feat(code-stripping): remove classCallChecks for perf, strip unused c…

…ode from builds

addon/-debug/helpers.js

@@ -0,0 +1,32 @@
+import Ember from 'ember';
+
+const {
+  assert: emberAssert,
+  warn: emberWarn,
+  deprecate: emberDeprecate,
+  Logger
+} = Ember;
+
+export function instrument(cb) {
+  cb();
+}
+
+export function debug() {
+  Logger.debug(...arguments);
+}
+
+export function assert() {
+  emberAssert(...arguments);
+}
+
+export function warn() {
+  emberWarn(...arguments);
+}
+
+export function deprecate() {
+  emberDeprecate(...arguments);
+}
+
+export function stripInProduction(cb) {
+  cb();
+}

addon/components/vertical-collection/component.js

@@ -6,7 +6,7 @@ import getTagDescendant from '../../utils/get-tag-descendant';
 import proxied from '../../utils/proxied-array';
 import ListRadar from '../../-private/radar/models/list-radar';
 import identity from '../../-private/ember/utils/identity';
-
+import { stripInProduction } from 'smoke-and-mirrors/-debug/helpers';
 const {
   get,
   computed,
@@ -960,7 +960,7 @@ VerticalCollection.reopenClass({
   positionalParams: ['items']
 });
 
-Ember.runInDebug(() => {
+stripInProduction(() => {
   VerticalCollection.reopen(DebugMixin);
 });
 

index.js

@@ -3,11 +3,52 @@
 'use strict';
 
 var chalk = require('chalk');
+var stripClassCallCheck = require('babel5-plugin-strip-class-callcheck');
+var filterImports = require('babel-plugin-filter-imports');
+var Funnel = require('broccoli-funnel');
 
 module.exports = {
   name: 'smoke-and-mirrors',
 
+  init: function() {
+    this._super.init && this._super.init.apply(this, arguments);
+
+    this.options = this.options || {};
+  },
+
+  _hasSetupBabelOptions: false,
+  _setupBabelOptions: function(env) {
+    if (this._hasSetupBabelOptions) {
+      return;
+    }
+
+    var babelOptions = this.options.babel = this.options.babel || {};
+
+    babelOptions.plugins = babelOptions.plugins || [];
+    babelOptions.plugins.push({ transformer: stripClassCallCheck, position: 'after' });
+
+    if (/production/.test(env)) {
+      babelOptions.plugins.push(
+        filterImports({
+        'smoke-and-mirrors/-debug/helpers': [
+          'assert',
+          'warn',
+          'debug',
+          'instrument',
+          'deprecate',
+          'stripInProduction'
+        ]})
+      );
+    }
+
+    this._hasSetupBabelOptions = true;
+  },
+
   included: function(app) {
+    this._super.included.apply(this, arguments);
+
+    this._setupBabelOptions(app.env);
+
     if (!/production/.test(app.env)) {
       console.info(
         chalk.grey("\n===================================================================\n") +
@@ -21,6 +62,16 @@ module.exports = {
     }
   },
 
+  treeForAddon: function() {
+    var tree = this._super.treeForAddon.apply(this, arguments);
+
+    if (/production/.test(this.app.env)) {
+      tree = new Funnel(tree, { exclude: [ /-debug/ ] });
+    }
+
+    return tree;
+  },
+
   isDevelopingAddon: function() {
     return false;
   }

package.json

@@ -62,6 +62,9 @@
     "ember-addon"
   ],
   "dependencies": {
+    "babel-plugin-filter-imports": "^0.2.1",
+    "babel5-plugin-strip-class-callcheck": "^5.1.0",
+    "broccoli-funnel": "^1.0.7",
     "chalk": "^1.1.3",
     "ember-cli-babel": "^5.1.6",
     "ember-cli-htmlbars": "^1.0.3",