edlp_d8/web/modules/custom/gulpfile.js

/**
 * @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';

var gulp = require('gulp');
var gulpif = require('gulp-if');
var sass = require('gulp-sass');
var watch = require('gulp-watch');
var autoprefixer = require('gulp-autoprefixer');
var stripDebug = require('gulp-strip-debug');
var jsmin = require('gulp-jsmin');
var cssmin = require('gulp-cssmin');
var rename = require('gulp-rename');
// var mainBowerFiles = require('main-bower-files');
var es = require('event-stream');

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

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

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

gulp.task('scripts', function (done) {
  return new Promise(function(resolve, reject) {
    modules.map(function(module) {
      gulp.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();
  });
});

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