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Gulp Configuration

This section is about the gulp configuration used to run the project.

Available modules

Let's review the modules used by our gulpfile :

js
const {src, dest, watch, series, parallel } = require('gulp');
const log = require('fancy-log');
const colors = require('ansi-colors');
const browserSync = require('browser-sync').create();
const sass = require('gulp-sass');
const bourbon = require('node-bourbon').includePaths;
const rename = require('gulp-rename');
const concat = require('gulp-concat');
const del = require('del');
const panini = require('panini');
const uglify = require('gulp-uglify-es').default;
const sourcemaps = require('gulp-sourcemaps');
const imagemin = require('gulp-imagemin');
const removeCode = require('gulp-remove-code');
const removeLog = require('gulp-remove-logging');
const prettyHtml = require('gulp-pretty-html');
const sassLint = require('gulp-sass-lint');
const htmllint = require('gulp-htmllint');
const jshint = require('gulp-jshint');
const htmlreplace = require('gulp-html-replace');
const newer = require('gulp-newer');
const autoprefixer = require('gulp-autoprefixer');
const accessibility = require('gulp-accessibility');
const babel = require('gulp-babel');
const nodepath = 'node_modules/';
const assetspath = 'assets/';

Gulp Plugins

There are two additional variables that we define at the top of the file. We will need them to continue :

  • nodepath : a shortcut to get stuff from the /node-modules folder (created by npm), so we don't expose our internal paths.

Gulp tasks

We prepared a certain number of predefined tasks that will help you during all the development process. We will go through the gulpfile.js file to detail each one of this tasks.

Server task

js
function browserSyncInit(done) {
  browserSync.init({
    server: './dist'
  });
  return done();
}

Gulp uses this task to create a browser-sync instance. It creates a local developement server and automatically opens a browser window showing index.html.

Watch task

js
function watchFiles() {
  watch('src/**/*.html', compileHTML);
  watch(['src/assets/scss/**/*', 'src/assets/scss/*'] , compileSCSS);
  watch('src/assets/js/*.js', compileJS);
  watch('src/assets/img/**/*', copyImages);
}

Gulp uses this task to watch any change you make to the html and Sass files. When it detects changes, it triggers other tasks that handle Sass and html compilation.

Clean task

js
function cleanDist(done) {
  del.sync('dist');
  return done();
}

Gulp uses this task to clean the dist folder, which is the result of the project build. At the moment you should not see any dist folder because you didn't build the project yet. This task is also used at the beginnning of the build process, to clean the folder before compiling the assets again.

Bulma task

js
function setupBulma() {
  return src([nodepath + 'bulma/*.sass', nodepath + 'bulma/**/*.sass'])
    .pipe(dest('src/assets/sass/'));
}

gulp uses this task to copy the Bulma source file from their location in the _node-modules folder to the sass/ folder. As these assets are already copied in the project, you shouldn't need this task right now.

Plugins task

js
function concatPlugins() {
  return src([
    nodepath + 'jquery/dist/jquery.min.js',
    nodepath + 'feather-icons/dist/feather.min.js',
    nodepath + 'typed.js/lib/typed.min.js',
    nodepath + 'easy-autocomplete/dist/jquery.easy-autocomplete.min.js',
    nodepath + 'alertifyjs/build/alertify.min.js',
    nodepath + 'scrollreveal/dist/scrollreveal.min.js',
    nodepath + 'ocanvas/build/dist/latest/ocanvas.min.js',
    nodepath + 'slick-carousel/slick/slick.min.js',
    nodepath + 'croppie/croppie.min.js',
    nodepath + '@fengyuanchen/datepicker/dist/datepicker.min.js',
    nodepath + 'chosen-js/chosen.jquery.min.js',
    nodepath + 'izitoast/dist/js/iziToast.min.js',
    nodepath + 'webui-popover/dist/jquery.webui-popover.min.js',
    nodepath + 'zoom-vanilla.js/dist/zoom-vanilla.min.js',
    nodepath + 'scrollreveal/dist/scrollreveal.min.js',
    nodepath + 'card/dist/jquery.card.js',
    'src/assets/vendor/js/*',
  ])
    .pipe(sourcemaps.init())
    .pipe(concat('app.js'))
    .pipe(sourcemaps.write('./'))
    .pipe(dest('dist/assets/js'))
    .pipe(browserSync.stream());
}

Gulp uses this task to concatenate all the required plugins into a single file which gets pushed to dist/assets/js/ folder. You can then access those plugins from there in your web pages.

Assets tasks

js
function copyImages() {
  return src('src/assets/img/**/*.+(png|jpg|jpeg|gif|svg)')
    .pipe(newer('dist/assets/img/'))
    .pipe(imagemin())
    .pipe(dest('dist/assets/img/'))
    .pipe(browserSync.stream());
}

function copyFont() {
  return src([
      'src/assets/font/*',
    ])
    .pipe(dest('dist/assets/fonts'))
    .pipe(browserSync.stream());
}

function copyData() {
  return src([
    'src/data/**/*',
  ])
    .pipe(dest('dist/assets/data'))
    .pipe(browserSync.stream());
}

function jsVendor() {
  return src([
      'src/assets/vendor/js/*',
    ])
    .pipe(dest('dist/assets/vendor/js'))
    .pipe(browserSync.stream());
}

function cssVendor() {
  return src([
      'src/assets/vendor/css/*',

    ])
    .pipe(dest('dist/assets/vendor/css'))
    .pipe(browserSync.stream());
}

gulp uses those tasks to copy all external assets and dependencies into the corresponding subfolder of the dist/assets/ folder of the production site.

Compile Sass task

js
function compileSASS() {
  return src(['src/assets/sass/bulma.sass'])
    .pipe(sass({
      outputStyle: 'compressed',
      sourceComments: 'map',
      sourceMap: 'sass',
      includePaths: bourbon
    }).on('error', sass.logError))
    .pipe(autoprefixer('last 2 versions'))
    .pipe(dest('dist/assets/css'))
    .pipe(browserSync.stream());
}

Gulp uses this task to compile the bulma source files into a single css file. it then copies this file in dist/assets/css/.

Compile Scss task

js
function compileSCSS() {
  return src(['src/assets/scss/main.scss', 'src/assets/scss/demo.scss'])
    .pipe(sass({
      outputStyle: 'compressed',
      sourceComments: 'map',
      sourceMap: 'scss',
      includePaths: bourbon
    }).on('error', sass.logError))
    .pipe(autoprefixer('last 2 versions'))
    .pipe(dest('dist/assets/css'))
    .pipe(browserSync.stream());
}

Gulp uses this task to compile the Huro Scss source files into a single css file (main.css). it then copies this file in dist/assets/css/.

Compile Html task

js
function compileHTML() {
  panini.refresh();
  return src('src/pages/**/*.html')
    .pipe(panini({
      root: 'src/pages/',
      layouts: 'src/layouts/',
      partials: 'src/partials/',
      helpers: 'src/helpers/',
      data: 'src/data/'
    }))
    .pipe(dest('dist'))
    .pipe(browserSync.stream());
}

Gulp uses this task to compile all the changes you make to the template html files. It triggers a refresh from Panini to update your templates before rendering.

Compile js task

js
function compileJS() {
  return src([
      'src/assets/js/_data-wishlist.js',
      'src/assets/js/_data-addresses.js',
      'src/assets/js/_data-orders.js',
      'src/assets/js/functions.js',
      'src/assets/js/Huro.js',
      'src/assets/js/authentication.js',
      'src/assets/js/cart.js',
      'src/assets/js/account.js',
      'src/assets/js/wishlist.js',
      'src/assets/js/product.js',
      'src/assets/js/orders.js',
      'src/assets/js/order.js',
      'src/assets/js/checkout.js',
      'src/assets/js/search.js',
      'src/assets/js/demo.js',
      'src/assets/js/elements.js',
    ])
    .pipe(babel())
    .pipe(dest('dist/assets/js/'))
    .pipe(browserSync.stream());
}

Gulp uses this task to copy all your custom javascript to the distribution folder.

Gulp commands

We have now seen that there are a lot of ready to use tasks for gulp. While you can run some of the above tasks individually, let's now see the available commands that make use of multiple tasks at once.

gulp dev

Builds the project and runs a dev server. It runs several tasks that we defined above. Run it by typing this command in your terminal window, at the root of the project :

gulp dev

Here is what happens when you run gulp dev :

  • Gulp deletes the dist folder
  • Then, gulp executes all assets copying and compilation tasks :
js
series(cleanDist, copyFont, copyData, jsVendor, cssVendor, copyImages, compileHTML, concatPlugins, concatCssPlugins, compileJS, resetPages, prettyHTML, compileSASS, compileSCSS, browserSyncInit, watchFiles);

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