gulp_tasks/distribution.js

/*eslint-env node */
/*global require: true, module: true */

'use strict';

var options = require('../gulp-options.js'), gulp = require('gulp'),
    clean = require('gulp-clean'), webapp = require('./webapp.js'),
    imagemin = require('gulp-imagemin');

var runSequence = require('run-sequence');

gulp.task('webapp', function(callback) {
  return webapp(callback);
});

gulp.task('distribution:clean', function() {
  return gulp.src([options.dirname + '/dist'], {'read': false}).pipe(clean({
    'force': true
  }));
});

gulp.task('distribution:copy', function() {
  return gulp.src(['**/*'], {'cwd': options.targetFolderPath + '/webapp'})
      .pipe(gulp.dest(options.dirname + '/dist'));
});

gulp.task(
    'imagemin',
    () => gulp.src([options.dirname + '/app/assets/images/*'])
              .pipe(imagemin({
                optimizationLevel: 3,
                progressive: true,
                interlaced: false,
                svgoPlugins: [{removeViewBox: false}]
              }))
              .pipe(gulp.dest('dist/assets/images')));

module.exports = function(callback) {
  return runSequence(
      'distribution:clean', 'webapp', 'distribution:copy', 'imagemin',
      callback);
};