mirror of
https://github.com/Polymer/polymer.git
synced 2025-02-25 18:55:30 -06:00
Update gulp build to transpile to es5.
For now, builds to dist/bundled and dist/unbundled, and links polymer.html and polymer-element.html to dist/bundled/polymer.html. Source can be restored with `gulp restore-src`.
This commit is contained in:
Kevin Schaaf
parent
426f2346bf
commit
fb70b87065
180
gulpfile.js
180
gulpfile.js
@ -11,112 +11,146 @@
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// jshint node: true
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'use strict';
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var gulp = require('gulp');
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var audit = require('gulp-audit');
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var replace = require('gulp-replace');
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var rename = require('gulp-rename');
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var vulcanize = require('gulp-vulcanize');
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var runseq = require('run-sequence');
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var lazypipe = require('lazypipe');
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var polyclean = require('polyclean');
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var del = require('del');
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var eslint = require('gulp-eslint');
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/* global require */
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const gulp = require('gulp');
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const gulpif = require('gulp-if');
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const audit = require('gulp-audit');
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const rename = require('gulp-rename');
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const runseq = require('run-sequence');
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const del = require('del');
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const eslint = require('gulp-eslint');
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const fs = require('fs');
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const path = require('path');
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var path = require('path');
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const DIST_DIR = 'dist';
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const BUNDLED_DIR = path.join(DIST_DIR, 'bundled');
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const UNBUNDLED_DIR = path.join(DIST_DIR, 'unbundled');
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const DEFAULT_BUILD_DIR = BUNDLED_DIR;
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const POLYMER_LEGACY = 'polymer.html';
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const POLYMER_ELEMENT = 'polymer-element.html';
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const DEFAULT_BUILD_TARGET = POLYMER_LEGACY;
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const ENTRY_POINTS = [POLYMER_LEGACY, POLYMER_ELEMENT];
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var minimalDocument = require('./util/minimalDocument');
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const polymer = require('polymer-build');
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const PolymerProject = polymer.PolymerProject;
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const project = new PolymerProject({ shell: DEFAULT_BUILD_TARGET });
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const fork = polymer.forkStream;
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var micro = "polymer-micro.html";
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var mini = "polymer-mini.html";
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var max = "polymer.html";
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var workdir = 'dist';
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var distMicro = path.join(workdir, micro);
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var distMini = path.join(workdir, mini);
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var distMax = path.join(workdir, max);
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var pkg = require('./package.json');
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var cleanupPipe = lazypipe()
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// remove leading whitespace and comments
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.pipe(polyclean.leftAlignJs)
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// remove html wrapper
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.pipe(minimalDocument)
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// Add real version number
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.pipe(replace, /(Polymer.version = )'master'/, '$1"' + pkg.version + '"')
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;
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function vulcanizeWithExcludes(target, excludes) {
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if (excludes) {
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excludes = excludes.map(function(ex) { return path.resolve(ex); });
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}
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return function() {
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return gulp.src(target)
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.pipe(vulcanize({
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stripComments: true,
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excludes: excludes
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}))
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.pipe(cleanupPipe())
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.pipe(gulp.dest(workdir));
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};
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}
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gulp.task('micro', vulcanizeWithExcludes(micro));
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gulp.task('mini', vulcanizeWithExcludes(mini, [micro]));
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gulp.task('max', vulcanizeWithExcludes(max, [mini, micro]));
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const mergeStream = require('merge-stream');
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const babel = require('gulp-babel');
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const uglify = require('gulp-uglify');
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const htmlmin = require('gulp-htmlmin');
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const gzipSize = require('gzip-size');
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const prettyBytes = require('pretty-bytes');
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gulp.task('clean', function() {
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return del(workdir);
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return del(DIST_DIR);
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});
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gulp.task('build', ['clean'], () => {
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// process source files in the project
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const sources = project.sources()
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.pipe(project.splitHtml())
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// add compilers or optimizers here!
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.pipe(gulpif(/\.js$/, babel({presets: ['es2015']/*, plugins: ['external-helpers']*/})))
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.pipe(gulpif(/\.js$/, uglify()))
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.pipe(project.rejoinHtml())
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.pipe(htmlmin({removeComments: true}));
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// process dependencies
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const dependencies = project.dependencies()
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.pipe(project.splitHtml())
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// add compilers or optimizers here!
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.pipe(gulpif(/\.js$/, babel({presets: ['es2015']/*, plugins: ['external-helpers']*/})))
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.pipe(gulpif(/\.js$/, uglify()))
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.pipe(project.rejoinHtml())
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.pipe(htmlmin({removeComments: true}));
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// merge the source and dependencies streams to we can analyze the project
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const mergedFiles = mergeStream(sources, dependencies)
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.pipe(project.analyzer);
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return mergeStream(
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fork(mergedFiles)
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.pipe(project.bundler)
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// write to the bundled folder
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.pipe(gulp.dest(BUNDLED_DIR)),
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fork(mergedFiles)
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// write to the unbundled folder
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.pipe(gulp.dest(UNBUNDLED_DIR))
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);
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});
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// copy bower.json into dist folder
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gulp.task('copy-bower-json', function() {
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return gulp.src('bower.json').pipe(gulp.dest(workdir));
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return gulp.src('bower.json').pipe(gulp.dest(DEFAULT_BUILD_DIR));
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});
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// Build
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gulp.task('build-steps', function(cb) {
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runseq('restore-src', 'build', 'print-size', cb);
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});
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// Bundled build
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gulp.task('build-bundled', function(cb) {
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runseq('build-steps', 'save-src', 'link-bundled', cb);
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});
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// Unbundled build
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gulp.task('build-unbundled', function(cb) {
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runseq('build-steps', 'save-src', 'link-unbundled', cb);
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});
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// Default Task
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gulp.task('default', function(cb) {
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runseq('clean', ['micro', 'mini', 'max'], cb);
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});
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gulp.task('default', ['build-bundled']);
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// switch src and build for testing
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gulp.task('save-src', function() {
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return gulp.src([mini, micro, max])
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return gulp.src(ENTRY_POINTS)
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.pipe(rename(function(p) {
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p.extname += '.bak';
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p.extname += '.src';
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}))
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.pipe(gulp.dest('.'));
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});
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gulp.task('restore-src', function() {
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return gulp.src([mini + '.bak', micro + '.bak', max + '.bak'])
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gulp.task('restore-src', function(cb) {
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const files = ENTRY_POINTS.map(f=>`${f}.src`);
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gulp.src(files)
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.pipe(rename(function(p) {
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p.extname = '';
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}))
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.pipe(gulp.dest('.'));
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.pipe(gulp.dest('.'))
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.on('end', ()=>Promise.all(files.map(f=>del(f))).then(()=>cb()));
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});
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gulp.task('cleanup-switch', function() {
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return del([mini + '.bak', micro + '.bak', max + '.bak']);
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gulp.task('link-bundled', function(cb) {
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ENTRY_POINTS.forEach(f=>{
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fs.writeFileSync(f, `<link rel="import" href="${DEFAULT_BUILD_DIR}/${DEFAULT_BUILD_TARGET}">`);
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});
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cb();
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});
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gulp.task('switch-build', function() {
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return gulp.src([distMini, distMicro, distMax])
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.pipe(gulp.dest('.'));
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gulp.task('link-unbundled', function(cb) {
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ENTRY_POINTS.forEach(f=>{
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fs.writeFileSync(f, `<link rel="import" href="${DEFAULT_BUILD_DIR}/${f}">`);
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});
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cb();
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});
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gulp.task('switch', function(cb) {
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runseq('default', 'save-src', 'switch-build', cb);
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});
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gulp.task('restore', function(cb) {
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runseq('restore-src', 'cleanup-switch', cb);
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gulp.task('print-size', function(cb) {
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fs.readFile(path.join(DEFAULT_BUILD_DIR, DEFAULT_BUILD_TARGET), function(err, contents) {
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gzipSize(contents, function(err, size) {
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console.log(`${DEFAULT_BUILD_TARGET} size: ${prettyBytes(size)}`);
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cb();
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});
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});
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});
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gulp.task('audit', function() {
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return gulp.src([distMini, distMicro, distMax])
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return gulp.src(ENTRY_POINTS.map(f=>path.join(DEFAULT_BUILD_DIR, f)))
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.pipe(audit('build.log', { repos: ['.'] }))
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.pipe(gulp.dest(workdir));
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.pipe(gulp.dest(DEFAULT_BUILD_DIR));
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});
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gulp.task('release', function(cb) {
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13
package.json
13
package.json
@ -8,17 +8,26 @@
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"test": "test"
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},
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"devDependencies": {
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"del": "^2.2.0",
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"babel-plugin-external-helpers": "^6.8.0",
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"babel-preset-es2015": "^6.13.2",
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"del": "^2.2.1",
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"dom5": "^1.3.1",
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"eslint-plugin-html": "^1.3.0",
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"gulp": "^3.8.11",
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"gulp": "^3.9.1",
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"gulp-audit": "^1.0.0",
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"gulp-babel": "^6.1.2",
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"gulp-eslint": "^3.0.1",
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"gulp-htmlmin": "^2.0.0",
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"gulp-if": "^2.0.1",
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"gulp-rename": "^1.2.2",
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"gulp-replace": "^0.5.3",
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"gulp-size": "^2.1.0",
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"gulp-uglify": "^2.0.0",
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"gulp-vulcanize": "^6.0.1",
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"lazypipe": "^1.0.1",
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"merge-stream": "^1.0.0",
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"polyclean": "^1.2.0",
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"polymer-build": "^0.3.0",
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"run-sequence": "^1.1.0",
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"through2": "^2.0.0",
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"web-component-tester": "^4"
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