edlp_d8/web/modules/custom/gulpfile.mjs

/**
 * @Author: Bachir Soussi Chiadmi <bach>
 * @Date:   20-12-2017
 * @Email:  bachir@figureslibres.io
 * @Filename: gulpfile.js
 * @Last modified by:   bach
 * @Last modified time: 20-12-2017
 * @License: GPL-V3
 */

'use strict';

import gulp from 'gulp';
const { series, src, dest, watch } = gulp;
import gulpif from 'gulp-if';
import * as dartSass from 'sass';
import gulpSass from 'gulp-sass';
const sass = gulpSass(dartSass);
import autoprefixer from 'gulp-autoprefixer';
import stripDebug from 'gulp-strip-debug';
import jsmin from 'gulp-jsmin';
import cssmin from 'gulp-cssmin';
import rename from 'gulp-rename';
import minimist from 'minimist';

// var es = require('event-stream');

var modules = ['edlp_corpus', 'edlp_studio', 'edlp_search'];

// to get minified assets run `gulp --env=prod`
var argv = minimist(process.argv.slice(2));
console.dir(argv);
var prod = argv.env == 'prod' ? true : false;

function handleError(err) {
  console.log(err.toString());
}

function scripts() {
  return new Promise(function(resolve, reject) {
    modules.map(function(module) {
      src('./'+module+'/assets/scripts/*.js')
        .pipe(gulpif(prod, stripDebug()))
        .pipe(gulpif(prod, jsmin()))
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest('./'+module+'/assets/dist/scripts/'));
    });
    resolve();
  });
};

function styles() {
  return new Promise(function(resolve, reject) {
    modules.map(function(module) {
      src('./'+module+'/assets/styles/*.scss')
        .pipe(sass().on('error', sass.logError))
        .pipe(autoprefixer({
            cascade: false
        })).on('error', handleError)
        .pipe(gulpif(prod, cssmin()))
        // .pipe(cssmin())
        .pipe(rename({suffix: '.min'}))
        .pipe(gulp.dest('./'+module+'/assets/dist/styles/'));
    });
    resolve();
  });
};

// default gulp task
function defaultTask () {
  series('scripts', 'styles', done => {
    for (var i = 0; i < modules.length; i++) {
      watch('./'+modules[i]+'/assets/styles/*.scss', series('styles'));
      watch('./'+modules[i]+'/assets/scripts/*.js', series('scripts'));
    }
    done()
  })
};

function devwatch(){
  watch('./assets/styles/*.scss', series('styles'));
  watch('./assets/styles/base/*.scss', series('styles'));
  watch('./assets/scripts/*.js', series('scripts'));
}

export {
  scripts as scripts,
  styles as styles,
  devwatch as devwatch,
  defaultTask as default
}