hot-site/gulpfile.js at master · dev-starter/hot-site · GitHub

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// Dependencies
var gulp = require('gulp-help')(require('gulp'));
var browserSync = require('browser-sync');
var del = require('del');
var merge2 = require('merge2');
var $ = require('gulp-load-plugins')();
var replace = require('gulp-replace');

// var assetHashes = JSON.parse(assetHashes);

// Assets diretories
var paths = {
  js: './app/assets/js',
  images: './app/assets/images',
  sass: './app/assets/scss',
  layout: './app/template/layout',
  site: './site'
};

// Hash options
var hashOptions = {
  algorithm: 'md5',
  hashLength: 10,
  template: '<%= name %>.<%= hash %><%= ext %>'
};

var babelOptions = {
  presets: ['es2017']
};

function loadAssetHashes() {
  return require('./asset-hashes.json');
}

function addAssetToManifest(stream) {
  return stream
    .pipe($.hash.manifest('asset-hashes.json', true))
    .pipe(gulp.dest('.'));
}

gulp.task(
  'sass',
  'Compile sass into minified CSS files and copy to site folder', ['clean:css'],
  function() {
    var stream = merge2(
        gulp.src(paths.sass + '/*.scss')
        .pipe($.include())
      )
      .pipe($.sass())
      .pipe($.csso())
      .pipe($.concat('application.css'))
      .pipe($.hash(hashOptions))
      .pipe(gulp.dest(paths.site));

    addAssetToManifest(stream);

    return stream;
  }
);

gulp.task(
  'js',
  'Include JS files, put hash on file names and copy to site folder', ['clean:js'],
  function() {
    var stream = merge2(
        gulp.src(paths.js + '/*.js')
        .pipe($.include())
        .pipe($.babel(babelOptions))
      )
      .pipe($.concat('application.js'))
      .pipe($.uglify())
      .pipe($.hash(hashOptions))
      .pipe(gulp.dest(paths.site));

    addAssetToManifest(stream);

    return stream;
  }
);

gulp.task(
  'html:app',
  'Include HTML files, create index and concat partials', [ 'clean:html', 'sass:app', 'js:app'],
  function() {
    assetHashes2 = loadAssetHashes();
    console.log(assetHashes2)

    var stream = gulp.src(paths.layout + '/application.html')
      .pipe($.concat('index.html'))
      .pipe(replace('$application.css', assetHashes2['application.css']))
      .pipe(replace('$application.js', assetHashes2['application.js']))
      .pipe(gulp.dest(paths.site));

    return stream;
  }
);

gulp.task(
  'js:app',
  'Include JS files, put hash on file names and copy to site folder', ['clean:js'],
  function() {
    var stream = merge2(
        gulp.src(paths.js + '/*.js')
        .pipe($.include())
        .pipe($.babel(babelOptions))
      )
      .pipe($.concat('application.js'))
      .pipe($.hash(hashOptions))
      .pipe(gulp.dest(paths.site));

    addAssetToManifest(stream);

    return stream;
  }
);

gulp.task(
  'sass:app',
  'Compile sass into CSS files and copy to site folder', ['clean:css'],
  function() {
    var stream = merge2(
        gulp.src(paths.sass + '/*.scss')
        .pipe($.include())
      )
      .pipe($.sass())
      .pipe($.csso())
      .pipe($.concat('application.css'))
      .pipe($.hash(hashOptions))
      .pipe(gulp.dest(paths.site));

    addAssetToManifest(stream);

    return stream;
  }
);

gulp.task('clean:css', 'Clean CSS assets', function() {
  return del(paths.site + '/*.css');
});

gulp.task('clean:js', 'Clean JS assets', function() {
  return del(paths.site + '/*.js');
});

gulp.task('clean:html', 'Clean HTML', function() {
  return del(paths.site + '/index.html');
});

gulp.task('clean:hashes', 'Clean asset hashes', function() {
  return del('asset-hashes.json');
});

gulp.task('clean', ['clean:css', 'clean:js']);

gulp.task(
  'server',
  'Provide a node server with browser sync and rerun tasks when a file changes', ['sass:app', 'js:app', 'html'],
  function() {
    browserSync.init([
      paths.site + '/**/*',
    ], {
      proxy: 'hotsite.dev',
      notify: false
    });

    gulp.watch(paths.sass + '/*.scss', ['sass:app']);
    gulp.watch(paths.js + '/*.js', ['js:app']);

    gulp.watch(paths.site, function(event) {
      browserSync.reload(event.path);
    });
  }
);

gulp.task('build', ['html']);
gulp.task('build:app', ['html:app']);
gulp.task('default', ['build:app']);