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109 lines
2.4 KiB
JavaScript
109 lines
2.4 KiB
JavaScript
"use strict";
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/* eslint-env node */
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let babelify = require("babelify");
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let browserify = require("browserify");
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let buffer = require("vinyl-buffer");
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let del = require("del");
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let eslint = require("gulp-eslint");
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let gulp = require("gulp");
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let header = require("gulp-header");
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let mocha = require("gulp-mocha");
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let package_ = require("./package");
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let peg = require("./lib/peg");
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let rename = require("gulp-rename");
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let runSequence = require("run-sequence");
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let source = require("vinyl-source-stream");
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let spawn = require("child_process").spawn;
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let transform = require("gulp-transform");
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let uglify = require("gulp-uglify");
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const HEADER = [
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"// PEG.js " + package_.version,
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"//",
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"// https://pegjs.org/",
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"//",
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"// Copyright (c) 2010-2016 David Majda",
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"// Licensed under the MIT License.",
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""
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].map(line => `${line}\n`).join("");
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const JS_FILES = [
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"lib/**/*.js",
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"!lib/parser.js",
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"test/**/*.js",
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"test/server",
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"!test/vendor/**/*",
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"benchmark/**/*.js",
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"benchmark/run",
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"benchmark/server",
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"!benchmark/vendor/**/*",
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"bin/pegjs",
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"gulpfile.js"
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];
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const TEST_FILES = [
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"test/**/*.js",
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"!test/vendor/**/*"
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];
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function generate(contents) {
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return peg.generate(contents.toString(), {
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output: "source",
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format: "commonjs"
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});
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}
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// Run ESLint on all JavaScript files.
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gulp.task("lint", () =>
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gulp.src(JS_FILES)
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.pipe(eslint())
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.pipe(eslint.format())
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.pipe(eslint.failAfterError())
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);
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// Run tests.
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gulp.task("test", () =>
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gulp.src(TEST_FILES, { read: false })
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.pipe(mocha())
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);
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// Run benchmarks.
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gulp.task("benchmark", () =>
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spawn("benchmark/run", { stdio: "inherit" })
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);
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// Create the browser build.
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gulp.task("browser:build", () =>
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browserify("lib/peg.js", { standalone: "peg" })
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.transform(babelify, { presets: "es2015", compact: false })
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.bundle()
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.pipe(source("peg.js"))
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.pipe(header(HEADER))
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.pipe(gulp.dest("browser"))
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.pipe(rename({ suffix: ".min" }))
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.pipe(buffer())
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.pipe(uglify())
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.pipe(header(HEADER))
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.pipe(gulp.dest("browser"))
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);
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// Delete the browser build.
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gulp.task("browser:clean", () =>
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del("browser")
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);
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// Generate the grammar parser.
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gulp.task("parser", () =>
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gulp.src("src/parser.pegjs")
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.pipe(transform(generate))
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.pipe(rename({ extname: ".js" }))
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.pipe(gulp.dest("lib"))
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);
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// Default task.
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gulp.task("default", cb =>
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runSequence("lint", "test", cb)
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);
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