some([null, 0, 'yes', false], Boolean); - * // => true - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true } - * ]; - * - * // using "_.pluck" callback shorthand - * _.some(characters, 'blocked'); - * // => true - * - * // using "_.where" callback shorthand - * _.some(characters, { 'age': 1 }); - * // => false - */ - function some(collection, callback, thisArg) { - var result; - callback = lodash.createCallback(callback, thisArg, 3); - - if (isArray(collection)) { - var index = -1, - length = collection.length; - - while (++index < length) { - if ((result = callback(collection[index], index, collection))) { - break; - } - } - } else { - baseEach(collection, function(value, index, collection) { - return !(result = callback(value, index, collection)); - }); - } - return !!result; - } - - /** - * Creates an array of elements, sorted in ascending order by the results of - * running each element in a collection through the callback. This method - * performs a stable sort, that is, it will preserve the original sort order - * of equal elements. The callback is bound to `thisArg` and invoked with - * three arguments; (value, index|key, collection). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an array of property names is provided for `callback` the collection - * will be sorted by each property value. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Array|Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of sorted elements. - * @example - * - * _.sortBy([1, 2, 3], function(num) { return Math.sin(num); }); - * // => [3, 1, 2] - * - * _.sortBy([1, 2, 3], function(num) { return this.sin(num); }, Math); - * // => [3, 1, 2] - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 26 }, - * { 'name': 'fred', 'age': 30 } - * ]; - * - * // using "_.pluck" callback shorthand - * _.map(_.sortBy(characters, 'age'), _.values); - * // => [['barney', 26], ['fred', 30], ['barney', 36], ['fred', 40]] - * - * // sorting by multiple properties - * _.map(_.sortBy(characters, ['name', 'age']), _.values); - * // = > [['barney', 26], ['barney', 36], ['fred', 30], ['fred', 40]] - */ - function sortBy(collection, callback, thisArg) { - var index = -1, - isArr = isArray(callback), - length = collection ? collection.length : 0, - result = Array(typeof length == 'number' ? length : 0); - - if (!isArr) { - callback = lodash.createCallback(callback, thisArg, 3); - } - forEach(collection, function(value, key, collection) { - var object = result[++index] = getObject(); - if (isArr) { - object.criteria = map(callback, function(key) { return value[key]; }); - } else { - (object.criteria = getArray())[0] = callback(value, key, collection); - } - object.index = index; - object.value = value; - }); - - length = result.length; - result.sort(compareAscending); - while (length--) { - var object = result[length]; - result[length] = object.value; - if (!isArr) { - releaseArray(object.criteria); - } - releaseObject(object); - } - return result; - } - - /** - * Converts the `collection` to an array. - * - * @static - * @memberOf _ - * @category Collections - * @param {Array|Object|string} collection The collection to convert. - * @returns {Array} Returns the new converted array. - * @example - * - * (function() { return _.toArray(arguments).slice(1); })(1, 2, 3, 4); - * // => [2, 3, 4] - */ - function toArray(collection) { - if (collection && typeof collection.length == 'number') { - return (support.unindexedChars && isString(collection)) - ? collection.split('') - : slice(collection); - } - return values(collection); - } - - /** - * Performs a deep comparison of each element in a `collection` to the given - * `properties` object, returning an array of all elements that have equivalent - * property values. - * - * @static - * @memberOf _ - * @type Function - * @category Collections - * @param {Array|Object|string} collection The collection to iterate over. - * @param {Object} props The object of property values to filter by. - * @returns {Array} Returns a new array of elements that have the given properties. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * _.where(characters, { 'age': 36 }); - * // => [{ 'name': 'barney', 'age': 36, 'pets': ['hoppy'] }] - * - * _.where(characters, { 'pets': ['dino'] }); - * // => [{ 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] }] - */ - var where = filter; - - /*--------------------------------------------------------------------------*/ - - /** - * Creates an array with all falsey values removed. The values `false`, `null`, - * `0`, `""`, `undefined`, and `NaN` are all falsey. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to compact. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.compact([0, 1, false, 2, '', 3]); - * // => [1, 2, 3] - */ - function compact(array) { - var index = -1, - length = array ? array.length : 0, - result = []; - - while (++index < length) { - var value = array[index]; - if (value) { - result.push(value); - } - } - return result; - } - - /** - * Creates an array excluding all values of the provided arrays using strict - * equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to process. - * @param {...Array} [values] The arrays of values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.difference([1, 2, 3, 4, 5], [5, 2, 10]); - * // => [1, 3, 4] - */ - function difference(array) { - return baseDifference(array, baseFlatten(arguments, true, true, 1)); - } - - /** - * This method is like `_.find` except that it returns the index of the first - * element that passes the callback check, instead of the element itself. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': false }, - * { 'name': 'fred', 'age': 40, 'blocked': true }, - * { 'name': 'pebbles', 'age': 1, 'blocked': false } - * ]; - * - * _.findIndex(characters, function(chr) { - * return chr.age < 20; - * }); - * // => 2 - * - * // using "_.where" callback shorthand - * _.findIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findIndex(characters, 'blocked'); - * // => 1 - */ - function findIndex(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - if (callback(array[index], index, array)) { - return index; - } - } - return -1; - } - - /** - * This method is like `_.findIndex` except that it iterates over elements - * of a `collection` from right to left. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index of the found element, else `-1`. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36, 'blocked': true }, - * { 'name': 'fred', 'age': 40, 'blocked': false }, - * { 'name': 'pebbles', 'age': 1, 'blocked': true } - * ]; - * - * _.findLastIndex(characters, function(chr) { - * return chr.age > 30; - * }); - * // => 1 - * - * // using "_.where" callback shorthand - * _.findLastIndex(characters, { 'age': 36 }); - * // => 0 - * - * // using "_.pluck" callback shorthand - * _.findLastIndex(characters, 'blocked'); - * // => 2 - */ - function findLastIndex(array, callback, thisArg) { - var length = array ? array.length : 0; - callback = lodash.createCallback(callback, thisArg, 3); - while (length--) { - if (callback(array[length], length, array)) { - return length; - } - } - return -1; - } - - /** - * Gets the first element or first `n` elements of an array. If a callback - * is provided elements at the beginning of the array are returned as long - * as the callback returns truey. The callback is bound to `thisArg` and - * invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias head, take - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the first element(s) of `array`. - * @example - * - * _.first([1, 2, 3]); - * // => 1 - * - * _.first([1, 2, 3], 2); - * // => [1, 2] - * - * _.first([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [1, 2] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.first(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': true, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.first(characters, { 'employer': 'slate' }), 'name'); - * // => ['barney', 'fred'] - */ - function first(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = -1; - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[0] : undefined; - } - } - return slice(array, 0, nativeMin(nativeMax(0, n), length)); - } - - /** - * Flattens a nested array (the nesting can be to any depth). If `isShallow` - * is truey, the array will only be flattened a single level. If a callback - * is provided each element of the array is passed through the callback before - * flattening. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to flatten. - * @param {boolean} [isShallow=false] A flag to restrict flattening to a single level. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new flattened array. - * @example - * - * _.flatten([1, [2], [3, [[4]]]]); - * // => [1, 2, 3, 4]; - * - * _.flatten([1, [2], [3, [[4]]]], true); - * // => [1, 2, 3, [[4]]]; - * - * var characters = [ - * { 'name': 'barney', 'age': 30, 'pets': ['hoppy'] }, - * { 'name': 'fred', 'age': 40, 'pets': ['baby puss', 'dino'] } - * ]; - * - * // using "_.pluck" callback shorthand - * _.flatten(characters, 'pets'); - * // => ['hoppy', 'baby puss', 'dino'] - */ - function flatten(array, isShallow, callback, thisArg) { - // juggle arguments - if (typeof isShallow != 'boolean' && isShallow != null) { - thisArg = callback; - callback = (typeof isShallow != 'function' && thisArg && thisArg[isShallow] === array) ? null : isShallow; - isShallow = false; - } - if (callback != null) { - array = map(array, callback, thisArg); - } - return baseFlatten(array, isShallow); - } - - /** - * Gets the index at which the first occurrence of `value` is found using - * strict equality for comparisons, i.e. `===`. If the array is already sorted - * providing `true` for `fromIndex` will run a faster binary search. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {boolean|number} [fromIndex=0] The index to search from or `true` - * to perform a binary search on a sorted array. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2); - * // => 1 - * - * _.indexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 4 - * - * _.indexOf([1, 1, 2, 2, 3, 3], 2, true); - * // => 2 - */ - function indexOf(array, value, fromIndex) { - if (typeof fromIndex == 'number') { - var length = array ? array.length : 0; - fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex || 0); - } else if (fromIndex) { - var index = sortedIndex(array, value); - return array[index] === value ? index : -1; - } - return baseIndexOf(array, value, fromIndex); - } - - /** - * Gets all but the last element or last `n` elements of an array. If a - * callback is provided elements at the end of the array are excluded from - * the result as long as the callback returns truey. The callback is bound - * to `thisArg` and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.initial([1, 2, 3]); - * // => [1, 2] - * - * _.initial([1, 2, 3], 2); - * // => [1] - * - * _.initial([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [1] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.initial(characters, 'blocked'); - * // => [{ 'name': 'barney', 'blocked': false, 'employer': 'slate' }] - * - * // using "_.where" callback shorthand - * _.pluck(_.initial(characters, { 'employer': 'na' }), 'name'); - * // => ['barney', 'fred'] - */ - function initial(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : callback || n; - } - return slice(array, 0, nativeMin(nativeMax(0, length - n), length)); - } - - /** - * Creates an array of unique values present in all provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of shared values. - * @example - * - * _.intersection([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2] - */ - function intersection() { - var args = [], - argsIndex = -1, - argsLength = arguments.length, - caches = getArray(), - indexOf = getIndexOf(), - trustIndexOf = indexOf === baseIndexOf, - seen = getArray(); - - while (++argsIndex < argsLength) { - var value = arguments[argsIndex]; - if (isArray(value) || isArguments(value)) { - args.push(value); - caches.push(trustIndexOf && value.length >= largeArraySize && - createCache(argsIndex ? args[argsIndex] : seen)); - } - } - var array = args[0], - index = -1, - length = array ? array.length : 0, - result = []; - - outer: - while (++index < length) { - var cache = caches[0]; - value = array[index]; - - if ((cache ? cacheIndexOf(cache, value) : indexOf(seen, value)) < 0) { - argsIndex = argsLength; - (cache || seen).push(value); - while (--argsIndex) { - cache = caches[argsIndex]; - if ((cache ? cacheIndexOf(cache, value) : indexOf(args[argsIndex], value)) < 0) { - continue outer; - } - } - result.push(value); - } - } - while (argsLength--) { - cache = caches[argsLength]; - if (cache) { - releaseObject(cache); - } - } - releaseArray(caches); - releaseArray(seen); - return result; - } - - /** - * Gets the last element or last `n` elements of an array. If a callback is - * provided elements at the end of the array are returned as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback] The function called - * per element or the number of elements to return. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {*} Returns the last element(s) of `array`. - * @example - * - * _.last([1, 2, 3]); - * // => 3 - * - * _.last([1, 2, 3], 2); - * // => [2, 3] - * - * _.last([1, 2, 3], function(num) { - * return num > 1; - * }); - * // => [2, 3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.last(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.last(characters, { 'employer': 'na' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function last(array, callback, thisArg) { - var n = 0, - length = array ? array.length : 0; - - if (typeof callback != 'number' && callback != null) { - var index = length; - callback = lodash.createCallback(callback, thisArg, 3); - while (index-- && callback(array[index], index, array)) { - n++; - } - } else { - n = callback; - if (n == null || thisArg) { - return array ? array[length - 1] : undefined; - } - } - return slice(array, nativeMax(0, length - n)); - } - - /** - * Gets the index at which the last occurrence of `value` is found using strict - * equality for comparisons, i.e. `===`. If `fromIndex` is negative, it is used - * as the offset from the end of the collection. - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to search. - * @param {*} value The value to search for. - * @param {number} [fromIndex=array.length-1] The index to search from. - * @returns {number} Returns the index of the matched value or `-1`. - * @example - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2); - * // => 4 - * - * _.lastIndexOf([1, 2, 3, 1, 2, 3], 2, 3); - * // => 1 - */ - function lastIndexOf(array, value, fromIndex) { - var index = array ? array.length : 0; - if (typeof fromIndex == 'number') { - index = (fromIndex < 0 ? nativeMax(0, index + fromIndex) : nativeMin(fromIndex, index - 1)) + 1; - } - while (index--) { - if (array[index] === value) { - return index; - } - } - return -1; - } - - /** - * Removes all provided values from the given array using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {...*} [value] The values to remove. - * @returns {Array} Returns `array`. - * @example - * - * var array = [1, 2, 3, 1, 2, 3]; - * _.pull(array, 2, 3); - * console.log(array); - * // => [1, 1] - */ - function pull(array) { - var args = arguments, - argsIndex = 0, - argsLength = args.length, - length = array ? array.length : 0; - - while (++argsIndex < argsLength) { - var index = -1, - value = args[argsIndex]; - while (++index < length) { - if (array[index] === value) { - splice.call(array, index--, 1); - length--; - } - } - } - return array; - } - - /** - * Creates an array of numbers (positive and/or negative) progressing from - * `start` up to but not including `end`. If `start` is less than `stop` a - * zero-length range is created unless a negative `step` is specified. - * - * @static - * @memberOf _ - * @category Arrays - * @param {number} [start=0] The start of the range. - * @param {number} end The end of the range. - * @param {number} [step=1] The value to increment or decrement by. - * @returns {Array} Returns a new range array. - * @example - * - * _.range(4); - * // => [0, 1, 2, 3] - * - * _.range(1, 5); - * // => [1, 2, 3, 4] - * - * _.range(0, 20, 5); - * // => [0, 5, 10, 15] - * - * _.range(0, -4, -1); - * // => [0, -1, -2, -3] - * - * _.range(1, 4, 0); - * // => [1, 1, 1] - * - * _.range(0); - * // => [] - */ - function range(start, end, step) { - start = +start || 0; - step = typeof step == 'number' ? step : (+step || 1); - - if (end == null) { - end = start; - start = 0; - } - // use `Array(length)` so engines like Chakra and V8 avoid slower modes - // http://youtu.be/XAqIpGU8ZZk#t=17m25s - var index = -1, - length = nativeMax(0, ceil((end - start) / (step || 1))), - result = Array(length); - - while (++index < length) { - result[index] = start; - start += step; - } - return result; - } - - /** - * Removes all elements from an array that the callback returns truey for - * and returns an array of removed elements. The callback is bound to `thisArg` - * and invoked with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to modify. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a new array of removed elements. - * @example - * - * var array = [1, 2, 3, 4, 5, 6]; - * var evens = _.remove(array, function(num) { return num % 2 == 0; }); - * - * console.log(array); - * // => [1, 3, 5] - * - * console.log(evens); - * // => [2, 4, 6] - */ - function remove(array, callback, thisArg) { - var index = -1, - length = array ? array.length : 0, - result = []; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length) { - var value = array[index]; - if (callback(value, index, array)) { - result.push(value); - splice.call(array, index--, 1); - length--; - } - } - return result; - } - - /** - * The opposite of `_.initial` this method gets all but the first element or - * first `n` elements of an array. If a callback function is provided elements - * at the beginning of the array are excluded from the result as long as the - * callback returns truey. The callback is bound to `thisArg` and invoked - * with three arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias drop, tail - * @category Arrays - * @param {Array} array The array to query. - * @param {Function|Object|number|string} [callback=1] The function called - * per element or the number of elements to exclude. If a property name or - * object is provided it will be used to create a "_.pluck" or "_.where" - * style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a slice of `array`. - * @example - * - * _.rest([1, 2, 3]); - * // => [2, 3] - * - * _.rest([1, 2, 3], 2); - * // => [3] - * - * _.rest([1, 2, 3], function(num) { - * return num < 3; - * }); - * // => [3] - * - * var characters = [ - * { 'name': 'barney', 'blocked': true, 'employer': 'slate' }, - * { 'name': 'fred', 'blocked': false, 'employer': 'slate' }, - * { 'name': 'pebbles', 'blocked': true, 'employer': 'na' } - * ]; - * - * // using "_.pluck" callback shorthand - * _.pluck(_.rest(characters, 'blocked'), 'name'); - * // => ['fred', 'pebbles'] - * - * // using "_.where" callback shorthand - * _.rest(characters, { 'employer': 'slate' }); - * // => [{ 'name': 'pebbles', 'blocked': true, 'employer': 'na' }] - */ - function rest(array, callback, thisArg) { - if (typeof callback != 'number' && callback != null) { - var n = 0, - index = -1, - length = array ? array.length : 0; - - callback = lodash.createCallback(callback, thisArg, 3); - while (++index < length && callback(array[index], index, array)) { - n++; - } - } else { - n = (callback == null || thisArg) ? 1 : nativeMax(0, callback); - } - return slice(array, n); - } - - /** - * Uses a binary search to determine the smallest index at which a value - * should be inserted into a given sorted array in order to maintain the sort - * order of the array. If a callback is provided it will be executed for - * `value` and each element of `array` to compute their sort ranking. The - * callback is bound to `thisArg` and invoked with one argument; (value). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to inspect. - * @param {*} value The value to evaluate. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {number} Returns the index at which `value` should be inserted - * into `array`. - * @example - * - * _.sortedIndex([20, 30, 50], 40); - * // => 2 - * - * // using "_.pluck" callback shorthand - * _.sortedIndex([{ 'x': 20 }, { 'x': 30 }, { 'x': 50 }], { 'x': 40 }, 'x'); - * // => 2 - * - * var dict = { - * 'wordToNumber': { 'twenty': 20, 'thirty': 30, 'fourty': 40, 'fifty': 50 } - * }; - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return dict.wordToNumber[word]; - * }); - * // => 2 - * - * _.sortedIndex(['twenty', 'thirty', 'fifty'], 'fourty', function(word) { - * return this.wordToNumber[word]; - * }, dict); - * // => 2 - */ - function sortedIndex(array, value, callback, thisArg) { - var low = 0, - high = array ? array.length : low; - - // explicitly reference `identity` for better inlining in Firefox - callback = callback ? lodash.createCallback(callback, thisArg, 1) : identity; - value = callback(value); - - while (low < high) { - var mid = (low + high) >>> 1; - (callback(array[mid]) < value) - ? low = mid + 1 - : high = mid; - } - return low; - } - - /** - * Creates an array of unique values, in order, of the provided arrays using - * strict equality for comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of combined values. - * @example - * - * _.union([1, 2, 3], [5, 2, 1, 4], [2, 1]); - * // => [1, 2, 3, 5, 4] - */ - function union() { - return baseUniq(baseFlatten(arguments, true, true)); - } - - /** - * Creates a duplicate-value-free version of an array using strict equality - * for comparisons, i.e. `===`. If the array is sorted, providing - * `true` for `isSorted` will use a faster algorithm. If a callback is provided - * each element of `array` is passed through the callback before uniqueness - * is computed. The callback is bound to `thisArg` and invoked with three - * arguments; (value, index, array). - * - * If a property name is provided for `callback` the created "_.pluck" style - * callback will return the property value of the given element. - * - * If an object is provided for `callback` the created "_.where" style callback - * will return `true` for elements that have the properties of the given object, - * else `false`. - * - * @static - * @memberOf _ - * @alias unique - * @category Arrays - * @param {Array} array The array to process. - * @param {boolean} [isSorted=false] A flag to indicate that `array` is sorted. - * @param {Function|Object|string} [callback=identity] The function called - * per iteration. If a property name or object is provided it will be used - * to create a "_.pluck" or "_.where" style callback, respectively. - * @param {*} [thisArg] The `this` binding of `callback`. - * @returns {Array} Returns a duplicate-value-free array. - * @example - * - * _.uniq([1, 2, 1, 3, 1]); - * // => [1, 2, 3] - * - * _.uniq([1, 1, 2, 2, 3], true); - * // => [1, 2, 3] - * - * _.uniq(['A', 'b', 'C', 'a', 'B', 'c'], function(letter) { return letter.toLowerCase(); }); - * // => ['A', 'b', 'C'] - * - * _.uniq([1, 2.5, 3, 1.5, 2, 3.5], function(num) { return this.floor(num); }, Math); - * // => [1, 2.5, 3] - * - * // using "_.pluck" callback shorthand - * _.uniq([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); - * // => [{ 'x': 1 }, { 'x': 2 }] - */ - function uniq(array, isSorted, callback, thisArg) { - // juggle arguments - if (typeof isSorted != 'boolean' && isSorted != null) { - thisArg = callback; - callback = (typeof isSorted != 'function' && thisArg && thisArg[isSorted] === array) ? null : isSorted; - isSorted = false; - } - if (callback != null) { - callback = lodash.createCallback(callback, thisArg, 3); - } - return baseUniq(array, isSorted, callback); - } - - /** - * Creates an array excluding all provided values using strict equality for - * comparisons, i.e. `===`. - * - * @static - * @memberOf _ - * @category Arrays - * @param {Array} array The array to filter. - * @param {...*} [value] The values to exclude. - * @returns {Array} Returns a new array of filtered values. - * @example - * - * _.without([1, 2, 1, 0, 3, 1, 4], 0, 1); - * // => [2, 3, 4] - */ - function without(array) { - return baseDifference(array, slice(arguments, 1)); - } - - /** - * Creates an array that is the symmetric difference of the provided arrays. - * See http://en.wikipedia.org/wiki/Symmetric_difference. - * - * @static - * @memberOf _ - * @category Arrays - * @param {...Array} [array] The arrays to inspect. - * @returns {Array} Returns an array of values. - * @example - * - * _.xor([1, 2, 3], [5, 2, 1, 4]); - * // => [3, 5, 4] - * - * _.xor([1, 2, 5], [2, 3, 5], [3, 4, 5]); - * // => [1, 4, 5] - */ - function xor() { - var index = -1, - length = arguments.length; - - while (++index < length) { - var array = arguments[index]; - if (isArray(array) || isArguments(array)) { - var result = result - ? baseUniq(baseDifference(result, array).concat(baseDifference(array, result))) - : array; - } - } - return result || []; - } - - /** - * Creates an array of grouped elements, the first of which contains the first - * elements of the given arrays, the second of which contains the second - * elements of the given arrays, and so on. - * - * @static - * @memberOf _ - * @alias unzip - * @category Arrays - * @param {...Array} [array] Arrays to process. - * @returns {Array} Returns a new array of grouped elements. - * @example - * - * _.zip(['fred', 'barney'], [30, 40], [true, false]); - * // => [['fred', 30, true], ['barney', 40, false]] - */ - function zip() { - var array = arguments.length > 1 ? arguments : arguments[0], - index = -1, - length = array ? max(pluck(array, 'length')) : 0, - result = Array(length < 0 ? 0 : length); - - while (++index < length) { - result[index] = pluck(array, index); - } - return result; - } - - /** - * Creates an object composed from arrays of `keys` and `values`. Provide - * either a single two dimensional array, i.e. `[[key1, value1], [key2, value2]]` - * or two arrays, one of `keys` and one of corresponding `values`. - * - * @static - * @memberOf _ - * @alias object - * @category Arrays - * @param {Array} keys The array of keys. - * @param {Array} [values=[]] The array of values. - * @returns {Object} Returns an object composed of the given keys and - * corresponding values. - * @example - * - * _.zipObject(['fred', 'barney'], [30, 40]); - * // => { 'fred': 30, 'barney': 40 } - */ - function zipObject(keys, values) { - var index = -1, - length = keys ? keys.length : 0, - result = {}; - - if (!values && length && !isArray(keys[0])) { - values = []; - } - while (++index < length) { - var key = keys[index]; - if (values) { - result[key] = values[index]; - } else if (key) { - result[key[0]] = key[1]; - } - } - return result; - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that executes `func`, with the `this` binding and - * arguments of the created function, only after being called `n` times. - * - * @static - * @memberOf _ - * @category Functions - * @param {number} n The number of times the function must be called before - * `func` is executed. - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var saves = ['profile', 'settings']; - * - * var done = _.after(saves.length, function() { - * console.log('Done saving!'); - * }); - * - * _.forEach(saves, function(type) { - * asyncSave({ 'type': type, 'complete': done }); - * }); - * // => logs 'Done saving!', after all saves have completed - */ - function after(n, func) { - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (--n < 1) { - return func.apply(this, arguments); - } - }; - } - - /** - * Creates a function that, when called, invokes `func` with the `this` - * binding of `thisArg` and prepends any additional `bind` arguments to those - * provided to the bound function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to bind. - * @param {*} [thisArg] The `this` binding of `func`. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var func = function(greeting) { - * return greeting + ' ' + this.name; - * }; - * - * func = _.bind(func, { 'name': 'fred' }, 'hi'); - * func(); - * // => 'hi fred' - */ - function bind(func, thisArg) { - return arguments.length > 2 - ? createWrapper(func, 17, slice(arguments, 2), null, thisArg) - : createWrapper(func, 1, null, null, thisArg); - } - - /** - * Binds methods of an object to the object itself, overwriting the existing - * method. Method names may be specified as individual arguments or as arrays - * of method names. If no method names are provided all the function properties - * of `object` will be bound. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object to bind and assign the bound methods to. - * @param {...string} [methodName] The object method names to - * bind, specified as individual method names or arrays of method names. - * @returns {Object} Returns `object`. - * @example - * - * var view = { - * 'label': 'docs', - * 'onClick': function() { console.log('clicked ' + this.label); } - * }; - * - * _.bindAll(view); - * jQuery('#docs').on('click', view.onClick); - * // => logs 'clicked docs', when the button is clicked - */ - function bindAll(object) { - var funcs = arguments.length > 1 ? baseFlatten(arguments, true, false, 1) : functions(object), - index = -1, - length = funcs.length; - - while (++index < length) { - var key = funcs[index]; - object[key] = createWrapper(object[key], 1, null, null, object); - } - return object; - } - - /** - * Creates a function that, when called, invokes the method at `object[key]` - * and prepends any additional `bindKey` arguments to those provided to the bound - * function. This method differs from `_.bind` by allowing bound functions to - * reference methods that will be redefined or don't yet exist. - * See http://michaux.ca/articles/lazy-function-definition-pattern. - * - * @static - * @memberOf _ - * @category Functions - * @param {Object} object The object the method belongs to. - * @param {string} key The key of the method. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new bound function. - * @example - * - * var object = { - * 'name': 'fred', - * 'greet': function(greeting) { - * return greeting + ' ' + this.name; - * } - * }; - * - * var func = _.bindKey(object, 'greet', 'hi'); - * func(); - * // => 'hi fred' - * - * object.greet = function(greeting) { - * return greeting + 'ya ' + this.name + '!'; - * }; - * - * func(); - * // => 'hiya fred!' - */ - function bindKey(object, key) { - return arguments.length > 2 - ? createWrapper(key, 19, slice(arguments, 2), null, object) - : createWrapper(key, 3, null, null, object); - } - - /** - * Creates a function that is the composition of the provided functions, - * where each function consumes the return value of the function that follows. - * For example, composing the functions `f()`, `g()`, and `h()` produces `f(g(h()))`. - * Each function is executed with the `this` binding of the composed function. - * - * @static - * @memberOf _ - * @category Functions - * @param {...Function} [func] Functions to compose. - * @returns {Function} Returns the new composed function. - * @example - * - * var realNameMap = { - * 'pebbles': 'penelope' - * }; - * - * var format = function(name) { - * name = realNameMap[name.toLowerCase()] || name; - * return name.charAt(0).toUpperCase() + name.slice(1).toLowerCase(); - * }; - * - * var greet = function(formatted) { - * return 'Hiya ' + formatted + '!'; - * }; - * - * var welcome = _.compose(greet, format); - * welcome('pebbles'); - * // => 'Hiya Penelope!' - */ - function compose() { - var funcs = arguments, - length = funcs.length; - - while (length--) { - if (!isFunction(funcs[length])) { - throw new TypeError; - } - } - return function() { - var args = arguments, - length = funcs.length; - - while (length--) { - args = [funcs[length].apply(this, args)]; - } - return args[0]; - }; - } - - /** - * Creates a function which accepts one or more arguments of `func` that when - * invoked either executes `func` returning its result, if all `func` arguments - * have been provided, or returns a function that accepts one or more of the - * remaining `func` arguments, and so on. The arity of `func` can be specified - * if `func.length` is not sufficient. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to curry. - * @param {number} [arity=func.length] The arity of `func`. - * @returns {Function} Returns the new curried function. - * @example - * - * var curried = _.curry(function(a, b, c) { - * console.log(a + b + c); - * }); - * - * curried(1)(2)(3); - * // => 6 - * - * curried(1, 2)(3); - * // => 6 - * - * curried(1, 2, 3); - * // => 6 - */ - function curry(func, arity) { - arity = typeof arity == 'number' ? arity : (+arity || func.length); - return createWrapper(func, 4, null, null, null, arity); - } - - /** - * Creates a function that will delay the execution of `func` until after - * `wait` milliseconds have elapsed since the last time it was invoked. - * Provide an options object to indicate that `func` should be invoked on - * the leading and/or trailing edge of the `wait` timeout. Subsequent calls - * to the debounced function will return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the debounced function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to debounce. - * @param {number} wait The number of milliseconds to delay. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=false] Specify execution on the leading edge of the timeout. - * @param {number} [options.maxWait] The maximum time `func` is allowed to be delayed before it's called. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new debounced function. - * @example - * - * // avoid costly calculations while the window size is in flux - * var lazyLayout = _.debounce(calculateLayout, 150); - * jQuery(window).on('resize', lazyLayout); - * - * // execute `sendMail` when the click event is fired, debouncing subsequent calls - * jQuery('#postbox').on('click', _.debounce(sendMail, 300, { - * 'leading': true, - * 'trailing': false - * }); - * - * // ensure `batchLog` is executed once after 1 second of debounced calls - * var source = new EventSource('/stream'); - * source.addEventListener('message', _.debounce(batchLog, 250, { - * 'maxWait': 1000 - * }, false); - */ - function debounce(func, wait, options) { - var args, - maxTimeoutId, - result, - stamp, - thisArg, - timeoutId, - trailingCall, - lastCalled = 0, - maxWait = false, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - wait = nativeMax(0, wait) || 0; - if (options === true) { - var leading = true; - trailing = false; - } else if (isObject(options)) { - leading = options.leading; - maxWait = 'maxWait' in options && (nativeMax(wait, options.maxWait) || 0); - trailing = 'trailing' in options ? options.trailing : trailing; - } - var delayed = function() { - var remaining = wait - (now() - stamp); - if (remaining <= 0) { - if (maxTimeoutId) { - clearTimeout(maxTimeoutId); - } - var isCalled = trailingCall; - maxTimeoutId = timeoutId = trailingCall = undefined; - if (isCalled) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - } else { - timeoutId = setTimeout(delayed, remaining); - } - }; - - var maxDelayed = function() { - if (timeoutId) { - clearTimeout(timeoutId); - } - maxTimeoutId = timeoutId = trailingCall = undefined; - if (trailing || (maxWait !== wait)) { - lastCalled = now(); - result = func.apply(thisArg, args); - if (!timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - } - }; - - return function() { - args = arguments; - stamp = now(); - thisArg = this; - trailingCall = trailing && (timeoutId || !leading); - - if (maxWait === false) { - var leadingCall = leading && !timeoutId; - } else { - if (!maxTimeoutId && !leading) { - lastCalled = stamp; - } - var remaining = maxWait - (stamp - lastCalled), - isCalled = remaining <= 0; - - if (isCalled) { - if (maxTimeoutId) { - maxTimeoutId = clearTimeout(maxTimeoutId); - } - lastCalled = stamp; - result = func.apply(thisArg, args); - } - else if (!maxTimeoutId) { - maxTimeoutId = setTimeout(maxDelayed, remaining); - } - } - if (isCalled && timeoutId) { - timeoutId = clearTimeout(timeoutId); - } - else if (!timeoutId && wait !== maxWait) { - timeoutId = setTimeout(delayed, wait); - } - if (leadingCall) { - isCalled = true; - result = func.apply(thisArg, args); - } - if (isCalled && !timeoutId && !maxTimeoutId) { - args = thisArg = null; - } - return result; - }; - } - - /** - * Defers executing the `func` function until the current call stack has cleared. - * Additional arguments will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to defer. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.defer(function(text) { console.log(text); }, 'deferred'); - * // logs 'deferred' after one or more milliseconds - */ - function defer(func) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 1); - return setTimeout(function() { func.apply(undefined, args); }, 1); - } - - /** - * Executes the `func` function after `wait` milliseconds. Additional arguments - * will be provided to `func` when it is invoked. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to delay. - * @param {number} wait The number of milliseconds to delay execution. - * @param {...*} [arg] Arguments to invoke the function with. - * @returns {number} Returns the timer id. - * @example - * - * _.delay(function(text) { console.log(text); }, 1000, 'later'); - * // => logs 'later' after one second - */ - function delay(func, wait) { - if (!isFunction(func)) { - throw new TypeError; - } - var args = slice(arguments, 2); - return setTimeout(function() { func.apply(undefined, args); }, wait); - } - - /** - * Creates a function that memoizes the result of `func`. If `resolver` is - * provided it will be used to determine the cache key for storing the result - * based on the arguments provided to the memoized function. By default, the - * first argument provided to the memoized function is used as the cache key. - * The `func` is executed with the `this` binding of the memoized function. - * The result cache is exposed as the `cache` property on the memoized function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to have its output memoized. - * @param {Function} [resolver] A function used to resolve the cache key. - * @returns {Function} Returns the new memoizing function. - * @example - * - * var fibonacci = _.memoize(function(n) { - * return n < 2 ? n : fibonacci(n - 1) + fibonacci(n - 2); - * }); - * - * fibonacci(9) - * // => 34 - * - * var data = { - * 'fred': { 'name': 'fred', 'age': 40 }, - * 'pebbles': { 'name': 'pebbles', 'age': 1 } - * }; - * - * // modifying the result cache - * var get = _.memoize(function(name) { return data[name]; }, _.identity); - * get('pebbles'); - * // => { 'name': 'pebbles', 'age': 1 } - * - * get.cache.pebbles.name = 'penelope'; - * get('pebbles'); - * // => { 'name': 'penelope', 'age': 1 } - */ - function memoize(func, resolver) { - if (!isFunction(func)) { - throw new TypeError; - } - var memoized = function() { - var cache = memoized.cache, - key = resolver ? resolver.apply(this, arguments) : keyPrefix + arguments[0]; - - return hasOwnProperty.call(cache, key) - ? cache[key] - : (cache[key] = func.apply(this, arguments)); - } - memoized.cache = {}; - return memoized; - } - - /** - * Creates a function that is restricted to execute `func` once. Repeat calls to - * the function will return the value of the first call. The `func` is executed - * with the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to restrict. - * @returns {Function} Returns the new restricted function. - * @example - * - * var initialize = _.once(createApplication); - * initialize(); - * initialize(); - * // `initialize` executes `createApplication` once - */ - function once(func) { - var ran, - result; - - if (!isFunction(func)) { - throw new TypeError; - } - return function() { - if (ran) { - return result; - } - ran = true; - result = func.apply(this, arguments); - - // clear the `func` variable so the function may be garbage collected - func = null; - return result; - }; - } - - /** - * Creates a function that, when called, invokes `func` with any additional - * `partial` arguments prepended to those provided to the new function. This - * method is similar to `_.bind` except it does **not** alter the `this` binding. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var greet = function(greeting, name) { return greeting + ' ' + name; }; - * var hi = _.partial(greet, 'hi'); - * hi('fred'); - * // => 'hi fred' - */ - function partial(func) { - return createWrapper(func, 16, slice(arguments, 1)); - } - - /** - * This method is like `_.partial` except that `partial` arguments are - * appended to those provided to the new function. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to partially apply arguments to. - * @param {...*} [arg] Arguments to be partially applied. - * @returns {Function} Returns the new partially applied function. - * @example - * - * var defaultsDeep = _.partialRight(_.merge, _.defaults); - * - * var options = { - * 'variable': 'data', - * 'imports': { 'jq': $ } - * }; - * - * defaultsDeep(options, _.templateSettings); - * - * options.variable - * // => 'data' - * - * options.imports - * // => { '_': _, 'jq': $ } - */ - function partialRight(func) { - return createWrapper(func, 32, null, slice(arguments, 1)); - } - - /** - * Creates a function that, when executed, will only call the `func` function - * at most once per every `wait` milliseconds. Provide an options object to - * indicate that `func` should be invoked on the leading and/or trailing edge - * of the `wait` timeout. Subsequent calls to the throttled function will - * return the result of the last `func` call. - * - * Note: If `leading` and `trailing` options are `true` `func` will be called - * on the trailing edge of the timeout only if the the throttled function is - * invoked more than once during the `wait` timeout. - * - * @static - * @memberOf _ - * @category Functions - * @param {Function} func The function to throttle. - * @param {number} wait The number of milliseconds to throttle executions to. - * @param {Object} [options] The options object. - * @param {boolean} [options.leading=true] Specify execution on the leading edge of the timeout. - * @param {boolean} [options.trailing=true] Specify execution on the trailing edge of the timeout. - * @returns {Function} Returns the new throttled function. - * @example - * - * // avoid excessively updating the position while scrolling - * var throttled = _.throttle(updatePosition, 100); - * jQuery(window).on('scroll', throttled); - * - * // execute `renewToken` when the click event is fired, but not more than once every 5 minutes - * jQuery('.interactive').on('click', _.throttle(renewToken, 300000, { - * 'trailing': false - * })); - */ - function throttle(func, wait, options) { - var leading = true, - trailing = true; - - if (!isFunction(func)) { - throw new TypeError; - } - if (options === false) { - leading = false; - } else if (isObject(options)) { - leading = 'leading' in options ? options.leading : leading; - trailing = 'trailing' in options ? options.trailing : trailing; - } - debounceOptions.leading = leading; - debounceOptions.maxWait = wait; - debounceOptions.trailing = trailing; - - return debounce(func, wait, debounceOptions); - } - - /** - * Creates a function that provides `value` to the wrapper function as its - * first argument. Additional arguments provided to the function are appended - * to those provided to the wrapper function. The wrapper is executed with - * the `this` binding of the created function. - * - * @static - * @memberOf _ - * @category Functions - * @param {*} value The value to wrap. - * @param {Function} wrapper The wrapper function. - * @returns {Function} Returns the new function. - * @example - * - * var p = _.wrap(_.escape, function(func, text) { - * return '

' + func(text) + '

'; - * }); - * - * p('Fred, Wilma, & Pebbles'); - * // => '

Fred, Wilma, & Pebbles

' - */ - function wrap(value, wrapper) { - return createWrapper(wrapper, 16, [value]); - } - - /*--------------------------------------------------------------------------*/ - - /** - * Creates a function that returns `value`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value The value to return from the new function. - * @returns {Function} Returns the new function. - * @example - * - * var object = { 'name': 'fred' }; - * var getter = _.constant(object); - * getter() === object; - * // => true - */ - function constant(value) { - return function() { - return value; - }; - } - - /** - * Produces a callback bound to an optional `thisArg`. If `func` is a property - * name the created callback will return the property value for a given element. - * If `func` is an object the created callback will return `true` for elements - * that contain the equivalent object properties, otherwise it will return `false`. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} [func=identity] The value to convert to a callback. - * @param {*} [thisArg] The `this` binding of the created callback. - * @param {number} [argCount] The number of arguments the callback accepts. - * @returns {Function} Returns a callback function. - * @example - * - * var characters = [ - * { 'name': 'barney', 'age': 36 }, - * { 'name': 'fred', 'age': 40 } - * ]; - * - * // wrap to create custom callback shorthands - * _.createCallback = _.wrap(_.createCallback, function(func, callback, thisArg) { - * var match = /^(.+?)__([gl]t)(.+)$/.exec(callback); - * return !match ? func(callback, thisArg) : function(object) { - * return match[2] == 'gt' ? object[match[1]] > match[3] : object[match[1]] < match[3]; - * }; - * }); - * - * _.filter(characters, 'age__gt38'); - * // => [{ 'name': 'fred', 'age': 40 }] - */ - function createCallback(func, thisArg, argCount) { - var type = typeof func; - if (func == null || type == 'function') { - return baseCreateCallback(func, thisArg, argCount); - } - // handle "_.pluck" style callback shorthands - if (type != 'object') { - return property(func); - } - var props = keys(func), - key = props[0], - a = func[key]; - - // handle "_.where" style callback shorthands - if (props.length == 1 && a === a && !isObject(a)) { - // fast path the common case of providing an object with a single - // property containing a primitive value - return function(object) { - var b = object[key]; - return a === b && (a !== 0 || (1 / a == 1 / b)); - }; - } - return function(object) { - var length = props.length, - result = false; - - while (length--) { - if (!(result = baseIsEqual(object[props[length]], func[props[length]], null, true))) { - break; - } - } - return result; - }; - } - - /** - * Converts the characters `&`, `<`, `>`, `"`, and `'` in `string` to their - * corresponding HTML entities. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} string The string to escape. - * @returns {string} Returns the escaped string. - * @example - * - * _.escape('Fred, Wilma, & Pebbles'); - * // => 'Fred, Wilma, & Pebbles' - */ - function escape(string) { - return string == null ? '' : String(string).replace(reUnescapedHtml, escapeHtmlChar); - } - - /** - * This method returns the first argument provided to it. - * - * @static - * @memberOf _ - * @category Utilities - * @param {*} value Any value. - * @returns {*} Returns `value`. - * @example - * - * var object = { 'name': 'fred' }; - * _.identity(object) === object; - * // => true - */ - function identity(value) { - return value; - } - - /** - * Adds function properties of a source object to the destination object. - * If `object` is a function methods will be added to its prototype as well. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Function|Object} [object=lodash] object The destination object. - * @param {Object} source The object of functions to add. - * @param {Object} [options] The options object. - * @param {boolean} [options.chain=true] Specify whether the functions added are chainable. - * @example - * - * function capitalize(string) { - * return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase(); - * } - * - * _.mixin({ 'capitalize': capitalize }); - * _.capitalize('fred'); - * // => 'Fred' - * - * _('fred').capitalize().value(); - * // => 'Fred' - * - * _.mixin({ 'capitalize': capitalize }, { 'chain': false }); - * _('fred').capitalize(); - * // => 'Fred' - */ - function mixin(object, source, options) { - var chain = true, - methodNames = source && functions(source); - - if (!source || (!options && !methodNames.length)) { - if (options == null) { - options = source; - } - ctor = lodashWrapper; - source = object; - object = lodash; - methodNames = functions(source); - } - if (options === false) { - chain = false; - } else if (isObject(options) && 'chain' in options) { - chain = options.chain; - } - var ctor = object, - isFunc = isFunction(ctor); - - forEach(methodNames, function(methodName) { - var func = object[methodName] = source[methodName]; - if (isFunc) { - ctor.prototype[methodName] = function() { - var chainAll = this.__chain__, - value = this.__wrapped__, - args = [value]; - - push.apply(args, arguments); - var result = func.apply(object, args); - if (chain || chainAll) { - if (value === result && isObject(result)) { - return this; - } - result = new ctor(result); - result.__chain__ = chainAll; - } - return result; - }; - } - }); - } - - /** - * Reverts the '_' variable to its previous value and returns a reference to - * the `lodash` function. - * - * @static - * @memberOf _ - * @category Utilities - * @returns {Function} Returns the `lodash` function. - * @example - * - * var lodash = _.noConflict(); - */ - function noConflict() { - context._ = oldDash; - return this; - } - - /** - * A no-operation function. - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var object = { 'name': 'fred' }; - * _.noop(object) === undefined; - * // => true - */ - function noop() { - // no operation performed - } - - /** - * Gets the number of milliseconds that have elapsed since the Unix epoch - * (1 January 1970 00:00:00 UTC). - * - * @static - * @memberOf _ - * @category Utilities - * @example - * - * var stamp = _.now(); - * _.defer(function() { console.log(_.now() - stamp); }); - * // => logs the number of milliseconds it took for the deferred function to be called - */ - var now = isNative(now = Date.now) && now || function() { - return new Date().getTime(); - }; - - /** - * Converts the given value into an integer of the specified radix. - * If `radix` is `undefined` or `0` a `radix` of `10` is used unless the - * `value` is a hexadecimal, in which case a `radix` of `16` is used. - * - * Note: This method avoids differences in native ES3 and ES5 `parseInt` - * implementations. See http://es5.github.io/#E. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} value The value to parse. - * @param {number} [radix] The radix used to interpret the value to parse. - * @returns {number} Returns the new integer value. - * @example - * - * _.parseInt('08'); - * // => 8 - */ - var parseInt = nativeParseInt(whitespace + '08') == 8 ? nativeParseInt : function(value, radix) { - // Firefox < 21 and Opera < 15 follow the ES3 specified implementation of `parseInt` - return nativeParseInt(isString(value) ? value.replace(reLeadingSpacesAndZeros, '') : value, radix || 0); - }; - - /** - * Creates a "_.pluck" style function, which returns the `key` value of a - * given object. - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} key The name of the property to retrieve. - * @returns {Function} Returns the new function. - * @example - * - * var characters = [ - * { 'name': 'fred', 'age': 40 }, - * { 'name': 'barney', 'age': 36 } - * ]; - * - * var getName = _.property('name'); - * - * _.map(characters, getName); - * // => ['barney', 'fred'] - * - * _.sortBy(characters, getName); - * // => [{ 'name': 'barney', 'age': 36 }, { 'name': 'fred', 'age': 40 }] - */ - function property(key) { - return function(object) { - return object[key]; - }; - } - - /** - * Produces a random number between `min` and `max` (inclusive). If only one - * argument is provided a number between `0` and the given number will be - * returned. If `floating` is truey or either `min` or `max` are floats a - * floating-point number will be returned instead of an integer. - * - * @static - * @memberOf _ - * @category Utilities - * @param {number} [min=0] The minimum possible value. - * @param {number} [max=1] The maximum possible value. - * @param {boolean} [floating=false] Specify returning a floating-point number. - * @returns {number} Returns a random number. - * @example - * - * _.random(0, 5); - * // => an integer between 0 and 5 - * - * _.random(5); - * // => also an integer between 0 and 5 - * - * _.random(5, true); - * // => a floating-point number between 0 and 5 - * - * _.random(1.2, 5.2); - * // => a floating-point number between 1.2 and 5.2 - */ - function random(min, max, floating) { - var noMin = min == null, - noMax = max == null; - - if (floating == null) { - if (typeof min == 'boolean' && noMax) { - floating = min; - min = 1; - } - else if (!noMax && typeof max == 'boolean') { - floating = max; - noMax = true; - } - } - if (noMin && noMax) { - max = 1; - } - min = +min || 0; - if (noMax) { - max = min; - min = 0; - } else { - max = +max || 0; - } - if (floating || min % 1 || max % 1) { - var rand = nativeRandom(); - return nativeMin(min + (rand * (max - min + parseFloat('1e-' + ((rand +'').length - 1)))), max); - } - return baseRandom(min, max); - } - - /** - * Resolves the value of property `key` on `object`. If `key` is a function - * it will be invoked with the `this` binding of `object` and its result returned, - * else the property value is returned. If `object` is falsey then `undefined` - * is returned. - * - * @static - * @memberOf _ - * @category Utilities - * @param {Object} object The object to inspect. - * @param {string} key The name of the property to resolve. - * @returns {*} Returns the resolved value. - * @example - * - * var object = { - * 'cheese': 'crumpets', - * 'stuff': function() { - * return 'nonsense'; - * } - * }; - * - * _.result(object, 'cheese'); - * // => 'crumpets' - * - * _.result(object, 'stuff'); - * // => 'nonsense' - */ - function result(object, key) { - if (object) { - var value = object[key]; - return isFunction(value) ? object[key]() : value; - } - } - - /** - * A micro-templating method that handles arbitrary delimiters, preserves - * whitespace, and correctly escapes quotes within interpolated code. - * - * Note: In the development build, `_.template` utilizes sourceURLs for easier - * debugging. See http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl - * - * For more information on precompiling templates see: - * http://lodash.com/custom-builds - * - * For more information on Chrome extension sandboxes see: - * http://developer.chrome.com/stable/extensions/sandboxingEval.html - * - * @static - * @memberOf _ - * @category Utilities - * @param {string} text The template text. - * @param {Object} data The data object used to populate the text. - * @param {Object} [options] The options object. - * @param {RegExp} [options.escape] The "escape" delimiter. - * @param {RegExp} [options.evaluate] The "evaluate" delimiter. - * @param {Object} [options.imports] An object to import into the template as local variables. - * @param {RegExp} [options.interpolate] The "interpolate" delimiter. - * @param {string} [sourceURL] The sourceURL of the template's compiled source. - * @param {string} [variable] The data object variable name. - * @returns {Function|string} Returns a compiled function when no `data` object - * is given, else it returns the interpolated text. - * @example - * - * // using the "interpolate" delimiter to create a compiled template - * var compiled = _.template('hello <%= name %>'); - * compiled({ 'name': 'fred' }); - * // => 'hello fred' - * - * // using the "escape" delimiter to escape HTML in data property values - * _.template('<%- value %>', { 'value': ' \ No newline at end of file diff --git a/public/elements/window.js b/public/elements/window.js deleted file mode 100644 index b7129b6..0000000 --- a/public/elements/window.js +++ /dev/null @@ -1,284 +0,0 @@ -/******/ (function(modules) { // webpackBootstrap -/******/ // The module cache -/******/ var installedModules = {}; -/******/ -/******/ // The require function -/******/ function __webpack_require__(moduleId) { -/******/ -/******/ // Check if module is in cache -/******/ if(installedModules[moduleId]) -/******/ return installedModules[moduleId].exports; -/******/ -/******/ // Create a new module (and put it into the cache) -/******/ var module = installedModules[moduleId] = { -/******/ exports: {}, -/******/ id: moduleId, -/******/ loaded: false -/******/ }; -/******/ -/******/ // Execute the module function -/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ -/******/ // Flag the module as loaded -/******/ module.loaded = true; -/******/ -/******/ // Return the exports of the module -/******/ return module.exports; -/******/ } -/******/ -/******/ -/******/ // expose the modules object (__webpack_modules__) -/******/ __webpack_require__.m = modules; -/******/ -/******/ // expose the module cache -/******/ __webpack_require__.c = installedModules; -/******/ -/******/ // __webpack_public_path__ -/******/ __webpack_require__.p = ""; -/******/ -/******/ // Load entry module and return exports -/******/ return __webpack_require__(0); -/******/ }) -/************************************************************************/ -/******/ ([ -/* 0 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = __webpack_require__(4); - - -/***/ }, -/* 1 */, -/* 2 */, -/* 3 */, -/* 4 */ -/***/ function(module, exports, __webpack_require__) { - - var RateLimitedCall, polymerDefer; - - RateLimitedCall = __webpack_require__(5); - - polymerDefer = __webpack_require__(6); - - Polymer("openng-window", { - publish: { - windowTitle: "", - url: "", - x: 200, - y: 200, - z: 0, - width: 400, - height: 300, - resizable: true, - visible: true, - focused: false, - dragged: false, - focus: function() { - return polymerDefer((function(_this) { - return function() { - return _this._manager.focus(_this); - }; - })(this)); - } - }, - _externalHandler: function(url, method, options) { - var blankWindow; - blankWindow = new ngWindow(); - blankWindow.url = url; - return $(blankWindow).insertAfter($(this)); - }, - _findWindowManager: function() { - var result; - result = $(this).closest("openng-window-manager"); - if (result.length > 0) { - return result[0]; - } else { - return void 0; - } - }, - _register: function() { - this._manager = this._findWindowManager(); - if (this._manager != null) { - return polymerDefer((function(_this) { - return function() { - return _this._manager.add(_this); - }; - })(this)); - } - }, - _unregister: function() { - if (this._manager != null) { - return this._manager.remove(this); - } - }, - _hookMoveEvents: function() { - var moveCall, self; - self = this; - moveCall = new RateLimitedCall(60, function() { - self.x = this.x - self.dragOffsetX; - return self.y = this.y - self.dragOffsetY; - }); - return this._shadowDOM.find(".title").on("mousedown", (function(_this) { - return function(event) { - var moveHandler; - $("body").attr("unselectable", "on").css("user-select", "none").on("selectstart.disableSelect", false); - _this.dragOffsetX = event.pageX - _this.x; - _this.dragOffsetY = event.pageY - _this.y; - moveHandler = function(event) { - return moveCall.call(function() { - this.x = event.pageX; - return this.y = event.pageY; - }); - }; - _this.dragged = true; - $(document).on("mousemove", moveHandler); - return $(document).one("mouseup", function(event) { - _this.dragged = false; - $(document).off("mousemove", moveHandler); - return $("body").attr("unselectable", "off").css("user-select", "text").off("selectstart.disableSelect"); - }); - }; - })(this)); - }, - _hookResizeEvents: function() { - var resizeCall, self; - self = this; - resizeCall = new RateLimitedCall(60, function() { - self.width = this.x - self.resizeOffsetX - self.x; - return self.height = this.y - self.resizeOffsetY - self.y; - }); - return this._shadowDOM.find(".resizer").on("mousedown", (function(_this) { - return function(event) { - var resizeHandler; - $("body").attr("unselectable", "on").css("user-select", "none").on("selectstart.disableSelect", false); - _this.resizeOffsetX = (event.pageX - _this.x) - _this.width; - _this.resizeOffsetY = (event.pageY - _this.y) - _this.height; - resizeHandler = function(event) { - return resizeCall.call(function() { - this.x = event.pageX; - return this.y = event.pageY; - }); - }; - _this.dragged = true; - $(document).on("mousemove", resizeHandler); - return $(document).one("mouseup", function(event) { - _this.dragged = false; - $(document).off("mousemove", resizeHandler); - return $("body").attr("unselectable", "off").css("user-select", "text").off("selectstart.disableSelect"); - }); - }; - })(this)); - }, - _hookCloseButton: function() { - return this._shadowDOM.find(".close a").on("mousedown", function(event) { - return event.stopPropagation(); - }).on("click", (function(_this) { - return function(event) { - return $(_this).remove(); - }; - })(this)); - }, - _hookFocus: function() { - return this._shadowDOM.find(".wrapper").on("mousedown", (function(_this) { - return function(event) { - return _this.focus(); - }; - })(this)); - }, - ready: function() { - this._externalHandler = this._externalHandler.bind(this); - return this._shadowDOM = $(this.$.polymerWrapper); - }, - domReady: function() { - this._hookMoveEvents(); - this._hookResizeEvents(); - this._hookCloseButton(); - this._hookFocus(); - this._register(); - return this.focus(); - }, - detached: function() { - return this._unregister(); - }, - urlChanged: function(oldValue, newValue) { - if (newValue !== "") { - return this._shadowDOM.find("openng-router")[0].navigate(newValue); - } - } - }); - - -/***/ }, -/* 5 */ -/***/ function(module, exports, __webpack_require__) { - - var RateLimitedCall; - - module.exports = RateLimitedCall = (function() { - RateLimitedCall.prototype.loopRunning = false; - - RateLimitedCall.prototype._lastFrame = Date.now(); - - function RateLimitedCall(fps, frameHandler) { - this.fps = fps; - this.frameHandler = frameHandler; - this._interval = 1000 / this.fps; - } - - RateLimitedCall.prototype._loop = function() { - this.loopRunning = true; - return this._frame(); - }; - - RateLimitedCall.prototype._frame = function() { - var delta, now; - now = Date.now(); - delta = now - this._lastFrame; - if (delta > this._interval) { - if (this.callActivated) { - this.frameHandler.apply(this); - this.callActivated = false; - this._lastFrame = now - (delta % this._interval); - } else { - this.loopRunning = false; - } - } - if (this.loopRunning) { - return requestAnimationFrame(this._frame.bind(this)); - } - }; - - RateLimitedCall.prototype._activateRateLimitedCall = function() { - this.callActivated = true; - if (!this.loopRunning) { - return this._loop(); - } - }; - - RateLimitedCall.prototype.call = function(func) { - func.apply(this); - return this._activateRateLimitedCall(); - }; - - return RateLimitedCall; - - })(); - - -/***/ }, -/* 6 */ -/***/ function(module, exports, __webpack_require__) { - - module.exports = function(func) { - if (window.polymerReady) { - return func(); - } else { - return $(window).on("polymer-ready", function(event) { - return func(); - }); - } - }; - - -/***/ } -/******/ ]) \ No newline at end of file diff --git a/public/js/bundle.js b/public/js/bundle.js index 5e2780b..09dd1d6 100755 --- a/public/js/bundle.js +++ b/public/js/bundle.js @@ -1,41 +1,41 @@ /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; -/******/ + /******/ // The require function /******/ function __webpack_require__(moduleId) { -/******/ + /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) /******/ return installedModules[moduleId].exports; -/******/ + /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ exports: {}, /******/ id: moduleId, /******/ loaded: false /******/ }; -/******/ + /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); -/******/ + /******/ // Flag the module as loaded /******/ module.loaded = true; -/******/ + /******/ // Return the exports of the module /******/ return module.exports; /******/ } -/******/ -/******/ + + /******/ // expose the modules object (__webpack_modules__) /******/ __webpack_require__.m = modules; -/******/ + /******/ // expose the module cache /******/ __webpack_require__.c = installedModules; -/******/ + /******/ // __webpack_public_path__ /******/ __webpack_require__.p = ""; -/******/ + /******/ // Load entry module and return exports /******/ return __webpack_require__(0); /******/ }) @@ -44,9436 +44,9131 @@ /* 0 */ /***/ function(module, exports, __webpack_require__) { - /* WEBPACK VAR INJECTION */(function(global) {var $, OverlayDrawer, RateLimitedCall; + 'use strict'; - global.$ = $ = __webpack_require__(3); + var $ = __webpack_require__(1); + var riot = __webpack_require__(3); - OverlayDrawer = __webpack_require__(2); + __webpack_require__(6).enable("*"); - RateLimitedCall = __webpack_require__(1); + __webpack_require__(9); - $(function() { - var overlayDrawer; - overlayDrawer = new OverlayDrawer($("canvas.overlay")); - return $(window).on("polymer-ready", function(event) { - return window.polymerReady = true; - }); + $(function () { + riot.mount("*"); }); - - /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()))) /***/ }, /* 1 */ /***/ function(module, exports, __webpack_require__) { - var RateLimitedCall; + var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(module) {"use strict";var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj;}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol?"symbol":typeof obj;}; /*! + * jQuery JavaScript Library v2.1.4 + * http://jquery.com/ + * + * Includes Sizzle.js + * http://sizzlejs.com/ + * + * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors + * Released under the MIT license + * http://jquery.org/license + * + * Date: 2015-04-28T16:01Z + */(function(global,factory){if(( false?"undefined":_typeof(module))==="object"&&_typeof(module.exports)==="object"){ // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports=global.document?factory(global,true):function(w){if(!w.document){throw new Error("jQuery requires a window with a document");}return factory(w);};}else {factory(global);} // Pass this if window is not defined yet + })(typeof window!=="undefined"?window:this,function(window,noGlobal){ // Support: Firefox 18+ + // Can't be in strict mode, several libs including ASP.NET trace + // the stack via arguments.caller.callee and Firefox dies if + // you try to trace through "use strict" call chains. (#13335) + // + var arr=[];var _slice=arr.slice;var concat=arr.concat;var push=arr.push;var indexOf=arr.indexOf;var class2type={};var toString=class2type.toString;var hasOwn=class2type.hasOwnProperty;var support={};var // Use the correct document accordingly with window argument (sandbox) + document=window.document,version="2.1.4", // Define a local copy of jQuery + jQuery=function jQuery(selector,context){ // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init(selector,context);}, // Support: Android<4.1 + // Make sure we trim BOM and NBSP + rtrim=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, // Matches dashed string for camelizing + rmsPrefix=/^-ms-/,rdashAlpha=/-([\da-z])/gi, // Used by jQuery.camelCase as callback to replace() + fcamelCase=function fcamelCase(all,letter){return letter.toUpperCase();};jQuery.fn=jQuery.prototype={ // The current version of jQuery being used + jquery:version,constructor:jQuery, // Start with an empty selector + selector:"", // The default length of a jQuery object is 0 + length:0,toArray:function toArray(){return _slice.call(this);}, // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get:function get(num){return num!=null? // Return just the one element from the set + num<0?this[num+this.length]:this[num]: // Return all the elements in a clean array + _slice.call(this);}, // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack:function pushStack(elems){ // Build a new jQuery matched element set + var ret=jQuery.merge(this.constructor(),elems); // Add the old object onto the stack (as a reference) + ret.prevObject=this;ret.context=this.context; // Return the newly-formed element set + return ret;}, // Execute a callback for every element in the matched set. + // (You can seed the arguments with an array of args, but this is + // only used internally.) + each:function each(callback,args){return jQuery.each(this,callback,args);},map:function map(callback){return this.pushStack(jQuery.map(this,function(elem,i){return callback.call(elem,i,elem);}));},slice:function slice(){return this.pushStack(_slice.apply(this,arguments));},first:function first(){return this.eq(0);},last:function last(){return this.eq(-1);},eq:function eq(i){var len=this.length,j=+i+(i<0?len:0);return this.pushStack(j>=0&&j=0;},isPlainObject:function isPlainObject(obj){ // Not plain objects: + // - Any object or value whose internal [[Class]] property is not "[object Object]" + // - DOM nodes + // - window + if(jQuery.type(obj)!=="object"||obj.nodeType||jQuery.isWindow(obj)){return false;}if(obj.constructor&&!hasOwn.call(obj.constructor.prototype,"isPrototypeOf")){return false;} // If the function hasn't returned already, we're confident that + // |obj| is a plain object, created by {} or constructed with new Object + return true;},isEmptyObject:function isEmptyObject(obj){var name;for(name in obj){return false;}return true;},type:function type(obj){if(obj==null){return obj+"";} // Support: Android<4.0, iOS<6 (functionish RegExp) + return (typeof obj==="undefined"?"undefined":_typeof(obj))==="object"||typeof obj==="function"?class2type[toString.call(obj)]||"object":typeof obj==="undefined"?"undefined":_typeof(obj);}, // Evaluates a script in a global context + globalEval:function globalEval(code){var script,indirect=eval;code=jQuery.trim(code);if(code){ // If the code includes a valid, prologue position + // strict mode pragma, execute code by injecting a + // script tag into the document. + if(code.indexOf("use strict")===1){script=document.createElement("script");script.text=code;document.head.appendChild(script).parentNode.removeChild(script);}else { // Otherwise, avoid the DOM node creation, insertion + // and removal by using an indirect global eval + indirect(code);}}}, // Convert dashed to camelCase; used by the css and data modules + // Support: IE9-11+ + // Microsoft forgot to hump their vendor prefix (#9572) + camelCase:function camelCase(string){return string.replace(rmsPrefix,"ms-").replace(rdashAlpha,fcamelCase);},nodeName:function nodeName(elem,name){return elem.nodeName&&elem.nodeName.toLowerCase()===name.toLowerCase();}, // args is for internal usage only + each:function each(obj,callback,args){var value,i=0,length=obj.length,isArray=isArraylike(obj);if(args){if(isArray){for(;i0&&length-1 in obj;}var Sizzle= /*! + * Sizzle CSS Selector Engine v2.2.0-pre + * http://sizzlejs.com/ + * + * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors + * Released under the MIT license + * http://jquery.org/license + * + * Date: 2014-12-16 + */function(window){var i,support,Expr,getText,isXML,tokenize,compile,select,outermostContext,sortInput,hasDuplicate, // Local document vars + setDocument,document,docElem,documentIsHTML,rbuggyQSA,rbuggyMatches,matches,contains, // Instance-specific data + expando="sizzle"+1*new Date(),preferredDoc=window.document,dirruns=0,done=0,classCache=createCache(),tokenCache=createCache(),compilerCache=createCache(),sortOrder=function sortOrder(a,b){if(a===b){hasDuplicate=true;}return 0;}, // General-purpose constants + MAX_NEGATIVE=1<<31, // Instance methods + hasOwn={}.hasOwnProperty,arr=[],pop=arr.pop,push_native=arr.push,push=arr.push,slice=arr.slice, // Use a stripped-down indexOf as it's faster than native + // http://jsperf.com/thor-indexof-vs-for/5 + indexOf=function indexOf(list,elem){var i=0,len=list.length;for(;i+~]|"+whitespace+")"+whitespace+"*"),rattributeQuotes=new RegExp("="+whitespace+"*([^\\]'\"]*?)"+whitespace+"*\\]","g"),rpseudo=new RegExp(pseudos),ridentifier=new RegExp("^"+identifier+"$"),matchExpr={"ID":new RegExp("^#("+characterEncoding+")"),"CLASS":new RegExp("^\\.("+characterEncoding+")"),"TAG":new RegExp("^("+characterEncoding.replace("w","w*")+")"),"ATTR":new RegExp("^"+attributes),"PSEUDO":new RegExp("^"+pseudos),"CHILD":new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\("+whitespace+"*(even|odd|(([+-]|)(\\d*)n|)"+whitespace+"*(?:([+-]|)"+whitespace+"*(\\d+)|))"+whitespace+"*\\)|)","i"),"bool":new RegExp("^(?:"+booleans+")$","i"), // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext":new RegExp("^"+whitespace+"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\("+whitespace+"*((?:-\\d)?\\d*)"+whitespace+"*\\)|)(?=[^-]|$)","i")},rinputs=/^(?:input|select|textarea|button)$/i,rheader=/^h\d$/i,rnative=/^[^{]+\{\s*\[native \w/, // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr=/^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,rsibling=/[+~]/,rescape=/'|\\/g, // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape=new RegExp("\\\\([\\da-f]{1,6}"+whitespace+"?|("+whitespace+")|.)","ig"),funescape=function funescape(_,escaped,escapedWhitespace){var high="0x"+escaped-0x10000; // NaN means non-codepoint + // Support: Firefox<24 + // Workaround erroneous numeric interpretation of +"0x" + return high!==high||escapedWhitespace?escaped:high<0? // BMP codepoint + String.fromCharCode(high+0x10000): // Supplemental Plane codepoint (surrogate pair) + String.fromCharCode(high>>10|0xD800,high&0x3FF|0xDC00);}, // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + unloadHandler=function unloadHandler(){setDocument();}; // Optimize for push.apply( _, NodeList ) + try{push.apply(arr=slice.call(preferredDoc.childNodes),preferredDoc.childNodes); // Support: Android<4.0 + // Detect silently failing push.apply + arr[preferredDoc.childNodes.length].nodeType;}catch(e){push={apply:arr.length? // Leverage slice if possible + function(target,els){push_native.apply(target,slice.call(els));}: // Support: IE<9 + // Otherwise append directly + function(target,els){var j=target.length,i=0; // Can't trust NodeList.length + while(target[j++]=els[i++]){}target.length=j-1;}};}function Sizzle(selector,context,results,seed){var match,elem,m,nodeType, // QSA vars + i,groups,old,nid,newContext,newSelector;if((context?context.ownerDocument||context:preferredDoc)!==document){setDocument(context);}context=context||document;results=results||[];nodeType=context.nodeType;if(typeof selector!=="string"||!selector||nodeType!==1&&nodeType!==9&&nodeType!==11){return results;}if(!seed&&documentIsHTML){ // Try to shortcut find operations when possible (e.g., not under DocumentFragment) + if(nodeType!==11&&(match=rquickExpr.exec(selector))){ // Speed-up: Sizzle("#ID") + if(m=match[1]){if(nodeType===9){elem=context.getElementById(m); // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document (jQuery #6963) + if(elem&&elem.parentNode){ // Handle the case where IE, Opera, and Webkit return items + // by name instead of ID + if(elem.id===m){results.push(elem);return results;}}else {return results;}}else { // Context is not a document + if(context.ownerDocument&&(elem=context.ownerDocument.getElementById(m))&&contains(context,elem)&&elem.id===m){results.push(elem);return results;}} // Speed-up: Sizzle("TAG") + }else if(match[2]){push.apply(results,context.getElementsByTagName(selector));return results; // Speed-up: Sizzle(".CLASS") + }else if((m=match[3])&&support.getElementsByClassName){push.apply(results,context.getElementsByClassName(m));return results;}} // QSA path + if(support.qsa&&(!rbuggyQSA||!rbuggyQSA.test(selector))){nid=old=expando;newContext=context;newSelector=nodeType!==1&&selector; // qSA works strangely on Element-rooted queries + // We can work around this by specifying an extra ID on the root + // and working up from there (Thanks to Andrew Dupont for the technique) + // IE 8 doesn't work on object elements + if(nodeType===1&&context.nodeName.toLowerCase()!=="object"){groups=tokenize(selector);if(old=context.getAttribute("id")){nid=old.replace(rescape,"\\$&");}else {context.setAttribute("id",nid);}nid="[id='"+nid+"'] ";i=groups.length;while(i--){groups[i]=nid+toSelector(groups[i]);}newContext=rsibling.test(selector)&&testContext(context.parentNode)||context;newSelector=groups.join(",");}if(newSelector){try{push.apply(results,newContext.querySelectorAll(newSelector));return results;}catch(qsaError){}finally {if(!old){context.removeAttribute("id");}}}}} // All others + return select(selector.replace(rtrim,"$1"),context,results,seed);} /** + * Create key-value caches of limited size + * @returns {Function(string, Object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */function createCache(){var keys=[];function cache(key,value){ // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if(keys.push(key+" ")>Expr.cacheLength){ // Only keep the most recent entries + delete cache[keys.shift()];}return cache[key+" "]=value;}return cache;} /** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */function markFunction(fn){fn[expando]=true;return fn;} /** + * Support testing using an element + * @param {Function} fn Passed the created div and expects a boolean result + */function assert(fn){var div=document.createElement("div");try{return !!fn(div);}catch(e){return false;}finally { // Remove from its parent by default + if(div.parentNode){div.parentNode.removeChild(div);} // release memory in IE + div=null;}} /** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */function addHandle(attrs,handler){var arr=attrs.split("|"),i=attrs.length;while(i--){Expr.attrHandle[arr[i]]=handler;}} /** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */function siblingCheck(a,b){var cur=b&&a,diff=cur&&a.nodeType===1&&b.nodeType===1&&(~b.sourceIndex||MAX_NEGATIVE)-(~a.sourceIndex||MAX_NEGATIVE); // Use IE sourceIndex if available on both nodes + if(diff){return diff;} // Check if b follows a + if(cur){while(cur=cur.nextSibling){if(cur===b){return -1;}}}return a?1:-1;} /** + * Returns a function to use in pseudos for input types + * @param {String} type + */function createInputPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type===type;};} /** + * Returns a function to use in pseudos for buttons + * @param {String} type + */function createButtonPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return (name==="input"||name==="button")&&elem.type===type;};} /** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */function createPositionalPseudo(fn){return markFunction(function(argument){argument=+argument;return markFunction(function(seed,matches){var j,matchIndexes=fn([],seed.length,argument),i=matchIndexes.length; // Match elements found at the specified indexes + while(i--){if(seed[j=matchIndexes[i]]){seed[j]=!(matches[j]=seed[j]);}}});});} /** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */function testContext(context){return context&&typeof context.getElementsByTagName!=="undefined"&&context;} // Expose support vars for convenience + support=Sizzle.support={}; /** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */isXML=Sizzle.isXML=function(elem){ // documentElement is verified for cases where it doesn't yet exist + // (such as loading iframes in IE - #4833) + var documentElement=elem&&(elem.ownerDocument||elem).documentElement;return documentElement?documentElement.nodeName!=="HTML":false;}; /** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */setDocument=Sizzle.setDocument=function(node){var hasCompare,parent,doc=node?node.ownerDocument||node:preferredDoc; // If no document and documentElement is available, return + if(doc===document||doc.nodeType!==9||!doc.documentElement){return document;} // Set our document + document=doc;docElem=doc.documentElement;parent=doc.defaultView; // Support: IE>8 + // If iframe document is assigned to "document" variable and if iframe has been reloaded, + // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 + // IE6-8 do not support the defaultView property so parent will be undefined + if(parent&&parent!==parent.top){ // IE11 does not have attachEvent, so all must suffer + if(parent.addEventListener){parent.addEventListener("unload",unloadHandler,false);}else if(parent.attachEvent){parent.attachEvent("onunload",unloadHandler);}} /* Support tests + ---------------------------------------------------------------------- */documentIsHTML=!isXML(doc); /* Attributes + ---------------------------------------------------------------------- */ // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes=assert(function(div){div.className="i";return !div.getAttribute("className");}); /* getElement(s)By* + ---------------------------------------------------------------------- */ // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName=assert(function(div){div.appendChild(doc.createComment(""));return !div.getElementsByTagName("*").length;}); // Support: IE<9 + support.getElementsByClassName=rnative.test(doc.getElementsByClassName); // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programatically-set names, + // so use a roundabout getElementsByName test + support.getById=assert(function(div){docElem.appendChild(div).id=expando;return !doc.getElementsByName||!doc.getElementsByName(expando).length;}); // ID find and filter + if(support.getById){Expr.find["ID"]=function(id,context){if(typeof context.getElementById!=="undefined"&&documentIsHTML){var m=context.getElementById(id); // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document #6963 + return m&&m.parentNode?[m]:[];}};Expr.filter["ID"]=function(id){var attrId=id.replace(runescape,funescape);return function(elem){return elem.getAttribute("id")===attrId;};};}else { // Support: IE6/7 + // getElementById is not reliable as a find shortcut + delete Expr.find["ID"];Expr.filter["ID"]=function(id){var attrId=id.replace(runescape,funescape);return function(elem){var node=typeof elem.getAttributeNode!=="undefined"&&elem.getAttributeNode("id");return node&&node.value===attrId;};};} // Tag + Expr.find["TAG"]=support.getElementsByTagName?function(tag,context){if(typeof context.getElementsByTagName!=="undefined"){return context.getElementsByTagName(tag); // DocumentFragment nodes don't have gEBTN + }else if(support.qsa){return context.querySelectorAll(tag);}}:function(tag,context){var elem,tmp=[],i=0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + results=context.getElementsByTagName(tag); // Filter out possible comments + if(tag==="*"){while(elem=results[i++]){if(elem.nodeType===1){tmp.push(elem);}}return tmp;}return results;}; // Class + Expr.find["CLASS"]=support.getElementsByClassName&&function(className,context){if(documentIsHTML){return context.getElementsByClassName(className);}}; /* QSA/matchesSelector + ---------------------------------------------------------------------- */ // QSA and matchesSelector support + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches=[]; // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See http://bugs.jquery.com/ticket/13378 + rbuggyQSA=[];if(support.qsa=rnative.test(doc.querySelectorAll)){ // Build QSA regex + // Regex strategy adopted from Diego Perini + assert(function(div){ // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // http://bugs.jquery.com/ticket/12359 + docElem.appendChild(div).innerHTML=""+""; // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if(div.querySelectorAll("[msallowcapture^='']").length){rbuggyQSA.push("[*^$]="+whitespace+"*(?:''|\"\")");} // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if(!div.querySelectorAll("[selected]").length){rbuggyQSA.push("\\["+whitespace+"*(?:value|"+booleans+")");} // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+ + if(!div.querySelectorAll("[id~="+expando+"-]").length){rbuggyQSA.push("~=");} // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if(!div.querySelectorAll(":checked").length){rbuggyQSA.push(":checked");} // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibing-combinator selector` fails + if(!div.querySelectorAll("a#"+expando+"+*").length){rbuggyQSA.push(".#.+[+~]");}});assert(function(div){ // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input=doc.createElement("input");input.setAttribute("type","hidden");div.appendChild(input).setAttribute("name","D"); // Support: IE8 + // Enforce case-sensitivity of name attribute + if(div.querySelectorAll("[name=d]").length){rbuggyQSA.push("name"+whitespace+"*[*^$|!~]?=");} // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if(!div.querySelectorAll(":enabled").length){rbuggyQSA.push(":enabled",":disabled");} // Opera 10-11 does not throw on post-comma invalid pseudos + div.querySelectorAll("*,:x");rbuggyQSA.push(",.*:");});}if(support.matchesSelector=rnative.test(matches=docElem.matches||docElem.webkitMatchesSelector||docElem.mozMatchesSelector||docElem.oMatchesSelector||docElem.msMatchesSelector)){assert(function(div){ // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch=matches.call(div,"div"); // This should fail with an exception + // Gecko does not error, returns false instead + matches.call(div,"[s!='']:x");rbuggyMatches.push("!=",pseudos);});}rbuggyQSA=rbuggyQSA.length&&new RegExp(rbuggyQSA.join("|"));rbuggyMatches=rbuggyMatches.length&&new RegExp(rbuggyMatches.join("|")); /* Contains + ---------------------------------------------------------------------- */hasCompare=rnative.test(docElem.compareDocumentPosition); // Element contains another + // Purposefully does not implement inclusive descendent + // As in, an element does not contain itself + contains=hasCompare||rnative.test(docElem.contains)?function(a,b){var adown=a.nodeType===9?a.documentElement:a,bup=b&&b.parentNode;return a===bup||!!(bup&&bup.nodeType===1&&(adown.contains?adown.contains(bup):a.compareDocumentPosition&&a.compareDocumentPosition(bup)&16));}:function(a,b){if(b){while(b=b.parentNode){if(b===a){return true;}}}return false;}; /* Sorting + ---------------------------------------------------------------------- */ // Document order sorting + sortOrder=hasCompare?function(a,b){ // Flag for duplicate removal + if(a===b){hasDuplicate=true;return 0;} // Sort on method existence if only one input has compareDocumentPosition + var compare=!a.compareDocumentPosition-!b.compareDocumentPosition;if(compare){return compare;} // Calculate position if both inputs belong to the same document + compare=(a.ownerDocument||a)===(b.ownerDocument||b)?a.compareDocumentPosition(b): // Otherwise we know they are disconnected + 1; // Disconnected nodes + if(compare&1||!support.sortDetached&&b.compareDocumentPosition(a)===compare){ // Choose the first element that is related to our preferred document + if(a===doc||a.ownerDocument===preferredDoc&&contains(preferredDoc,a)){return -1;}if(b===doc||b.ownerDocument===preferredDoc&&contains(preferredDoc,b)){return 1;} // Maintain original order + return sortInput?indexOf(sortInput,a)-indexOf(sortInput,b):0;}return compare&4?-1:1;}:function(a,b){ // Exit early if the nodes are identical + if(a===b){hasDuplicate=true;return 0;}var cur,i=0,aup=a.parentNode,bup=b.parentNode,ap=[a],bp=[b]; // Parentless nodes are either documents or disconnected + if(!aup||!bup){return a===doc?-1:b===doc?1:aup?-1:bup?1:sortInput?indexOf(sortInput,a)-indexOf(sortInput,b):0; // If the nodes are siblings, we can do a quick check + }else if(aup===bup){return siblingCheck(a,b);} // Otherwise we need full lists of their ancestors for comparison + cur=a;while(cur=cur.parentNode){ap.unshift(cur);}cur=b;while(cur=cur.parentNode){bp.unshift(cur);} // Walk down the tree looking for a discrepancy + while(ap[i]===bp[i]){i++;}return i? // Do a sibling check if the nodes have a common ancestor + siblingCheck(ap[i],bp[i]): // Otherwise nodes in our document sort first + ap[i]===preferredDoc?-1:bp[i]===preferredDoc?1:0;};return doc;};Sizzle.matches=function(expr,elements){return Sizzle(expr,null,null,elements);};Sizzle.matchesSelector=function(elem,expr){ // Set document vars if needed + if((elem.ownerDocument||elem)!==document){setDocument(elem);} // Make sure that attribute selectors are quoted + expr=expr.replace(rattributeQuotes,"='$1']");if(support.matchesSelector&&documentIsHTML&&(!rbuggyMatches||!rbuggyMatches.test(expr))&&(!rbuggyQSA||!rbuggyQSA.test(expr))){try{var ret=matches.call(elem,expr); // IE 9's matchesSelector returns false on disconnected nodes + if(ret||support.disconnectedMatch|| // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document&&elem.document.nodeType!==11){return ret;}}catch(e){}}return Sizzle(expr,document,null,[elem]).length>0;};Sizzle.contains=function(context,elem){ // Set document vars if needed + if((context.ownerDocument||context)!==document){setDocument(context);}return contains(context,elem);};Sizzle.attr=function(elem,name){ // Set document vars if needed + if((elem.ownerDocument||elem)!==document){setDocument(elem);}var fn=Expr.attrHandle[name.toLowerCase()], // Don't get fooled by Object.prototype properties (jQuery #13807) + val=fn&&hasOwn.call(Expr.attrHandle,name.toLowerCase())?fn(elem,name,!documentIsHTML):undefined;return val!==undefined?val:support.attributes||!documentIsHTML?elem.getAttribute(name):(val=elem.getAttributeNode(name))&&val.specified?val.value:null;};Sizzle.error=function(msg){throw new Error("Syntax error, unrecognized expression: "+msg);}; /** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */Sizzle.uniqueSort=function(results){var elem,duplicates=[],j=0,i=0; // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate=!support.detectDuplicates;sortInput=!support.sortStable&&results.slice(0);results.sort(sortOrder);if(hasDuplicate){while(elem=results[i++]){if(elem===results[i]){j=duplicates.push(i);}}while(j--){results.splice(duplicates[j],1);}} // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput=null;return results;}; /** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */getText=Sizzle.getText=function(elem){var node,ret="",i=0,nodeType=elem.nodeType;if(!nodeType){ // If no nodeType, this is expected to be an array + while(node=elem[i++]){ // Do not traverse comment nodes + ret+=getText(node);}}else if(nodeType===1||nodeType===9||nodeType===11){ // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if(typeof elem.textContent==="string"){return elem.textContent;}else { // Traverse its children + for(elem=elem.firstChild;elem;elem=elem.nextSibling){ret+=getText(elem);}}}else if(nodeType===3||nodeType===4){return elem.nodeValue;} // Do not include comment or processing instruction nodes + return ret;};Expr=Sizzle.selectors={ // Can be adjusted by the user + cacheLength:50,createPseudo:markFunction,match:matchExpr,attrHandle:{},find:{},relative:{">":{dir:"parentNode",first:true}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:true},"~":{dir:"previousSibling"}},preFilter:{"ATTR":function ATTR(match){match[1]=match[1].replace(runescape,funescape); // Move the given value to match[3] whether quoted or unquoted + match[3]=(match[3]||match[4]||match[5]||"").replace(runescape,funescape);if(match[2]==="~="){match[3]=" "+match[3]+" ";}return match.slice(0,4);},"CHILD":function CHILD(match){ /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */match[1]=match[1].toLowerCase();if(match[1].slice(0,3)==="nth"){ // nth-* requires argument + if(!match[3]){Sizzle.error(match[0]);} // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[4]=+(match[4]?match[5]+(match[6]||1):2*(match[3]==="even"||match[3]==="odd"));match[5]=+(match[7]+match[8]||match[3]==="odd"); // other types prohibit arguments + }else if(match[3]){Sizzle.error(match[0]);}return match;},"PSEUDO":function PSEUDO(match){var excess,unquoted=!match[6]&&match[2];if(matchExpr["CHILD"].test(match[0])){return null;} // Accept quoted arguments as-is + if(match[3]){match[2]=match[4]||match[5]||""; // Strip excess characters from unquoted arguments + }else if(unquoted&&rpseudo.test(unquoted)&&( // Get excess from tokenize (recursively) + excess=tokenize(unquoted,true))&&( // advance to the next closing parenthesis + excess=unquoted.indexOf(")",unquoted.length-excess)-unquoted.length)){ // excess is a negative index + match[0]=match[0].slice(0,excess);match[2]=unquoted.slice(0,excess);} // Return only captures needed by the pseudo filter method (type and argument) + return match.slice(0,3);}},filter:{"TAG":function TAG(nodeNameSelector){var nodeName=nodeNameSelector.replace(runescape,funescape).toLowerCase();return nodeNameSelector==="*"?function(){return true;}:function(elem){return elem.nodeName&&elem.nodeName.toLowerCase()===nodeName;};},"CLASS":function CLASS(className){var pattern=classCache[className+" "];return pattern||(pattern=new RegExp("(^|"+whitespace+")"+className+"("+whitespace+"|$)"))&&classCache(className,function(elem){return pattern.test(typeof elem.className==="string"&&elem.className||typeof elem.getAttribute!=="undefined"&&elem.getAttribute("class")||"");});},"ATTR":function ATTR(name,operator,check){return function(elem){var result=Sizzle.attr(elem,name);if(result==null){return operator==="!=";}if(!operator){return true;}result+="";return operator==="="?result===check:operator==="!="?result!==check:operator==="^="?check&&result.indexOf(check)===0:operator==="*="?check&&result.indexOf(check)>-1:operator==="$="?check&&result.slice(-check.length)===check:operator==="~="?(" "+result.replace(rwhitespace," ")+" ").indexOf(check)>-1:operator==="|="?result===check||result.slice(0,check.length+1)===check+"-":false;};},"CHILD":function CHILD(type,what,argument,first,last){var simple=type.slice(0,3)!=="nth",forward=type.slice(-4)!=="last",ofType=what==="of-type";return first===1&&last===0? // Shortcut for :nth-*(n) + function(elem){return !!elem.parentNode;}:function(elem,context,xml){var cache,outerCache,node,diff,nodeIndex,start,dir=simple!==forward?"nextSibling":"previousSibling",parent=elem.parentNode,name=ofType&&elem.nodeName.toLowerCase(),useCache=!xml&&!ofType;if(parent){ // :(first|last|only)-(child|of-type) + if(simple){while(dir){node=elem;while(node=node[dir]){if(ofType?node.nodeName.toLowerCase()===name:node.nodeType===1){return false;}} // Reverse direction for :only-* (if we haven't yet done so) + start=dir=type==="only"&&!start&&"nextSibling";}return true;}start=[forward?parent.firstChild:parent.lastChild]; // non-xml :nth-child(...) stores cache data on `parent` + if(forward&&useCache){ // Seek `elem` from a previously-cached index + outerCache=parent[expando]||(parent[expando]={});cache=outerCache[type]||[];nodeIndex=cache[0]===dirruns&&cache[1];diff=cache[0]===dirruns&&cache[2];node=nodeIndex&&parent.childNodes[nodeIndex];while(node=++nodeIndex&&node&&node[dir]||( // Fallback to seeking `elem` from the start + diff=nodeIndex=0)||start.pop()){ // When found, cache indexes on `parent` and break + if(node.nodeType===1&&++diff&&node===elem){outerCache[type]=[dirruns,nodeIndex,diff];break;}} // Use previously-cached element index if available + }else if(useCache&&(cache=(elem[expando]||(elem[expando]={}))[type])&&cache[0]===dirruns){diff=cache[1]; // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) + }else { // Use the same loop as above to seek `elem` from the start + while(node=++nodeIndex&&node&&node[dir]||(diff=nodeIndex=0)||start.pop()){if((ofType?node.nodeName.toLowerCase()===name:node.nodeType===1)&&++diff){ // Cache the index of each encountered element + if(useCache){(node[expando]||(node[expando]={}))[type]=[dirruns,diff];}if(node===elem){break;}}}} // Incorporate the offset, then check against cycle size + diff-=last;return diff===first||diff%first===0&&diff/first>=0;}};},"PSEUDO":function PSEUDO(pseudo,argument){ // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args,fn=Expr.pseudos[pseudo]||Expr.setFilters[pseudo.toLowerCase()]||Sizzle.error("unsupported pseudo: "+pseudo); // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if(fn[expando]){return fn(argument);} // But maintain support for old signatures + if(fn.length>1){args=[pseudo,pseudo,"",argument];return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase())?markFunction(function(seed,matches){var idx,matched=fn(seed,argument),i=matched.length;while(i--){idx=indexOf(seed,matched[i]);seed[idx]=!(matches[idx]=matched[i]);}}):function(elem){return fn(elem,0,args);};}return fn;}},pseudos:{ // Potentially complex pseudos + "not":markFunction(function(selector){ // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input=[],results=[],matcher=compile(selector.replace(rtrim,"$1"));return matcher[expando]?markFunction(function(seed,matches,context,xml){var elem,unmatched=matcher(seed,null,xml,[]),i=seed.length; // Match elements unmatched by `matcher` + while(i--){if(elem=unmatched[i]){seed[i]=!(matches[i]=elem);}}}):function(elem,context,xml){input[0]=elem;matcher(input,null,xml,results); // Don't keep the element (issue #299) + input[0]=null;return !results.pop();};}),"has":markFunction(function(selector){return function(elem){return Sizzle(selector,elem).length>0;};}),"contains":markFunction(function(text){text=text.replace(runescape,funescape);return function(elem){return (elem.textContent||elem.innerText||getText(elem)).indexOf(text)>-1;};}), // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang":markFunction(function(lang){ // lang value must be a valid identifier + if(!ridentifier.test(lang||"")){Sizzle.error("unsupported lang: "+lang);}lang=lang.replace(runescape,funescape).toLowerCase();return function(elem){var elemLang;do {if(elemLang=documentIsHTML?elem.lang:elem.getAttribute("xml:lang")||elem.getAttribute("lang")){elemLang=elemLang.toLowerCase();return elemLang===lang||elemLang.indexOf(lang+"-")===0;}}while((elem=elem.parentNode)&&elem.nodeType===1);return false;};}), // Miscellaneous + "target":function target(elem){var hash=window.location&&window.location.hash;return hash&&hash.slice(1)===elem.id;},"root":function root(elem){return elem===docElem;},"focus":function focus(elem){return elem===document.activeElement&&(!document.hasFocus||document.hasFocus())&&!!(elem.type||elem.href||~elem.tabIndex);}, // Boolean properties + "enabled":function enabled(elem){return elem.disabled===false;},"disabled":function disabled(elem){return elem.disabled===true;},"checked":function checked(elem){ // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName=elem.nodeName.toLowerCase();return nodeName==="input"&&!!elem.checked||nodeName==="option"&&!!elem.selected;},"selected":function selected(elem){ // Accessing this property makes selected-by-default + // options in Safari work properly + if(elem.parentNode){elem.parentNode.selectedIndex;}return elem.selected===true;}, // Contents + "empty":function empty(elem){ // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for(elem=elem.firstChild;elem;elem=elem.nextSibling){if(elem.nodeType<6){return false;}}return true;},"parent":function parent(elem){return !Expr.pseudos["empty"](elem);}, // Element/input types + "header":function header(elem){return rheader.test(elem.nodeName);},"input":function input(elem){return rinputs.test(elem.nodeName);},"button":function button(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type==="button"||name==="button";},"text":function text(elem){var attr;return elem.nodeName.toLowerCase()==="input"&&elem.type==="text"&&( // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + (attr=elem.getAttribute("type"))==null||attr.toLowerCase()==="text");}, // Position-in-collection + "first":createPositionalPseudo(function(){return [0];}),"last":createPositionalPseudo(function(matchIndexes,length){return [length-1];}),"eq":createPositionalPseudo(function(matchIndexes,length,argument){return [argument<0?argument+length:argument];}),"even":createPositionalPseudo(function(matchIndexes,length){var i=0;for(;i=0;){matchIndexes.push(i);}return matchIndexes;}),"gt":createPositionalPseudo(function(matchIndexes,length,argument){var i=argument<0?argument+length:argument;for(;++i1?function(elem,context,xml){var i=matchers.length;while(i--){if(!matchers[i](elem,context,xml)){return false;}}return true;}:matchers[0];}function multipleContexts(selector,contexts,results){var i=0,len=contexts.length;for(;i-1){seed[temp]=!(results[temp]=elem);}}} // Add elements to results, through postFinder if defined + }else {matcherOut=condense(matcherOut===results?matcherOut.splice(preexisting,matcherOut.length):matcherOut);if(postFinder){postFinder(null,results,matcherOut,xml);}else {push.apply(results,matcherOut);}}});}function matcherFromTokens(tokens){var checkContext,matcher,j,len=tokens.length,leadingRelative=Expr.relative[tokens[0].type],implicitRelative=leadingRelative||Expr.relative[" "],i=leadingRelative?1:0, // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext=addCombinator(function(elem){return elem===checkContext;},implicitRelative,true),matchAnyContext=addCombinator(function(elem){return indexOf(checkContext,elem)>-1;},implicitRelative,true),matchers=[function(elem,context,xml){var ret=!leadingRelative&&(xml||context!==outermostContext)||((checkContext=context).nodeType?matchContext(elem,context,xml):matchAnyContext(elem,context,xml)); // Avoid hanging onto element (issue #299) + checkContext=null;return ret;}];for(;i1&&elementMatcher(matchers),i>1&&toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens.slice(0,i-1).concat({value:tokens[i-2].type===" "?"*":""})).replace(rtrim,"$1"),matcher,i0,byElement=elementMatchers.length>0,superMatcher=function superMatcher(seed,context,xml,results,outermost){var elem,j,matcher,matchedCount=0,i="0",unmatched=seed&&[],setMatched=[],contextBackup=outermostContext, // We must always have either seed elements or outermost context + elems=seed||byElement&&Expr.find["TAG"]("*",outermost), // Use integer dirruns iff this is the outermost matcher + dirrunsUnique=dirruns+=contextBackup==null?1:Math.random()||0.1,len=elems.length;if(outermost){outermostContext=context!==document&&context;} // Add elements passing elementMatchers directly to results + // Keep `i` a string if there are no elements so `matchedCount` will be "00" below + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for(;i!==len&&(elem=elems[i])!=null;i++){if(byElement&&elem){j=0;while(matcher=elementMatchers[j++]){if(matcher(elem,context,xml)){results.push(elem);break;}}if(outermost){dirruns=dirrunsUnique;}} // Track unmatched elements for set filters + if(bySet){ // They will have gone through all possible matchers + if(elem=!matcher&&elem){matchedCount--;} // Lengthen the array for every element, matched or not + if(seed){unmatched.push(elem);}}} // Apply set filters to unmatched elements + matchedCount+=i;if(bySet&&i!==matchedCount){j=0;while(matcher=setMatchers[j++]){matcher(unmatched,setMatched,context,xml);}if(seed){ // Reintegrate element matches to eliminate the need for sorting + if(matchedCount>0){while(i--){if(!(unmatched[i]||setMatched[i])){setMatched[i]=pop.call(results);}}} // Discard index placeholder values to get only actual matches + setMatched=condense(setMatched);} // Add matches to results + push.apply(results,setMatched); // Seedless set matches succeeding multiple successful matchers stipulate sorting + if(outermost&&!seed&&setMatched.length>0&&matchedCount+setMatchers.length>1){Sizzle.uniqueSort(results);}} // Override manipulation of globals by nested matchers + if(outermost){dirruns=dirrunsUnique;outermostContext=contextBackup;}return unmatched;};return bySet?markFunction(superMatcher):superMatcher;}compile=Sizzle.compile=function(selector,match /* Internal Use Only */){var i,setMatchers=[],elementMatchers=[],cached=compilerCache[selector+" "];if(!cached){ // Generate a function of recursive functions that can be used to check each element + if(!match){match=tokenize(selector);}i=match.length;while(i--){cached=matcherFromTokens(match[i]);if(cached[expando]){setMatchers.push(cached);}else {elementMatchers.push(cached);}} // Cache the compiled function + cached=compilerCache(selector,matcherFromGroupMatchers(elementMatchers,setMatchers)); // Save selector and tokenization + cached.selector=selector;}return cached;}; /** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */select=Sizzle.select=function(selector,context,results,seed){var i,tokens,token,type,find,compiled=typeof selector==="function"&&selector,match=!seed&&tokenize(selector=compiled.selector||selector);results=results||[]; // Try to minimize operations if there is no seed and only one group + if(match.length===1){ // Take a shortcut and set the context if the root selector is an ID + tokens=match[0]=match[0].slice(0);if(tokens.length>2&&(token=tokens[0]).type==="ID"&&support.getById&&context.nodeType===9&&documentIsHTML&&Expr.relative[tokens[1].type]){context=(Expr.find["ID"](token.matches[0].replace(runescape,funescape),context)||[])[0];if(!context){return results; // Precompiled matchers will still verify ancestry, so step up a level + }else if(compiled){context=context.parentNode;}selector=selector.slice(tokens.shift().value.length);} // Fetch a seed set for right-to-left matching + i=matchExpr["needsContext"].test(selector)?0:tokens.length;while(i--){token=tokens[i]; // Abort if we hit a combinator + if(Expr.relative[type=token.type]){break;}if(find=Expr.find[type]){ // Search, expanding context for leading sibling combinators + if(seed=find(token.matches[0].replace(runescape,funescape),rsibling.test(tokens[0].type)&&testContext(context.parentNode)||context)){ // If seed is empty or no tokens remain, we can return early + tokens.splice(i,1);selector=seed.length&&toSelector(tokens);if(!selector){push.apply(results,seed);return results;}break;}}}} // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + (compiled||compile(selector,match))(seed,context,!documentIsHTML,results,rsibling.test(selector)&&testContext(context.parentNode)||context);return results;}; // One-time assignments + // Sort stability + support.sortStable=expando.split("").sort(sortOrder).join("")===expando; // Support: Chrome 14-35+ + // Always assume duplicates if they aren't passed to the comparison function + support.detectDuplicates=!!hasDuplicate; // Initialize against the default document + setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) + // Detached nodes confoundingly follow *each other* + support.sortDetached=assert(function(div1){ // Should return 1, but returns 4 (following) + return div1.compareDocumentPosition(document.createElement("div"))&1;}); // Support: IE<8 + // Prevent attribute/property "interpolation" + // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx + if(!assert(function(div){div.innerHTML="";return div.firstChild.getAttribute("href")==="#";})){addHandle("type|href|height|width",function(elem,name,isXML){if(!isXML){return elem.getAttribute(name,name.toLowerCase()==="type"?1:2);}});} // Support: IE<9 + // Use defaultValue in place of getAttribute("value") + if(!support.attributes||!assert(function(div){div.innerHTML="";div.firstChild.setAttribute("value","");return div.firstChild.getAttribute("value")==="";})){addHandle("value",function(elem,name,isXML){if(!isXML&&elem.nodeName.toLowerCase()==="input"){return elem.defaultValue;}});} // Support: IE<9 + // Use getAttributeNode to fetch booleans when getAttribute lies + if(!assert(function(div){return div.getAttribute("disabled")==null;})){addHandle(booleans,function(elem,name,isXML){var val;if(!isXML){return elem[name]===true?name.toLowerCase():(val=elem.getAttributeNode(name))&&val.specified?val.value:null;}});}return Sizzle;}(window);jQuery.find=Sizzle;jQuery.expr=Sizzle.selectors;jQuery.expr[":"]=jQuery.expr.pseudos;jQuery.unique=Sizzle.uniqueSort;jQuery.text=Sizzle.getText;jQuery.isXMLDoc=Sizzle.isXML;jQuery.contains=Sizzle.contains;var rneedsContext=jQuery.expr.match.needsContext;var rsingleTag=/^<(\w+)\s*\/?>(?:<\/\1>|)$/;var risSimple=/^.[^:#\[\.,]*$/; // Implement the identical functionality for filter and not + function winnow(elements,qualifier,not){if(jQuery.isFunction(qualifier)){return jQuery.grep(elements,function(elem,i){ /* jshint -W018 */return !!qualifier.call(elem,i,elem)!==not;});}if(qualifier.nodeType){return jQuery.grep(elements,function(elem){return elem===qualifier!==not;});}if(typeof qualifier==="string"){if(risSimple.test(qualifier)){return jQuery.filter(qualifier,elements,not);}qualifier=jQuery.filter(qualifier,elements);}return jQuery.grep(elements,function(elem){return indexOf.call(qualifier,elem)>=0!==not;});}jQuery.filter=function(expr,elems,not){var elem=elems[0];if(not){expr=":not("+expr+")";}return elems.length===1&&elem.nodeType===1?jQuery.find.matchesSelector(elem,expr)?[elem]:[]:jQuery.find.matches(expr,jQuery.grep(elems,function(elem){return elem.nodeType===1;}));};jQuery.fn.extend({find:function find(selector){var i,len=this.length,ret=[],self=this;if(typeof selector!=="string"){return this.pushStack(jQuery(selector).filter(function(){for(i=0;i1?jQuery.unique(ret):ret);ret.selector=this.selector?this.selector+" "+selector:selector;return ret;},filter:function filter(selector){return this.pushStack(winnow(this,selector||[],false));},not:function not(selector){return this.pushStack(winnow(this,selector||[],true));},is:function is(selector){return !!winnow(this, // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector==="string"&&rneedsContext.test(selector)?jQuery(selector):selector||[],false).length;}}); // Initialize a jQuery object + // A central reference to the root jQuery(document) + var rootjQuery, // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + rquickExpr=/^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,init=jQuery.fn.init=function(selector,context){var match,elem; // HANDLE: $(""), $(null), $(undefined), $(false) + if(!selector){return this;} // Handle HTML strings + if(typeof selector==="string"){if(selector[0]==="<"&&selector[selector.length-1]===">"&&selector.length>=3){ // Assume that strings that start and end with <> are HTML and skip the regex check + match=[null,selector,null];}else {match=rquickExpr.exec(selector);} // Match html or make sure no context is specified for #id + if(match&&(match[1]||!context)){ // HANDLE: $(html) -> $(array) + if(match[1]){context=context instanceof jQuery?context[0]:context; // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge(this,jQuery.parseHTML(match[1],context&&context.nodeType?context.ownerDocument||context:document,true)); // HANDLE: $(html, props) + if(rsingleTag.test(match[1])&&jQuery.isPlainObject(context)){for(match in context){ // Properties of context are called as methods if possible + if(jQuery.isFunction(this[match])){this[match](context[match]); // ...and otherwise set as attributes + }else {this.attr(match,context[match]);}}}return this; // HANDLE: $(#id) + }else {elem=document.getElementById(match[2]); // Support: Blackberry 4.6 + // gEBID returns nodes no longer in the document (#6963) + if(elem&&elem.parentNode){ // Inject the element directly into the jQuery object + this.length=1;this[0]=elem;}this.context=document;this.selector=selector;return this;} // HANDLE: $(expr, $(...)) + }else if(!context||context.jquery){return (context||rootjQuery).find(selector); // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + }else {return this.constructor(context).find(selector);} // HANDLE: $(DOMElement) + }else if(selector.nodeType){this.context=this[0]=selector;this.length=1;return this; // HANDLE: $(function) + // Shortcut for document ready + }else if(jQuery.isFunction(selector)){return typeof rootjQuery.ready!=="undefined"?rootjQuery.ready(selector): // Execute immediately if ready is not present + selector(jQuery);}if(selector.selector!==undefined){this.selector=selector.selector;this.context=selector.context;}return jQuery.makeArray(selector,this);}; // Give the init function the jQuery prototype for later instantiation + init.prototype=jQuery.fn; // Initialize central reference + rootjQuery=jQuery(document);var rparentsprev=/^(?:parents|prev(?:Until|All))/, // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique={children:true,contents:true,next:true,prev:true};jQuery.extend({dir:function dir(elem,_dir,until){var matched=[],truncate=until!==undefined;while((elem=elem[_dir])&&elem.nodeType!==9){if(elem.nodeType===1){if(truncate&&jQuery(elem).is(until)){break;}matched.push(elem);}}return matched;},sibling:function sibling(n,elem){var matched=[];for(;n;n=n.nextSibling){if(n.nodeType===1&&n!==elem){matched.push(n);}}return matched;}});jQuery.fn.extend({has:function has(target){var targets=jQuery(target,this),l=targets.length;return this.filter(function(){var i=0;for(;i-1: // Don't pass non-elements to Sizzle + cur.nodeType===1&&jQuery.find.matchesSelector(cur,selectors))){matched.push(cur);break;}}}return this.pushStack(matched.length>1?jQuery.unique(matched):matched);}, // Determine the position of an element within the set + index:function index(elem){ // No argument, return index in parent + if(!elem){return this[0]&&this[0].parentNode?this.first().prevAll().length:-1;} // Index in selector + if(typeof elem==="string"){return indexOf.call(jQuery(elem),this[0]);} // Locate the position of the desired element + return indexOf.call(this, // If it receives a jQuery object, the first element is used + elem.jquery?elem[0]:elem);},add:function add(selector,context){return this.pushStack(jQuery.unique(jQuery.merge(this.get(),jQuery(selector,context))));},addBack:function addBack(selector){return this.add(selector==null?this.prevObject:this.prevObject.filter(selector));}});function sibling(cur,dir){while((cur=cur[dir])&&cur.nodeType!==1){}return cur;}jQuery.each({parent:function parent(elem){var parent=elem.parentNode;return parent&&parent.nodeType!==11?parent:null;},parents:function parents(elem){return jQuery.dir(elem,"parentNode");},parentsUntil:function parentsUntil(elem,i,until){return jQuery.dir(elem,"parentNode",until);},next:function next(elem){return sibling(elem,"nextSibling");},prev:function prev(elem){return sibling(elem,"previousSibling");},nextAll:function nextAll(elem){return jQuery.dir(elem,"nextSibling");},prevAll:function prevAll(elem){return jQuery.dir(elem,"previousSibling");},nextUntil:function nextUntil(elem,i,until){return jQuery.dir(elem,"nextSibling",until);},prevUntil:function prevUntil(elem,i,until){return jQuery.dir(elem,"previousSibling",until);},siblings:function siblings(elem){return jQuery.sibling((elem.parentNode||{}).firstChild,elem);},children:function children(elem){return jQuery.sibling(elem.firstChild);},contents:function contents(elem){return elem.contentDocument||jQuery.merge([],elem.childNodes);}},function(name,fn){jQuery.fn[name]=function(until,selector){var matched=jQuery.map(this,fn,until);if(name.slice(-5)!=="Until"){selector=until;}if(selector&&typeof selector==="string"){matched=jQuery.filter(selector,matched);}if(this.length>1){ // Remove duplicates + if(!guaranteedUnique[name]){jQuery.unique(matched);} // Reverse order for parents* and prev-derivatives + if(rparentsprev.test(name)){matched.reverse();}}return this.pushStack(matched);};});var rnotwhite=/\S+/g; // String to Object options format cache + var optionsCache={}; // Convert String-formatted options into Object-formatted ones and store in cache + function createOptions(options){var object=optionsCache[options]={};jQuery.each(options.match(rnotwhite)||[],function(_,flag){object[flag]=true;});return object;} /* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */jQuery.Callbacks=function(options){ // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options=typeof options==="string"?optionsCache[options]||createOptions(options):jQuery.extend({},options);var // Last fire value (for non-forgettable lists) + memory, // Flag to know if list was already fired + _fired, // Flag to know if list is currently firing + firing, // First callback to fire (used internally by add and fireWith) + firingStart, // End of the loop when firing + firingLength, // Index of currently firing callback (modified by remove if needed) + firingIndex, // Actual callback list + list=[], // Stack of fire calls for repeatable lists + stack=!options.once&&[], // Fire callbacks + fire=function fire(data){memory=options.memory&&data;_fired=true;firingIndex=firingStart||0;firingStart=0;firingLength=list.length;firing=true;for(;list&&firingIndex-1){list.splice(index,1); // Handle firing indexes + if(firing){if(index<=firingLength){firingLength--;}if(index<=firingIndex){firingIndex--;}}}});}return this;}, // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has:function has(fn){return fn?jQuery.inArray(fn,list)>-1:!!(list&&list.length);}, // Remove all callbacks from the list + empty:function empty(){list=[];firingLength=0;return this;}, // Have the list do nothing anymore + disable:function disable(){list=stack=memory=undefined;return this;}, // Is it disabled? + disabled:function disabled(){return !list;}, // Lock the list in its current state + lock:function lock(){stack=undefined;if(!memory){self.disable();}return this;}, // Is it locked? + locked:function locked(){return !stack;}, // Call all callbacks with the given context and arguments + fireWith:function fireWith(context,args){if(list&&(!_fired||stack)){args=args||[];args=[context,args.slice?args.slice():args];if(firing){stack.push(args);}else {fire(args);}}return this;}, // Call all the callbacks with the given arguments + fire:function fire(){self.fireWith(this,arguments);return this;}, // To know if the callbacks have already been called at least once + fired:function fired(){return !!_fired;}};return self;};jQuery.extend({Deferred:function Deferred(func){var tuples=[ // action, add listener, listener list, final state + ["resolve","done",jQuery.Callbacks("once memory"),"resolved"],["reject","fail",jQuery.Callbacks("once memory"),"rejected"],["notify","progress",jQuery.Callbacks("memory")]],_state="pending",_promise={state:function state(){return _state;},always:function always(){deferred.done(arguments).fail(arguments);return this;},then:function then() /* fnDone, fnFail, fnProgress */{var fns=arguments;return jQuery.Deferred(function(newDefer){jQuery.each(tuples,function(i,tuple){var fn=jQuery.isFunction(fns[i])&&fns[i]; // deferred[ done | fail | progress ] for forwarding actions to newDefer + deferred[tuple[1]](function(){var returned=fn&&fn.apply(this,arguments);if(returned&&jQuery.isFunction(returned.promise)){returned.promise().done(newDefer.resolve).fail(newDefer.reject).progress(newDefer.notify);}else {newDefer[tuple[0]+"With"](this===_promise?newDefer.promise():this,fn?[returned]:arguments);}});});fns=null;}).promise();}, // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise:function promise(obj){return obj!=null?jQuery.extend(obj,_promise):_promise;}},deferred={}; // Keep pipe for back-compat + _promise.pipe=_promise.then; // Add list-specific methods + jQuery.each(tuples,function(i,tuple){var list=tuple[2],stateString=tuple[3]; // promise[ done | fail | progress ] = list.add + _promise[tuple[1]]=list.add; // Handle state + if(stateString){list.add(function(){ // state = [ resolved | rejected ] + _state=stateString; // [ reject_list | resolve_list ].disable; progress_list.lock + },tuples[i^1][2].disable,tuples[2][2].lock);} // deferred[ resolve | reject | notify ] + deferred[tuple[0]]=function(){deferred[tuple[0]+"With"](this===deferred?_promise:this,arguments);return this;};deferred[tuple[0]+"With"]=list.fireWith;}); // Make the deferred a promise + _promise.promise(deferred); // Call given func if any + if(func){func.call(deferred,deferred);} // All done! + return deferred;}, // Deferred helper + when:function when(subordinate /* , ..., subordinateN */){var i=0,resolveValues=_slice.call(arguments),length=resolveValues.length, // the count of uncompleted subordinates + remaining=length!==1||subordinate&&jQuery.isFunction(subordinate.promise)?length:0, // the master Deferred. If resolveValues consist of only a single Deferred, just use that. + deferred=remaining===1?subordinate:jQuery.Deferred(), // Update function for both resolve and progress values + updateFunc=function updateFunc(i,contexts,values){return function(value){contexts[i]=this;values[i]=arguments.length>1?_slice.call(arguments):value;if(values===progressValues){deferred.notifyWith(contexts,values);}else if(! --remaining){deferred.resolveWith(contexts,values);}};},progressValues,progressContexts,resolveContexts; // Add listeners to Deferred subordinates; treat others as resolved + if(length>1){progressValues=new Array(length);progressContexts=new Array(length);resolveContexts=new Array(length);for(;i0){return;} // If there are functions bound, to execute + readyList.resolveWith(document,[jQuery]); // Trigger any bound ready events + if(jQuery.fn.triggerHandler){jQuery(document).triggerHandler("ready");jQuery(document).off("ready");}}}); /** + * The ready event handler and self cleanup method + */function completed(){document.removeEventListener("DOMContentLoaded",completed,false);window.removeEventListener("load",completed,false);jQuery.ready();}jQuery.ready.promise=function(obj){if(!readyList){readyList=jQuery.Deferred(); // Catch cases where $(document).ready() is called after the browser event has already occurred. + // We once tried to use readyState "interactive" here, but it caused issues like the one + // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 + if(document.readyState==="complete"){ // Handle it asynchronously to allow scripts the opportunity to delay ready + setTimeout(jQuery.ready);}else { // Use the handy event callback + document.addEventListener("DOMContentLoaded",completed,false); // A fallback to window.onload, that will always work + window.addEventListener("load",completed,false);}}return readyList.promise(obj);}; // Kick off the DOM ready check even if the user does not + jQuery.ready.promise(); // Multifunctional method to get and set values of a collection + // The value/s can optionally be executed if it's a function + var access=jQuery.access=function(elems,fn,key,value,chainable,emptyGet,raw){var i=0,len=elems.length,bulk=key==null; // Sets many values + if(jQuery.type(key)==="object"){chainable=true;for(i in key){jQuery.access(elems,fn,i,key[i],true,emptyGet,raw);} // Sets one value + }else if(value!==undefined){chainable=true;if(!jQuery.isFunction(value)){raw=true;}if(bulk){ // Bulk operations run against the entire set + if(raw){fn.call(elems,value);fn=null; // ...except when executing function values + }else {bulk=fn;fn=function fn(elem,key,value){return bulk.call(jQuery(elem),value);};}}if(fn){for(;i1,null,true);},removeData:function removeData(key){return this.each(function(){data_user.remove(this,key);});}});jQuery.extend({queue:function queue(elem,type,data){var queue;if(elem){type=(type||"fx")+"queue";queue=data_priv.get(elem,type); // Speed up dequeue by getting out quickly if this is just a lookup + if(data){if(!queue||jQuery.isArray(data)){queue=data_priv.access(elem,type,jQuery.makeArray(data));}else {queue.push(data);}}return queue||[];}},dequeue:function dequeue(elem,type){type=type||"fx";var queue=jQuery.queue(elem,type),startLength=queue.length,fn=queue.shift(),hooks=jQuery._queueHooks(elem,type),next=function next(){jQuery.dequeue(elem,type);}; // If the fx queue is dequeued, always remove the progress sentinel + if(fn==="inprogress"){fn=queue.shift();startLength--;}if(fn){ // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if(type==="fx"){queue.unshift("inprogress");} // Clear up the last queue stop function + delete hooks.stop;fn.call(elem,next,hooks);}if(!startLength&&hooks){hooks.empty.fire();}}, // Not public - generate a queueHooks object, or return the current one + _queueHooks:function _queueHooks(elem,type){var key=type+"queueHooks";return data_priv.get(elem,key)||data_priv.access(elem,key,{empty:jQuery.Callbacks("once memory").add(function(){data_priv.remove(elem,[type+"queue",key]);})});}});jQuery.fn.extend({queue:function queue(type,data){var setter=2;if(typeof type!=="string"){data=type;type="fx";setter--;}if(arguments.length=0){ // Namespaced trigger; create a regexp to match event type in handle() + namespaces=type.split(".");type=namespaces.shift();namespaces.sort();}ontype=type.indexOf(":")<0&&"on"+type; // Caller can pass in a jQuery.Event object, Object, or just an event type string + event=event[jQuery.expando]?event:new jQuery.Event(type,(typeof event==="undefined"?"undefined":_typeof(event))==="object"&&event); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger=onlyHandlers?2:3;event.namespace=namespaces.join(".");event.namespace_re=event.namespace?new RegExp("(^|\\.)"+namespaces.join("\\.(?:.*\\.|)")+"(\\.|$)"):null; // Clean up the event in case it is being reused + event.result=undefined;if(!event.target){event.target=elem;} // Clone any incoming data and prepend the event, creating the handler arg list + data=data==null?[event]:jQuery.makeArray(data,[event]); // Allow special events to draw outside the lines + special=jQuery.event.special[type]||{};if(!onlyHandlers&&special.trigger&&special.trigger.apply(elem,data)===false){return;} // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if(!onlyHandlers&&!special.noBubble&&!jQuery.isWindow(elem)){bubbleType=special.delegateType||type;if(!rfocusMorph.test(bubbleType+type)){cur=cur.parentNode;}for(;cur;cur=cur.parentNode){eventPath.push(cur);tmp=cur;} // Only add window if we got to document (e.g., not plain obj or detached DOM) + if(tmp===(elem.ownerDocument||document)){eventPath.push(tmp.defaultView||tmp.parentWindow||window);}} // Fire handlers on the event path + i=0;while((cur=eventPath[i++])&&!event.isPropagationStopped()){event.type=i>1?bubbleType:special.bindType||type; // jQuery handler + handle=(data_priv.get(cur,"events")||{})[event.type]&&data_priv.get(cur,"handle");if(handle){handle.apply(cur,data);} // Native handler + handle=ontype&&cur[ontype];if(handle&&handle.apply&&jQuery.acceptData(cur)){event.result=handle.apply(cur,data);if(event.result===false){event.preventDefault();}}}event.type=type; // If nobody prevented the default action, do it now + if(!onlyHandlers&&!event.isDefaultPrevented()){if((!special._default||special._default.apply(eventPath.pop(),data)===false)&&jQuery.acceptData(elem)){ // Call a native DOM method on the target with the same name name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if(ontype&&jQuery.isFunction(elem[type])&&!jQuery.isWindow(elem)){ // Don't re-trigger an onFOO event when we call its FOO() method + tmp=elem[ontype];if(tmp){elem[ontype]=null;} // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered=type;elem[type]();jQuery.event.triggered=undefined;if(tmp){elem[ontype]=tmp;}}}}return event.result;},dispatch:function dispatch(event){ // Make a writable jQuery.Event from the native event object + event=jQuery.event.fix(event);var i,j,ret,matched,handleObj,handlerQueue=[],args=_slice.call(arguments),handlers=(data_priv.get(this,"events")||{})[event.type]||[],special=jQuery.event.special[event.type]||{}; // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[0]=event;event.delegateTarget=this; // Call the preDispatch hook for the mapped type, and let it bail if desired + if(special.preDispatch&&special.preDispatch.call(this,event)===false){return;} // Determine handlers + handlerQueue=jQuery.event.handlers.call(this,event,handlers); // Run delegates first; they may want to stop propagation beneath us + i=0;while((matched=handlerQueue[i++])&&!event.isPropagationStopped()){event.currentTarget=matched.elem;j=0;while((handleObj=matched.handlers[j++])&&!event.isImmediatePropagationStopped()){ // Triggered event must either 1) have no namespace, or 2) have namespace(s) + // a subset or equal to those in the bound event (both can have no namespace). + if(!event.namespace_re||event.namespace_re.test(handleObj.namespace)){event.handleObj=handleObj;event.data=handleObj.data;ret=((jQuery.event.special[handleObj.origType]||{}).handle||handleObj.handler).apply(matched.elem,args);if(ret!==undefined){if((event.result=ret)===false){event.preventDefault();event.stopPropagation();}}}}} // Call the postDispatch hook for the mapped type + if(special.postDispatch){special.postDispatch.call(this,event);}return event.result;},handlers:function handlers(event,_handlers){var i,matches,sel,handleObj,handlerQueue=[],delegateCount=_handlers.delegateCount,cur=event.target; // Find delegate handlers + // Black-hole SVG instance trees (#13180) + // Avoid non-left-click bubbling in Firefox (#3861) + if(delegateCount&&cur.nodeType&&(!event.button||event.type!=="click")){for(;cur!==this;cur=cur.parentNode||this){ // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if(cur.disabled!==true||event.type!=="click"){matches=[];for(i=0;i=0:jQuery.find(sel,this,null,[cur]).length;}if(matches[sel]){matches.push(handleObj);}}if(matches.length){handlerQueue.push({elem:cur,handlers:matches});}}}} // Add the remaining (directly-bound) handlers + if(delegateCount<_handlers.length){handlerQueue.push({elem:this,handlers:_handlers.slice(delegateCount)});}return handlerQueue;}, // Includes some event props shared by KeyEvent and MouseEvent + props:"altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),fixHooks:{},keyHooks:{props:"char charCode key keyCode".split(" "),filter:function filter(event,original){ // Add which for key events + if(event.which==null){event.which=original.charCode!=null?original.charCode:original.keyCode;}return event;}},mouseHooks:{props:"button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "),filter:function filter(event,original){var eventDoc,doc,body,button=original.button; // Calculate pageX/Y if missing and clientX/Y available + if(event.pageX==null&&original.clientX!=null){eventDoc=event.target.ownerDocument||document;doc=eventDoc.documentElement;body=eventDoc.body;event.pageX=original.clientX+(doc&&doc.scrollLeft||body&&body.scrollLeft||0)-(doc&&doc.clientLeft||body&&body.clientLeft||0);event.pageY=original.clientY+(doc&&doc.scrollTop||body&&body.scrollTop||0)-(doc&&doc.clientTop||body&&body.clientTop||0);} // Add which for click: 1 === left; 2 === middle; 3 === right + // Note: button is not normalized, so don't use it + if(!event.which&&button!==undefined){event.which=button&1?1:button&2?3:button&4?2:0;}return event;}},fix:function fix(event){if(event[jQuery.expando]){return event;} // Create a writable copy of the event object and normalize some properties + var i,prop,copy,type=event.type,originalEvent=event,fixHook=this.fixHooks[type];if(!fixHook){this.fixHooks[type]=fixHook=rmouseEvent.test(type)?this.mouseHooks:rkeyEvent.test(type)?this.keyHooks:{};}copy=fixHook.props?this.props.concat(fixHook.props):this.props;event=new jQuery.Event(originalEvent);i=copy.length;while(i--){prop=copy[i];event[prop]=originalEvent[prop];} // Support: Cordova 2.5 (WebKit) (#13255) + // All events should have a target; Cordova deviceready doesn't + if(!event.target){event.target=document;} // Support: Safari 6.0+, Chrome<28 + // Target should not be a text node (#504, #13143) + if(event.target.nodeType===3){event.target=event.target.parentNode;}return fixHook.filter?fixHook.filter(event,originalEvent):event;},special:{load:{ // Prevent triggered image.load events from bubbling to window.load + noBubble:true},focus:{ // Fire native event if possible so blur/focus sequence is correct + trigger:function trigger(){if(this!==safeActiveElement()&&this.focus){this.focus();return false;}},delegateType:"focusin"},blur:{trigger:function trigger(){if(this===safeActiveElement()&&this.blur){this.blur();return false;}},delegateType:"focusout"},click:{ // For checkbox, fire native event so checked state will be right + trigger:function trigger(){if(this.type==="checkbox"&&this.click&&jQuery.nodeName(this,"input")){this.click();return false;}}, // For cross-browser consistency, don't fire native .click() on links + _default:function _default(event){return jQuery.nodeName(event.target,"a");}},beforeunload:{postDispatch:function postDispatch(event){ // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if(event.result!==undefined&&event.originalEvent){event.originalEvent.returnValue=event.result;}}}},simulate:function simulate(type,elem,event,bubble){ // Piggyback on a donor event to simulate a different one. + // Fake originalEvent to avoid donor's stopPropagation, but if the + // simulated event prevents default then we do the same on the donor. + var e=jQuery.extend(new jQuery.Event(),event,{type:type,isSimulated:true,originalEvent:{}});if(bubble){jQuery.event.trigger(e,null,elem);}else {jQuery.event.dispatch.call(elem,e);}if(e.isDefaultPrevented()){event.preventDefault();}}};jQuery.removeEvent=function(elem,type,handle){if(elem.removeEventListener){elem.removeEventListener(type,handle,false);}};jQuery.Event=function(src,props){ // Allow instantiation without the 'new' keyword + if(!(this instanceof jQuery.Event)){return new jQuery.Event(src,props);} // Event object + if(src&&src.type){this.originalEvent=src;this.type=src.type; // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented=src.defaultPrevented||src.defaultPrevented===undefined&& // Support: Android<4.0 + src.returnValue===false?returnTrue:returnFalse; // Event type + }else {this.type=src;} // Put explicitly provided properties onto the event object + if(props){jQuery.extend(this,props);} // Create a timestamp if incoming event doesn't have one + this.timeStamp=src&&src.timeStamp||jQuery.now(); // Mark it as fixed + this[jQuery.expando]=true;}; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding + // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html + jQuery.Event.prototype={isDefaultPrevented:returnFalse,isPropagationStopped:returnFalse,isImmediatePropagationStopped:returnFalse,preventDefault:function preventDefault(){var e=this.originalEvent;this.isDefaultPrevented=returnTrue;if(e&&e.preventDefault){e.preventDefault();}},stopPropagation:function stopPropagation(){var e=this.originalEvent;this.isPropagationStopped=returnTrue;if(e&&e.stopPropagation){e.stopPropagation();}},stopImmediatePropagation:function stopImmediatePropagation(){var e=this.originalEvent;this.isImmediatePropagationStopped=returnTrue;if(e&&e.stopImmediatePropagation){e.stopImmediatePropagation();}this.stopPropagation();}}; // Create mouseenter/leave events using mouseover/out and event-time checks + // Support: Chrome 15+ + jQuery.each({mouseenter:"mouseover",mouseleave:"mouseout",pointerenter:"pointerover",pointerleave:"pointerout"},function(orig,fix){jQuery.event.special[orig]={delegateType:fix,bindType:fix,handle:function handle(event){var ret,target=this,related=event.relatedTarget,handleObj=event.handleObj; // For mousenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if(!related||related!==target&&!jQuery.contains(target,related)){event.type=handleObj.origType;ret=handleObj.handler.apply(this,arguments);event.type=fix;}return ret;}};}); // Support: Firefox, Chrome, Safari + // Create "bubbling" focus and blur events + if(!support.focusinBubbles){jQuery.each({focus:"focusin",blur:"focusout"},function(orig,fix){ // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler=function handler(event){jQuery.event.simulate(fix,event.target,jQuery.event.fix(event),true);};jQuery.event.special[fix]={setup:function setup(){var doc=this.ownerDocument||this,attaches=data_priv.access(doc,fix);if(!attaches){doc.addEventListener(orig,handler,true);}data_priv.access(doc,fix,(attaches||0)+1);},teardown:function teardown(){var doc=this.ownerDocument||this,attaches=data_priv.access(doc,fix)-1;if(!attaches){doc.removeEventListener(orig,handler,true);data_priv.remove(doc,fix);}else {data_priv.access(doc,fix,attaches);}}};});}jQuery.fn.extend({on:function on(types,selector,data,fn, /*INTERNAL*/one){var origFn,type; // Types can be a map of types/handlers + if((typeof types==="undefined"?"undefined":_typeof(types))==="object"){ // ( types-Object, selector, data ) + if(typeof selector!=="string"){ // ( types-Object, data ) + data=data||selector;selector=undefined;}for(type in types){this.on(type,selector,data,types[type],one);}return this;}if(data==null&&fn==null){ // ( types, fn ) + fn=selector;data=selector=undefined;}else if(fn==null){if(typeof selector==="string"){ // ( types, selector, fn ) + fn=data;data=undefined;}else { // ( types, data, fn ) + fn=data;data=selector;selector=undefined;}}if(fn===false){fn=returnFalse;}else if(!fn){return this;}if(one===1){origFn=fn;fn=function fn(event){ // Can use an empty set, since event contains the info + jQuery().off(event);return origFn.apply(this,arguments);}; // Use same guid so caller can remove using origFn + fn.guid=origFn.guid||(origFn.guid=jQuery.guid++);}return this.each(function(){jQuery.event.add(this,types,fn,data,selector);});},one:function one(types,selector,data,fn){return this.on(types,selector,data,fn,1);},off:function off(types,selector,fn){var handleObj,type;if(types&&types.preventDefault&&types.handleObj){ // ( event ) dispatched jQuery.Event + handleObj=types.handleObj;jQuery(types.delegateTarget).off(handleObj.namespace?handleObj.origType+"."+handleObj.namespace:handleObj.origType,handleObj.selector,handleObj.handler);return this;}if((typeof types==="undefined"?"undefined":_typeof(types))==="object"){ // ( types-object [, selector] ) + for(type in types){this.off(type,selector,types[type]);}return this;}if(selector===false||typeof selector==="function"){ // ( types [, fn] ) + fn=selector;selector=undefined;}if(fn===false){fn=returnFalse;}return this.each(function(){jQuery.event.remove(this,types,fn,selector);});},trigger:function trigger(type,data){return this.each(function(){jQuery.event.trigger(type,data,this);});},triggerHandler:function triggerHandler(type,data){var elem=this[0];if(elem){return jQuery.event.trigger(type,data,elem,true);}}});var rxhtmlTag=/<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,rtagName=/<([\w:]+)/,rhtml=/<|&#?\w+;/,rnoInnerhtml=/<(?:script|style|link)/i, // checked="checked" or checked + rchecked=/checked\s*(?:[^=]|=\s*.checked.)/i,rscriptType=/^$|\/(?:java|ecma)script/i,rscriptTypeMasked=/^true\/(.*)/,rcleanScript=/^\s*\s*$/g, // We have to close these tags to support XHTML (#13200) + wrapMap={ // Support: IE9 + option:[1,""],thead:[1,"","
"],col:[2,"","
"],tr:[2,"","
"],td:[3,"","
"],_default:[0,"",""]}; // Support: IE9 + wrapMap.optgroup=wrapMap.option;wrapMap.tbody=wrapMap.tfoot=wrapMap.colgroup=wrapMap.caption=wrapMap.thead;wrapMap.th=wrapMap.td; // Support: 1.x compatibility + // Manipulating tables requires a tbody + function manipulationTarget(elem,content){return jQuery.nodeName(elem,"table")&&jQuery.nodeName(content.nodeType!==11?content:content.firstChild,"tr")?elem.getElementsByTagName("tbody")[0]||elem.appendChild(elem.ownerDocument.createElement("tbody")):elem;} // Replace/restore the type attribute of script elements for safe DOM manipulation + function disableScript(elem){elem.type=(elem.getAttribute("type")!==null)+"/"+elem.type;return elem;}function restoreScript(elem){var match=rscriptTypeMasked.exec(elem.type);if(match){elem.type=match[1];}else {elem.removeAttribute("type");}return elem;} // Mark scripts as having already been evaluated + function setGlobalEval(elems,refElements){var i=0,l=elems.length;for(;i0){setGlobalEval(destElements,!inPage&&getAll(elem,"script"));} // Return the cloned set + return clone;},buildFragment:function buildFragment(elems,context,scripts,selection){var elem,tmp,tag,wrap,contains,j,fragment=context.createDocumentFragment(),nodes=[],i=0,l=elems.length;for(;i")+wrap[2]; // Descend through wrappers to the right content + j=wrap[0];while(j--){tmp=tmp.lastChild;} // Support: QtWebKit, PhantomJS + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge(nodes,tmp.childNodes); // Remember the top-level container + tmp=fragment.firstChild; // Ensure the created nodes are orphaned (#12392) + tmp.textContent="";}}} // Remove wrapper from fragment + fragment.textContent="";i=0;while(elem=nodes[i++]){ // #4087 - If origin and destination elements are the same, and this is + // that element, do not do anything + if(selection&&jQuery.inArray(elem,selection)!==-1){continue;}contains=jQuery.contains(elem.ownerDocument,elem); // Append to fragment + tmp=getAll(fragment.appendChild(elem),"script"); // Preserve script evaluation history + if(contains){setGlobalEval(tmp);} // Capture executables + if(scripts){j=0;while(elem=tmp[j++]){if(rscriptType.test(elem.type||"")){scripts.push(elem);}}}}return fragment;},cleanData:function cleanData(elems){var data,elem,type,key,special=jQuery.event.special,i=0;for(;(elem=elems[i])!==undefined;i++){if(jQuery.acceptData(elem)){key=elem[data_priv.expando];if(key&&(data=data_priv.cache[key])){if(data.events){for(type in data.events){if(special[type]){jQuery.event.remove(elem,type); // This is a shortcut to avoid jQuery.event.remove's overhead + }else {jQuery.removeEvent(elem,type,data.handle);}}}if(data_priv.cache[key]){ // Discard any remaining `private` data + delete data_priv.cache[key];}}} // Discard any remaining `user` data + delete data_user.cache[elem[data_user.expando]];}}});jQuery.fn.extend({text:function text(value){return access(this,function(value){return value===undefined?jQuery.text(this):this.empty().each(function(){if(this.nodeType===1||this.nodeType===11||this.nodeType===9){this.textContent=value;}});},null,value,arguments.length);},append:function append(){return this.domManip(arguments,function(elem){if(this.nodeType===1||this.nodeType===11||this.nodeType===9){var target=manipulationTarget(this,elem);target.appendChild(elem);}});},prepend:function prepend(){return this.domManip(arguments,function(elem){if(this.nodeType===1||this.nodeType===11||this.nodeType===9){var target=manipulationTarget(this,elem);target.insertBefore(elem,target.firstChild);}});},before:function before(){return this.domManip(arguments,function(elem){if(this.parentNode){this.parentNode.insertBefore(elem,this);}});},after:function after(){return this.domManip(arguments,function(elem){if(this.parentNode){this.parentNode.insertBefore(elem,this.nextSibling);}});},remove:function remove(selector,keepData /* Internal Use Only */){var elem,elems=selector?jQuery.filter(selector,this):this,i=0;for(;(elem=elems[i])!=null;i++){if(!keepData&&elem.nodeType===1){jQuery.cleanData(getAll(elem));}if(elem.parentNode){if(keepData&&jQuery.contains(elem.ownerDocument,elem)){setGlobalEval(getAll(elem,"script"));}elem.parentNode.removeChild(elem);}}return this;},empty:function empty(){var elem,i=0;for(;(elem=this[i])!=null;i++){if(elem.nodeType===1){ // Prevent memory leaks + jQuery.cleanData(getAll(elem,false)); // Remove any remaining nodes + elem.textContent="";}}return this;},clone:function clone(dataAndEvents,deepDataAndEvents){dataAndEvents=dataAndEvents==null?false:dataAndEvents;deepDataAndEvents=deepDataAndEvents==null?dataAndEvents:deepDataAndEvents;return this.map(function(){return jQuery.clone(this,dataAndEvents,deepDataAndEvents);});},html:function html(value){return access(this,function(value){var elem=this[0]||{},i=0,l=this.length;if(value===undefined&&elem.nodeType===1){return elem.innerHTML;} // See if we can take a shortcut and just use innerHTML + if(typeof value==="string"&&!rnoInnerhtml.test(value)&&!wrapMap[(rtagName.exec(value)||["",""])[1].toLowerCase()]){value=value.replace(rxhtmlTag,"<$1>");try{for(;i1&&typeof value==="string"&&!support.checkClone&&rchecked.test(value)){return this.each(function(index){var self=set.eq(index);if(isFunction){args[0]=value.call(this,index,self.html());}self.domManip(args,callback);});}if(l){fragment=jQuery.buildFragment(args,this[0].ownerDocument,false,this);first=fragment.firstChild;if(fragment.childNodes.length===1){fragment=first;}if(first){scripts=jQuery.map(getAll(fragment,"script"),disableScript);hasScripts=scripts.length; // Use the original fragment for the last item instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for(;i")).appendTo(doc.documentElement); // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse + doc=iframe[0].contentDocument; // Support: IE + doc.write();doc.close();display=actualDisplay(nodeName,doc);iframe.detach();} // Store the correct default display + elemdisplay[nodeName]=display;}return display;}var rmargin=/^margin/;var rnumnonpx=new RegExp("^("+pnum+")(?!px)[a-z%]+$","i");var getStyles=function getStyles(elem){ // Support: IE<=11+, Firefox<=30+ (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + if(elem.ownerDocument.defaultView.opener){return elem.ownerDocument.defaultView.getComputedStyle(elem,null);}return window.getComputedStyle(elem,null);};function curCSS(elem,name,computed){var width,minWidth,maxWidth,ret,style=elem.style;computed=computed||getStyles(elem); // Support: IE9 + // getPropertyValue is only needed for .css('filter') (#12537) + if(computed){ret=computed.getPropertyValue(name)||computed[name];}if(computed){if(ret===""&&!jQuery.contains(elem.ownerDocument,elem)){ret=jQuery.style(elem,name);} // Support: iOS < 6 + // A tribute to the "awesome hack by Dean Edwards" + // iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels + // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values + if(rnumnonpx.test(ret)&&rmargin.test(name)){ // Remember the original values + width=style.width;minWidth=style.minWidth;maxWidth=style.maxWidth; // Put in the new values to get a computed value out + style.minWidth=style.maxWidth=style.width=ret;ret=computed.width; // Revert the changed values + style.width=width;style.minWidth=minWidth;style.maxWidth=maxWidth;}}return ret!==undefined? // Support: IE + // IE returns zIndex value as an integer. + ret+"":ret;}function addGetHookIf(conditionFn,hookFn){ // Define the hook, we'll check on the first run if it's really needed. + return {get:function get(){if(conditionFn()){ // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get;return;} // Hook needed; redefine it so that the support test is not executed again. + return (this.get=hookFn).apply(this,arguments);}};}(function(){var pixelPositionVal,boxSizingReliableVal,docElem=document.documentElement,container=document.createElement("div"),div=document.createElement("div");if(!div.style){return;} // Support: IE9-11+ + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip="content-box";div.cloneNode(true).style.backgroundClip="";support.clearCloneStyle=div.style.backgroundClip==="content-box";container.style.cssText="border:0;width:0;height:0;top:0;left:-9999px;margin-top:1px;"+"position:absolute";container.appendChild(div); // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computePixelPositionAndBoxSizingReliable(){div.style.cssText= // Support: Firefox<29, Android 2.3 + // Vendor-prefix box-sizing + "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;"+"box-sizing:border-box;display:block;margin-top:1%;top:1%;"+"border:1px;padding:1px;width:4px;position:absolute";div.innerHTML="";docElem.appendChild(container);var divStyle=window.getComputedStyle(div,null);pixelPositionVal=divStyle.top!=="1%";boxSizingReliableVal=divStyle.width==="4px";docElem.removeChild(container);} // Support: node.js jsdom + // Don't assume that getComputedStyle is a property of the global object + if(window.getComputedStyle){jQuery.extend(support,{pixelPosition:function pixelPosition(){ // This test is executed only once but we still do memoizing + // since we can use the boxSizingReliable pre-computing. + // No need to check if the test was already performed, though. + computePixelPositionAndBoxSizingReliable();return pixelPositionVal;},boxSizingReliable:function boxSizingReliable(){if(boxSizingReliableVal==null){computePixelPositionAndBoxSizingReliable();}return boxSizingReliableVal;},reliableMarginRight:function reliableMarginRight(){ // Support: Android 2.3 + // Check if div with explicit width and no margin-right incorrectly + // gets computed margin-right based on width of container. (#3333) + // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right + // This support function is only executed once so no memoizing is needed. + var ret,marginDiv=div.appendChild(document.createElement("div")); // Reset CSS: box-sizing; display; margin; border; padding + marginDiv.style.cssText=div.style.cssText= // Support: Firefox<29, Android 2.3 + // Vendor-prefix box-sizing + "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;"+"box-sizing:content-box;display:block;margin:0;border:0;padding:0";marginDiv.style.marginRight=marginDiv.style.width="0";div.style.width="1px";docElem.appendChild(container);ret=!parseFloat(window.getComputedStyle(marginDiv,null).marginRight);docElem.removeChild(container);div.removeChild(marginDiv);return ret;}});}})(); // A method for quickly swapping in/out CSS properties to get correct calculations. + jQuery.swap=function(elem,options,callback,args){var ret,name,old={}; // Remember the old values, and insert the new ones + for(name in options){old[name]=elem.style[name];elem.style[name]=options[name];}ret=callback.apply(elem,args||[]); // Revert the old values + for(name in options){elem.style[name]=old[name];}return ret;};var // Swappable if display is none or starts with table except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap=/^(none|table(?!-c[ea]).+)/,rnumsplit=new RegExp("^("+pnum+")(.*)$","i"),rrelNum=new RegExp("^([+-])=("+pnum+")","i"),cssShow={position:"absolute",visibility:"hidden",display:"block"},cssNormalTransform={letterSpacing:"0",fontWeight:"400"},cssPrefixes=["Webkit","O","Moz","ms"]; // Return a css property mapped to a potentially vendor prefixed property + function vendorPropName(style,name){ // Shortcut for names that are not vendor prefixed + if(name in style){return name;} // Check for vendor prefixed names + var capName=name[0].toUpperCase()+name.slice(1),origName=name,i=cssPrefixes.length;while(i--){name=cssPrefixes[i]+capName;if(name in style){return name;}}return origName;}function setPositiveNumber(elem,value,subtract){var matches=rnumsplit.exec(value);return matches? // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max(0,matches[1]-(subtract||0))+(matches[2]||"px"):value;}function augmentWidthOrHeight(elem,name,extra,isBorderBox,styles){var i=extra===(isBorderBox?"border":"content")? // If we already have the right measurement, avoid augmentation + 4: // Otherwise initialize for horizontal or vertical properties + name==="width"?1:0,val=0;for(;i<4;i+=2){ // Both box models exclude margin, so add it if we want it + if(extra==="margin"){val+=jQuery.css(elem,extra+cssExpand[i],true,styles);}if(isBorderBox){ // border-box includes padding, so remove it if we want content + if(extra==="content"){val-=jQuery.css(elem,"padding"+cssExpand[i],true,styles);} // At this point, extra isn't border nor margin, so remove border + if(extra!=="margin"){val-=jQuery.css(elem,"border"+cssExpand[i]+"Width",true,styles);}}else { // At this point, extra isn't content, so add padding + val+=jQuery.css(elem,"padding"+cssExpand[i],true,styles); // At this point, extra isn't content nor padding, so add border + if(extra!=="padding"){val+=jQuery.css(elem,"border"+cssExpand[i]+"Width",true,styles);}}}return val;}function getWidthOrHeight(elem,name,extra){ // Start with offset property, which is equivalent to the border-box value + var valueIsBorderBox=true,val=name==="width"?elem.offsetWidth:elem.offsetHeight,styles=getStyles(elem),isBorderBox=jQuery.css(elem,"boxSizing",false,styles)==="border-box"; // Some non-html elements return undefined for offsetWidth, so check for null/undefined + // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 + // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 + if(val<=0||val==null){ // Fall back to computed then uncomputed css if necessary + val=curCSS(elem,name,styles);if(val<0||val==null){val=elem.style[name];} // Computed unit is not pixels. Stop here and return. + if(rnumnonpx.test(val)){return val;} // Check for style in case a browser which returns unreliable values + // for getComputedStyle silently falls back to the reliable elem.style + valueIsBorderBox=isBorderBox&&(support.boxSizingReliable()||val===elem.style[name]); // Normalize "", auto, and prepare for extra + val=parseFloat(val)||0;} // Use the active box-sizing model to add/subtract irrelevant styles + return val+augmentWidthOrHeight(elem,name,extra||(isBorderBox?"border":"content"),valueIsBorderBox,styles)+"px";}function showHide(elements,show){var display,elem,hidden,values=[],index=0,length=elements.length;for(;index