commit 11356849750fc5bed978fa0d3aa01d6c16421497 Author: Sven Slootweg Date: Tue Feb 23 17:22:27 2021 +0100 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3c3629e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules diff --git a/index.js b/index.js new file mode 100644 index 0000000..c523932 --- /dev/null +++ b/index.js @@ -0,0 +1,74 @@ +"use strict"; + +const util = require("util"); +const exif = util.promisify(require("exif")); +const exifGeoJSON = require("exif-geojson"); +const saveAsFile = require("save-as-file").default; + +let dropzone = document.querySelector(".dropzone"); +let filepicker = document.querySelector(".filepicker"); + +function highlight() { + dropzone.classList.add("dropping"); +} + +function unhighlight() { + dropzone.classList.remove("dropping"); +} + +function handleFiles(files) { + Array.from(files).forEach((file) => { + let filename = file.name; + let newFilename = `${filename}.geojson`; + + file.arrayBuffer() + .then((arrayBuffer) => { + let buffer = Buffer.from(arrayBuffer); + return exif(buffer); + }) + .then((exifData) => { + // NOTE: Library output format is wrong, so this is a workaround for that. + // Ref. https://github.com/compwright/exif-geojson/issues/6 + let geoJSON = JSON.stringify({ + type: "Feature", + geometry: { + type: "Point", + coordinates: exifGeoJSON(exifData).geometry.coordinates + } + }); + + let blob = new File([ geoJSON ], { type: "application/geo+json" }); + saveAsFile(blob, newFilename); + }) + .catch((error) => { + console.log(error); + alert(`An error occurred: ${error.message}`); + }); + }); +} + +dropzone.addEventListener("drop", (event) => { + event.preventDefault(); + event.stopPropagation(); + unhighlight(); + + handleFiles(event.dataTransfer.files); +}); + +dropzone.addEventListener("dragover", (event) => { + event.preventDefault(); +}); + +dropzone.addEventListener("dragenter", (event) => { + event.preventDefault(); + highlight(); +}); + +dropzone.addEventListener("dragleave", (event) => { + event.preventDefault(); + unhighlight(); +}); + +filepicker.addEventListener("change", (event) => { + handleFiles(event.target.files); +}); diff --git a/package.json b/package.json new file mode 100644 index 0000000..5e65526 --- /dev/null +++ b/package.json @@ -0,0 +1,20 @@ +{ + "dependencies": { + "exif": "^0.6.0", + "exif-geojson": "^1.1.0", + "save-as-file": "^0.3.0" + }, + "devDependencies": { + "browserify": "^17.0.0", + "watchify": "^4.0.0" + }, + "name": "image-to-geojson", + "version": "1.0.0", + "main": "index.js", + "repository": "https://git.cryto.net/joepie91/image-to-geojson.git", + "author": "Sven Slootweg ", + "license": "WTFPL OR CC0-1.0", + "scripts": { + "dev": "watchify index.js -o static/bundle.js" + } +} diff --git a/static/bundle.js b/static/bundle.js new file mode 100644 index 0000000..d7ed50b --- /dev/null +++ b/static/bundle.js @@ -0,0 +1,7272 @@ +(function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i { + let filename = file.name; + let newFilename = `${filename}.geojson`; + + file.arrayBuffer() + .then((arrayBuffer) => { + let buffer = Buffer.from(arrayBuffer); + return exif(buffer); + }) + .then((exifData) => { + // NOTE: Library output format is wrong, so this is a workaround for that. + // Ref. https://github.com/compwright/exif-geojson/issues/6 + let geoJSON = JSON.stringify({ + type: "Feature", + geometry: { + type: "Point", + coordinates: exifGeoJSON(exifData).geometry.coordinates + } + }); + + let blob = new File([ geoJSON ], { type: "application/geo+json" }); + saveAsFile(blob, newFilename); + }) + .catch((error) => { + console.log(error); + alert(`An error occurred: ${error.message}`); + }); + }); +} + +dropzone.addEventListener("drop", (event) => { + event.preventDefault(); + event.stopPropagation(); + unhighlight(); + + handleFiles(event.dataTransfer.files); +}); + +dropzone.addEventListener("dragover", (event) => { + event.preventDefault(); +}); + +dropzone.addEventListener("dragenter", (event) => { + event.preventDefault(); + highlight(); +}); + +dropzone.addEventListener("dragleave", (event) => { + event.preventDefault(); + unhighlight(); +}); + +filepicker.addEventListener("change", (event) => { + handleFiles(event.target.files); +}); + +}).call(this)}).call(this,require("buffer").Buffer) +},{"buffer":10,"exif":20,"exif-geojson":17,"save-as-file":36,"util":41}],2:[function(require,module,exports){ + +/** + * Array#filter. + * + * @param {Array} arr + * @param {Function} fn + * @param {Object=} self + * @return {Array} + * @throw TypeError + */ + +module.exports = function (arr, fn, self) { + if (arr.filter) return arr.filter(fn, self); + if (void 0 === arr || null === arr) throw new TypeError; + if ('function' != typeof fn) throw new TypeError; + var ret = []; + for (var i = 0; i < arr.length; i++) { + if (!hasOwn.call(arr, i)) continue; + var val = arr[i]; + if (fn.call(self, val, i, arr)) ret.push(val); + } + return ret; +}; + +var hasOwn = Object.prototype.hasOwnProperty; + +},{}],3:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var objectAssign = require('object-assign'); + +// compare and isBuffer taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js +// original notice: + +/*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ +function compare(a, b) { + if (a === b) { + return 0; + } + + var x = a.length; + var y = b.length; + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i]; + y = b[i]; + break; + } + } + + if (x < y) { + return -1; + } + if (y < x) { + return 1; + } + return 0; +} +function isBuffer(b) { + if (global.Buffer && typeof global.Buffer.isBuffer === 'function') { + return global.Buffer.isBuffer(b); + } + return !!(b != null && b._isBuffer); +} + +// based on node assert, original notice: +// NB: The URL to the CommonJS spec is kept just for tradition. +// node-assert has evolved a lot since then, both in API and behavior. + +// http://wiki.commonjs.org/wiki/Unit_Testing/1.0 +// +// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8! +// +// Originally from narwhal.js (http://narwhaljs.org) +// Copyright (c) 2009 Thomas Robinson <280north.com> +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the 'Software'), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +var util = require('util/'); +var hasOwn = Object.prototype.hasOwnProperty; +var pSlice = Array.prototype.slice; +var functionsHaveNames = (function () { + return function foo() {}.name === 'foo'; +}()); +function pToString (obj) { + return Object.prototype.toString.call(obj); +} +function isView(arrbuf) { + if (isBuffer(arrbuf)) { + return false; + } + if (typeof global.ArrayBuffer !== 'function') { + return false; + } + if (typeof ArrayBuffer.isView === 'function') { + return ArrayBuffer.isView(arrbuf); + } + if (!arrbuf) { + return false; + } + if (arrbuf instanceof DataView) { + return true; + } + if (arrbuf.buffer && arrbuf.buffer instanceof ArrayBuffer) { + return true; + } + return false; +} +// 1. The assert module provides functions that throw +// AssertionError's when particular conditions are not met. The +// assert module must conform to the following interface. + +var assert = module.exports = ok; + +// 2. The AssertionError is defined in assert. +// new assert.AssertionError({ message: message, +// actual: actual, +// expected: expected }) + +var regex = /\s*function\s+([^\(\s]*)\s*/; +// based on https://github.com/ljharb/function.prototype.name/blob/adeeeec8bfcc6068b187d7d9fb3d5bb1d3a30899/implementation.js +function getName(func) { + if (!util.isFunction(func)) { + return; + } + if (functionsHaveNames) { + return func.name; + } + var str = func.toString(); + var match = str.match(regex); + return match && match[1]; +} +assert.AssertionError = function AssertionError(options) { + this.name = 'AssertionError'; + this.actual = options.actual; + this.expected = options.expected; + this.operator = options.operator; + if (options.message) { + this.message = options.message; + this.generatedMessage = false; + } else { + this.message = getMessage(this); + this.generatedMessage = true; + } + var stackStartFunction = options.stackStartFunction || fail; + if (Error.captureStackTrace) { + Error.captureStackTrace(this, stackStartFunction); + } else { + // non v8 browsers so we can have a stacktrace + var err = new Error(); + if (err.stack) { + var out = err.stack; + + // try to strip useless frames + var fn_name = getName(stackStartFunction); + var idx = out.indexOf('\n' + fn_name); + if (idx >= 0) { + // once we have located the function frame + // we need to strip out everything before it (and its line) + var next_line = out.indexOf('\n', idx + 1); + out = out.substring(next_line + 1); + } + + this.stack = out; + } + } +}; + +// assert.AssertionError instanceof Error +util.inherits(assert.AssertionError, Error); + +function truncate(s, n) { + if (typeof s === 'string') { + return s.length < n ? s : s.slice(0, n); + } else { + return s; + } +} +function inspect(something) { + if (functionsHaveNames || !util.isFunction(something)) { + return util.inspect(something); + } + var rawname = getName(something); + var name = rawname ? ': ' + rawname : ''; + return '[Function' + name + ']'; +} +function getMessage(self) { + return truncate(inspect(self.actual), 128) + ' ' + + self.operator + ' ' + + truncate(inspect(self.expected), 128); +} + +// At present only the three keys mentioned above are used and +// understood by the spec. Implementations or sub modules can pass +// other keys to the AssertionError's constructor - they will be +// ignored. + +// 3. All of the following functions must throw an AssertionError +// when a corresponding condition is not met, with a message that +// may be undefined if not provided. All assertion methods provide +// both the actual and expected values to the assertion error for +// display purposes. + +function fail(actual, expected, message, operator, stackStartFunction) { + throw new assert.AssertionError({ + message: message, + actual: actual, + expected: expected, + operator: operator, + stackStartFunction: stackStartFunction + }); +} + +// EXTENSION! allows for well behaved errors defined elsewhere. +assert.fail = fail; + +// 4. Pure assertion tests whether a value is truthy, as determined +// by !!guard. +// assert.ok(guard, message_opt); +// This statement is equivalent to assert.equal(true, !!guard, +// message_opt);. To test strictly for the value true, use +// assert.strictEqual(true, guard, message_opt);. + +function ok(value, message) { + if (!value) fail(value, true, message, '==', assert.ok); +} +assert.ok = ok; + +// 5. The equality assertion tests shallow, coercive equality with +// ==. +// assert.equal(actual, expected, message_opt); + +assert.equal = function equal(actual, expected, message) { + if (actual != expected) fail(actual, expected, message, '==', assert.equal); +}; + +// 6. The non-equality assertion tests for whether two objects are not equal +// with != assert.notEqual(actual, expected, message_opt); + +assert.notEqual = function notEqual(actual, expected, message) { + if (actual == expected) { + fail(actual, expected, message, '!=', assert.notEqual); + } +}; + +// 7. The equivalence assertion tests a deep equality relation. +// assert.deepEqual(actual, expected, message_opt); + +assert.deepEqual = function deepEqual(actual, expected, message) { + if (!_deepEqual(actual, expected, false)) { + fail(actual, expected, message, 'deepEqual', assert.deepEqual); + } +}; + +assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) { + if (!_deepEqual(actual, expected, true)) { + fail(actual, expected, message, 'deepStrictEqual', assert.deepStrictEqual); + } +}; + +function _deepEqual(actual, expected, strict, memos) { + // 7.1. All identical values are equivalent, as determined by ===. + if (actual === expected) { + return true; + } else if (isBuffer(actual) && isBuffer(expected)) { + return compare(actual, expected) === 0; + + // 7.2. If the expected value is a Date object, the actual value is + // equivalent if it is also a Date object that refers to the same time. + } else if (util.isDate(actual) && util.isDate(expected)) { + return actual.getTime() === expected.getTime(); + + // 7.3 If the expected value is a RegExp object, the actual value is + // equivalent if it is also a RegExp object with the same source and + // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`). + } else if (util.isRegExp(actual) && util.isRegExp(expected)) { + return actual.source === expected.source && + actual.global === expected.global && + actual.multiline === expected.multiline && + actual.lastIndex === expected.lastIndex && + actual.ignoreCase === expected.ignoreCase; + + // 7.4. Other pairs that do not both pass typeof value == 'object', + // equivalence is determined by ==. + } else if ((actual === null || typeof actual !== 'object') && + (expected === null || typeof expected !== 'object')) { + return strict ? actual === expected : actual == expected; + + // If both values are instances of typed arrays, wrap their underlying + // ArrayBuffers in a Buffer each to increase performance + // This optimization requires the arrays to have the same type as checked by + // Object.prototype.toString (aka pToString). Never perform binary + // comparisons for Float*Arrays, though, since e.g. +0 === -0 but their + // bit patterns are not identical. + } else if (isView(actual) && isView(expected) && + pToString(actual) === pToString(expected) && + !(actual instanceof Float32Array || + actual instanceof Float64Array)) { + return compare(new Uint8Array(actual.buffer), + new Uint8Array(expected.buffer)) === 0; + + // 7.5 For all other Object pairs, including Array objects, equivalence is + // determined by having the same number of owned properties (as verified + // with Object.prototype.hasOwnProperty.call), the same set of keys + // (although not necessarily the same order), equivalent values for every + // corresponding key, and an identical 'prototype' property. Note: this + // accounts for both named and indexed properties on Arrays. + } else if (isBuffer(actual) !== isBuffer(expected)) { + return false; + } else { + memos = memos || {actual: [], expected: []}; + + var actualIndex = memos.actual.indexOf(actual); + if (actualIndex !== -1) { + if (actualIndex === memos.expected.indexOf(expected)) { + return true; + } + } + + memos.actual.push(actual); + memos.expected.push(expected); + + return objEquiv(actual, expected, strict, memos); + } +} + +function isArguments(object) { + return Object.prototype.toString.call(object) == '[object Arguments]'; +} + +function objEquiv(a, b, strict, actualVisitedObjects) { + if (a === null || a === undefined || b === null || b === undefined) + return false; + // if one is a primitive, the other must be same + if (util.isPrimitive(a) || util.isPrimitive(b)) + return a === b; + if (strict && Object.getPrototypeOf(a) !== Object.getPrototypeOf(b)) + return false; + var aIsArgs = isArguments(a); + var bIsArgs = isArguments(b); + if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs)) + return false; + if (aIsArgs) { + a = pSlice.call(a); + b = pSlice.call(b); + return _deepEqual(a, b, strict); + } + var ka = objectKeys(a); + var kb = objectKeys(b); + var key, i; + // having the same number of owned properties (keys incorporates + // hasOwnProperty) + if (ka.length !== kb.length) + return false; + //the same set of keys (although not necessarily the same order), + ka.sort(); + kb.sort(); + //~~~cheap key test + for (i = ka.length - 1; i >= 0; i--) { + if (ka[i] !== kb[i]) + return false; + } + //equivalent values for every corresponding key, and + //~~~possibly expensive deep test + for (i = ka.length - 1; i >= 0; i--) { + key = ka[i]; + if (!_deepEqual(a[key], b[key], strict, actualVisitedObjects)) + return false; + } + return true; +} + +// 8. The non-equivalence assertion tests for any deep inequality. +// assert.notDeepEqual(actual, expected, message_opt); + +assert.notDeepEqual = function notDeepEqual(actual, expected, message) { + if (_deepEqual(actual, expected, false)) { + fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual); + } +}; + +assert.notDeepStrictEqual = notDeepStrictEqual; +function notDeepStrictEqual(actual, expected, message) { + if (_deepEqual(actual, expected, true)) { + fail(actual, expected, message, 'notDeepStrictEqual', notDeepStrictEqual); + } +} + + +// 9. The strict equality assertion tests strict equality, as determined by ===. +// assert.strictEqual(actual, expected, message_opt); + +assert.strictEqual = function strictEqual(actual, expected, message) { + if (actual !== expected) { + fail(actual, expected, message, '===', assert.strictEqual); + } +}; + +// 10. The strict non-equality assertion tests for strict inequality, as +// determined by !==. assert.notStrictEqual(actual, expected, message_opt); + +assert.notStrictEqual = function notStrictEqual(actual, expected, message) { + if (actual === expected) { + fail(actual, expected, message, '!==', assert.notStrictEqual); + } +}; + +function expectedException(actual, expected) { + if (!actual || !expected) { + return false; + } + + if (Object.prototype.toString.call(expected) == '[object RegExp]') { + return expected.test(actual); + } + + try { + if (actual instanceof expected) { + return true; + } + } catch (e) { + // Ignore. The instanceof check doesn't work for arrow functions. + } + + if (Error.isPrototypeOf(expected)) { + return false; + } + + return expected.call({}, actual) === true; +} + +function _tryBlock(block) { + var error; + try { + block(); + } catch (e) { + error = e; + } + return error; +} + +function _throws(shouldThrow, block, expected, message) { + var actual; + + if (typeof block !== 'function') { + throw new TypeError('"block" argument must be a function'); + } + + if (typeof expected === 'string') { + message = expected; + expected = null; + } + + actual = _tryBlock(block); + + message = (expected && expected.name ? ' (' + expected.name + ').' : '.') + + (message ? ' ' + message : '.'); + + if (shouldThrow && !actual) { + fail(actual, expected, 'Missing expected exception' + message); + } + + var userProvidedMessage = typeof message === 'string'; + var isUnwantedException = !shouldThrow && util.isError(actual); + var isUnexpectedException = !shouldThrow && actual && !expected; + + if ((isUnwantedException && + userProvidedMessage && + expectedException(actual, expected)) || + isUnexpectedException) { + fail(actual, expected, 'Got unwanted exception' + message); + } + + if ((shouldThrow && actual && expected && + !expectedException(actual, expected)) || (!shouldThrow && actual)) { + throw actual; + } +} + +// 11. Expected to throw an error: +// assert.throws(block, Error_opt, message_opt); + +assert.throws = function(block, /*optional*/error, /*optional*/message) { + _throws(true, block, error, message); +}; + +// EXTENSION! This is annoying to write outside this module. +assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) { + _throws(false, block, error, message); +}; + +assert.ifError = function(err) { if (err) throw err; }; + +// Expose a strict only variant of assert +function strict(value, message) { + if (!value) fail(value, true, message, '==', strict); +} +assert.strict = objectAssign(strict, assert, { + equal: assert.strictEqual, + deepEqual: assert.deepStrictEqual, + notEqual: assert.notStrictEqual, + notDeepEqual: assert.notDeepStrictEqual +}); +assert.strict.strict = assert.strict; + +var objectKeys = Object.keys || function (obj) { + var keys = []; + for (var key in obj) { + if (hasOwn.call(obj, key)) keys.push(key); + } + return keys; +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"object-assign":34,"util/":6}],4:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } +} + +},{}],5:[function(require,module,exports){ +module.exports = function isBuffer(arg) { + return arg && typeof arg === 'object' + && typeof arg.copy === 'function' + && typeof arg.fill === 'function' + && typeof arg.readUInt8 === 'function'; +} +},{}],6:[function(require,module,exports){ +(function (process,global){(function (){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + // Allow for deprecating things in the process of starting up. + if (isUndefined(global.process)) { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + if (process.noDeprecation === true) { + return fn; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnviron; +exports.debuglog = function(set) { + if (isUndefined(debugEnviron)) + debugEnviron = process.env.NODE_DEBUG || ''; + set = set.toUpperCase(); + if (!debugs[set]) { + if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./support/isBuffer":5,"_process":35,"inherits":4}],7:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var filter = require('array-filter'); + +module.exports = function availableTypedArrays() { + return filter([ + 'BigInt64Array', + 'BigUint64Array', + 'Float32Array', + 'Float64Array', + 'Int16Array', + 'Int32Array', + 'Int8Array', + 'Uint16Array', + 'Uint32Array', + 'Uint8Array', + 'Uint8ClampedArray' + ], function (typedArray) { + return typeof global[typedArray] === 'function'; + }); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"array-filter":2}],8:[function(require,module,exports){ +'use strict' + +exports.byteLength = byteLength +exports.toByteArray = toByteArray +exports.fromByteArray = fromByteArray + +var lookup = [] +var revLookup = [] +var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array + +var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' +for (var i = 0, len = code.length; i < len; ++i) { + lookup[i] = code[i] + revLookup[code.charCodeAt(i)] = i +} + +// Support decoding URL-safe base64 strings, as Node.js does. +// See: https://en.wikipedia.org/wiki/Base64#URL_applications +revLookup['-'.charCodeAt(0)] = 62 +revLookup['_'.charCodeAt(0)] = 63 + +function getLens (b64) { + var len = b64.length + + if (len % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // Trim off extra bytes after placeholder bytes are found + // See: https://github.com/beatgammit/base64-js/issues/42 + var validLen = b64.indexOf('=') + if (validLen === -1) validLen = len + + var placeHoldersLen = validLen === len + ? 0 + : 4 - (validLen % 4) + + return [validLen, placeHoldersLen] +} + +// base64 is 4/3 + up to two characters of the original data +function byteLength (b64) { + var lens = getLens(b64) + var validLen = lens[0] + var placeHoldersLen = lens[1] + return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen +} + +function _byteLength (b64, validLen, placeHoldersLen) { + return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen +} + +function toByteArray (b64) { + var tmp + var lens = getLens(b64) + var validLen = lens[0] + var placeHoldersLen = lens[1] + + var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)) + + var curByte = 0 + + // if there are placeholders, only get up to the last complete 4 chars + var len = placeHoldersLen > 0 + ? validLen - 4 + : validLen + + var i + for (i = 0; i < len; i += 4) { + tmp = + (revLookup[b64.charCodeAt(i)] << 18) | + (revLookup[b64.charCodeAt(i + 1)] << 12) | + (revLookup[b64.charCodeAt(i + 2)] << 6) | + revLookup[b64.charCodeAt(i + 3)] + arr[curByte++] = (tmp >> 16) & 0xFF + arr[curByte++] = (tmp >> 8) & 0xFF + arr[curByte++] = tmp & 0xFF + } + + if (placeHoldersLen === 2) { + tmp = + (revLookup[b64.charCodeAt(i)] << 2) | + (revLookup[b64.charCodeAt(i + 1)] >> 4) + arr[curByte++] = tmp & 0xFF + } + + if (placeHoldersLen === 1) { + tmp = + (revLookup[b64.charCodeAt(i)] << 10) | + (revLookup[b64.charCodeAt(i + 1)] << 4) | + (revLookup[b64.charCodeAt(i + 2)] >> 2) + arr[curByte++] = (tmp >> 8) & 0xFF + arr[curByte++] = tmp & 0xFF + } + + return arr +} + +function tripletToBase64 (num) { + return lookup[num >> 18 & 0x3F] + + lookup[num >> 12 & 0x3F] + + lookup[num >> 6 & 0x3F] + + lookup[num & 0x3F] +} + +function encodeChunk (uint8, start, end) { + var tmp + var output = [] + for (var i = start; i < end; i += 3) { + tmp = + ((uint8[i] << 16) & 0xFF0000) + + ((uint8[i + 1] << 8) & 0xFF00) + + (uint8[i + 2] & 0xFF) + output.push(tripletToBase64(tmp)) + } + return output.join('') +} + +function fromByteArray (uint8) { + var tmp + var len = uint8.length + var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes + var parts = [] + var maxChunkLength = 16383 // must be multiple of 3 + + // go through the array every three bytes, we'll deal with trailing stuff later + for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { + parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) + } + + // pad the end with zeros, but make sure to not forget the extra bytes + if (extraBytes === 1) { + tmp = uint8[len - 1] + parts.push( + lookup[tmp >> 2] + + lookup[(tmp << 4) & 0x3F] + + '==' + ) + } else if (extraBytes === 2) { + tmp = (uint8[len - 2] << 8) + uint8[len - 1] + parts.push( + lookup[tmp >> 10] + + lookup[(tmp >> 4) & 0x3F] + + lookup[(tmp << 2) & 0x3F] + + '=' + ) + } + + return parts.join('') +} + +},{}],9:[function(require,module,exports){ + +},{}],10:[function(require,module,exports){ +(function (Buffer){(function (){ +/*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ +/* eslint-disable no-proto */ + +'use strict' + +var base64 = require('base64-js') +var ieee754 = require('ieee754') + +exports.Buffer = Buffer +exports.SlowBuffer = SlowBuffer +exports.INSPECT_MAX_BYTES = 50 + +var K_MAX_LENGTH = 0x7fffffff +exports.kMaxLength = K_MAX_LENGTH + +/** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Print warning and recommend using `buffer` v4.x which has an Object + * implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * We report that the browser does not support typed arrays if the are not subclassable + * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` + * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support + * for __proto__ and has a buggy typed array implementation. + */ +Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport() + +if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && + typeof console.error === 'function') { + console.error( + 'This browser lacks typed array (Uint8Array) support which is required by ' + + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' + ) +} + +function typedArraySupport () { + // Can typed array instances can be augmented? + try { + var arr = new Uint8Array(1) + arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } } + return arr.foo() === 42 + } catch (e) { + return false + } +} + +Object.defineProperty(Buffer.prototype, 'parent', { + enumerable: true, + get: function () { + if (!Buffer.isBuffer(this)) return undefined + return this.buffer + } +}) + +Object.defineProperty(Buffer.prototype, 'offset', { + enumerable: true, + get: function () { + if (!Buffer.isBuffer(this)) return undefined + return this.byteOffset + } +}) + +function createBuffer (length) { + if (length > K_MAX_LENGTH) { + throw new RangeError('The value "' + length + '" is invalid for option "size"') + } + // Return an augmented `Uint8Array` instance + var buf = new Uint8Array(length) + buf.__proto__ = Buffer.prototype + return buf +} + +/** + * The Buffer constructor returns instances of `Uint8Array` that have their + * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of + * `Uint8Array`, so the returned instances will have all the node `Buffer` methods + * and the `Uint8Array` methods. Square bracket notation works as expected -- it + * returns a single octet. + * + * The `Uint8Array` prototype remains unmodified. + */ + +function Buffer (arg, encodingOrOffset, length) { + // Common case. + if (typeof arg === 'number') { + if (typeof encodingOrOffset === 'string') { + throw new TypeError( + 'The "string" argument must be of type string. Received type number' + ) + } + return allocUnsafe(arg) + } + return from(arg, encodingOrOffset, length) +} + +// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 +if (typeof Symbol !== 'undefined' && Symbol.species != null && + Buffer[Symbol.species] === Buffer) { + Object.defineProperty(Buffer, Symbol.species, { + value: null, + configurable: true, + enumerable: false, + writable: false + }) +} + +Buffer.poolSize = 8192 // not used by this implementation + +function from (value, encodingOrOffset, length) { + if (typeof value === 'string') { + return fromString(value, encodingOrOffset) + } + + if (ArrayBuffer.isView(value)) { + return fromArrayLike(value) + } + + if (value == null) { + throw TypeError( + 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + + 'or Array-like Object. Received type ' + (typeof value) + ) + } + + if (isInstance(value, ArrayBuffer) || + (value && isInstance(value.buffer, ArrayBuffer))) { + return fromArrayBuffer(value, encodingOrOffset, length) + } + + if (typeof value === 'number') { + throw new TypeError( + 'The "value" argument must not be of type number. Received type number' + ) + } + + var valueOf = value.valueOf && value.valueOf() + if (valueOf != null && valueOf !== value) { + return Buffer.from(valueOf, encodingOrOffset, length) + } + + var b = fromObject(value) + if (b) return b + + if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && + typeof value[Symbol.toPrimitive] === 'function') { + return Buffer.from( + value[Symbol.toPrimitive]('string'), encodingOrOffset, length + ) + } + + throw new TypeError( + 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + + 'or Array-like Object. Received type ' + (typeof value) + ) +} + +/** + * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError + * if value is a number. + * Buffer.from(str[, encoding]) + * Buffer.from(array) + * Buffer.from(buffer) + * Buffer.from(arrayBuffer[, byteOffset[, length]]) + **/ +Buffer.from = function (value, encodingOrOffset, length) { + return from(value, encodingOrOffset, length) +} + +// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: +// https://github.com/feross/buffer/pull/148 +Buffer.prototype.__proto__ = Uint8Array.prototype +Buffer.__proto__ = Uint8Array + +function assertSize (size) { + if (typeof size !== 'number') { + throw new TypeError('"size" argument must be of type number') + } else if (size < 0) { + throw new RangeError('The value "' + size + '" is invalid for option "size"') + } +} + +function alloc (size, fill, encoding) { + assertSize(size) + if (size <= 0) { + return createBuffer(size) + } + if (fill !== undefined) { + // Only pay attention to encoding if it's a string. This + // prevents accidentally sending in a number that would + // be interpretted as a start offset. + return typeof encoding === 'string' + ? createBuffer(size).fill(fill, encoding) + : createBuffer(size).fill(fill) + } + return createBuffer(size) +} + +/** + * Creates a new filled Buffer instance. + * alloc(size[, fill[, encoding]]) + **/ +Buffer.alloc = function (size, fill, encoding) { + return alloc(size, fill, encoding) +} + +function allocUnsafe (size) { + assertSize(size) + return createBuffer(size < 0 ? 0 : checked(size) | 0) +} + +/** + * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. + * */ +Buffer.allocUnsafe = function (size) { + return allocUnsafe(size) +} +/** + * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. + */ +Buffer.allocUnsafeSlow = function (size) { + return allocUnsafe(size) +} + +function fromString (string, encoding) { + if (typeof encoding !== 'string' || encoding === '') { + encoding = 'utf8' + } + + if (!Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + + var length = byteLength(string, encoding) | 0 + var buf = createBuffer(length) + + var actual = buf.write(string, encoding) + + if (actual !== length) { + // Writing a hex string, for example, that contains invalid characters will + // cause everything after the first invalid character to be ignored. (e.g. + // 'abxxcd' will be treated as 'ab') + buf = buf.slice(0, actual) + } + + return buf +} + +function fromArrayLike (array) { + var length = array.length < 0 ? 0 : checked(array.length) | 0 + var buf = createBuffer(length) + for (var i = 0; i < length; i += 1) { + buf[i] = array[i] & 255 + } + return buf +} + +function fromArrayBuffer (array, byteOffset, length) { + if (byteOffset < 0 || array.byteLength < byteOffset) { + throw new RangeError('"offset" is outside of buffer bounds') + } + + if (array.byteLength < byteOffset + (length || 0)) { + throw new RangeError('"length" is outside of buffer bounds') + } + + var buf + if (byteOffset === undefined && length === undefined) { + buf = new Uint8Array(array) + } else if (length === undefined) { + buf = new Uint8Array(array, byteOffset) + } else { + buf = new Uint8Array(array, byteOffset, length) + } + + // Return an augmented `Uint8Array` instance + buf.__proto__ = Buffer.prototype + return buf +} + +function fromObject (obj) { + if (Buffer.isBuffer(obj)) { + var len = checked(obj.length) | 0 + var buf = createBuffer(len) + + if (buf.length === 0) { + return buf + } + + obj.copy(buf, 0, 0, len) + return buf + } + + if (obj.length !== undefined) { + if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { + return createBuffer(0) + } + return fromArrayLike(obj) + } + + if (obj.type === 'Buffer' && Array.isArray(obj.data)) { + return fromArrayLike(obj.data) + } +} + +function checked (length) { + // Note: cannot use `length < K_MAX_LENGTH` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= K_MAX_LENGTH) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') + } + return length | 0 +} + +function SlowBuffer (length) { + if (+length != length) { // eslint-disable-line eqeqeq + length = 0 + } + return Buffer.alloc(+length) +} + +Buffer.isBuffer = function isBuffer (b) { + return b != null && b._isBuffer === true && + b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false +} + +Buffer.compare = function compare (a, b) { + if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength) + if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength) + if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { + throw new TypeError( + 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array' + ) + } + + if (a === b) return 0 + + var x = a.length + var y = b.length + + for (var i = 0, len = Math.min(x, y); i < len; ++i) { + if (a[i] !== b[i]) { + x = a[i] + y = b[i] + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +} + +Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'latin1': + case 'binary': + case 'base64': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } +} + +Buffer.concat = function concat (list, length) { + if (!Array.isArray(list)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + + if (list.length === 0) { + return Buffer.alloc(0) + } + + var i + if (length === undefined) { + length = 0 + for (i = 0; i < list.length; ++i) { + length += list[i].length + } + } + + var buffer = Buffer.allocUnsafe(length) + var pos = 0 + for (i = 0; i < list.length; ++i) { + var buf = list[i] + if (isInstance(buf, Uint8Array)) { + buf = Buffer.from(buf) + } + if (!Buffer.isBuffer(buf)) { + throw new TypeError('"list" argument must be an Array of Buffers') + } + buf.copy(buffer, pos) + pos += buf.length + } + return buffer +} + +function byteLength (string, encoding) { + if (Buffer.isBuffer(string)) { + return string.length + } + if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { + return string.byteLength + } + if (typeof string !== 'string') { + throw new TypeError( + 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + + 'Received type ' + typeof string + ) + } + + var len = string.length + var mustMatch = (arguments.length > 2 && arguments[2] === true) + if (!mustMatch && len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false + for (;;) { + switch (encoding) { + case 'ascii': + case 'latin1': + case 'binary': + return len + case 'utf8': + case 'utf-8': + return utf8ToBytes(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes(string).length + default: + if (loweredCase) { + return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8 + } + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } +} +Buffer.byteLength = byteLength + +function slowToString (encoding, start, end) { + var loweredCase = false + + // No need to verify that "this.length <= MAX_UINT32" since it's a read-only + // property of a typed array. + + // This behaves neither like String nor Uint8Array in that we set start/end + // to their upper/lower bounds if the value passed is out of range. + // undefined is handled specially as per ECMA-262 6th Edition, + // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. + if (start === undefined || start < 0) { + start = 0 + } + // Return early if start > this.length. Done here to prevent potential uint32 + // coercion fail below. + if (start > this.length) { + return '' + } + + if (end === undefined || end > this.length) { + end = this.length + } + + if (end <= 0) { + return '' + } + + // Force coersion to uint32. This will also coerce falsey/NaN values to 0. + end >>>= 0 + start >>>= 0 + + if (end <= start) { + return '' + } + + if (!encoding) encoding = 'utf8' + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'latin1': + case 'binary': + return latin1Slice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase() + loweredCase = true + } + } +} + +// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) +// to detect a Buffer instance. It's not possible to use `instanceof Buffer` +// reliably in a browserify context because there could be multiple different +// copies of the 'buffer' package in use. This method works even for Buffer +// instances that were created from another copy of the `buffer` package. +// See: https://github.com/feross/buffer/issues/154 +Buffer.prototype._isBuffer = true + +function swap (b, n, m) { + var i = b[n] + b[n] = b[m] + b[m] = i +} + +Buffer.prototype.swap16 = function swap16 () { + var len = this.length + if (len % 2 !== 0) { + throw new RangeError('Buffer size must be a multiple of 16-bits') + } + for (var i = 0; i < len; i += 2) { + swap(this, i, i + 1) + } + return this +} + +Buffer.prototype.swap32 = function swap32 () { + var len = this.length + if (len % 4 !== 0) { + throw new RangeError('Buffer size must be a multiple of 32-bits') + } + for (var i = 0; i < len; i += 4) { + swap(this, i, i + 3) + swap(this, i + 1, i + 2) + } + return this +} + +Buffer.prototype.swap64 = function swap64 () { + var len = this.length + if (len % 8 !== 0) { + throw new RangeError('Buffer size must be a multiple of 64-bits') + } + for (var i = 0; i < len; i += 8) { + swap(this, i, i + 7) + swap(this, i + 1, i + 6) + swap(this, i + 2, i + 5) + swap(this, i + 3, i + 4) + } + return this +} + +Buffer.prototype.toString = function toString () { + var length = this.length + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice(this, 0, length) + return slowToString.apply(this, arguments) +} + +Buffer.prototype.toLocaleString = Buffer.prototype.toString + +Buffer.prototype.equals = function equals (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 +} + +Buffer.prototype.inspect = function inspect () { + var str = '' + var max = exports.INSPECT_MAX_BYTES + str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim() + if (this.length > max) str += ' ... ' + return '' +} + +Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { + if (isInstance(target, Uint8Array)) { + target = Buffer.from(target, target.offset, target.byteLength) + } + if (!Buffer.isBuffer(target)) { + throw new TypeError( + 'The "target" argument must be one of type Buffer or Uint8Array. ' + + 'Received type ' + (typeof target) + ) + } + + if (start === undefined) { + start = 0 + } + if (end === undefined) { + end = target ? target.length : 0 + } + if (thisStart === undefined) { + thisStart = 0 + } + if (thisEnd === undefined) { + thisEnd = this.length + } + + if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { + throw new RangeError('out of range index') + } + + if (thisStart >= thisEnd && start >= end) { + return 0 + } + if (thisStart >= thisEnd) { + return -1 + } + if (start >= end) { + return 1 + } + + start >>>= 0 + end >>>= 0 + thisStart >>>= 0 + thisEnd >>>= 0 + + if (this === target) return 0 + + var x = thisEnd - thisStart + var y = end - start + var len = Math.min(x, y) + + var thisCopy = this.slice(thisStart, thisEnd) + var targetCopy = target.slice(start, end) + + for (var i = 0; i < len; ++i) { + if (thisCopy[i] !== targetCopy[i]) { + x = thisCopy[i] + y = targetCopy[i] + break + } + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 +} + +// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, +// OR the last index of `val` in `buffer` at offset <= `byteOffset`. +// +// Arguments: +// - buffer - a Buffer to search +// - val - a string, Buffer, or number +// - byteOffset - an index into `buffer`; will be clamped to an int32 +// - encoding - an optional encoding, relevant is val is a string +// - dir - true for indexOf, false for lastIndexOf +function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { + // Empty buffer means no match + if (buffer.length === 0) return -1 + + // Normalize byteOffset + if (typeof byteOffset === 'string') { + encoding = byteOffset + byteOffset = 0 + } else if (byteOffset > 0x7fffffff) { + byteOffset = 0x7fffffff + } else if (byteOffset < -0x80000000) { + byteOffset = -0x80000000 + } + byteOffset = +byteOffset // Coerce to Number. + if (numberIsNaN(byteOffset)) { + // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer + byteOffset = dir ? 0 : (buffer.length - 1) + } + + // Normalize byteOffset: negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = buffer.length + byteOffset + if (byteOffset >= buffer.length) { + if (dir) return -1 + else byteOffset = buffer.length - 1 + } else if (byteOffset < 0) { + if (dir) byteOffset = 0 + else return -1 + } + + // Normalize val + if (typeof val === 'string') { + val = Buffer.from(val, encoding) + } + + // Finally, search either indexOf (if dir is true) or lastIndexOf + if (Buffer.isBuffer(val)) { + // Special case: looking for empty string/buffer always fails + if (val.length === 0) { + return -1 + } + return arrayIndexOf(buffer, val, byteOffset, encoding, dir) + } else if (typeof val === 'number') { + val = val & 0xFF // Search for a byte value [0-255] + if (typeof Uint8Array.prototype.indexOf === 'function') { + if (dir) { + return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) + } else { + return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) + } + } + return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir) + } + + throw new TypeError('val must be string, number or Buffer') +} + +function arrayIndexOf (arr, val, byteOffset, encoding, dir) { + var indexSize = 1 + var arrLength = arr.length + var valLength = val.length + + if (encoding !== undefined) { + encoding = String(encoding).toLowerCase() + if (encoding === 'ucs2' || encoding === 'ucs-2' || + encoding === 'utf16le' || encoding === 'utf-16le') { + if (arr.length < 2 || val.length < 2) { + return -1 + } + indexSize = 2 + arrLength /= 2 + valLength /= 2 + byteOffset /= 2 + } + } + + function read (buf, i) { + if (indexSize === 1) { + return buf[i] + } else { + return buf.readUInt16BE(i * indexSize) + } + } + + var i + if (dir) { + var foundIndex = -1 + for (i = byteOffset; i < arrLength; i++) { + if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { + if (foundIndex === -1) foundIndex = i + if (i - foundIndex + 1 === valLength) return foundIndex * indexSize + } else { + if (foundIndex !== -1) i -= i - foundIndex + foundIndex = -1 + } + } + } else { + if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength + for (i = byteOffset; i >= 0; i--) { + var found = true + for (var j = 0; j < valLength; j++) { + if (read(arr, i + j) !== read(val, j)) { + found = false + break + } + } + if (found) return i + } + } + + return -1 +} + +Buffer.prototype.includes = function includes (val, byteOffset, encoding) { + return this.indexOf(val, byteOffset, encoding) !== -1 +} + +Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, true) +} + +Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { + return bidirectionalIndexOf(this, val, byteOffset, encoding, false) +} + +function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0 + var remaining = buf.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + + var strLen = string.length + + if (length > strLen / 2) { + length = strLen / 2 + } + for (var i = 0; i < length; ++i) { + var parsed = parseInt(string.substr(i * 2, 2), 16) + if (numberIsNaN(parsed)) return i + buf[offset + i] = parsed + } + return i +} + +function utf8Write (buf, string, offset, length) { + return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) +} + +function asciiWrite (buf, string, offset, length) { + return blitBuffer(asciiToBytes(string), buf, offset, length) +} + +function latin1Write (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) +} + +function base64Write (buf, string, offset, length) { + return blitBuffer(base64ToBytes(string), buf, offset, length) +} + +function ucs2Write (buf, string, offset, length) { + return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) +} + +Buffer.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8' + length = this.length + offset = 0 + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset + length = this.length + offset = 0 + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset >>> 0 + if (isFinite(length)) { + length = length >>> 0 + if (encoding === undefined) encoding = 'utf8' + } else { + encoding = length + length = undefined + } + } else { + throw new Error( + 'Buffer.write(string, encoding, offset[, length]) is no longer supported' + ) + } + + var remaining = this.length - offset + if (length === undefined || length > remaining) length = remaining + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('Attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8' + + var loweredCase = false + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write(this, string, offset, length) + + case 'ascii': + return asciiWrite(this, string, offset, length) + + case 'latin1': + case 'binary': + return latin1Write(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } +} + +Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } +} + +function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64.fromByteArray(buf) + } else { + return base64.fromByteArray(buf.slice(start, end)) + } +} + +function utf8Slice (buf, start, end) { + end = Math.min(buf.length, end) + var res = [] + + var i = start + while (i < end) { + var firstByte = buf[i] + var codePoint = null + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1 + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte + } + break + case 2: + secondByte = buf[i + 1] + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint + } + } + break + case 3: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint + } + } + break + case 4: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + fourthByte = buf[i + 3] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD + bytesPerSequence = 1 + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000 + res.push(codePoint >>> 10 & 0x3FF | 0xD800) + codePoint = 0xDC00 | codePoint & 0x3FF + } + + res.push(codePoint) + i += bytesPerSequence + } + + return decodeCodePointsArray(res) +} + +// Based on http://stackoverflow.com/a/22747272/680742, the browser with +// the lowest limit is Chrome, with 0x10000 args. +// We go 1 magnitude less, for safety +var MAX_ARGUMENTS_LENGTH = 0x1000 + +function decodeCodePointsArray (codePoints) { + var len = codePoints.length + if (len <= MAX_ARGUMENTS_LENGTH) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = '' + var i = 0 + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) + ) + } + return res +} + +function asciiSlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i] & 0x7F) + } + return ret +} + +function latin1Slice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; ++i) { + ret += String.fromCharCode(buf[i]) + } + return ret +} + +function hexSlice (buf, start, end) { + var len = buf.length + + if (!start || start < 0) start = 0 + if (!end || end < 0 || end > len) end = len + + var out = '' + for (var i = start; i < end; ++i) { + out += toHex(buf[i]) + } + return out +} + +function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end) + var res = '' + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)) + } + return res +} + +Buffer.prototype.slice = function slice (start, end) { + var len = this.length + start = ~~start + end = end === undefined ? len : ~~end + + if (start < 0) { + start += len + if (start < 0) start = 0 + } else if (start > len) { + start = len + } + + if (end < 0) { + end += len + if (end < 0) end = 0 + } else if (end > len) { + end = len + } + + if (end < start) end = start + + var newBuf = this.subarray(start, end) + // Return an augmented `Uint8Array` instance + newBuf.__proto__ = Buffer.prototype + return newBuf +} + +/* + * Need to make sure that buffer isn't trying to write out of bounds. + */ +function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') +} + +Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + + return val +} + +Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + checkOffset(offset, byteLength, this.length) + } + + var val = this[offset + --byteLength] + var mul = 1 + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul + } + + return val +} + +Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 1, this.length) + return this[offset] +} + +Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + return this[offset] | (this[offset + 1] << 8) +} + +Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + return (this[offset] << 8) | this[offset + 1] +} + +Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) +} + +Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) +} + +Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var i = byteLength + var mul = 1 + var val = this[offset + --i] + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 1, this.length) + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) +} + +Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset] | (this[offset + 1] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset + 1] | (this[offset] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) +} + +Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) +} + +Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, true, 23, 4) +} + +Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, false, 23, 4) +} + +Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, true, 52, 8) +} + +Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + offset = offset >>> 0 + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, false, 52, 8) +} + +function checkInt (buf, value, offset, ext, max, min) { + if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') + if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') + if (offset + ext > buf.length) throw new RangeError('Index out of range') +} + +Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1 + checkInt(this, value, offset, byteLength, maxBytes, 0) + } + + var mul = 1 + var i = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + var maxBytes = Math.pow(2, 8 * byteLength) - 1 + checkInt(this, value, offset, byteLength, maxBytes, 0) + } + + var i = byteLength - 1 + var mul = 1 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) + this[offset] = (value & 0xff) + return offset + 1 +} + +Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + return offset + 2 +} + +Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + return offset + 2 +} + +Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + this[offset + 3] = (value >>> 24) + this[offset + 2] = (value >>> 16) + this[offset + 1] = (value >>> 8) + this[offset] = (value & 0xff) + return offset + 4 +} + +Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + return offset + 4 +} + +Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = 0 + var mul = 1 + var sub = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { + sub = 1 + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + var limit = Math.pow(2, (8 * byteLength) - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = byteLength - 1 + var mul = 1 + var sub = 0 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { + sub = 1 + } + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) + if (value < 0) value = 0xff + value + 1 + this[offset] = (value & 0xff) + return offset + 1 +} + +Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + return offset + 2 +} + +Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + return offset + 2 +} + +Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + this[offset + 2] = (value >>> 16) + this[offset + 3] = (value >>> 24) + return offset + 4 +} + +Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (value < 0) value = 0xffffffff + value + 1 + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + return offset + 4 +} + +function checkIEEE754 (buf, value, offset, ext, max, min) { + if (offset + ext > buf.length) throw new RangeError('Index out of range') + if (offset < 0) throw new RangeError('Index out of range') +} + +function writeFloat (buf, value, offset, littleEndian, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) + } + ieee754.write(buf, value, offset, littleEndian, 23, 4) + return offset + 4 +} + +Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) +} + +function writeDouble (buf, value, offset, littleEndian, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) + } + ieee754.write(buf, value, offset, littleEndian, 52, 8) + return offset + 8 +} + +Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) +} + +// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) +Buffer.prototype.copy = function copy (target, targetStart, start, end) { + if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer') + if (!start) start = 0 + if (!end && end !== 0) end = this.length + if (targetStart >= target.length) targetStart = target.length + if (!targetStart) targetStart = 0 + if (end > 0 && end < start) end = start + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('Index out of range') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start + } + + var len = end - start + + if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') { + // Use built-in when available, missing from IE11 + this.copyWithin(targetStart, start, end) + } else if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (var i = len - 1; i >= 0; --i) { + target[i + targetStart] = this[i + start] + } + } else { + Uint8Array.prototype.set.call( + target, + this.subarray(start, end), + targetStart + ) + } + + return len +} + +// Usage: +// buffer.fill(number[, offset[, end]]) +// buffer.fill(buffer[, offset[, end]]) +// buffer.fill(string[, offset[, end]][, encoding]) +Buffer.prototype.fill = function fill (val, start, end, encoding) { + // Handle string cases: + if (typeof val === 'string') { + if (typeof start === 'string') { + encoding = start + start = 0 + end = this.length + } else if (typeof end === 'string') { + encoding = end + end = this.length + } + if (encoding !== undefined && typeof encoding !== 'string') { + throw new TypeError('encoding must be a string') + } + if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { + throw new TypeError('Unknown encoding: ' + encoding) + } + if (val.length === 1) { + var code = val.charCodeAt(0) + if ((encoding === 'utf8' && code < 128) || + encoding === 'latin1') { + // Fast path: If `val` fits into a single byte, use that numeric value. + val = code + } + } + } else if (typeof val === 'number') { + val = val & 255 + } + + // Invalid ranges are not set to a default, so can range check early. + if (start < 0 || this.length < start || this.length < end) { + throw new RangeError('Out of range index') + } + + if (end <= start) { + return this + } + + start = start >>> 0 + end = end === undefined ? this.length : end >>> 0 + + if (!val) val = 0 + + var i + if (typeof val === 'number') { + for (i = start; i < end; ++i) { + this[i] = val + } + } else { + var bytes = Buffer.isBuffer(val) + ? val + : Buffer.from(val, encoding) + var len = bytes.length + if (len === 0) { + throw new TypeError('The value "' + val + + '" is invalid for argument "value"') + } + for (i = 0; i < end - start; ++i) { + this[i + start] = bytes[i % len] + } + } + + return this +} + +// HELPER FUNCTIONS +// ================ + +var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g + +function base64clean (str) { + // Node takes equal signs as end of the Base64 encoding + str = str.split('=')[0] + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = str.trim().replace(INVALID_BASE64_RE, '') + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '=' + } + return str +} + +function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) +} + +function utf8ToBytes (string, units) { + units = units || Infinity + var codePoint + var length = string.length + var leadSurrogate = null + var bytes = [] + + for (var i = 0; i < length; ++i) { + codePoint = string.charCodeAt(i) + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } + + // valid lead + leadSurrogate = codePoint + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + leadSurrogate = codePoint + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + } + + leadSurrogate = null + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint) + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else { + throw new Error('Invalid code point') + } + } + + return bytes +} + +function asciiToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; ++i) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF) + } + return byteArray +} + +function utf16leToBytes (str, units) { + var c, hi, lo + var byteArray = [] + for (var i = 0; i < str.length; ++i) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i) + hi = c >> 8 + lo = c % 256 + byteArray.push(lo) + byteArray.push(hi) + } + + return byteArray +} + +function base64ToBytes (str) { + return base64.toByteArray(base64clean(str)) +} + +function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; ++i) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i] + } + return i +} + +// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass +// the `instanceof` check but they should be treated as of that type. +// See: https://github.com/feross/buffer/issues/166 +function isInstance (obj, type) { + return obj instanceof type || + (obj != null && obj.constructor != null && obj.constructor.name != null && + obj.constructor.name === type.name) +} +function numberIsNaN (obj) { + // For IE11 support + return obj !== obj // eslint-disable-line no-self-compare +} + +}).call(this)}).call(this,require("buffer").Buffer) +},{"base64-js":8,"buffer":10,"ieee754":28}],11:[function(require,module,exports){ +'use strict'; + +var GetIntrinsic = require('get-intrinsic'); + +var callBind = require('./'); + +var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf')); + +module.exports = function callBoundIntrinsic(name, allowMissing) { + var intrinsic = GetIntrinsic(name, !!allowMissing); + if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) { + return callBind(intrinsic); + } + return intrinsic; +}; + +},{"./":12,"get-intrinsic":24}],12:[function(require,module,exports){ +'use strict'; + +var bind = require('function-bind'); +var GetIntrinsic = require('get-intrinsic'); + +var $apply = GetIntrinsic('%Function.prototype.apply%'); +var $call = GetIntrinsic('%Function.prototype.call%'); +var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply); + +var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true); +var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); +var $max = GetIntrinsic('%Math.max%'); + +if ($defineProperty) { + try { + $defineProperty({}, 'a', { value: 1 }); + } catch (e) { + // IE 8 has a broken defineProperty + $defineProperty = null; + } +} + +module.exports = function callBind(originalFunction) { + var func = $reflectApply(bind, $call, arguments); + if ($gOPD && $defineProperty) { + var desc = $gOPD(func, 'length'); + if (desc.configurable) { + // original length, plus the receiver, minus any additional arguments (after the receiver) + $defineProperty( + func, + 'length', + { value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) } + ); + } + } + return func; +}; + +var applyBind = function applyBind() { + return $reflectApply(bind, $apply, arguments); +}; + +if ($defineProperty) { + $defineProperty(module.exports, 'apply', { value: applyBind }); +} else { + module.exports.apply = applyBind; +} + +},{"function-bind":23,"get-intrinsic":24}],13:[function(require,module,exports){ +(function (process){(function (){ +/** + * This is the web browser implementation of `debug()`. + * + * Expose `debug()` as the module. + */ + +exports = module.exports = require('./debug'); +exports.log = log; +exports.formatArgs = formatArgs; +exports.save = save; +exports.load = load; +exports.useColors = useColors; +exports.storage = 'undefined' != typeof chrome + && 'undefined' != typeof chrome.storage + ? chrome.storage.local + : localstorage(); + +/** + * Colors. + */ + +exports.colors = [ + 'lightseagreen', + 'forestgreen', + 'goldenrod', + 'dodgerblue', + 'darkorchid', + 'crimson' +]; + +/** + * Currently only WebKit-based Web Inspectors, Firefox >= v31, + * and the Firebug extension (any Firefox version) are known + * to support "%c" CSS customizations. + * + * TODO: add a `localStorage` variable to explicitly enable/disable colors + */ + +function useColors() { + // NB: In an Electron preload script, document will be defined but not fully + // initialized. Since we know we're in Chrome, we'll just detect this case + // explicitly + if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') { + return true; + } + + // is webkit? http://stackoverflow.com/a/16459606/376773 + // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632 + return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) || + // is firebug? http://stackoverflow.com/a/398120/376773 + (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) || + // is firefox >= v31? + // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) || + // double check webkit in userAgent just in case we are in a worker + (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/)); +} + +/** + * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default. + */ + +exports.formatters.j = function(v) { + try { + return JSON.stringify(v); + } catch (err) { + return '[UnexpectedJSONParseError]: ' + err.message; + } +}; + + +/** + * Colorize log arguments if enabled. + * + * @api public + */ + +function formatArgs(args) { + var useColors = this.useColors; + + args[0] = (useColors ? '%c' : '') + + this.namespace + + (useColors ? ' %c' : ' ') + + args[0] + + (useColors ? '%c ' : ' ') + + '+' + exports.humanize(this.diff); + + if (!useColors) return; + + var c = 'color: ' + this.color; + args.splice(1, 0, c, 'color: inherit') + + // the final "%c" is somewhat tricky, because there could be other + // arguments passed either before or after the %c, so we need to + // figure out the correct index to insert the CSS into + var index = 0; + var lastC = 0; + args[0].replace(/%[a-zA-Z%]/g, function(match) { + if ('%%' === match) return; + index++; + if ('%c' === match) { + // we only are interested in the *last* %c + // (the user may have provided their own) + lastC = index; + } + }); + + args.splice(lastC, 0, c); +} + +/** + * Invokes `console.log()` when available. + * No-op when `console.log` is not a "function". + * + * @api public + */ + +function log() { + // this hackery is required for IE8/9, where + // the `console.log` function doesn't have 'apply' + return 'object' === typeof console + && console.log + && Function.prototype.apply.call(console.log, console, arguments); +} + +/** + * Save `namespaces`. + * + * @param {String} namespaces + * @api private + */ + +function save(namespaces) { + try { + if (null == namespaces) { + exports.storage.removeItem('debug'); + } else { + exports.storage.debug = namespaces; + } + } catch(e) {} +} + +/** + * Load `namespaces`. + * + * @return {String} returns the previously persisted debug modes + * @api private + */ + +function load() { + var r; + try { + r = exports.storage.debug; + } catch(e) {} + + // If debug isn't set in LS, and we're in Electron, try to load $DEBUG + if (!r && typeof process !== 'undefined' && 'env' in process) { + r = process.env.DEBUG; + } + + return r; +} + +/** + * Enable namespaces listed in `localStorage.debug` initially. + */ + +exports.enable(load()); + +/** + * Localstorage attempts to return the localstorage. + * + * This is necessary because safari throws + * when a user disables cookies/localstorage + * and you attempt to access it. + * + * @return {LocalStorage} + * @api private + */ + +function localstorage() { + try { + return window.localStorage; + } catch (e) {} +} + +}).call(this)}).call(this,require('_process')) +},{"./debug":14,"_process":35}],14:[function(require,module,exports){ + +/** + * This is the common logic for both the Node.js and web browser + * implementations of `debug()`. + * + * Expose `debug()` as the module. + */ + +exports = module.exports = createDebug.debug = createDebug['default'] = createDebug; +exports.coerce = coerce; +exports.disable = disable; +exports.enable = enable; +exports.enabled = enabled; +exports.humanize = require('ms'); + +/** + * The currently active debug mode names, and names to skip. + */ + +exports.names = []; +exports.skips = []; + +/** + * Map of special "%n" handling functions, for the debug "format" argument. + * + * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N". + */ + +exports.formatters = {}; + +/** + * Previous log timestamp. + */ + +var prevTime; + +/** + * Select a color. + * @param {String} namespace + * @return {Number} + * @api private + */ + +function selectColor(namespace) { + var hash = 0, i; + + for (i in namespace) { + hash = ((hash << 5) - hash) + namespace.charCodeAt(i); + hash |= 0; // Convert to 32bit integer + } + + return exports.colors[Math.abs(hash) % exports.colors.length]; +} + +/** + * Create a debugger with the given `namespace`. + * + * @param {String} namespace + * @return {Function} + * @api public + */ + +function createDebug(namespace) { + + function debug() { + // disabled? + if (!debug.enabled) return; + + var self = debug; + + // set `diff` timestamp + var curr = +new Date(); + var ms = curr - (prevTime || curr); + self.diff = ms; + self.prev = prevTime; + self.curr = curr; + prevTime = curr; + + // turn the `arguments` into a proper Array + var args = new Array(arguments.length); + for (var i = 0; i < args.length; i++) { + args[i] = arguments[i]; + } + + args[0] = exports.coerce(args[0]); + + if ('string' !== typeof args[0]) { + // anything else let's inspect with %O + args.unshift('%O'); + } + + // apply any `formatters` transformations + var index = 0; + args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) { + // if we encounter an escaped % then don't increase the array index + if (match === '%%') return match; + index++; + var formatter = exports.formatters[format]; + if ('function' === typeof formatter) { + var val = args[index]; + match = formatter.call(self, val); + + // now we need to remove `args[index]` since it's inlined in the `format` + args.splice(index, 1); + index--; + } + return match; + }); + + // apply env-specific formatting (colors, etc.) + exports.formatArgs.call(self, args); + + var logFn = debug.log || exports.log || console.log.bind(console); + logFn.apply(self, args); + } + + debug.namespace = namespace; + debug.enabled = exports.enabled(namespace); + debug.useColors = exports.useColors(); + debug.color = selectColor(namespace); + + // env-specific initialization logic for debug instances + if ('function' === typeof exports.init) { + exports.init(debug); + } + + return debug; +} + +/** + * Enables a debug mode by namespaces. This can include modes + * separated by a colon and wildcards. + * + * @param {String} namespaces + * @api public + */ + +function enable(namespaces) { + exports.save(namespaces); + + exports.names = []; + exports.skips = []; + + var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/); + var len = split.length; + + for (var i = 0; i < len; i++) { + if (!split[i]) continue; // ignore empty strings + namespaces = split[i].replace(/\*/g, '.*?'); + if (namespaces[0] === '-') { + exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$')); + } else { + exports.names.push(new RegExp('^' + namespaces + '$')); + } + } +} + +/** + * Disable debug output. + * + * @api public + */ + +function disable() { + exports.enable(''); +} + +/** + * Returns true if the given mode name is enabled, false otherwise. + * + * @param {String} name + * @return {Boolean} + * @api public + */ + +function enabled(name) { + var i, len; + for (i = 0, len = exports.skips.length; i < len; i++) { + if (exports.skips[i].test(name)) { + return false; + } + } + for (i = 0, len = exports.names.length; i < len; i++) { + if (exports.names[i].test(name)) { + return true; + } + } + return false; +} + +/** + * Coerce `val`. + * + * @param {Mixed} val + * @return {Mixed} + * @api private + */ + +function coerce(val) { + if (val instanceof Error) return val.stack || val.message; + return val; +} + +},{"ms":33}],15:[function(require,module,exports){ +(function() { + var dms2dec = function(lat, latRef, lon, lonRef) { + var ref = {'N': 1, 'E': 1, 'S': -1, 'W': -1}; + var sep = [' ,', ' ', ',']; + var i; + + if (typeof lat === 'string') { + for (i = 0; i < sep.length; i++) { + if (lat.split(sep[i]).length === 3) { + lat = lat.split(sep[i]); + break; + } + } + } + + if (typeof lon === 'string') { + for (i = 0; i < sep.length; i++) { + if (lon.split(sep[i]).length === 3) { + lon = lon.split(sep[i]); + break; + } + } + } + + for (i = 0; i < lat.length; i++) { + if (typeof lat[i] === 'string') { + lat[i] = lat[i].split('/'); + lat[i] = parseInt(lat[i][0], 10) / parseInt(lat[i][1], 10); + } + } + + for (i = 0; i < lon.length; i++) { + if (typeof lon[i] === 'string') { + lon[i] = lon[i].split('/'); + lon[i] = parseInt(lon[i][0], 10) / parseInt(lon[i][1], 10); + } + } + + lat = (lat[0] + (lat[1] / 60) + (lat[2] / 3600)) * ref[latRef]; + lon = (lon[0] + (lon[1] / 60) + (lon[2] / 3600)) * ref[lonRef]; + + return [lat, lon]; + }; + + + // Node / Browserify module + if (typeof module === 'object' && typeof module.exports === 'object') { + module.exports = dms2dec; + + // AMD module + } else if (typeof define === 'function' && define.amd) { + define(dms2dec); + + // Global variable + } else { + window.dms2dec = dms2dec; + } +})(); + +},{}],16:[function(require,module,exports){ +'use strict'; + +var GetIntrinsic = require('get-intrinsic'); + +var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%'); +if ($gOPD) { + try { + $gOPD([], 'length'); + } catch (e) { + // IE 8 has a broken gOPD + $gOPD = null; + } +} + +module.exports = $gOPD; + +},{"get-intrinsic":24}],17:[function(require,module,exports){ +const dms2dec = require('dms2dec'); + +function exifGeojson (exifData = {}) { + try { + const { GPSLatitude, GPSLatitudeRef, GPSLongitude, GPSLongitudeRef, GPSAltitude, GPSAltitudeRef } = exifData.gps; + var coordinates = dms2dec(GPSLatitude, GPSLatitudeRef, GPSLongitude, GPSLongitudeRef); + var alt = ((0 - GPSAltitudeRef) * GPSAltitude) || GPSAltitude; // negate if below sea level + } catch (e) { + throw new Error('Location data missing or invalid'); + } + + return { + geometry: { + type: 'point', + coordinates: coordinates.reverse().concat(alt) + } + }; +} + +module.exports = exifGeojson; + +},{"dms2dec":15}],18:[function(require,module,exports){ +(function (Buffer){(function (){ +// +// A couple of methods that make working with buffers more easy. +// + +Buffer.prototype.getByte = function (offset) { + return this[offset]; +}; + +Buffer.prototype.getSignedByte = function (offset) { + return (this[offset] > 127) ? this[offset] - 256 : this[offset]; +}; + +Buffer.prototype.getShort = function (offset, bigEndian) { + var shortVal = (bigEndian) ? (this[offset] << 8) + this[offset + 1] : (this[offset + 1] << 8) + this[offset]; + return (shortVal < 0) ? shortVal + 65536 : shortVal; +}; + +Buffer.prototype.getSignedShort = function (offset, bigEndian) { + var shortVal = (bigEndian) ? (this[offset] << 8) + this[offset + 1] : (this[offset + 1] << 8) + this[offset]; + return (shortVal > 32767) ? shortVal - 65536 : shortVal; +}; + +Buffer.prototype.getLong = function (offset, bigEndian) { + var longVal = (bigEndian) ? (((((this[offset] << 8) + this[offset + 1]) << 8) + this[offset + 2]) << 8) + this[offset + 3] : (((((this[offset + 3] << 8) + this[offset + 2]) << 8) + this[offset + 1]) << 8) + this[offset]; + return (longVal < 0) ? longVal + 4294967296 : longVal; +}; + +Buffer.prototype.getSignedLong = function (offset, bigEndian) { + var longVal = (bigEndian) ? (((((this[offset] << 8) + this[offset + 1]) << 8) + this[offset + 2]) << 8) + this[offset + 3] : (((((this[offset + 3] << 8) + this[offset + 2]) << 8) + this[offset + 1]) << 8) + this[offset]; + return (longVal > 2147483647) ? longVal - 4294967296 : longVal; +}; + +Buffer.prototype.getString = function (offset, length) { + var string = []; + for (var i = offset; i < offset + length; i++) { + string.push(String.fromCharCode(this[i])); + } + return string.join(''); +}; +}).call(this)}).call(this,require("buffer").Buffer) +},{"buffer":10}],19:[function(require,module,exports){ +(function (Buffer,setImmediate){(function (){ +/*jslint node: true */ +"use strict"; + +var assert = require('assert'); +var fs = require('fs'); +var util = require('util'); +var BufferExtender = require('./Buffer'); // bad idea +var debug = require('debug')('exif'); + +var DEFAULT_MAX_ENTRIES=128; + +/** + * Represents an image with Exif information. When instantiating it you have to + * provide an image and a callback function which is called once all metadata + * is extracted from the image. + * + * Available options are: + * - image The image to get Exif data from can be either a filesystem path or + * a Buffer. + * - tiffOffsets (boolean) an object named "offsets" is added to exifData + * and contains lot of offsets needed to get thumbnail and other things. + * - fixThumbnailOffset: node-exif corrects the thumbnail offset in order to have an offset from the start of the buffer/file. + * - maxEntries: Specifies the maximum entries to be parsed + * - ifd0MaxEntries + * - ifd1MaxEntries + * - maxGpsEntries + * - maxInteroperabilityEntries + * - agfaMaxEntries + * - epsonMaxEntries + * - fujifilmMaxEntries + * - olympusMaxEntries + * - panasonicMaxEntries + * - sanyoMaxEntries + * - noPadding + * + * If you don't set the image field, you might call exifImage.loadImage(image, callback) to get exif datas. + * + * @param options Configuration options as described above + * @param callback Function to call when data is extracted or an error occurred + * @return Nothing of importance, calls the specified callback function instead + */ +function ExifImage (options, callback) { + if (!(this instanceof ExifImage)) { + if (typeof(options)==="string") { + options = { + image: options + } + } + + assert(typeof(options)==="object", "Invalid options object"); + + var exifImage = new ExifImage(options, function(error, data) { + if (error) { + return callback(error); + } + + callback(null, data, options.image); + }); + + return exifImage; + } + + if (typeof(options)==="string") { + options= { + image: options + } + } else if (options instanceof Buffer) { + options= { + image: options + } + } + + var ops={}; + if (options) { + for(var k in options) { + ops[k]=options[k]; + } + } + this.options=ops; + + // Default option values + ["ifd0MaxEntries", "ifd1MaxEntries", "maxGpsEntries", "maxInteroperabilityEntries", "agfaMaxEntries", "epsonMaxEntries", + "fujifilmMaxEntries", "olympusMaxEntries", "panasonicMaxEntries", "sanyoMaxEntries"].forEach(function(p) { + if (ops[p]===undefined) { + ops[p]=DEFAULT_MAX_ENTRIES; + } + }); + + this.exifData = { + image : {}, // Information about the main image + thumbnail : {}, // Information about the thumbnail + exif : {}, // Exif information + gps : {}, // GPS information + interoperability: {}, // Exif Interoperability information + makernote : {} // Makernote information + }; + + this.offsets={}; + if (ops.tiffOffsets) { + exifData.offsets=offsets; + } + + debug("New ExifImage options=",options); + + if (!ops.image) { + // If options image is not specified, the developper must call loadImage() to parse the image. +// callback(new Error('You have to provide an image, it is pretty hard to extract Exif data from nothing...')); + return; + } + + if (typeof callback !== 'function') { + throw new Error('You have to provide a callback function.'); + } + + var self=this; + setImmediate(function() { + self.loadImage(ops.image, function (error, exifData) { + if (error) { + return callback(error); + } + + callback(null, exifData, ops.image); + }); + }); +} + +ExifImage.ExifImage=ExifImage; + +module.exports = ExifImage; + +/** + * Load image and parse exifDatas + * + * @param [String|Buffer] image the image + * @param callback a callback which is called when exif datas are parsed. + * @return Nothing + */ +ExifImage.prototype.loadImage = function (image, callback) { + assert(typeof(callback)==="function", "Callback must be a function"); + + var self = this; + + debug("loadImage image=", image); + + if (image.constructor.name === 'Buffer') { + this.processImage("Buffer", image, callback); + return; + } + + if (image.constructor.name === 'String') { + fs.readFile(image, function (error, data) { + if (error) { + callback(new Error('Encountered the following error while trying to read given image: '+error)); + return; + } + + self.processImage("File: "+image, data, callback); + }); + return; + } + + callback(new Error('Given image is neither a buffer nor a file, please provide one of these.')); +}; + +ExifImage.prototype.processImage = function (source, data, callback) { + assert(typeof(source)==="string", "Source must be a string"); + assert(typeof(callback)==="function", "Callback must be a function"); + + var offset = 0; + + if (data[offset++] != 0xFF || data[offset++] != 0xD8) { + var e=new Error('The given image is not a JPEG and thus unsupported right now.'); + e.source=source; + e.code="NOT_A_JPEG"; + callback(e); + return; + } + + this.imageType = 'JPEG'; + + while (offset < data.length) { + + if (data[offset++] != 0xFF) { + break; + } + + if (data[offset++] == 0xE1) { + try { + this.extractExifData(data, offset + 2, data.getShort(offset, true) - 2); + + } catch (error) { + error.code="PARSING_ERROR"; + error.source=source; + + debug("Extract exif data error source=", source, "offset=", offset, "error=",error); + + callback(error); + return; + } + + debug("Extract exif data success source=", source, "exifData=",this.exifData); + + callback(null, this.exifData); + return; + } + + offset += data.getShort(offset, true); + } + + var e2=new Error('No Exif segment found in the given image.'); + e2.source=source; + e2.code="NO_EXIF_SEGMENT"; + + callback(e2); +}; + +ExifImage.prototype.extractExifData = function (data, start, length) { + + var exifData=this.exifData; + var tiffOffset = start + 6; + var ifdOffset, numberOfEntries; + var noPadding = (this.options.noPadding!==false); + + this.offsets.tiff=tiffOffset; + + // Exif data always starts with Exif\0\0 + if (data.toString('utf8', start, tiffOffset) != 'Exif\0\0') { + throw new Error('The Exif data is not valid.'); + } + + // After the Exif start we either have 0x4949 if the following data is + // stored in big endian or 0x4D4D if it is stored in little endian + if (data.getShort(tiffOffset) == 0x4949) { + this.isBigEndian = false; + + } else if (data.getShort(tiffOffset) == 0x4D4D) { + this.isBigEndian = true; + + } else { + throw new Error('Invalid TIFF data! Expected 0x4949 or 0x4D4D at offset '+(tiffOffset)+' but found 0x'+data[tiffOffset].toString(16).toUpperCase()+data[tiffOffset + 1].toString(16).toUpperCase()+"."); + } + + debug("BigEndian=",this.isBigEndian); + + // Valid TIFF headers always have 0x002A here + if (data.getShort(tiffOffset + 2, this.isBigEndian) != 0x002A) { + var expected = (this.isBigEndian) ? '0x002A' : '0x2A00'; + throw new Error('Invalid TIFF data! Expected '+expected+' at offset '+(tiffOffset + 2)+' but found 0x'+data[tiffOffset + 2].toString(16).toUpperCase()+data[tiffOffset + 3].toString(16).toUpperCase()+"."); + } + + /********************************* IFD0 **********************************/ + + // Offset to IFD0 which is always followed by two bytes with the amount of + // entries in this IFD + ifdOffset = tiffOffset + data.getLong(tiffOffset + 4, this.isBigEndian); + this.offsets.ifd0=ifdOffset; + + numberOfEntries = data.getShort(ifdOffset, this.isBigEndian); + if (this.options.ifd0MaxEntries) { + numberOfEntries=Math.min(numberOfEntries, this.options.ifd0MaxEntries); + } + + debug("IFD0 ifdOffset=",ifdOffset, "numberOfEntries=", numberOfEntries); + + // Each IFD entry consists of 12 bytes which we loop through and extract + // the data from + for (var i = 0; i < numberOfEntries; i++) { + var exifEntry = this.extractExifEntry(data, (ifdOffset + 2 + (i * 12)), tiffOffset, this.isBigEndian, ExifImage.TAGS.exif); + if (!exifEntry) { + continue; + } + + if (exifEntry.tagId===0xEA1C && noPadding) { + continue; + } + + exifData.image[exifEntry.tagName] = exifEntry.value; + } + + debug("IFD0 parsed", exifData.image); + + /********************************* IFD1 **********************************/ + + // Check if there is an offset for IFD1. If so it is always followed by two + // bytes with the amount of entries in this IFD, if not there is no IFD1 + var nextIfdOffset = data.getLong(ifdOffset + 2 + (numberOfEntries * 12), this.isBigEndian) + if (nextIfdOffset != 0x00000000) { + ifdOffset = tiffOffset + nextIfdOffset; + this.offsets.ifd1=ifdOffset; + numberOfEntries = data.getShort(ifdOffset, this.isBigEndian); + if (this.options.ifd1MaxEntries) { + numberOfEntries=Math.min(numberOfEntries, this.options.ifd1MaxEntries); + } + + debug("IFD1 ifdOffset=",ifdOffset, "numberOfEntries=", numberOfEntries); + + // Each IFD entry consists of 12 bytes which we loop through and extract + // the data from + for (var i = 0; i < numberOfEntries; i++) { + var exifEntry = this.extractExifEntry(data, (ifdOffset + 2 + (i * 12)), tiffOffset, this.isBigEndian, ExifImage.TAGS.exif); + if (!exifEntry) { + continue; + } + + if (exifEntry.tagId===0xEA1C && noPadding) { + continue; + } + + exifData.thumbnail[exifEntry.tagName] = exifEntry.value; + } + + if (this.options.fixThumbnailOffset) { + var thumbnailOffset=exifData.thumbnail[ExifImage.TAGS.exif[0x0201]]; + if (thumbnailOffset) { + debug("IFD1 fix thumbnail offset, add=",this.offsets.tiff); + + exifData.thumbnail[ExifImage.TAGS.exif[0x0201]]+=this.offsets.tiff; + } + } + + debug("IFD1 parsed", exifData.thumbnail); + } + + /******************************* EXIF IFD ********************************/ + + // Look for a pointer to the Exif IFD in IFD0 and extract information from + // it if available + if (exifData.image[ExifImage.TAGS.exif[0x8769]]) { + + ifdOffset = tiffOffset + exifData.image[ExifImage.TAGS.exif[0x8769]]; + this.offsets.tags=ifdOffset; + + numberOfEntries = data.getShort(ifdOffset, this.isBigEndian); + if (this.options.maxEntries) { + numberOfEntries=Math.min(numberOfEntries, this.options.maxEntries); + } + + debug("EXIF IFD ifdOffset=",ifdOffset, "numberOfEntries=", numberOfEntries); + + // Each IFD entry consists of 12 bytes which we loop through and extract + // the data from + for (var i = 0; i < numberOfEntries; i++) { + var exifEntry = this.extractExifEntry(data, (ifdOffset + 2 + (i * 12)), tiffOffset, this.isBigEndian, ExifImage.TAGS.exif); + if (!exifEntry) { + continue; + } + + if (exifEntry.tagId===0xEA1C && noPadding) { + continue; + } + + exifData.exif[exifEntry.tagName] = exifEntry.value; + } + + debug("EXIF IFD parsed",exifData.exif); + } + + /******************************** GPS IFD ********************************/ + + // Look for a pointer to the GPS IFD in IFD0 and extract information from + // it if available + if (exifData.image[ExifImage.TAGS.exif[0x8825]]) { + + ifdOffset = tiffOffset + exifData.image[ExifImage.TAGS.exif[0x8825]]; + this.offsets.gps=ifdOffset; + + numberOfEntries = data.getShort(ifdOffset, this.isBigEndian); + if (this.options.maxGpsEntries) { + numberOfEntries=Math.min(numberOfEntries, this.options.maxGpsEntries); + } + + debug("GPS IFD ifdOffset=", ifdOffset, "numberOfEntries=", numberOfEntries); + + // Each IFD entry consists of 12 bytes which we loop through and extract + // the data from + for (var i = 0; i < numberOfEntries; i++) { + var exifEntry = this.extractExifEntry(data, (ifdOffset + 2 + (i * 12)), tiffOffset, this.isBigEndian, ExifImage.TAGS.gps); + if (!exifEntry) { + continue; + } + + if (exifEntry.tagId===0xEA1C && noPadding) { + continue; + } + + exifData.gps[exifEntry.tagName] = exifEntry.value; + } + + debug("GPS IFD parsed",exifData.gps); + } + + /************************* Interoperability IFD **************************/ + + // Look for a pointer to the interoperatbility IFD in the Exif IFD and + // extract information from it if available + if (exifData.exif[ExifImage.TAGS.exif[0xA005]]) { + + ifdOffset = tiffOffset + exifData.exif[ExifImage.TAGS.exif[0xA005]]; + this.offsets.interoperability=ifdOffset; + + numberOfEntries = data.getShort(ifdOffset, this.isBigEndian); + if (this.options.maxInteroperabilityEntries) { + numberOfEntries=Math.min(numberOfEntries, this.options.maxInteroperabilityEntries); + } + + debug("Interoperability IFD ifdOffset=", ifdOffset, "numberOfEntries=", numberOfEntries); + + // Each IFD entry consists of 12 bytes which we loop through and extract + // the data from + for (var i = 0; i < numberOfEntries; i++) { + var exifEntry = this.extractExifEntry(data, (ifdOffset + 2 + (i * 12)), tiffOffset, this.isBigEndian, ExifImage.TAGS.exif); + if (!exifEntry) { + break; + } + + if (exifEntry.tagId===0xEA1C && noPadding) { + continue; + } + + exifData.interoperability[exifEntry.tagName] = exifEntry.value; + } + + debug("Interoperability IFD parsed",exifData.gps); + } + + /***************************** Makernote IFD *****************************/ + + // Look for Makernote data in the Exif IFD, check which type of proprietary + // Makernotes the image contains, load the respective functionality and + // start the extraction + if (typeof exifData.exif[ExifImage.TAGS.exif[0x927C]] != "undefined") { + + var type; + // Check the header to see what kind of Makernote we are dealing with + if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 7) === "OLYMP\x00\x01" || exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 7) === "OLYMP\x00\x02") { + type="olympus" + + } else if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 7) === "AGFA \x00\x01") { + type="agfa"; + + } else if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 8) === "EPSON\x00\x01\x00") { + type="epson"; + + } else if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 8) === "FUJIFILM") { + type="fujifilm"; + + } else if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 9) === "Panasonic") { + type="panasonic"; + + } else if (exifData.exif[ExifImage.TAGS.exif[0x927C]].getString(0, 5) === "SANYO") { + type="sanyo"; + } + + + debug("Makernote IFD ifdOffset=", ifdOffset, "type=", type); + + if (type) { + var extractMakernotes = require('./makernotes/'+type).extractMakernotes; + + exifData.makernote = extractMakernotes.call(this, data, this.makernoteOffset, tiffOffset); + + } else { + // Makernotes are available but the format is not recognized so + // an error message is pushed instead, this ain't the best + // solution but should do for now + exifData.makernote['error'] = 'Unable to extract Makernote information as it is in an unsupported or unrecognized format.'; + } + + debug("Makernote IFD parsed",exifData.makernote); + } +}; + +ExifImage.prototype.extractExifEntry = function (data, entryOffset, tiffOffset, isBigEndian, tags) { + + var entry = { + tag : data.slice(entryOffset, entryOffset + 2), + tagId : null, + tagName : null, + format : data.getShort(entryOffset + 2, isBigEndian), + components : data.getLong(entryOffset + 4, isBigEndian), + valueOffset: null, + value : [] + } + + entry.tagId = entry.tag.getShort(0, isBigEndian); + + // The tagId may correspond to more then one tagName so check which + if (tags && tags[entry.tagId] && typeof tags[entry.tagId] == "function") { + entry.tagName = tags[entry.tagId].call(this, entry); + if (!entry.tagName) { + return false; + } + + // The tagId corresponds to exactly one tagName + } else if (tags && tags[entry.tagId]) { + entry.tagName = tags[entry.tagId]; + if (entry.tagName===undefined) { + return false; + } + + // The tagId is not recognized + } else { + return false; + } + + switch (entry.format) { + + case 0x0001: // unsigned byte, 1 byte per component + entry.valueOffset = (entry.components <= 4) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getByte(entry.valueOffset + i)); + break; + + case 0x0002: // ascii strings, 1 byte per component + entry.valueOffset = (entry.components <= 4) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + entry.value = data.getString(entry.valueOffset, entry.components); + if (entry.value[entry.value.length - 1] === "\u0000") // Trim null terminated strings + entry.value = entry.value.substring(0, entry.value.length - 1); + break; + + case 0x0003: // unsigned short, 2 byte per component + entry.valueOffset = (entry.components <= 2) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getShort(entry.valueOffset + i * 2, isBigEndian)); + break; + + case 0x0004: // unsigned long, 4 byte per component + entry.valueOffset = (entry.components == 1) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getLong(entry.valueOffset + i * 4, isBigEndian)); + break; + + case 0x0005: // unsigned rational, 8 byte per component (4 byte numerator and 4 byte denominator) + entry.valueOffset = data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getLong(entry.valueOffset + i * 8, isBigEndian) / data.getLong(entry.valueOffset + i * 8 + 4, isBigEndian)); + break; + + case 0x0006: // signed byte, 1 byte per component + entry.valueOffset = (entry.components <= 4) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getSignedByte(entry.valueOffset + i)); + break; + + case 0x0007: // undefined, 1 byte per component + entry.valueOffset = (entry.components <= 4) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + entry.value.push(data.slice(entry.valueOffset, entry.valueOffset + entry.components)); + break; + + case 0x0008: // signed short, 2 byte per component + entry.valueOffset = (entry.components <= 2) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getSignedShort(entry.valueOffset + i * 2, isBigEndian)); + break; + + case 0x0009: // signed long, 4 byte per component + entry.valueOffset = (entry.components == 1) ? entryOffset + 8 : data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getSignedLong(entry.valueOffset + i * 4, isBigEndian)); + break; + + case 0x000A: // signed rational, 8 byte per component (4 byte numerator and 4 byte denominator) + entry.valueOffset = data.getLong(entryOffset + 8, isBigEndian) + tiffOffset; + for (var i = 0; i < entry.components; i++) + entry.value.push(data.getSignedLong(entry.valueOffset + i * 8, isBigEndian) / data.getSignedLong(entry.valueOffset + i * 8 + 4, isBigEndian)); + break; + + default: + return false; + + } + + // If this is the Makernote tag save its offset for later use + if (entry.tagName === "MakerNote") { + this.offsets.makernoteOffset = entry.valueOffset; + } + + // If the value array has only one element we don't need an array + if (entry.value.length == 1) { + entry.value = entry.value[0]; + } + + return entry; +}; + +/** + * Comprehensive list of TIFF and Exif tags found on + * http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/EXIF.html + */ +ExifImage.TAGS = { + + // Exif tags + exif : { + + 0x0001 : "InteropIndex", + 0x0002 : "InteropVersion", + 0x000B : "ProcessingSoftware", + 0x00FE : "SubfileType", + 0x00FF : "OldSubfileType", + 0x0100 : "ImageWidth", + 0x0101 : "ImageHeight", + 0x0102 : "BitsPerSample", + 0x0103 : "Compression", + 0x0106 : "PhotometricInterpretation", + 0x0107 : "Thresholding", + 0x0108 : "CellWidth", + 0x0109 : "CellLength", + 0x010A : "FillOrder", + 0x010D : "DocumentName", + 0x010E : "ImageDescription", + 0x010F : "Make", + 0x0110 : "Model", + 0x0111 : "StripOffsets", + 0x0112 : "Orientation", + 0x0115 : "SamplesPerPixel", + 0x0116 : "RowsPerStrip", + 0x0117 : "StripByteCounts", + 0x0118 : "MinSampleValue", + 0x0119 : "MaxSampleValue", + 0x011A : "XResolution", + 0x011B : "YResolution", + 0x011C : "PlanarConfiguration", + 0x011D : "PageName", + 0x011E : "XPosition", + 0x011F : "YPosition", + 0x0120 : "FreeOffsets", + 0x0121 : "FreeByteCounts", + 0x0122 : "GrayResponseUnit", + 0x0123 : "GrayResponseCurve", + 0x0124 : "T4Options", + 0x0125 : "T6Options", + 0x0128 : "ResolutionUnit", + 0x0129 : "PageNumber", + 0x012C : "ColorResponseUnit", + 0x012D : "TransferFunction", + 0x0131 : "Software", + 0x0132 : "ModifyDate", + 0x013B : "Artist", + 0x013C : "HostComputer", + 0x013D : "Predictor", + 0x013E : "WhitePoint", + 0x013F : "PrimaryChromaticities", + 0x0140 : "ColorMap", + 0x0141 : "HalftoneHints", + 0x0142 : "TileWidth", + 0x0143 : "TileLength", + 0x0144 : "TileOffsets", + 0x0145 : "TileByteCounts", + 0x0146 : "BadFaxLines", + 0x0147 : "CleanFaxData", + 0x0148 : "ConsecutiveBadFaxLines", + 0x014A : "SubIFD", + 0x014C : "InkSet", + 0x014D : "InkNames", + 0x014E : "NumberofInks", + 0x0150 : "DotRange", + 0x0151 : "TargetPrinter", + 0x0152 : "ExtraSamples", + 0x0153 : "SampleFormat", + 0x0154 : "SMinSampleValue", + 0x0155 : "SMaxSampleValue", + 0x0156 : "TransferRange", + 0x0157 : "ClipPath", + 0x0158 : "XClipPathUnits", + 0x0159 : "YClipPathUnits", + 0x015A : "Indexed", + 0x015B : "JPEGTables", + 0x015F : "OPIProxy", + 0x0190 : "GlobalParametersIFD", + 0x0191 : "ProfileType", + 0x0192 : "FaxProfile", + 0x0193 : "CodingMethods", + 0x0194 : "VersionYear", + 0x0195 : "ModeNumber", + 0x01B1 : "Decode", + 0x01B2 : "DefaultImageColor", + 0x01B3 : "T82Options", + 0x01B5 : "JPEGTables", + 0x0200 : "JPEGProc", + 0x0201 : "ThumbnailOffset", + 0x0202 : "ThumbnailLength", + 0x0203 : "JPEGRestartInterval", + 0x0205 : "JPEGLosslessPredictors", + 0x0206 : "JPEGPointTransforms", + 0x0207 : "JPEGQTables", + 0x0208 : "JPEGDCTables", + 0x0209 : "JPEGACTables", + 0x0211 : "YCbCrCoefficients", + 0x0212 : "YCbCrSubSampling", + 0x0213 : "YCbCrPositioning", + 0x0214 : "ReferenceBlackWhite", + 0x022F : "StripRowCounts", + 0x02BC : "ApplicationNotes", + 0x03E7 : "USPTOMiscellaneous", + 0x1000 : "RelatedImageFileFormat", + 0x1001 : "RelatedImageWidth", + 0x1002 : "RelatedImageHeight", + 0x4746 : "Rating", + 0x4747 : "XP_DIP_XML", + 0x4748 : "StitchInfo", + 0x4749 : "RatingPercent", + 0x800D : "ImageID", + 0x80A3 : "WangTag1", + 0x80A4 : "WangAnnotation", + 0x80A5 : "WangTag3", + 0x80A6 : "WangTag4", + 0x80E3 : "Matteing", + 0x80E4 : "DataType", + 0x80E5 : "ImageDepth", + 0x80E6 : "TileDepth", + 0x827D : "Model2", + 0x828D : "CFARepeatPatternDim", + 0x828E : "CFAPattern2", + 0x828F : "BatteryLevel", + 0x8290 : "KodakIFD", + 0x8298 : "Copyright", + 0x829A : "ExposureTime", + 0x829D : "FNumber", + 0x82A5 : "MDFileTag", + 0x82A6 : "MDScalePixel", + 0x82A7 : "MDColorTable", + 0x82A8 : "MDLabName", + 0x82A9 : "MDSampleInfo", + 0x82AA : "MDPrepDate", + 0x82AB : "MDPrepTime", + 0x82AC : "MDFileUnits", + 0x830E : "PixelScale", + 0x8335 : "AdventScale", + 0x8336 : "AdventRevision", + 0x835C : "UIC1Tag", + 0x835D : "UIC2Tag", + 0x835E : "UIC3Tag", + 0x835F : "UIC4Tag", + 0x83BB : "IPTC-NAA", + 0x847E : "IntergraphPacketData", + 0x847F : "IntergraphFlagRegisters", + 0x8480 : "IntergraphMatrix", + 0x8481 : "INGRReserved", + 0x8482 : "ModelTiePoint", + 0x84E0 : "Site", + 0x84E1 : "ColorSequence", + 0x84E2 : "IT8Header", + 0x84E3 : "RasterPadding", + 0x84E4 : "BitsPerRunLength", + 0x84E5 : "BitsPerExtendedRunLength", + 0x84E6 : "ColorTable", + 0x84E7 : "ImageColorIndicator", + 0x84E8 : "BackgroundColorIndicator", + 0x84E9 : "ImageColorValue", + 0x84EA : "BackgroundColorValue", + 0x84EB : "PixelIntensityRange", + 0x84EC : "TransparencyIndicator", + 0x84ED : "ColorCharacterization", + 0x84EE : "HCUsage", + 0x84EF : "TrapIndicator", + 0x84F0 : "CMYKEquivalent", + 0x8546 : "SEMInfo", + 0x8568 : "AFCP_IPTC", + 0x85B8 : "PixelMagicJBIGOptions", + 0x85D8 : "ModelTransform", + 0x8602 : "WB_GRGBLevels", + 0x8606 : "LeafData", + 0x8649 : "PhotoshopSettings", + 0x8769 : "ExifOffset", + 0x8773 : "ICC_Profile", + 0x877F : "TIFF_FXExtensions", + 0x8780 : "MultiProfiles", + 0x8781 : "SharedData", + 0x8782 : "T88Options", + 0x87AC : "ImageLayer", + 0x87AF : "GeoTiffDirectory", + 0x87B0 : "GeoTiffDoubleParams", + 0x87B1 : "GeoTiffAsciiParams", + 0x8822 : "ExposureProgram", + 0x8824 : "SpectralSensitivity", + 0x8825 : "GPSInfo", + 0x8827 : "ISO", + 0x8828 : "Opto-ElectricConvFactor", + 0x8829 : "Interlace", + 0x882A : "TimeZoneOffset", + 0x882B : "SelfTimerMode", + 0x8830 : "SensitivityType", + 0x8831 : "StandardOutputSensitivity", + 0x8832 : "RecommendedExposureIndex", + 0x8833 : "ISOSpeed", + 0x8834 : "ISOSpeedLatitudeyyy", + 0x8835 : "ISOSpeedLatitudezzz", + 0x885C : "FaxRecvParams", + 0x885D : "FaxSubAddress", + 0x885E : "FaxRecvTime", + 0x888A : "LeafSubIFD", + 0x9000 : "ExifVersion", + 0x9003 : "DateTimeOriginal", + 0x9004 : "CreateDate", + 0x9101 : "ComponentsConfiguration", + 0x9102 : "CompressedBitsPerPixel", + 0x9201 : "ShutterSpeedValue", + 0x9202 : "ApertureValue", + 0x9203 : "BrightnessValue", + 0x9204 : "ExposureCompensation", + 0x9205 : "MaxApertureValue", + 0x9206 : "SubjectDistance", + 0x9207 : "MeteringMode", + 0x9208 : "LightSource", + 0x9209 : "Flash", + 0x920A : "FocalLength", + 0x920B : "FlashEnergy", + 0x920C : "SpatialFrequencyResponse", + 0x920D : "Noise", + 0x920E : "FocalPlaneXResolution", + 0x920F : "FocalPlaneYResolution", + 0x9210 : "FocalPlaneResolutionUnit", + 0x9211 : "ImageNumber", + 0x9212 : "SecurityClassification", + 0x9213 : "ImageHistory", + 0x9214 : "SubjectArea", + 0x9215 : "ExposureIndex", + 0x9216 : "TIFF-EPStandardID", + 0x9217 : "SensingMethod", + 0x923A : "CIP3DataFile", + 0x923B : "CIP3Sheet", + 0x923C : "CIP3Side", + 0x923F : "StoNits", + 0x927C : "MakerNote", + 0x9286 : "UserComment", + 0x9290 : "SubSecTime", + 0x9291 : "SubSecTimeOriginal", + 0x9292 : "SubSecTimeDigitized", + 0x932F : "MSDocumentText", + 0x9330 : "MSPropertySetStorage", + 0x9331 : "MSDocumentTextPosition", + 0x935C : "ImageSourceData", + 0x9C9B : "XPTitle", + 0x9C9C : "XPComment", + 0x9C9D : "XPAuthor", + 0x9C9E : "XPKeywords", + 0x9C9F : "XPSubject", + 0xA000 : "FlashpixVersion", + 0xA001 : "ColorSpace", + 0xA002 : "ExifImageWidth", + 0xA003 : "ExifImageHeight", + 0xA004 : "RelatedSoundFile", + 0xA005 : "InteropOffset", + 0xA20B : "FlashEnergy", + 0xA20C : "SpatialFrequencyResponse", + 0xA20D : "Noise", + 0xA20E : "FocalPlaneXResolution", + 0xA20F : "FocalPlaneYResolution", + 0xA210 : "FocalPlaneResolutionUnit", + 0xA211 : "ImageNumber", + 0xA212 : "SecurityClassification", + 0xA213 : "ImageHistory", + 0xA214 : "SubjectLocation", + 0xA215 : "ExposureIndex", + 0xA216 : "TIFF-EPStandardID", + 0xA217 : "SensingMethod", + 0xA300 : "FileSource", + 0xA301 : "SceneType", + 0xA302 : "CFAPattern", + 0xA401 : "CustomRendered", + 0xA402 : "ExposureMode", + 0xA403 : "WhiteBalance", + 0xA404 : "DigitalZoomRatio", + 0xA405 : "FocalLengthIn35mmFormat", + 0xA406 : "SceneCaptureType", + 0xA407 : "GainControl", + 0xA408 : "Contrast", + 0xA409 : "Saturation", + 0xA40A : "Sharpness", + 0xA40B : "DeviceSettingDescription", + 0xA40C : "SubjectDistanceRange", + 0xA420 : "ImageUniqueID", + 0xA430 : "OwnerName", + 0xA431 : "SerialNumber", + 0xA432 : "LensInfo", + 0xA433 : "LensMake", + 0xA434 : "LensModel", + 0xA435 : "LensSerialNumber", + 0xA480 : "GDALMetadata", + 0xA481 : "GDALNoData", + 0xA500 : "Gamma", + 0xAFC0 : "ExpandSoftware", + 0xAFC1 : "ExpandLens", + 0xAFC2 : "ExpandFilm", + 0xAFC3 : "ExpandFilterLens", + 0xAFC4 : "ExpandScanner", + 0xAFC5 : "ExpandFlashLamp", + 0xBC01 : "PixelFormat", + 0xBC02 : "Transformation", + 0xBC03 : "Uncompressed", + 0xBC04 : "ImageType", + 0xBC80 : "ImageWidth", + 0xBC81 : "ImageHeight", + 0xBC82 : "WidthResolution", + 0xBC83 : "HeightResolution", + 0xBCC0 : "ImageOffset", + 0xBCC1 : "ImageByteCount", + 0xBCC2 : "AlphaOffset", + 0xBCC3 : "AlphaByteCount", + 0xBCC4 : "ImageDataDiscard", + 0xBCC5 : "AlphaDataDiscard", + 0xC427 : "OceScanjobDesc", + 0xC428 : "OceApplicationSelector", + 0xC429 : "OceIDNumber", + 0xC42A : "OceImageLogic", + 0xC44F : "Annotations", + 0xC4A5 : "PrintIM", + 0xC580 : "USPTOOriginalContentType", + 0xC612 : "DNGVersion", + 0xC613 : "DNGBackwardVersion", + 0xC614 : "UniqueCameraModel", + 0xC615 : "LocalizedCameraModel", + 0xC616 : "CFAPlaneColor", + 0xC617 : "CFALayout", + 0xC618 : "LinearizationTable", + 0xC619 : "BlackLevelRepeatDim", + 0xC61A : "BlackLevel", + 0xC61B : "BlackLevelDeltaH", + 0xC61C : "BlackLevelDeltaV", + 0xC61D : "WhiteLevel", + 0xC61E : "DefaultScale", + 0xC61F : "DefaultCropOrigin", + 0xC620 : "DefaultCropSize", + 0xC621 : "ColorMatrix1", + 0xC622 : "ColorMatrix2", + 0xC623 : "CameraCalibration1", + 0xC624 : "CameraCalibration2", + 0xC625 : "ReductionMatrix1", + 0xC626 : "ReductionMatrix2", + 0xC627 : "AnalogBalance", + 0xC628 : "AsShotNeutral", + 0xC629 : "AsShotWhiteXY", + 0xC62A : "BaselineExposure", + 0xC62B : "BaselineNoise", + 0xC62C : "BaselineSharpness", + 0xC62D : "BayerGreenSplit", + 0xC62E : "LinearResponseLimit", + 0xC62F : "CameraSerialNumber", + 0xC630 : "DNGLensInfo", + 0xC631 : "ChromaBlurRadius", + 0xC632 : "AntiAliasStrength", + 0xC633 : "ShadowScale", + 0xC634 : "DNGPrivateData", + 0xC635 : "MakerNoteSafety", + 0xC640 : "RawImageSegmentation", + 0xC65A : "CalibrationIlluminant1", + 0xC65B : "CalibrationIlluminant2", + 0xC65C : "BestQualityScale", + 0xC65D : "RawDataUniqueID", + 0xC660 : "AliasLayerMetadata", + 0xC68B : "OriginalRawFileName", + 0xC68C : "OriginalRawFileData", + 0xC68D : "ActiveArea", + 0xC68E : "MaskedAreas", + 0xC68F : "AsShotICCProfile", + 0xC690 : "AsShotPreProfileMatrix", + 0xC691 : "CurrentICCProfile", + 0xC692 : "CurrentPreProfileMatrix", + 0xC6BF : "ColorimetricReference", + 0xC6D2 : "PanasonicTitle", + 0xC6D3 : "PanasonicTitle2", + 0xC6F3 : "CameraCalibrationSig", + 0xC6F4 : "ProfileCalibrationSig", + 0xC6F5 : "ProfileIFD", + 0xC6F6 : "AsShotProfileName", + 0xC6F7 : "NoiseReductionApplied", + 0xC6F8 : "ProfileName", + 0xC6F9 : "ProfileHueSatMapDims", + 0xC6FA : "ProfileHueSatMapData1", + 0xC6FB : "ProfileHueSatMapData2", + 0xC6FC : "ProfileToneCurve", + 0xC6FD : "ProfileEmbedPolicy", + 0xC6FE : "ProfileCopyright", + 0xC714 : "ForwardMatrix1", + 0xC715 : "ForwardMatrix2", + 0xC716 : "PreviewApplicationName", + 0xC717 : "PreviewApplicationVersion", + 0xC718 : "PreviewSettingsName", + 0xC719 : "PreviewSettingsDigest", + 0xC71A : "PreviewColorSpace", + 0xC71B : "PreviewDateTime", + 0xC71C : "RawImageDigest", + 0xC71D : "OriginalRawFileDigest", + 0xC71E : "SubTileBlockSize", + 0xC71F : "RowInterleaveFactor", + 0xC725 : "ProfileLookTableDims", + 0xC726 : "ProfileLookTableData", + 0xC740 : "OpcodeList1", + 0xC741 : "OpcodeList2", + 0xC74E : "OpcodeList3", + 0xC761 : "NoiseProfile", + 0xC763 : "TimeCodes", + 0xC764 : "FrameRate", + 0xC772 : "TStop", + 0xC789 : "ReelName", + 0xC791 : "OriginalDefaultFinalSize", + 0xC792 : "OriginalBestQualitySize", + 0xC793 : "OriginalDefaultCropSize", + 0xC7A1 : "CameraLabel", + 0xC7A3 : "ProfileHueSatMapEncoding", + 0xC7A4 : "ProfileLookTableEncoding", + 0xC7A5 : "BaselineExposureOffset", + 0xC7A6 : "DefaultBlackRender", + 0xC7A7 : "NewRawImageDigest", + 0xC7A8 : "RawToPreviewGain", + 0xC7B5 : "DefaultUserCrop", + 0xEA1C : "Padding", + 0xEA1D : "OffsetSchema", + 0xFDE8 : "OwnerName", + 0xFDE9 : "SerialNumber", + 0xFDEA : "Lens", + 0xFE00 : "KDC_IFD", + 0xFE4C : "RawFile", + 0xFE4D : "Converter", + 0xFE4E : "WhiteBalance", + 0xFE51 : "Exposure", + 0xFE52 : "Shadows", + 0xFE53 : "Brightness", + 0xFE54 : "Contrast", + 0xFE55 : "Saturation", + 0xFE56 : "Sharpness", + 0xFE57 : "Smoothness", + 0xFE58 : "MoireFilter" + + }, + + // GPS Tags + gps : { + + 0x0000 : 'GPSVersionID', + 0x0001 : 'GPSLatitudeRef', + 0x0002 : 'GPSLatitude', + 0x0003 : 'GPSLongitudeRef', + 0x0004 : 'GPSLongitude', + 0x0005 : 'GPSAltitudeRef', + 0x0006 : 'GPSAltitude', + 0x0007 : 'GPSTimeStamp', + 0x0008 : 'GPSSatellites', + 0x0009 : 'GPSStatus', + 0x000A : 'GPSMeasureMode', + 0x000B : 'GPSDOP', + 0x000C : 'GPSSpeedRef', + 0x000D : 'GPSSpeed', + 0x000E : 'GPSTrackRef', + 0x000F : 'GPSTrack', + 0x0010 : 'GPSImgDirectionRef', + 0x0011 : 'GPSImgDirection', + 0x0012 : 'GPSMapDatum', + 0x0013 : 'GPSDestLatitudeRef', + 0x0014 : 'GPSDestLatitude', + 0x0015 : 'GPSDestLongitudeRef', + 0x0016 : 'GPSDestLongitude', + 0x0017 : 'GPSDestBearingRef', + 0x0018 : 'GPSDestBearing', + 0x0019 : 'GPSDestDistanceRef', + 0x001A : 'GPSDestDistance', + 0x001B : 'GPSProcessingMethod', + 0x001C : 'GPSAreaInformation', + 0x001D : 'GPSDateStamp', + 0x001E : 'GPSDifferential', + 0x001F : 'GPSHPositioningError' + + } + +}; +}).call(this)}).call(this,require("buffer").Buffer,require("timers").setImmediate) +},{"./Buffer":18,"assert":3,"buffer":10,"debug":13,"fs":9,"timers":38,"util":41}],20:[function(require,module,exports){ +module.exports = require('./ExifImage'); +},{"./ExifImage":19}],21:[function(require,module,exports){ + +var hasOwn = Object.prototype.hasOwnProperty; +var toString = Object.prototype.toString; + +module.exports = function forEach (obj, fn, ctx) { + if (toString.call(fn) !== '[object Function]') { + throw new TypeError('iterator must be a function'); + } + var l = obj.length; + if (l === +l) { + for (var i = 0; i < l; i++) { + fn.call(ctx, obj[i], i, obj); + } + } else { + for (var k in obj) { + if (hasOwn.call(obj, k)) { + fn.call(ctx, obj[k], k, obj); + } + } + } +}; + + +},{}],22:[function(require,module,exports){ +'use strict'; + +/* eslint no-invalid-this: 1 */ + +var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; +var slice = Array.prototype.slice; +var toStr = Object.prototype.toString; +var funcType = '[object Function]'; + +module.exports = function bind(that) { + var target = this; + if (typeof target !== 'function' || toStr.call(target) !== funcType) { + throw new TypeError(ERROR_MESSAGE + target); + } + var args = slice.call(arguments, 1); + + var bound; + var binder = function () { + if (this instanceof bound) { + var result = target.apply( + this, + args.concat(slice.call(arguments)) + ); + if (Object(result) === result) { + return result; + } + return this; + } else { + return target.apply( + that, + args.concat(slice.call(arguments)) + ); + } + }; + + var boundLength = Math.max(0, target.length - args.length); + var boundArgs = []; + for (var i = 0; i < boundLength; i++) { + boundArgs.push('$' + i); + } + + bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder); + + if (target.prototype) { + var Empty = function Empty() {}; + Empty.prototype = target.prototype; + bound.prototype = new Empty(); + Empty.prototype = null; + } + + return bound; +}; + +},{}],23:[function(require,module,exports){ +'use strict'; + +var implementation = require('./implementation'); + +module.exports = Function.prototype.bind || implementation; + +},{"./implementation":22}],24:[function(require,module,exports){ +'use strict'; + +var undefined; + +var $SyntaxError = SyntaxError; +var $Function = Function; +var $TypeError = TypeError; + +// eslint-disable-next-line consistent-return +var getEvalledConstructor = function (expressionSyntax) { + try { + return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')(); + } catch (e) {} +}; + +var $gOPD = Object.getOwnPropertyDescriptor; +if ($gOPD) { + try { + $gOPD({}, ''); + } catch (e) { + $gOPD = null; // this is IE 8, which has a broken gOPD + } +} + +var throwTypeError = function () { + throw new $TypeError(); +}; +var ThrowTypeError = $gOPD + ? (function () { + try { + // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties + arguments.callee; // IE 8 does not throw here + return throwTypeError; + } catch (calleeThrows) { + try { + // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') + return $gOPD(arguments, 'callee').get; + } catch (gOPDthrows) { + return throwTypeError; + } + } + }()) + : throwTypeError; + +var hasSymbols = require('has-symbols')(); + +var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto + +var needsEval = {}; + +var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); + +var INTRINSICS = { + '%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError, + '%Array%': Array, + '%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, + '%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, + '%AsyncFromSyncIteratorPrototype%': undefined, + '%AsyncFunction%': needsEval, + '%AsyncGenerator%': needsEval, + '%AsyncGeneratorFunction%': needsEval, + '%AsyncIteratorPrototype%': needsEval, + '%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, + '%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt, + '%Boolean%': Boolean, + '%DataView%': typeof DataView === 'undefined' ? undefined : DataView, + '%Date%': Date, + '%decodeURI%': decodeURI, + '%decodeURIComponent%': decodeURIComponent, + '%encodeURI%': encodeURI, + '%encodeURIComponent%': encodeURIComponent, + '%Error%': Error, + '%eval%': eval, // eslint-disable-line no-eval + '%EvalError%': EvalError, + '%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, + '%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, + '%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry, + '%Function%': $Function, + '%GeneratorFunction%': needsEval, + '%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, + '%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, + '%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, + '%isFinite%': isFinite, + '%isNaN%': isNaN, + '%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, + '%JSON%': typeof JSON === 'object' ? JSON : undefined, + '%Map%': typeof Map === 'undefined' ? undefined : Map, + '%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), + '%Math%': Math, + '%Number%': Number, + '%Object%': Object, + '%parseFloat%': parseFloat, + '%parseInt%': parseInt, + '%Promise%': typeof Promise === 'undefined' ? undefined : Promise, + '%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, + '%RangeError%': RangeError, + '%ReferenceError%': ReferenceError, + '%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, + '%RegExp%': RegExp, + '%Set%': typeof Set === 'undefined' ? undefined : Set, + '%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), + '%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, + '%String%': String, + '%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, + '%Symbol%': hasSymbols ? Symbol : undefined, + '%SyntaxError%': $SyntaxError, + '%ThrowTypeError%': ThrowTypeError, + '%TypedArray%': TypedArray, + '%TypeError%': $TypeError, + '%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, + '%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, + '%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, + '%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, + '%URIError%': URIError, + '%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, + '%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef, + '%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet +}; + +var doEval = function doEval(name) { + var value; + if (name === '%AsyncFunction%') { + value = getEvalledConstructor('async function () {}'); + } else if (name === '%GeneratorFunction%') { + value = getEvalledConstructor('function* () {}'); + } else if (name === '%AsyncGeneratorFunction%') { + value = getEvalledConstructor('async function* () {}'); + } else if (name === '%AsyncGenerator%') { + var fn = doEval('%AsyncGeneratorFunction%'); + if (fn) { + value = fn.prototype; + } + } else if (name === '%AsyncIteratorPrototype%') { + var gen = doEval('%AsyncGenerator%'); + if (gen) { + value = getProto(gen.prototype); + } + } + + INTRINSICS[name] = value; + + return value; +}; + +var LEGACY_ALIASES = { + '%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'], + '%ArrayPrototype%': ['Array', 'prototype'], + '%ArrayProto_entries%': ['Array', 'prototype', 'entries'], + '%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'], + '%ArrayProto_keys%': ['Array', 'prototype', 'keys'], + '%ArrayProto_values%': ['Array', 'prototype', 'values'], + '%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'], + '%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'], + '%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'], + '%BooleanPrototype%': ['Boolean', 'prototype'], + '%DataViewPrototype%': ['DataView', 'prototype'], + '%DatePrototype%': ['Date', 'prototype'], + '%ErrorPrototype%': ['Error', 'prototype'], + '%EvalErrorPrototype%': ['EvalError', 'prototype'], + '%Float32ArrayPrototype%': ['Float32Array', 'prototype'], + '%Float64ArrayPrototype%': ['Float64Array', 'prototype'], + '%FunctionPrototype%': ['Function', 'prototype'], + '%Generator%': ['GeneratorFunction', 'prototype'], + '%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'], + '%Int8ArrayPrototype%': ['Int8Array', 'prototype'], + '%Int16ArrayPrototype%': ['Int16Array', 'prototype'], + '%Int32ArrayPrototype%': ['Int32Array', 'prototype'], + '%JSONParse%': ['JSON', 'parse'], + '%JSONStringify%': ['JSON', 'stringify'], + '%MapPrototype%': ['Map', 'prototype'], + '%NumberPrototype%': ['Number', 'prototype'], + '%ObjectPrototype%': ['Object', 'prototype'], + '%ObjProto_toString%': ['Object', 'prototype', 'toString'], + '%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'], + '%PromisePrototype%': ['Promise', 'prototype'], + '%PromiseProto_then%': ['Promise', 'prototype', 'then'], + '%Promise_all%': ['Promise', 'all'], + '%Promise_reject%': ['Promise', 'reject'], + '%Promise_resolve%': ['Promise', 'resolve'], + '%RangeErrorPrototype%': ['RangeError', 'prototype'], + '%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'], + '%RegExpPrototype%': ['RegExp', 'prototype'], + '%SetPrototype%': ['Set', 'prototype'], + '%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'], + '%StringPrototype%': ['String', 'prototype'], + '%SymbolPrototype%': ['Symbol', 'prototype'], + '%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'], + '%TypedArrayPrototype%': ['TypedArray', 'prototype'], + '%TypeErrorPrototype%': ['TypeError', 'prototype'], + '%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'], + '%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'], + '%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'], + '%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'], + '%URIErrorPrototype%': ['URIError', 'prototype'], + '%WeakMapPrototype%': ['WeakMap', 'prototype'], + '%WeakSetPrototype%': ['WeakSet', 'prototype'] +}; + +var bind = require('function-bind'); +var hasOwn = require('has'); +var $concat = bind.call(Function.call, Array.prototype.concat); +var $spliceApply = bind.call(Function.apply, Array.prototype.splice); +var $replace = bind.call(Function.call, String.prototype.replace); +var $strSlice = bind.call(Function.call, String.prototype.slice); + +/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ +var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; +var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ +var stringToPath = function stringToPath(string) { + var first = $strSlice(string, 0, 1); + var last = $strSlice(string, -1); + if (first === '%' && last !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`'); + } else if (last === '%' && first !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`'); + } + var result = []; + $replace(string, rePropName, function (match, number, quote, subString) { + result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match; + }); + return result; +}; +/* end adaptation */ + +var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { + var intrinsicName = name; + var alias; + if (hasOwn(LEGACY_ALIASES, intrinsicName)) { + alias = LEGACY_ALIASES[intrinsicName]; + intrinsicName = '%' + alias[0] + '%'; + } + + if (hasOwn(INTRINSICS, intrinsicName)) { + var value = INTRINSICS[intrinsicName]; + if (value === needsEval) { + value = doEval(intrinsicName); + } + if (typeof value === 'undefined' && !allowMissing) { + throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); + } + + return { + alias: alias, + name: intrinsicName, + value: value + }; + } + + throw new $SyntaxError('intrinsic ' + name + ' does not exist!'); +}; + +module.exports = function GetIntrinsic(name, allowMissing) { + if (typeof name !== 'string' || name.length === 0) { + throw new $TypeError('intrinsic name must be a non-empty string'); + } + if (arguments.length > 1 && typeof allowMissing !== 'boolean') { + throw new $TypeError('"allowMissing" argument must be a boolean'); + } + + var parts = stringToPath(name); + var intrinsicBaseName = parts.length > 0 ? parts[0] : ''; + + var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing); + var intrinsicRealName = intrinsic.name; + var value = intrinsic.value; + var skipFurtherCaching = false; + + var alias = intrinsic.alias; + if (alias) { + intrinsicBaseName = alias[0]; + $spliceApply(parts, $concat([0, 1], alias)); + } + + for (var i = 1, isOwn = true; i < parts.length; i += 1) { + var part = parts[i]; + var first = $strSlice(part, 0, 1); + var last = $strSlice(part, -1); + if ( + ( + (first === '"' || first === "'" || first === '`') + || (last === '"' || last === "'" || last === '`') + ) + && first !== last + ) { + throw new $SyntaxError('property names with quotes must have matching quotes'); + } + if (part === 'constructor' || !isOwn) { + skipFurtherCaching = true; + } + + intrinsicBaseName += '.' + part; + intrinsicRealName = '%' + intrinsicBaseName + '%'; + + if (hasOwn(INTRINSICS, intrinsicRealName)) { + value = INTRINSICS[intrinsicRealName]; + } else if (value != null) { + if (!(part in value)) { + if (!allowMissing) { + throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.'); + } + return void undefined; + } + if ($gOPD && (i + 1) >= parts.length) { + var desc = $gOPD(value, part); + isOwn = !!desc; + + // By convention, when a data property is converted to an accessor + // property to emulate a data property that does not suffer from + // the override mistake, that accessor's getter is marked with + // an `originalValue` property. Here, when we detect this, we + // uphold the illusion by pretending to see that original data + // property, i.e., returning the value rather than the getter + // itself. + if (isOwn && 'get' in desc && !('originalValue' in desc.get)) { + value = desc.get; + } else { + value = value[part]; + } + } else { + isOwn = hasOwn(value, part); + value = value[part]; + } + + if (isOwn && !skipFurtherCaching) { + INTRINSICS[intrinsicRealName] = value; + } + } + } + return value; +}; + +},{"function-bind":23,"has":27,"has-symbols":25}],25:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var origSymbol = global.Symbol; +var hasSymbolSham = require('./shams'); + +module.exports = function hasNativeSymbols() { + if (typeof origSymbol !== 'function') { return false; } + if (typeof Symbol !== 'function') { return false; } + if (typeof origSymbol('foo') !== 'symbol') { return false; } + if (typeof Symbol('bar') !== 'symbol') { return false; } + + return hasSymbolSham(); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"./shams":26}],26:[function(require,module,exports){ +'use strict'; + +/* eslint complexity: [2, 18], max-statements: [2, 33] */ +module.exports = function hasSymbols() { + if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } + if (typeof Symbol.iterator === 'symbol') { return true; } + + var obj = {}; + var sym = Symbol('test'); + var symObj = Object(sym); + if (typeof sym === 'string') { return false; } + + if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } + if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } + + // temp disabled per https://github.com/ljharb/object.assign/issues/17 + // if (sym instanceof Symbol) { return false; } + // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 + // if (!(symObj instanceof Symbol)) { return false; } + + // if (typeof Symbol.prototype.toString !== 'function') { return false; } + // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } + + var symVal = 42; + obj[sym] = symVal; + for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax + if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } + + if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } + + var syms = Object.getOwnPropertySymbols(obj); + if (syms.length !== 1 || syms[0] !== sym) { return false; } + + if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } + + if (typeof Object.getOwnPropertyDescriptor === 'function') { + var descriptor = Object.getOwnPropertyDescriptor(obj, sym); + if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } + } + + return true; +}; + +},{}],27:[function(require,module,exports){ +'use strict'; + +var bind = require('function-bind'); + +module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty); + +},{"function-bind":23}],28:[function(require,module,exports){ +/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ +exports.read = function (buffer, offset, isLE, mLen, nBytes) { + var e, m + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var nBits = -7 + var i = isLE ? (nBytes - 1) : 0 + var d = isLE ? -1 : 1 + var s = buffer[offset + i] + + i += d + + e = s & ((1 << (-nBits)) - 1) + s >>= (-nBits) + nBits += eLen + for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1) + e >>= (-nBits) + nBits += mLen + for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen) + e = e - eBias + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) +} + +exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) + var i = isLE ? 0 : (nBytes - 1) + var d = isLE ? 1 : -1 + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 + + value = Math.abs(value) + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0 + e = eMax + } else { + e = Math.floor(Math.log(value) / Math.LN2) + if (value * (c = Math.pow(2, -e)) < 1) { + e-- + c *= 2 + } + if (e + eBias >= 1) { + value += rt / c + } else { + value += rt * Math.pow(2, 1 - eBias) + } + if (value * c >= 2) { + e++ + c /= 2 + } + + if (e + eBias >= eMax) { + m = 0 + e = eMax + } else if (e + eBias >= 1) { + m = ((value * c) - 1) * Math.pow(2, mLen) + e = e + eBias + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) + e = 0 + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m + eLen += mLen + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128 +} + +},{}],29:[function(require,module,exports){ +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + if (superCtor) { + ctor.super_ = superCtor + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }) + } + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + if (superCtor) { + ctor.super_ = superCtor + var TempCtor = function () {} + TempCtor.prototype = superCtor.prototype + ctor.prototype = new TempCtor() + ctor.prototype.constructor = ctor + } + } +} + +},{}],30:[function(require,module,exports){ +'use strict'; + +var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; +var callBound = require('call-bind/callBound'); + +var $toString = callBound('Object.prototype.toString'); + +var isStandardArguments = function isArguments(value) { + if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) { + return false; + } + return $toString(value) === '[object Arguments]'; +}; + +var isLegacyArguments = function isArguments(value) { + if (isStandardArguments(value)) { + return true; + } + return value !== null && + typeof value === 'object' && + typeof value.length === 'number' && + value.length >= 0 && + $toString(value) !== '[object Array]' && + $toString(value.callee) === '[object Function]'; +}; + +var supportsStandardArguments = (function () { + return isStandardArguments(arguments); +}()); + +isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests + +module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments; + +},{"call-bind/callBound":11}],31:[function(require,module,exports){ +'use strict'; + +var toStr = Object.prototype.toString; +var fnToStr = Function.prototype.toString; +var isFnRegex = /^\s*(?:function)?\*/; +var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; +var getProto = Object.getPrototypeOf; +var getGeneratorFunc = function () { // eslint-disable-line consistent-return + if (!hasToStringTag) { + return false; + } + try { + return Function('return function*() {}')(); + } catch (e) { + } +}; +var generatorFunc = getGeneratorFunc(); +var GeneratorFunction = getProto && generatorFunc ? getProto(generatorFunc) : false; + +module.exports = function isGeneratorFunction(fn) { + if (typeof fn !== 'function') { + return false; + } + if (isFnRegex.test(fnToStr.call(fn))) { + return true; + } + if (!hasToStringTag) { + var str = toStr.call(fn); + return str === '[object GeneratorFunction]'; + } + return getProto && getProto(fn) === GeneratorFunction; +}; + +},{}],32:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var forEach = require('foreach'); +var availableTypedArrays = require('available-typed-arrays'); +var callBound = require('call-bind/callBound'); + +var $toString = callBound('Object.prototype.toString'); +var hasSymbols = require('has-symbols')(); +var hasToStringTag = hasSymbols && typeof Symbol.toStringTag === 'symbol'; + +var typedArrays = availableTypedArrays(); + +var $indexOf = callBound('Array.prototype.indexOf', true) || function indexOf(array, value) { + for (var i = 0; i < array.length; i += 1) { + if (array[i] === value) { + return i; + } + } + return -1; +}; +var $slice = callBound('String.prototype.slice'); +var toStrTags = {}; +var gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor'); +var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); +if (hasToStringTag && gOPD && getPrototypeOf) { + forEach(typedArrays, function (typedArray) { + var arr = new global[typedArray](); + if (!(Symbol.toStringTag in arr)) { + throw new EvalError('this engine has support for Symbol.toStringTag, but ' + typedArray + ' does not have the property! Please report this.'); + } + var proto = getPrototypeOf(arr); + var descriptor = gOPD(proto, Symbol.toStringTag); + if (!descriptor) { + var superProto = getPrototypeOf(proto); + descriptor = gOPD(superProto, Symbol.toStringTag); + } + toStrTags[typedArray] = descriptor.get; + }); +} + +var tryTypedArrays = function tryAllTypedArrays(value) { + var anyTrue = false; + forEach(toStrTags, function (getter, typedArray) { + if (!anyTrue) { + try { + anyTrue = getter.call(value) === typedArray; + } catch (e) { /**/ } + } + }); + return anyTrue; +}; + +module.exports = function isTypedArray(value) { + if (!value || typeof value !== 'object') { return false; } + if (!hasToStringTag) { + var tag = $slice($toString(value), 8, -1); + return $indexOf(typedArrays, tag) > -1; + } + if (!gOPD) { return false; } + return tryTypedArrays(value); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"available-typed-arrays":7,"call-bind/callBound":11,"es-abstract/helpers/getOwnPropertyDescriptor":16,"foreach":21,"has-symbols":25}],33:[function(require,module,exports){ +/** + * Helpers. + */ + +var s = 1000; +var m = s * 60; +var h = m * 60; +var d = h * 24; +var y = d * 365.25; + +/** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + +module.exports = function(val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse(val); + } else if (type === 'number' && isNaN(val) === false) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); +}; + +/** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + +function parse(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } +} + +/** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtShort(ms) { + if (ms >= d) { + return Math.round(ms / d) + 'd'; + } + if (ms >= h) { + return Math.round(ms / h) + 'h'; + } + if (ms >= m) { + return Math.round(ms / m) + 'm'; + } + if (ms >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; +} + +/** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtLong(ms) { + return plural(ms, d, 'day') || + plural(ms, h, 'hour') || + plural(ms, m, 'minute') || + plural(ms, s, 'second') || + ms + ' ms'; +} + +/** + * Pluralization helper. + */ + +function plural(ms, n, name) { + if (ms < n) { + return; + } + if (ms < n * 1.5) { + return Math.floor(ms / n) + ' ' + name; + } + return Math.ceil(ms / n) + ' ' + name + 's'; +} + +},{}],34:[function(require,module,exports){ +/* +object-assign +(c) Sindre Sorhus +@license MIT +*/ + +'use strict'; +/* eslint-disable no-unused-vars */ +var getOwnPropertySymbols = Object.getOwnPropertySymbols; +var hasOwnProperty = Object.prototype.hasOwnProperty; +var propIsEnumerable = Object.prototype.propertyIsEnumerable; + +function toObject(val) { + if (val === null || val === undefined) { + throw new TypeError('Object.assign cannot be called with null or undefined'); + } + + return Object(val); +} + +function shouldUseNative() { + try { + if (!Object.assign) { + return false; + } + + // Detect buggy property enumeration order in older V8 versions. + + // https://bugs.chromium.org/p/v8/issues/detail?id=4118 + var test1 = new String('abc'); // eslint-disable-line no-new-wrappers + test1[5] = 'de'; + if (Object.getOwnPropertyNames(test1)[0] === '5') { + return false; + } + + // https://bugs.chromium.org/p/v8/issues/detail?id=3056 + var test2 = {}; + for (var i = 0; i < 10; i++) { + test2['_' + String.fromCharCode(i)] = i; + } + var order2 = Object.getOwnPropertyNames(test2).map(function (n) { + return test2[n]; + }); + if (order2.join('') !== '0123456789') { + return false; + } + + // https://bugs.chromium.org/p/v8/issues/detail?id=3056 + var test3 = {}; + 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { + test3[letter] = letter; + }); + if (Object.keys(Object.assign({}, test3)).join('') !== + 'abcdefghijklmnopqrst') { + return false; + } + + return true; + } catch (err) { + // We don't expect any of the above to throw, but better to be safe. + return false; + } +} + +module.exports = shouldUseNative() ? Object.assign : function (target, source) { + var from; + var to = toObject(target); + var symbols; + + for (var s = 1; s < arguments.length; s++) { + from = Object(arguments[s]); + + for (var key in from) { + if (hasOwnProperty.call(from, key)) { + to[key] = from[key]; + } + } + + if (getOwnPropertySymbols) { + symbols = getOwnPropertySymbols(from); + for (var i = 0; i < symbols.length; i++) { + if (propIsEnumerable.call(from, symbols[i])) { + to[symbols[i]] = from[symbols[i]]; + } + } + } + } + + return to; +}; + +},{}],35:[function(require,module,exports){ +// shim for using process in browser +var process = module.exports = {}; + +// cached from whatever global is present so that test runners that stub it +// don't break things. But we need to wrap it in a try catch in case it is +// wrapped in strict mode code which doesn't define any globals. It's inside a +// function because try/catches deoptimize in certain engines. + +var cachedSetTimeout; +var cachedClearTimeout; + +function defaultSetTimout() { + throw new Error('setTimeout has not been defined'); +} +function defaultClearTimeout () { + throw new Error('clearTimeout has not been defined'); +} +(function () { + try { + if (typeof setTimeout === 'function') { + cachedSetTimeout = setTimeout; + } else { + cachedSetTimeout = defaultSetTimout; + } + } catch (e) { + cachedSetTimeout = defaultSetTimout; + } + try { + if (typeof clearTimeout === 'function') { + cachedClearTimeout = clearTimeout; + } else { + cachedClearTimeout = defaultClearTimeout; + } + } catch (e) { + cachedClearTimeout = defaultClearTimeout; + } +} ()) +function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + //normal enviroments in sane situations + return setTimeout(fun, 0); + } + // if setTimeout wasn't available but was latter defined + if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { + cachedSetTimeout = setTimeout; + return setTimeout(fun, 0); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedSetTimeout(fun, 0); + } catch(e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedSetTimeout.call(null, fun, 0); + } catch(e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error + return cachedSetTimeout.call(this, fun, 0); + } + } + + +} +function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + //normal enviroments in sane situations + return clearTimeout(marker); + } + // if clearTimeout wasn't available but was latter defined + if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { + cachedClearTimeout = clearTimeout; + return clearTimeout(marker); + } + try { + // when when somebody has screwed with setTimeout but no I.E. maddness + return cachedClearTimeout(marker); + } catch (e){ + try { + // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally + return cachedClearTimeout.call(null, marker); + } catch (e){ + // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. + // Some versions of I.E. have different rules for clearTimeout vs setTimeout + return cachedClearTimeout.call(this, marker); + } + } + + + +} +var queue = []; +var draining = false; +var currentQueue; +var queueIndex = -1; + +function cleanUpNextTick() { + if (!draining || !currentQueue) { + return; + } + draining = false; + if (currentQueue.length) { + queue = currentQueue.concat(queue); + } else { + queueIndex = -1; + } + if (queue.length) { + drainQueue(); + } +} + +function drainQueue() { + if (draining) { + return; + } + var timeout = runTimeout(cleanUpNextTick); + draining = true; + + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + while (++queueIndex < len) { + if (currentQueue) { + currentQueue[queueIndex].run(); + } + } + queueIndex = -1; + len = queue.length; + } + currentQueue = null; + draining = false; + runClearTimeout(timeout); +} + +process.nextTick = function (fun) { + var args = new Array(arguments.length - 1); + if (arguments.length > 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; + +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; + +process.listeners = function (name) { return [] } + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],36:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.default = void 0; +var save_file_1 = require("./save-file"); +Object.defineProperty(exports, "default", { enumerable: true, get: function () { return save_file_1.default; } }); + +},{"./save-file":37}],37:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var GC_TIMEOUT = 1000 * 60; // 1 min +/** + * Save a file from Blob or object url + * We achieve this by using the HTML5 download attr of . + * Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#Browser_compatibility + * for browser compatibility. + * + * @param data + * @param filename + * @param gcTimeout - When to remove the data uri + */ +function saveFile(data, filename, gcTimeout) { + if (gcTimeout === void 0) { gcTimeout = GC_TIMEOUT; } + var isBlob = data instanceof Blob; + var url = isBlob ? URL.createObjectURL(data) : data; + var a = document.createElement('a'); + a.href = url; + a.download = filename; + var click = new MouseEvent('click'); + // Push the download operation on the next tick + requestAnimationFrame(function () { + a.dispatchEvent(click); + }); + // Revoke the object url later in time + // when the download of the file is completed (or so we assume) + if (isBlob) { + setTimeout(function () { + URL.revokeObjectURL(url); + }, gcTimeout); + } +} +exports.default = saveFile; + +},{}],38:[function(require,module,exports){ +(function (setImmediate,clearImmediate){(function (){ +var nextTick = require('process/browser.js').nextTick; +var apply = Function.prototype.apply; +var slice = Array.prototype.slice; +var immediateIds = {}; +var nextImmediateId = 0; + +// DOM APIs, for completeness + +exports.setTimeout = function() { + return new Timeout(apply.call(setTimeout, window, arguments), clearTimeout); +}; +exports.setInterval = function() { + return new Timeout(apply.call(setInterval, window, arguments), clearInterval); +}; +exports.clearTimeout = +exports.clearInterval = function(timeout) { timeout.close(); }; + +function Timeout(id, clearFn) { + this._id = id; + this._clearFn = clearFn; +} +Timeout.prototype.unref = Timeout.prototype.ref = function() {}; +Timeout.prototype.close = function() { + this._clearFn.call(window, this._id); +}; + +// Does not start the time, just sets up the members needed. +exports.enroll = function(item, msecs) { + clearTimeout(item._idleTimeoutId); + item._idleTimeout = msecs; +}; + +exports.unenroll = function(item) { + clearTimeout(item._idleTimeoutId); + item._idleTimeout = -1; +}; + +exports._unrefActive = exports.active = function(item) { + clearTimeout(item._idleTimeoutId); + + var msecs = item._idleTimeout; + if (msecs >= 0) { + item._idleTimeoutId = setTimeout(function onTimeout() { + if (item._onTimeout) + item._onTimeout(); + }, msecs); + } +}; + +// That's not how node.js implements it but the exposed api is the same. +exports.setImmediate = typeof setImmediate === "function" ? setImmediate : function(fn) { + var id = nextImmediateId++; + var args = arguments.length < 2 ? false : slice.call(arguments, 1); + + immediateIds[id] = true; + + nextTick(function onNextTick() { + if (immediateIds[id]) { + // fn.call() is faster so we optimize for the common use-case + // @see http://jsperf.com/call-apply-segu + if (args) { + fn.apply(null, args); + } else { + fn.call(null); + } + // Prevent ids from leaking + exports.clearImmediate(id); + } + }); + + return id; +}; + +exports.clearImmediate = typeof clearImmediate === "function" ? clearImmediate : function(id) { + delete immediateIds[id]; +}; +}).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate) +},{"process/browser.js":35,"timers":38}],39:[function(require,module,exports){ +arguments[4][5][0].apply(exports,arguments) +},{"dup":5}],40:[function(require,module,exports){ +// Currently in sync with Node.js lib/internal/util/types.js +// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9 + +'use strict'; + +var isArgumentsObject = require('is-arguments'); +var isGeneratorFunction = require('is-generator-function'); +var whichTypedArray = require('which-typed-array'); +var isTypedArray = require('is-typed-array'); + +function uncurryThis(f) { + return f.call.bind(f); +} + +var BigIntSupported = typeof BigInt !== 'undefined'; +var SymbolSupported = typeof Symbol !== 'undefined'; + +var ObjectToString = uncurryThis(Object.prototype.toString); + +var numberValue = uncurryThis(Number.prototype.valueOf); +var stringValue = uncurryThis(String.prototype.valueOf); +var booleanValue = uncurryThis(Boolean.prototype.valueOf); + +if (BigIntSupported) { + var bigIntValue = uncurryThis(BigInt.prototype.valueOf); +} + +if (SymbolSupported) { + var symbolValue = uncurryThis(Symbol.prototype.valueOf); +} + +function checkBoxedPrimitive(value, prototypeValueOf) { + if (typeof value !== 'object') { + return false; + } + try { + prototypeValueOf(value); + return true; + } catch(e) { + return false; + } +} + +exports.isArgumentsObject = isArgumentsObject; +exports.isGeneratorFunction = isGeneratorFunction; +exports.isTypedArray = isTypedArray; + +// Taken from here and modified for better browser support +// https://github.com/sindresorhus/p-is-promise/blob/cda35a513bda03f977ad5cde3a079d237e82d7ef/index.js +function isPromise(input) { + return ( + ( + typeof Promise !== 'undefined' && + input instanceof Promise + ) || + ( + input !== null && + typeof input === 'object' && + typeof input.then === 'function' && + typeof input.catch === 'function' + ) + ); +} +exports.isPromise = isPromise; + +function isArrayBufferView(value) { + if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) { + return ArrayBuffer.isView(value); + } + + return ( + isTypedArray(value) || + isDataView(value) + ); +} +exports.isArrayBufferView = isArrayBufferView; + + +function isUint8Array(value) { + return whichTypedArray(value) === 'Uint8Array'; +} +exports.isUint8Array = isUint8Array; + +function isUint8ClampedArray(value) { + return whichTypedArray(value) === 'Uint8ClampedArray'; +} +exports.isUint8ClampedArray = isUint8ClampedArray; + +function isUint16Array(value) { + return whichTypedArray(value) === 'Uint16Array'; +} +exports.isUint16Array = isUint16Array; + +function isUint32Array(value) { + return whichTypedArray(value) === 'Uint32Array'; +} +exports.isUint32Array = isUint32Array; + +function isInt8Array(value) { + return whichTypedArray(value) === 'Int8Array'; +} +exports.isInt8Array = isInt8Array; + +function isInt16Array(value) { + return whichTypedArray(value) === 'Int16Array'; +} +exports.isInt16Array = isInt16Array; + +function isInt32Array(value) { + return whichTypedArray(value) === 'Int32Array'; +} +exports.isInt32Array = isInt32Array; + +function isFloat32Array(value) { + return whichTypedArray(value) === 'Float32Array'; +} +exports.isFloat32Array = isFloat32Array; + +function isFloat64Array(value) { + return whichTypedArray(value) === 'Float64Array'; +} +exports.isFloat64Array = isFloat64Array; + +function isBigInt64Array(value) { + return whichTypedArray(value) === 'BigInt64Array'; +} +exports.isBigInt64Array = isBigInt64Array; + +function isBigUint64Array(value) { + return whichTypedArray(value) === 'BigUint64Array'; +} +exports.isBigUint64Array = isBigUint64Array; + +function isMapToString(value) { + return ObjectToString(value) === '[object Map]'; +} +isMapToString.working = ( + typeof Map !== 'undefined' && + isMapToString(new Map()) +); + +function isMap(value) { + if (typeof Map === 'undefined') { + return false; + } + + return isMapToString.working + ? isMapToString(value) + : value instanceof Map; +} +exports.isMap = isMap; + +function isSetToString(value) { + return ObjectToString(value) === '[object Set]'; +} +isSetToString.working = ( + typeof Set !== 'undefined' && + isSetToString(new Set()) +); +function isSet(value) { + if (typeof Set === 'undefined') { + return false; + } + + return isSetToString.working + ? isSetToString(value) + : value instanceof Set; +} +exports.isSet = isSet; + +function isWeakMapToString(value) { + return ObjectToString(value) === '[object WeakMap]'; +} +isWeakMapToString.working = ( + typeof WeakMap !== 'undefined' && + isWeakMapToString(new WeakMap()) +); +function isWeakMap(value) { + if (typeof WeakMap === 'undefined') { + return false; + } + + return isWeakMapToString.working + ? isWeakMapToString(value) + : value instanceof WeakMap; +} +exports.isWeakMap = isWeakMap; + +function isWeakSetToString(value) { + return ObjectToString(value) === '[object WeakSet]'; +} +isWeakSetToString.working = ( + typeof WeakSet !== 'undefined' && + isWeakSetToString(new WeakSet()) +); +function isWeakSet(value) { + return isWeakSetToString(value); +} +exports.isWeakSet = isWeakSet; + +function isArrayBufferToString(value) { + return ObjectToString(value) === '[object ArrayBuffer]'; +} +isArrayBufferToString.working = ( + typeof ArrayBuffer !== 'undefined' && + isArrayBufferToString(new ArrayBuffer()) +); +function isArrayBuffer(value) { + if (typeof ArrayBuffer === 'undefined') { + return false; + } + + return isArrayBufferToString.working + ? isArrayBufferToString(value) + : value instanceof ArrayBuffer; +} +exports.isArrayBuffer = isArrayBuffer; + +function isDataViewToString(value) { + return ObjectToString(value) === '[object DataView]'; +} +isDataViewToString.working = ( + typeof ArrayBuffer !== 'undefined' && + typeof DataView !== 'undefined' && + isDataViewToString(new DataView(new ArrayBuffer(1), 0, 1)) +); +function isDataView(value) { + if (typeof DataView === 'undefined') { + return false; + } + + return isDataViewToString.working + ? isDataViewToString(value) + : value instanceof DataView; +} +exports.isDataView = isDataView; + +function isSharedArrayBufferToString(value) { + return ObjectToString(value) === '[object SharedArrayBuffer]'; +} +isSharedArrayBufferToString.working = ( + typeof SharedArrayBuffer !== 'undefined' && + isSharedArrayBufferToString(new SharedArrayBuffer()) +); +function isSharedArrayBuffer(value) { + if (typeof SharedArrayBuffer === 'undefined') { + return false; + } + + return isSharedArrayBufferToString.working + ? isSharedArrayBufferToString(value) + : value instanceof SharedArrayBuffer; +} +exports.isSharedArrayBuffer = isSharedArrayBuffer; + +function isAsyncFunction(value) { + return ObjectToString(value) === '[object AsyncFunction]'; +} +exports.isAsyncFunction = isAsyncFunction; + +function isMapIterator(value) { + return ObjectToString(value) === '[object Map Iterator]'; +} +exports.isMapIterator = isMapIterator; + +function isSetIterator(value) { + return ObjectToString(value) === '[object Set Iterator]'; +} +exports.isSetIterator = isSetIterator; + +function isGeneratorObject(value) { + return ObjectToString(value) === '[object Generator]'; +} +exports.isGeneratorObject = isGeneratorObject; + +function isWebAssemblyCompiledModule(value) { + return ObjectToString(value) === '[object WebAssembly.Module]'; +} +exports.isWebAssemblyCompiledModule = isWebAssemblyCompiledModule; + +function isNumberObject(value) { + return checkBoxedPrimitive(value, numberValue); +} +exports.isNumberObject = isNumberObject; + +function isStringObject(value) { + return checkBoxedPrimitive(value, stringValue); +} +exports.isStringObject = isStringObject; + +function isBooleanObject(value) { + return checkBoxedPrimitive(value, booleanValue); +} +exports.isBooleanObject = isBooleanObject; + +function isBigIntObject(value) { + return BigIntSupported && checkBoxedPrimitive(value, bigIntValue); +} +exports.isBigIntObject = isBigIntObject; + +function isSymbolObject(value) { + return SymbolSupported && checkBoxedPrimitive(value, symbolValue); +} +exports.isSymbolObject = isSymbolObject; + +function isBoxedPrimitive(value) { + return ( + isNumberObject(value) || + isStringObject(value) || + isBooleanObject(value) || + isBigIntObject(value) || + isSymbolObject(value) + ); +} +exports.isBoxedPrimitive = isBoxedPrimitive; + +function isAnyArrayBuffer(value) { + return typeof Uint8Array !== 'undefined' && ( + isArrayBuffer(value) || + isSharedArrayBuffer(value) + ); +} +exports.isAnyArrayBuffer = isAnyArrayBuffer; + +['isProxy', 'isExternal', 'isModuleNamespaceObject'].forEach(function(method) { + Object.defineProperty(exports, method, { + enumerable: false, + value: function() { + throw new Error(method + ' is not supported in userland'); + } + }); +}); + +},{"is-arguments":30,"is-generator-function":31,"is-typed-array":32,"which-typed-array":42}],41:[function(require,module,exports){ +(function (process){(function (){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors || + function getOwnPropertyDescriptors(obj) { + var keys = Object.keys(obj); + var descriptors = {}; + for (var i = 0; i < keys.length; i++) { + descriptors[keys[i]] = Object.getOwnPropertyDescriptor(obj, keys[i]); + } + return descriptors; + }; + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + if (typeof process !== 'undefined' && process.noDeprecation === true) { + return fn; + } + + // Allow for deprecating things in the process of starting up. + if (typeof process === 'undefined') { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnvRegex = /^$/; + +if (process.env.NODE_DEBUG) { + var debugEnv = process.env.NODE_DEBUG; + debugEnv = debugEnv.replace(/[|\\{}()[\]^$+?.]/g, '\\$&') + .replace(/\*/g, '.*') + .replace(/,/g, '$|^') + .toUpperCase(); + debugEnvRegex = new RegExp('^' + debugEnv + '$', 'i'); +} +exports.debuglog = function(set) { + set = set.toUpperCase(); + if (!debugs[set]) { + if (debugEnvRegex.test(set)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +exports.types = require('./support/types'); + +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; +exports.types.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; +exports.types.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; +exports.types.isNativeError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +var kCustomPromisifiedSymbol = typeof Symbol !== 'undefined' ? Symbol('util.promisify.custom') : undefined; + +exports.promisify = function promisify(original) { + if (typeof original !== 'function') + throw new TypeError('The "original" argument must be of type Function'); + + if (kCustomPromisifiedSymbol && original[kCustomPromisifiedSymbol]) { + var fn = original[kCustomPromisifiedSymbol]; + if (typeof fn !== 'function') { + throw new TypeError('The "util.promisify.custom" argument must be of type Function'); + } + Object.defineProperty(fn, kCustomPromisifiedSymbol, { + value: fn, enumerable: false, writable: false, configurable: true + }); + return fn; + } + + function fn() { + var promiseResolve, promiseReject; + var promise = new Promise(function (resolve, reject) { + promiseResolve = resolve; + promiseReject = reject; + }); + + var args = []; + for (var i = 0; i < arguments.length; i++) { + args.push(arguments[i]); + } + args.push(function (err, value) { + if (err) { + promiseReject(err); + } else { + promiseResolve(value); + } + }); + + try { + original.apply(this, args); + } catch (err) { + promiseReject(err); + } + + return promise; + } + + Object.setPrototypeOf(fn, Object.getPrototypeOf(original)); + + if (kCustomPromisifiedSymbol) Object.defineProperty(fn, kCustomPromisifiedSymbol, { + value: fn, enumerable: false, writable: false, configurable: true + }); + return Object.defineProperties( + fn, + getOwnPropertyDescriptors(original) + ); +} + +exports.promisify.custom = kCustomPromisifiedSymbol + +function callbackifyOnRejected(reason, cb) { + // `!reason` guard inspired by bluebird (Ref: https://goo.gl/t5IS6M). + // Because `null` is a special error value in callbacks which means "no error + // occurred", we error-wrap so the callback consumer can distinguish between + // "the promise rejected with null" or "the promise fulfilled with undefined". + if (!reason) { + var newReason = new Error('Promise was rejected with a falsy value'); + newReason.reason = reason; + reason = newReason; + } + return cb(reason); +} + +function callbackify(original) { + if (typeof original !== 'function') { + throw new TypeError('The "original" argument must be of type Function'); + } + + // We DO NOT return the promise as it gives the user a false sense that + // the promise is actually somehow related to the callback's execution + // and that the callback throwing will reject the promise. + function callbackified() { + var args = []; + for (var i = 0; i < arguments.length; i++) { + args.push(arguments[i]); + } + + var maybeCb = args.pop(); + if (typeof maybeCb !== 'function') { + throw new TypeError('The last argument must be of type Function'); + } + var self = this; + var cb = function() { + return maybeCb.apply(self, arguments); + }; + // In true node style we process the callback on `nextTick` with all the + // implications (stack, `uncaughtException`, `async_hooks`) + original.apply(this, args) + .then(function(ret) { process.nextTick(cb.bind(null, null, ret)) }, + function(rej) { process.nextTick(callbackifyOnRejected.bind(null, rej, cb)) }); + } + + Object.setPrototypeOf(callbackified, Object.getPrototypeOf(original)); + Object.defineProperties(callbackified, + getOwnPropertyDescriptors(original)); + return callbackified; +} +exports.callbackify = callbackify; + +}).call(this)}).call(this,require('_process')) +},{"./support/isBuffer":39,"./support/types":40,"_process":35,"inherits":29}],42:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var forEach = require('foreach'); +var availableTypedArrays = require('available-typed-arrays'); +var callBound = require('call-bind/callBound'); + +var $toString = callBound('Object.prototype.toString'); +var hasSymbols = require('has-symbols')(); +var hasToStringTag = hasSymbols && typeof Symbol.toStringTag === 'symbol'; + +var typedArrays = availableTypedArrays(); + +var $slice = callBound('String.prototype.slice'); +var toStrTags = {}; +var gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor'); +var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); +if (hasToStringTag && gOPD && getPrototypeOf) { + forEach(typedArrays, function (typedArray) { + if (typeof global[typedArray] === 'function') { + var arr = new global[typedArray](); + if (!(Symbol.toStringTag in arr)) { + throw new EvalError('this engine has support for Symbol.toStringTag, but ' + typedArray + ' does not have the property! Please report this.'); + } + var proto = getPrototypeOf(arr); + var descriptor = gOPD(proto, Symbol.toStringTag); + if (!descriptor) { + var superProto = getPrototypeOf(proto); + descriptor = gOPD(superProto, Symbol.toStringTag); + } + toStrTags[typedArray] = descriptor.get; + } + }); +} + +var tryTypedArrays = function tryAllTypedArrays(value) { + var foundName = false; + forEach(toStrTags, function (getter, typedArray) { + if (!foundName) { + try { + var name = getter.call(value); + if (name === typedArray) { + foundName = name; + } + } catch (e) {} + } + }); + return foundName; +}; + +var isTypedArray = require('is-typed-array'); + +module.exports = function whichTypedArray(value) { + if (!isTypedArray(value)) { return false; } + if (!hasToStringTag) { return $slice($toString(value), 8, -1); } + return tryTypedArrays(value); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"available-typed-arrays":7,"call-bind/callBound":11,"es-abstract/helpers/getOwnPropertyDescriptor":16,"foreach":21,"has-symbols":25,"is-typed-array":32}]},{},[1]); diff --git a/static/index.html b/static/index.html new file mode 100644 index 0000000..f5b59c0 --- /dev/null +++ b/static/index.html @@ -0,0 +1,55 @@ + + + + + Image to GeoJSON converter + + + +

GeoJSON extractor

+ +

+ Select/drop one or more images, and receive corresponding GeoJSON files for the location where they were taken. Useful when eg. wanting to import the location data into OpenStreetMap's iD editor (you can drag-and-drop the resulting files). +

+ +

+ Currently only supports JPG files. It must contain GPS coordinates in the EXIF data, or otherwise it can (obviously) not extract them! +

+ +

+ Your file is not sent to any servers. Processing happens locally in your browser. The source code can be found here. +

+ +
+ Drop your file(s) here... +
+ + ... or select them below: + + + + + + diff --git a/yarn.lock b/yarn.lock new file mode 100644 index 0000000..bb0f7b7 --- /dev/null +++ b/yarn.lock @@ -0,0 +1,1379 @@ +# THIS IS AN AUTOGENERATED FILE. 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