issue/2647 add es6-8 support

grunt/config/babel.js

@@ -0,0 +1,30 @@
+module.exports = {
+  options: {
+    sourceMap: true,
+    inputSourceMap: true,
+    sourceType: 'script',
+    minified: true,
+    comments: false,
+    presets: [
+      [
+        '@babel/preset-env',
+        {
+          "targets": {
+            "ie": "11"
+          }
+        }
+      ]
+    ]
+  },
+  dist: {
+    files: [{
+      "expand": true,
+      "cwd": "<%= tempdir %>",
+      "src": [
+        "adapt.min.js"
+      ],
+      "dest": "<%= outputdir %>adapt/js/",
+      "ext": ".min.js"
+    }]
+  }
+};

grunt/config/clean.js

@@ -15,5 +15,10 @@ module.exports = {
     src: [
       '<%= outputdir %>'
     ]
+  },
+  temp: {
+    src: [
+      '<%= tempdir %>'
+    ]
   }
 };

grunt/config/javascript.js

@@ -5,7 +5,7 @@ module.exports = function(grunt, options) {
         name: 'core/js/app',
         baseUrl: '<%= sourcedir %>',
         mainConfigFile: './config.js',
-        out: '<%= outputdir %>adapt/js/adapt.min.js',
+        out: '<%= tempdir %>adapt.min.js',
         // fetch these bower plugins an add them as dependencies to the app.js
         plugins: [
           '<%= sourcedir %>components/*/bower.json',
@@ -37,7 +37,7 @@ module.exports = function(grunt, options) {
         name: 'core/js/app',
         baseUrl: '<%= sourcedir %>',
         mainConfigFile: './config.js',
-        out: '<%= outputdir %>adapt/js/adapt.min.js',
+        out: '<%= tempdir %>adapt.min.js',
         // fetch these bower plugins an add them as dependencies to the app.js
         plugins: [
           '<%= sourcedir %>components/*/bower.json',
@@ -51,10 +51,7 @@ module.exports = function(grunt, options) {
           return grunt.config('helpers').includedFilter(filepath);
         },
         preserveLicenseComments: false,
-        optimize: 'uglify2',
-        uglify2: {
-          compress: false
-        }
+        optimize: 'none'
       }
     }
   };

grunt/config/watch.js

@@ -26,7 +26,7 @@ module.exports = {
   },
   js: {
     files: ['<%= sourcedir %>**/*.js'],
-    tasks: ['javascript:dev']
+    tasks: ['javascript:dev', 'babel', 'clean:temp']
   },
   componentsAssets: {
     files: ['<%= sourcedir %>components/**/assets/**'],

grunt/helpers.js

@@ -184,6 +184,7 @@ module.exports = function(grunt) {
     var root = __dirname.split(path.sep).slice(0, -1).join(path.sep);
     var sourcedir = appendSlash(grunt.option('sourcedir')) || exports.defaults.sourcedir;
     var outputdir = appendSlash(grunt.option('outputdir')) || exports.defaults.outputdir;
+    var tempdir = outputdir + '.temp/';
     var jsonext = grunt.option('jsonext') || exports.defaults.jsonext;
 
     var languageFolders = '';
@@ -210,6 +211,7 @@ module.exports = function(grunt) {
       root: root,
       sourcedir: sourcedir,
       outputdir: outputdir,
+      tempdir: tempdir,
       jsonext: jsonext,
       theme: grunt.option('theme') || exports.defaults.theme,
       menu: grunt.option('menu') || exports.defaults.menu,

grunt/tasks/build.js

@@ -13,10 +13,12 @@ module.exports = function(grunt) {
     'create-json-config',
     'tracking-insert',
     'javascript:compile',
+    'babel',
     'clean:dist',
     'less:compile',
     'replace',
     'scripts:adaptpostbuild',
+    'clean:temp',
     'minify'
   ]);
 };

grunt/tasks/dev.js

@@ -12,9 +12,11 @@ module.exports = function(grunt) {
     'create-json-config',
     'tracking-insert',
     'javascript:dev',
+    'babel',
     'less:dev',
     'replace',
     'scripts:adaptpostbuild',
+    'clean:temp',
     'watch'
   ]);
 };

grunt/tasks/diff.js

@@ -12,8 +12,10 @@ module.exports = function(grunt) {
     'create-json-config',
     'tracking-insert',
     'newer:javascript:dev',
+    'babel',
     'newer:less:dev',
     'replace',
-    'scripts:adaptpostbuild'
+    'scripts:adaptpostbuild',
+    'clean:temp'
   ]);
 };

grunt/tasks/server-build.js

@@ -12,8 +12,10 @@ module.exports = function(grunt) {
       'less:' + requireMode,
       'handlebars',
       'javascript:' + requireMode,
+      'babel',
       'replace',
-      'scripts:adaptpostbuild'
+      'scripts:adaptpostbuild',
+      'clean:temp'
     ]);
   });
 };

package.json

@@ -15,11 +15,16 @@
         "url": "https://github.com/adaptlearning/adapt_framework/issues"
     },
     "dependencies": {
+        "@babel/core": "^7.8.4",
+        "@babel/preset-env": "^7.8.4",
+        "@types/backbone": "^1.4.1",
+        "@types/jquery": "^3.3.31",
         "async": "^2.6.1",
         "chalk": "^2.4.1",
         "columnify": "^1.5.4",
         "csv": "^5.0.0",
         "grunt": "^1.0.3",
+        "grunt-babel": "^8.0.0",
         "grunt-concurrent": "^2.3.1",
         "grunt-contrib-clean": "^2.0.0",
         "grunt-contrib-connect": "^2.0.0",
@@ -36,8 +41,6 @@
         "jit-grunt": "^0.10.0",
         "jschardet": "^1.6.0",
         "jshint-stylish": "^2.2.1",
-        "@types/jquery": "^3.3.31",
-        "@types/backbone": "^1.4.1",
         "less": "^3.9.0",
         "load-grunt-config": "^1.0.1",
         "nsdeclare": "^0.1.0",

src/core/libraries/backbone.controller.js

@@ -10,6 +10,7 @@ define("backbone.controller", [
 
   var Controller = Backbone.Controller = function(options) {
     options || (options = {});
+    this.preinitialize.apply(this, arguments);
     _.extend(this, _.pick(options, controllerOptions));
     this.initialize.apply(this, arguments);
   };
@@ -18,6 +19,8 @@ define("backbone.controller", [
 
   _.extend(Controller.prototype, Backbone.Events, {
 
+    preinitialize: function() {},
+
     initialize: function() {}
 
   });

src/core/required/adapt/js/scriptLoader.js

@@ -62,7 +62,7 @@
         }
       },
       paths: {
-        promise: 'libraries/promise-polyfill.min',
+        polyfill: 'libraries/polyfill.min',
         jquery: 'libraries/jquery.min',
         underscore: 'libraries/underscore.min',
         'underscore.results': 'libraries/underscore.results',
@@ -108,7 +108,7 @@
   function loadFoundationLibraries() {
     require([
       'handlebars',
-      'promise',
+      'polyfill',
       'underscore',
       'underscore.results',
       'backbone',