gulpfile.babel.js

/**
 *
 *  Kamilla's portfolio
 *
 *  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
 *
 */

 '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 gulp from 'gulp';
import browserSync from 'browser-sync';
import gulpLoadPlugins from 'gulp-load-plugins';
import del from 'del';
import runSequence from 'run-sequence';

const $ = gulpLoadPlugins();
const reload = browserSync.reload;

// Lint JavaScript
gulp.task('jshint', () =>
  gulp.src('app/scripts/**/*.js')
    .pipe($.jshint())
    .pipe($.jshint.reporter('jshint-stylish'))
    .pipe($.if(!browserSync.active, $.jshint.reporter('fail')))
);

// Optimize images
gulp.task('images', () =>
  gulp.src('app/images/**/*')
    .pipe($.cache($.imagemin({
      progressive: true,
      interlaced: true
    })))
    .pipe(gulp.dest('dist/images'))
    .pipe($.size({title: 'images'}))
);

// Copy all files at the root level (app)
gulp.task('copy', () =>
  gulp.src([
    'app/*',
    '!app/*.html'
  ], {
    dot: true
  }).pipe(gulp.dest('dist'))
    .pipe($.size({title: 'copy'}))
);

// Copy all svg files
gulp.task('svg', () =>
  gulp.src('app/svg/**/*')
    .pipe($.cache($.imagemin()))
    .pipe(gulp.dest('dist/svg'))
    .pipe($.size({title: 'svg'}))
);

// Copy all font files
gulp.task('fonts', () =>
  gulp.src('app/fonts/**/*.{eot,svg,ttf,woff}')
    .pipe($.rename({dirname: '/'})) // remove subfolders
    .pipe(gulp.dest('.tmp/fonts'))
    .pipe(gulp.dest('dist/fonts'))
    .pipe($.size({title: 'fonts'}))
);

// Compile and automatically prefix stylesheets
gulp.task('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($.sass({
      precision: 10
    }).on('error', $.sass.logError))
    .pipe($.autoprefixer(AUTOPREFIXER_BROWSERS))
    .pipe($.sourcemaps.write())
    .pipe(gulp.dest('.tmp/styles'))
    // Concatenate and minify styles
    .pipe($.if('*.css', $.minifyCss()))
    .pipe($.size({title: 'styles'}))
    .pipe($.sourcemaps.write('.'))
    .pipe(gulp.dest('dist/styles'));
});

// Concatenate and minify JavaScript. Optionally transpiles ES2015 code to ES5.
// to enables ES2015 support remove the line `"only": "gulpfile.babel.js",` in the
// `.babelrc` file.
gulp.task('scripts', () =>
    gulp.src([
      // Note: Since we are not using useref in the scripts build pipeline,
      //       you need to explicitly list your scripts here in the right order
      //       to be correctly concatenated
      './app/scripts/main.js'
      // Other scripts
    ])
      .pipe($.newer('.tmp/scripts'))
      .pipe($.sourcemaps.init())
      .pipe($.babel())
      .pipe($.sourcemaps.write())
      .pipe(gulp.dest('.tmp/scripts'))
      .pipe($.concat('main.min.js'))
      .pipe($.uglify({preserveComments: 'some'}))
      // Output files
      .pipe($.size({title: 'scripts'}))
      .pipe($.sourcemaps.write('.'))
      .pipe(gulp.dest('dist/scripts'))
);

// Scan your HTML for assets & optimize them
gulp.task('html', () => {

  return gulp.src('app/**/*.html')
    // Concatenate and minify styles
    // In case you are still using useref build blocks
    .pipe($.if('*.css', $.minifyCss()))

    // Minify any HTML
    .pipe($.if('*.html', $.minifyHtml()))
    // Output files
    .pipe($.if('*.html', $.size({title: 'html', showFiles: true})))
    .pipe(gulp.dest('dist'));
});

// Clean output directory
gulp.task('clean', cb => del(['.tmp', 'dist/*', '!dist/.git'], {dot: true}, cb));

// Watch files for changes & reload
gulp.task('serve', ['scripts', 'styles', 'fonts'], () => {
  browserSync({
    notify: false,
    // Customize the Browsersync console logging prefix
    logPrefix: 'KPT',
    server: ['.tmp', 'app'],
    port: 3000,
    open: false
  });

  gulp.watch(['app/**/*.html'], reload);
  gulp.watch(['app/styles/**/*.{scss,css}'], ['styles', reload]);
  gulp.watch(['app/scripts/**/*.js'], ['jshint', 'scripts']);
  gulp.watch(['app/images/**/*'], reload);
});

// Build and serve the output from the dist build
gulp.task('serve:dist', ['default'], () =>
  browserSync({
    notify: false,
    logPrefix: 'KPT',
    server: 'dist',
    port: 3001,
    open: false
  })
);

// Build production files, the default task
gulp.task('default', ['clean'], cb =>
  runSequence(
    'styles',
    ['jshint', 'html', 'scripts', 'images', 'copy', 'svg', 'fonts'],
    cb
  )
);