Add minified versions and build process

docs/js/plyr-ads.js

@@ -2,7 +2,7 @@
 
 // ==========================================================================
 // Plyr-Ads
-// plyr-ads.js v1.0.9
+// plyr-ads.js v1.1.0
 // https://github.com/ferdiemmen/plyr-ads
 // License: The MIT License (MIT)
 // ==========================================================================
@@ -34,16 +34,15 @@
 
   // Default config
   let defaults = {
-    container: 'plyr-ads',
-    classes: [],
+    adTagUrl: '',
     skipButton: {
       enabled: true,
       text: 'Skip ad',
       delay: 10
     }
   };
 
-  // Check letiable types.
+  // Check variable types.
   let _is = {
     object: function (input) {
       return input !== null && typeof (input) === 'object';

gulpfile.js

@@ -1,8 +1,14 @@
 'use strict';
 
-let gulp            = require('gulp');
-let sass            = require('gulp-sass');
-let browserSync     = require('browser-sync');
+const gulp            = require('gulp');
+const gutil           = require('gulp-util');
+const babel           = require('gulp-babel');
+const sass            = require('gulp-sass');
+const cssnano         = require('gulp-cssnano');
+const postcss         = require('gulp-postcss');
+const rename          = require('gulp-rename');
+const uglify          = require('gulp-uglify');
+const browserSync     = require('browser-sync');
 
 
 gulp.task('demo', ['demo:build'], () => {
@@ -39,4 +45,50 @@ gulp.task('demo:build:js', () => {
   return gulp.src('./src/js/plyr-ads.js')
     .pipe(gulp.dest('./docs/js'))
     .pipe(browserSync.reload({stream: true}));
-})
+});
+
+gulp.task('build', [
+  'build:css',
+  'build:js'
+], (done) => {
+
+  done();
+});
+
+
+gulp.task('build:css', () => {
+
+  return gulp.src('./src/scss/plyr-ads.scss')
+    .pipe(sass({
+      outputStyle: 'compressed'
+    }).on('error', sass.logError))
+    .pipe(postcss([require('autoprefixer'), require('precss')]))
+    .pipe(cssnano({
+      zindex: false
+    }))
+    .pipe(rename('plyr-ads.min.css'))
+    .pipe(gulp.dest('./dist'))
+});
+
+
+gulp.task('build:js', () => {
+
+  return gulp.src('./src/js/plyr-ads.js')
+    .pipe(babel({
+      presets: ['es2015']
+    }))
+    .pipe(uglify({
+      preserveComments: false,
+      mangle: true,
+      sequences: true,
+      dead_code: true,
+      conditionals: true,
+      booleans: true,
+      unused: true,
+      if_return: true,
+      join_vars: true,
+      drop_console: true,
+    })).on('error', gutil.log)
+    .pipe(rename('plyr-ads.min.js'))
+    .pipe(gulp.dest('./dist'));
+});