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gulpfile.js
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gulpfile.js
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// gulpfile.js - https://jsua.co/mm-gulp
'use strict'; // http://www.w3schools.com/js/js_strict.asp
// 1. LOAD PLUGINS
var gulp = require('gulp');
var bourbon = require('bourbon').includePaths;
var neat = require('bourbon-neat').includePaths;
var p = require('gulp-load-plugins')({ // This loads all the other plugins.
DEBUG: false,
pattern: ['gulp-*', 'gulp.*', 'del', 'run-*', 'browser*', 'vinyl-*'],
rename: {
'vinyl-source-stream': 'source',
'vinyl-buffer': 'buffer',
'gulp-util': 'gutil'
},
});
// 2. CONFIGURATION
var
src = 'source/', // The Middleman source folder
dest = '.tmp/', // The "hot" build folder used by Middleman's external pipeline
development = p.environments.development,
production = p.environments.production,
css = {
in: src + 'assets/stylesheets/**/*.{css,scss,sass}',
out: dest + 'assets/stylesheets/',
},
sassOpts = {
imagePath: '../assets/images',
includePaths: [bourbon, neat],
errLogToConsole: true
},
autoprefixerOpts = {
browsers: ['last 3 versions', '> 5%']
},
js = {
in: src + 'assets/javascripts/*.{js,coffee}',
out: dest + 'assets/javascripts/'
},
uglifyOpts = {
output: {
comments: 'uglify-save-license'
}
},
images = {
in: src + 'assets/images/*',
out: dest + 'assets/images/'
},
serverOpts = {
proxy: 'localhost:4567',
open: true,
reloadDelay: 700,
files: [dest + '**/*.{js,css}', src + '**/*.{html,slim,markdown}']
};
// 3. WORKER TASKS
// CSS Preprocessing
gulp.task('css', function() {
return gulp.src(css.in)
.pipe(development(p.sourcemaps.init()))
.pipe(p.sass(sassOpts).on('error', p.sass.logError))
.pipe(p.autoprefixer(autoprefixerOpts)).on('error', handleError)
.pipe(production(p.cleanCss()))
.pipe(development(p.sourcemaps.write()))
.pipe(gulp.dest(css.out));
});
// Javascript Bundling
gulp.task('js', function() {
var b = p.browserify({
entries: src + 'assets/javascripts/all.js',
debug: true
});
return b.bundle().on('error', handleError)
.pipe(p.source('bundle.js'))
.pipe(production() ? p.buffer() : p.gutil.noop())
.pipe(production(p.stripDebug()))
.pipe(production() ? p.uglify(uglifyOpts) : p.gutil.noop())
.pipe(gulp.dest(js.out));
});
// Image Optimization
gulp.task('images', function() {
return gulp.src(images.in)
.pipe(p.changed(images.out))
.pipe(p.imagemin())
.pipe(gulp.dest(images.out));
});
// Clean .tmp/
gulp.task('clean', function() {
p.del([
dest + '*'
]);
});
// Asset Size Report
gulp.task('sizereport', function () {
return gulp.src(dest + '**/*')
.pipe(p.sizereport({
gzip: true
}));
});
// 4. SUPER TASKS
// Development Task
gulp.task('development', function(done) {
p.runSequence('clean', 'css', 'js', 'images', done);
});
// Production Task
gulp.task('production', function(done) {
p.runSequence('clean', 'css', 'js', 'images', 'sizereport', done);
});
// Default Task
// This is the task that will be invoked by Middleman's exteranal pipeline when
// running 'middleman server'
gulp.task('default', ['development'], function() {
p.browserSync.init(serverOpts);
gulp.watch(css.in, ['css']);
gulp.watch(js.in, ['js']);
gulp.watch(images.in, ['images']);
});
function handleError(err) {
console.log(err.toString());
this.emit('end');
}