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- // ## Globals
- /*global $:true*/
- var $ = require('gulp-load-plugins')();
- var argv = require('yargs').argv;
- var browserSync = require('browser-sync');
- var gulp = require('gulp');
- var lazypipe = require('lazypipe');
- var merge = require('merge-stream');
- // See https://github.com/austinpray/asset-builder
- var manifest = require('asset-builder')('./assets/manifest.json');
- // `path` - Paths to base asset directories. With trailing slashes.
- // - `path.source` - Path to the source files. Default: `assets/`
- // - `path.dist` - Path to the build directory. Default: `dist/`
- var path = manifest.paths;
- // `config` - Store arbitrary configuration values here.
- var config = manifest.config || {};
- // `globs` - These ultimately end up in their respective `gulp.src`.
- // - `globs.js` - Array of asset-builder JS dependency objects. Example:
- // ```
- // {type: 'js', name: 'main.js', globs: []}
- // ```
- // - `globs.css` - Array of asset-builder CSS dependency objects. Example:
- // ```
- // {type: 'css', name: 'main.css', globs: []}
- // ```
- // - `globs.fonts` - Array of font path globs.
- // - `globs.images` - Array of image path globs.
- // - `globs.bower` - Array of all the main Bower files.
- var globs = manifest.globs;
- // `project` - paths to first-party assets.
- // - `project.js` - Array of first-party JS assets.
- // - `project.css` - Array of first-party CSS assets.
- var project = manifest.getProjectGlobs();
- // CLI options
- var enabled = {
- // Enable static asset revisioning when `--production`
- rev: argv.production,
- // Disable source maps when `--production`
- maps: !argv.production,
- // Fail styles task on error when `--production`
- failStyleTask: argv.production
- };
- // Path to the compiled assets manifest in the dist directory
- var revManifest = path.dist + 'assets.json';
- // ## Reusable Pipelines
- // See https://github.com/OverZealous/lazypipe
- // ### CSS processing pipeline
- // Example
- // ```
- // gulp.src(cssFiles)
- // .pipe(cssTasks('main.css')
- // .pipe(gulp.dest(path.dist + 'styles'))
- // ```
- var cssTasks = function(filename) {
- return lazypipe()
- .pipe(function() {
- return $.if(!enabled.failStyleTask, $.plumber());
- })
- .pipe(function() {
- return $.if(enabled.maps, $.sourcemaps.init());
- })
- .pipe(function() {
- return $.if('*.less', $.less());
- })
- .pipe(function() {
- return $.if('*.scss', $.sass({
- outputStyle: 'nested', // libsass doesn't support expanded yet
- precision: 10,
- includePaths: ['.'],
- errLogToConsole: !enabled.failStyleTask
- }));
- })
- .pipe($.concat, filename)
- .pipe($.pleeease, {
- autoprefixer: {
- browsers: [
- 'last 2 versions', 'ie 8', 'ie 9', 'android 2.3', 'android 4',
- 'opera 12'
- ]
- }
- })
- .pipe(function() {
- return $.if(enabled.rev, $.rev());
- })
- .pipe(function() {
- return $.if(enabled.maps, $.sourcemaps.write('.'));
- })();
- };
- // ### JS processing pipeline
- // Example
- // ```
- // gulp.src(jsFiles)
- // .pipe(jsTasks('main.js')
- // .pipe(gulp.dest(path.dist + 'scripts'))
- // ```
- var jsTasks = function(filename) {
- return lazypipe()
- .pipe(function() {
- return $.if(enabled.maps, $.sourcemaps.init());
- })
- .pipe($.concat, filename)
- .pipe($.uglify)
- .pipe(function() {
- return $.if(enabled.rev, $.rev());
- })
- .pipe(function() {
- return $.if(enabled.maps, $.sourcemaps.write('.'));
- })();
- };
- // ### Write to rev manifest
- // If there are any revved files then write them to the rev manifest.
- // See https://github.com/sindresorhus/gulp-rev
- var writeToManifest = function(directory) {
- return lazypipe()
- .pipe(gulp.dest, path.dist + directory)
- .pipe(function() {
- return $.if('**/*.{js,css}', browserSync.reload({stream:true}));
- })
- .pipe($.rev.manifest, revManifest, {
- base: path.dist,
- merge: true
- })
- .pipe(gulp.dest, path.dist)();
- };
- // ## Gulp tasks
- // Run `gulp -T` for a task summary
- // ### Styles
- // `gulp styles` - Compiles, combines, and optimizes Bower CSS and project CSS.
- // By default this task will only log a warning if a precompiler error is
- // raised. If the `--production` flag is set: this task will fail outright.
- gulp.task('styles', ['wiredep'], function() {
- var merged = merge();
- manifest.forEachDependency('css', function(dep) {
- var cssTasksInstance = cssTasks(dep.name);
- if (!enabled.failStyleTask) {
- cssTasksInstance.on('error', function(err) {
- console.error(err.message);
- this.emit('end');
- });
- }
- merged.add(gulp.src(dep.globs, {base: 'styles'})
- .pipe(cssTasksInstance));
- });
- return merged
- .pipe(writeToManifest('styles'));
- });
- // ### Scripts
- // `gulp scripts` - Runs JSHint then compiles, combines, and optimizes Bower JS
- // and project JS.
- gulp.task('scripts', ['jshint'], function() {
- var merged = merge();
- manifest.forEachDependency('js', function(dep) {
- merged.add(
- gulp.src(dep.globs, {base: 'scripts'})
- .pipe(jsTasks(dep.name))
- );
- });
- return merged
- .pipe(writeToManifest('scripts'));
- });
- // ### Fonts
- // `gulp fonts` - Grabs all the fonts and outputs them in a flattened directory
- // structure. See: https://github.com/armed/gulp-flatten
- gulp.task('fonts', function() {
- return gulp.src(globs.fonts)
- .pipe($.flatten())
- .pipe(gulp.dest(path.dist + 'fonts'));
- });
- // ### Images
- // `gulp images` - Run lossless compression on all the images.
- gulp.task('images', function() {
- return gulp.src(globs.images)
- .pipe($.imagemin({
- progressive: true,
- interlaced: true,
- svgoPlugins: [{removeUnknownsAndDefaults: false}]
- }))
- .pipe(gulp.dest(path.dist + 'images'));
- });
- // ### JSHint
- // `gulp jshint` - Lints configuration JSON and project JS.
- gulp.task('jshint', function() {
- return gulp.src([
- 'bower.json', 'gulpfile.js'
- ].concat(project.js))
- .pipe($.jshint())
- .pipe($.jshint.reporter('jshint-stylish'))
- .pipe($.jshint.reporter('fail'));
- });
- // ### Clean
- // `gulp clean` - Deletes the build folder entirely.
- gulp.task('clean', require('del').bind(null, [path.dist]));
- // ### Watch
- // `gulp watch` - Use BrowserSync to proxy your dev server and synchronize code
- // changes across devices. Specify the hostname of your dev server at
- // `manifest.config.devUrl`. When a modification is made to an asset, run the
- // build step for that asset and inject the changes into the page.
- // See: http://www.browsersync.io
- gulp.task('watch', function() {
- browserSync({
- proxy: config.devUrl,
- snippetOptions: {
- whitelist: ['/wp-admin/admin-ajax.php'],
- blacklist: ['/wp-admin/**']
- }
- });
- gulp.watch([path.source + 'styles/**/*'], ['styles']);
- gulp.watch([path.source + 'scripts/**/*'], ['jshint', 'scripts']);
- gulp.watch([path.source + 'fonts/**/*'], ['fonts']);
- gulp.watch([path.source + 'images/**/*'], ['images']);
- gulp.watch(['bower.json'], ['wiredep']);
- gulp.watch('**/*.php', function() {
- browserSync.reload();
- });
- });
- // ### Build
- // `gulp build` - Run all the build tasks but don't clean up beforehand.
- // Generally you should be running `gulp` instead of `gulp build`.
- gulp.task('build', ['styles', 'scripts', 'fonts', 'images']);
- // ### Wiredep
- // `gulp wiredep` - Automatically inject Less and Sass Bower dependencies. See
- // https://github.com/taptapship/wiredep
- gulp.task('wiredep', function() {
- var wiredep = require('wiredep').stream;
- return gulp.src(project.css)
- .pipe(wiredep())
- .pipe($.changed(path.source + 'styles', {
- hasChanged: $.changed.compareSha1Digest
- }))
- .pipe(gulp.dest(path.source + 'styles'));
- });
- // ### Gulp
- // `gulp` - Run a complete build. To compile for production run `gulp --production`.
- gulp.task('default', ['clean'], function() {
- gulp.start('build');
- });
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