strip class call check

benchmarks/config.js

@@ -1,7 +1,7 @@
 module.exports = {
   "slugs": [
-    "simple-find-all"
-    // "simple-find-all-one"
+    //"simple-find-all"
+    "simple-find-all-one"
     // "simple-find-all-tons"
     // "complex-find-all"
   ],

ember-cli-build.js

@@ -6,7 +6,9 @@ var yuidoc   = require('./lib/yuidoc');
 
 module.exports = function(defaults) {
   var app = new EmberApp(defaults, {
-    // Add options here
+    babel: {
+      externalHelpers: true
+    }
   });
 
   /*

index.js

@@ -108,6 +108,7 @@ module.exports = {
     this.options.babel = this.options.babel || {};
     add(this.options.babel, 'blacklist', ['es6.modules', 'useStrict']);
     add(this.options.babel, 'plugins', require('./lib/stripped-build-plugins')(process.env.EMBER_ENV));
+    this.options.babel.externalHelpers = { outputType: "global" };
 
     this._hasSetupBabelOptions = true;
   },

lib/babel-build.js

@@ -18,6 +18,7 @@ function babelOptions(libraryName, _options) {
       'es6.constants',
       'es6.modules'
     ],
+    externalHelpers: true,
     sourceMaps: false,
     modules: 'amdStrict',
     moduleRoot: libraryName,

lib/strip-class-callcheck.js

@@ -0,0 +1,29 @@
+var path = require('path');
+
+function stripClassCallCheck(babel) {
+  return new babel.Plugin('strip-class-call-check', {
+    visitor: {
+      ExpressionStatement: function(node, path, options) {
+        if (node.expression.type === 'CallExpression' &&
+          node.expression.callee &&
+          node.expression.callee.type === 'MemberExpression' &&
+          node.expression.callee.object.name === 'babelHelpers' &&
+          node.expression.callee.property.name === 'classCallCheck') {
+
+          if (path.body && path.body.length) {
+            path.body = path.body.filter(function(item) {
+              return item !== node;
+            });
+          }
+        }
+      }
+    }
+  });
+}
+
+stripClassCallCheck.baseDir = function() {
+  return path.join(__dirname, '..');
+};
+
+
+module.exports = stripClassCallCheck;

lib/stripped-build-plugins.js

@@ -3,6 +3,7 @@ var path          = require('path');
 var filterImports = require('babel-plugin-filter-imports');
 var featureFlags  = require('babel-plugin-feature-flags');
 var stripHeimdall = require('./babel-plugin-strip-heimdall');
+var stripClassCallcheck = require('./strip-class-callcheck');
 
 module.exports = function(environment) {
   var featuresJsonPath = __dirname + '/../config/features.json';
@@ -21,7 +22,8 @@ module.exports = function(environment) {
     featureFlags({
       import: { module: 'ember-data/-private/features' },
       features: features
-    })
+    }),
+    stripClassCallcheck
   ];
 
   if (environment === 'production') {