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gulpfile.babel.js
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gulpfile.babel.js
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/**
*
* Web Starter Kit
* Copyright 2018 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*
*/
// jshint esversion: 6
// jshint strict: global
'use strict';
// This gulpfile makes use of new JavaScript features.
// Babel handles this without us having to do anything. It just works.
// You can read more about the new JavaScript features here:
// https://babeljs.io/docs/learn-es2015/
import path from 'path';
import gulp from 'gulp';
import del from 'del';
import {Server} from 'karma';
import runSequence from 'run-sequence';
import browserify from 'browserify';
import babelify from 'babelify';
import source from 'vinyl-source-stream';
import browserSync from 'browser-sync';
import nodemon from 'gulp-nodemon';
import gulpLoadPlugins from 'gulp-load-plugins';
import workboxBuild from 'workbox-build';
const $ = gulpLoadPlugins();
const bs = browserSync.create();
// Inject a precache manifest into the service worker
function buildSw() {
return workboxBuild.injectManifest({
swSrc: 'app/sw.js',
swDest: 'dist/sw.js',
globDirectory: 'dist',
globPatterns: [
'index.html',
'scripts/main.min.js',
'styles/main.css',
'images/*',
'images/touch/*'
]
}).catch(err => {
console.log('Uh oh 😬', err);
});
}
gulp.task('buildSw', buildSw);
// Optimize images
function images() {
return gulp.src('app/images/**/*')
.pipe($.imagemin({ // DEBUG removed $.cache( before imagemin
progressive: true,
interlaced: true
}))
.pipe(gulp.dest('dist/images'))
.pipe($.size({title: 'images'}));
}
function thirdPartyImages() {
return gulp.src('../third_party/images/**/*')
.pipe($.imagemin({ // DEBUG removed $.cache( before imagemin
progressive: true,
interlaced: true
}))
.pipe(gulp.dest('dist/images'))
.pipe($.size({title: 'product images'}));
}
gulp.task('images', gulp.parallel(images, thirdPartyImages));
// Copy all files at the root level (app)
function copy() {
return gulp.src([
'app/*',
'!app/*.html',
'node_modules/apache-server-configs/dist/.htaccess'
], {
dot: true
}).pipe(gulp.dest('dist'))
.pipe($.size({title: 'copy'}));
}
gulp.task('copy', copy);
// Compile and automatically prefix stylesheets
function styles() {
const AUTOPREFIXER_BROWSERS = [
'ie >= 10',
'ie_mob >= 10',
'ff >= 30',
'chrome >= 34',
'safari >= 7',
'opera >= 23',
'ios >= 7',
'android >= 4.4',
'bb >= 10'
];
// For best performance, don't add Sass partials to `gulp.src`
return gulp.src([
'app/styles/**/*.scss',
'app/styles/**/*.css'
])
.pipe($.newer('.tmp/styles'))
.pipe($.sourcemaps.init())
.pipe($.autoprefixer(AUTOPREFIXER_BROWSERS))
.pipe(gulp.dest('.tmp/styles'))
// Concatenate and minify styles
.pipe($.if('*.css', $.cssnano()))
.pipe($.size({title: 'styles'}))
.pipe($.sourcemaps.write('./'))
.pipe(gulp.dest('dist/styles'));
}
gulp.task('styles', styles);
function scripts() {
return browserify([
'./app/scripts/main.js'
], {debug: true, paths: ['app/scripts/modules/']})
.transform(babelify, {presets: ['env']})
.bundle()
.pipe(source('main.min.js'))
.on('error', err => {
console.log('ERROR:', err.message);
})
.pipe(gulp.dest('dist/scripts/'));
}
gulp.task('scripts', scripts);
// Scan your HTML for assets & optimize them
function html() {
return gulp.src('app/**/*.html')
.pipe($.useref({
searchPath: '{.tmp,app}',
noAssets: true
}))
// Output files
.pipe($.if('*.html', $.size({title: 'html', showFiles: true})))
.pipe(gulp.dest('dist'));
}
gulp.task('html', html);
// Clean output directory
gulp.task('clean', () => del(['.tmp', 'dist/*', '!dist/.git'], {dot: true}));
// Run unit tests
function test(done) {
return new Server({
configFile: path.join(__dirname, '/test-all.conf.js'),
singleRun: true
}, done).start();
}
gulp.task('test', test);
function nodeMon(cb) {
let started = false;
return nodemon({
script: './server.js',
watch: ['app/**/*.js'],
tasks: 'default'
}).on('start', () => {
if (!started) {
cb();
started = true;
}
}).on('restart', () => {
bs.reload();
});
}
// browserSync
function serve() {
return bs.init({
proxy: 'http://localhost:8081',
port: '8080',
open: false
});
}
// Build production files, the default task
gulp.task('default',
gulp.series(
'clean',
styles,
gulp.parallel(html, scripts, 'images', copy),
buildSw
)
);
gulp.task('nodemon', gulp.series('default', nodeMon));
gulp.task('serve', gulp.series('nodemon', serve));