chore: update from babel5 to babel6

Upgrading to babel6 allows us to use the babel-plugin-debug-macros plugin in a future change.

Prep work for ember-cli#114

Author: Lenny Burdette

build.js

@@ -3,18 +3,19 @@
 var babel = require('babel-core');
 var transform = babel.transform;
 var fs = require('fs');
-var stripHeimdall = require('babel5-plugin-strip-heimdall');
 var mkdirp = require('mkdirp').sync;
 
 mkdirp('./dist/loader');
 var source = fs.readFileSync('./lib/loader/loader.js', 'utf8');
 var instrumented = transform(source, {
-  whitelist: ['es6.destructuring']
+  plugins: ['transform-es2015-destructuring']
 }).code;
 
 var stripped = transform(source, {
-  plugins: [stripHeimdall],
-  whitelist: ['es6.destructuring']
+  plugins: [
+    'transform-es2015-destructuring',
+    'babel6-plugin-strip-heimdall'
+  ],
 }).code;
 
 fs.writeFileSync('./dist/loader/loader.instrument.js', instrumented);

lib/loader/loader.js

@@ -4,28 +4,16 @@ var loader, define, requireModule, require, requirejs;
   'use strict';
 
   var heimdall = global.heimdall;
-  var {
-    define: __define,
-    require: __require,
-    exports: __exports,
-    findModule: __findModule,
-    resolve: __resolve,
-    reify,
-    findDeps,
-    modules,
-    resolveRelative,
-    pendingQueueLength
-  } = heimdall.registerMonitor('loaderjs',
-  'define',
-  'require',
-  'reify',
-  'findDeps',
-  'modules',
-  'exports',
-  'resolve',
-  'resolveRelative',
-  'findModule',
-  'pendingQueueLength');
+  var __define = heimdall.registerMonitor('loaderjs', 'define');
+  var __exports = heimdall.registerMonitor('loaderjs', 'exports');
+  var __findModule = heimdall.registerMonitor('loaderjs', 'findModule');
+  var __require = heimdall.registerMonitor('loaderjs', 'require');
+  var __resolve = heimdall.registerMonitor('loaderjs', 'resolve');
+  var findDeps = heimdall.registerMonitor('loaderjs', 'findDeps');
+  var modules = heimdall.registerMonitor('loaderjs', 'modules');
+  var pendingQueueLength = heimdall.registerMonitor('loaderjs', 'pendingQueueLength');
+  var reify = heimdall.registerMonitor('loaderjs', 'reify');
+  var resolveRelative = heimdall.registerMonitor('loaderjs', 'resolveRelative');
 
   function dict() {
     var obj = Object.create(null);

package.json

@@ -9,8 +9,9 @@
   "dependencies": {},
   "devDependencies": {
     "ara": "0.0.3",
-    "babel-core": "^5.0.0",
-    "babel5-plugin-strip-heimdall": "^5.0.2",
+    "babel-core": "^6.25.0",
+    "babel-plugin-transform-es2015-destructuring": "^6.23.0",
+    "babel6-plugin-strip-heimdall": "^6.0.1",
     "heimdalljs": "^0.3.2",
     "jscs": "^2.11.0",
     "jshint": "^2.9.2",