From dd9dd6114b2555b9b613c9310c0a751cced588b9 Mon Sep 17 00:00:00 2001
From: Stefan Penner <stefan.penner@gmail.com>
Date: Mon, 15 Jun 2015 01:41:34 -0400
Subject: [PATCH] [CLEANUP Beta] isArray Prefer Array.isArray for ember-metal
 variant, but not runtime variant
MIME-Version: 1.0
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(╯°□°）╯︵ ʎɐɹɹɐsı¬
---
 .../ember-htmlbars/lib/helpers/-bind-attr-class.js  |  3 +--
 packages/ember-metal/lib/get_properties.js          |  3 +--
 packages/ember-metal/lib/mixin.js                   |  5 ++---
 packages/ember-metal/lib/utils.js                   | 13 ++-----------
 packages/ember-metal/lib/watch_key.js               |  5 ++---
 packages/ember-metal/lib/watch_path.js              |  5 ++---
 packages/ember-metal/lib/watching.js                |  8 ++------
 packages/ember-routing/lib/system/route.js          |  5 ++---
 .../ember-runtime/lib/computed/reduce_computed.js   |  5 ++---
 .../lib/computed/reduce_computed_macros.js          |  3 +--
 packages/ember-runtime/lib/copy.js                  |  3 +--
 packages/ember-runtime/lib/main.js                  |  6 +++---
 packages/ember-runtime/lib/mixins/mutable_array.js  |  4 ++--
 packages/ember-runtime/lib/utils.js                 |  3 +--
 .../ember-views/lib/mixins/class_names_support.js   |  7 ++-----
 15 files changed, 26 insertions(+), 52 deletions(-)

diff --git a/packages/ember-htmlbars/lib/helpers/-bind-attr-class.js b/packages/ember-htmlbars/lib/helpers/-bind-attr-class.js
index 651b0e4a158..6a5121371b7 100644
--- a/packages/ember-htmlbars/lib/helpers/-bind-attr-class.js
+++ b/packages/ember-htmlbars/lib/helpers/-bind-attr-class.js
@@ -4,12 +4,11 @@
 */
 
 import { get } from 'ember-metal/property_get';
-import { isArray } from 'ember-metal/utils';
 
 export default function bindAttrClassHelper(params) {
   var value = params[0];
 
-  if (isArray(value)) {
+  if (Array.isArray(value)) {
     value = get(value, 'length') !== 0;
   }
 
diff --git a/packages/ember-metal/lib/get_properties.js b/packages/ember-metal/lib/get_properties.js
index 80031fd6a2a..414482b8d46 100644
--- a/packages/ember-metal/lib/get_properties.js
+++ b/packages/ember-metal/lib/get_properties.js
@@ -1,5 +1,4 @@
 import { get } from 'ember-metal/property_get';
-import { isArray } from 'ember-metal/utils';
 
 /**
   To get multiple properties at once, call `Ember.getProperties`
@@ -29,7 +28,7 @@ export default function getProperties(obj) {
   var propertyNames = arguments;
   var i = 1;
 
-  if (arguments.length === 2 && isArray(arguments[1])) {
+  if (arguments.length === 2 && Array.isArray(arguments[1])) {
     i = 0;
     propertyNames = arguments[1];
   }
diff --git a/packages/ember-metal/lib/mixin.js b/packages/ember-metal/lib/mixin.js
index 10bddf91ec2..655d44c70f8 100644
--- a/packages/ember-metal/lib/mixin.js
+++ b/packages/ember-metal/lib/mixin.js
@@ -16,8 +16,7 @@ import {
   guidFor,
   meta as metaFor,
   wrap,
-  makeArray,
-  isArray
+  makeArray
 } from 'ember-metal/utils';
 import expandProperties from 'ember-metal/expand_properties';
 import {
@@ -221,7 +220,7 @@ function applyConcatenatedProperties(obj, key, value, values) {
 function applyMergedProperties(obj, key, value, values) {
   var baseValue = values[key] || obj[key];
 
-  Ember.assert(`You passed in \`${JSON.stringify(value)}\` as the value for \`${key}\` but \`${key}\` cannot be an Array`, !isArray(value));
+  Ember.assert(`You passed in \`${JSON.stringify(value)}\` as the value for \`${key}\` but \`${key}\` cannot be an Array`, !Array.isArray(value));
 
   if (!baseValue) { return value; }
 
diff --git a/packages/ember-metal/lib/utils.js b/packages/ember-metal/lib/utils.js
index 387f36aa0cc..97af9560aca 100644
--- a/packages/ember-metal/lib/utils.js
+++ b/packages/ember-metal/lib/utils.js
@@ -719,14 +719,6 @@ var deprecatedTryCatchFinally = function() {
 
 var toString = Object.prototype.toString;
 
-var isArray = Array.isArray || function(value) {
-  return value !== null &&
-         value !== undefined &&
-         typeof value === 'object' &&
-         typeof value.length === 'number' &&
-         toString.call(value) === '[object Array]';
-};
-
 /**
   Forces the passed object to be part of an array. If the object is already
   an array, it will return the object. Otherwise, it will add the object to
@@ -752,7 +744,7 @@ var isArray = Array.isArray || function(value) {
 */
 export function makeArray(obj) {
   if (obj === null || obj === undefined) { return []; }
-  return isArray(obj) ? obj : [obj];
+  return Array.isArray(obj) ? obj : [obj];
 }
 
 /**
@@ -776,7 +768,7 @@ export function inspect(obj) {
   if (obj === undefined) {
     return 'undefined';
   }
-  if (isArray(obj)) {
+  if (Array.isArray(obj)) {
     return '[' + obj + ']';
   }
   // for non objects
@@ -853,7 +845,6 @@ export {
   META_DESC,
   EMPTY_META,
   meta,
-  isArray,
   makeArray,
   tryCatchFinally,
   deprecatedTryCatchFinally,
diff --git a/packages/ember-metal/lib/watch_key.js b/packages/ember-metal/lib/watch_key.js
index f41f8fc1b4f..473b49989a8 100644
--- a/packages/ember-metal/lib/watch_key.js
+++ b/packages/ember-metal/lib/watch_key.js
@@ -1,7 +1,6 @@
 import isEnabled from 'ember-metal/features';
 import {
-  meta as metaFor,
-  isArray
+  meta as metaFor
 } from 'ember-metal/utils';
 import {
   MANDATORY_SETTER_FUNCTION,
@@ -10,7 +9,7 @@ import {
 
 export function watchKey(obj, keyName, meta) {
   // can't watch length on Array - it is special...
-  if (keyName === 'length' && isArray(obj)) { return; }
+  if (keyName === 'length' && Array.isArray(obj)) { return; }
 
   var m = meta || metaFor(obj);
   var watching = m.watching;
diff --git a/packages/ember-metal/lib/watch_path.js b/packages/ember-metal/lib/watch_path.js
index cb2e623314d..a5d67dc4f10 100644
--- a/packages/ember-metal/lib/watch_path.js
+++ b/packages/ember-metal/lib/watch_path.js
@@ -1,6 +1,5 @@
 import {
-  meta as metaFor,
-  isArray
+  meta as metaFor
 } from 'ember-metal/utils';
 import { ChainNode } from 'ember-metal/chains';
 
@@ -20,7 +19,7 @@ function chainsFor(obj, meta) {
 
 export function watchPath(obj, keyPath, meta) {
   // can't watch length on Array - it is special...
-  if (keyPath === 'length' && isArray(obj)) { return; }
+  if (keyPath === 'length' && Array.isArray(obj)) { return; }
 
   var m = meta || metaFor(obj);
   var watching = m.watching;
diff --git a/packages/ember-metal/lib/watching.js b/packages/ember-metal/lib/watching.js
index 86cc22ac835..8c36c569629 100644
--- a/packages/ember-metal/lib/watching.js
+++ b/packages/ember-metal/lib/watching.js
@@ -2,9 +2,6 @@
 @module ember-metal
 */
 
-import {
-  isArray
-} from 'ember-metal/utils';
 import {
   removeChainWatcher,
   flushPendingChains
@@ -17,7 +14,6 @@ import {
   watchPath,
   unwatchPath
 } from 'ember-metal/watch_path';
-
 import {
   isPath
 } from 'ember-metal/path_cache';
@@ -37,7 +33,7 @@ import {
 */
 function watch(obj, _keyPath, m) {
   // can't watch length on Array - it is special...
-  if (_keyPath === 'length' && isArray(obj)) { return; }
+  if (_keyPath === 'length' && Array.isArray(obj)) { return; }
 
   if (!isPath(_keyPath)) {
     watchKey(obj, _keyPath, m);
@@ -57,7 +53,7 @@ watch.flushPending = flushPendingChains;
 
 export function unwatch(obj, _keyPath, m) {
   // can't watch length on Array - it is special...
-  if (_keyPath === 'length' && isArray(obj)) { return; }
+  if (_keyPath === 'length' && Array.isArray(obj)) { return; }
 
   if (!isPath(_keyPath)) {
     unwatchKey(obj, _keyPath, m);
diff --git a/packages/ember-routing/lib/system/route.js b/packages/ember-routing/lib/system/route.js
index 5683d06f10e..5f93bff5ab0 100644
--- a/packages/ember-routing/lib/system/route.js
+++ b/packages/ember-routing/lib/system/route.js
@@ -8,7 +8,6 @@ import isNone from 'ember-metal/is_none';
 import { computed } from 'ember-metal/computed';
 import merge from 'ember-metal/merge';
 import {
-  isArray,
   typeOf
 } from 'ember-runtime/utils';
 import run from 'ember-metal/run_loop';
@@ -172,7 +171,7 @@ var Route = EmberObject.extend(ActionHandler, Evented, {
       var urlKey = desc.as || this.serializeQueryParamKey(propName);
       var defaultValue = get(controllerProto, propName);
 
-      if (isArray(defaultValue)) {
+      if (Array.isArray(defaultValue)) {
         defaultValue = Ember.A(defaultValue.slice());
       }
 
@@ -2198,7 +2197,7 @@ function getQueryParamsFor(route, state) {
 }
 
 function copyDefaultValue(value) {
-  if (isArray(value)) {
+  if (Array.isArray(value)) {
     return Ember.A(value.slice());
   }
   return value;
diff --git a/packages/ember-runtime/lib/computed/reduce_computed.js b/packages/ember-runtime/lib/computed/reduce_computed.js
index 527cbcd5e10..a84adb1530e 100644
--- a/packages/ember-runtime/lib/computed/reduce_computed.js
+++ b/packages/ember-runtime/lib/computed/reduce_computed.js
@@ -2,8 +2,7 @@ import Ember from 'ember-metal/core'; // Ember.assert
 import { get as e_get } from 'ember-metal/property_get';
 import {
   guidFor,
-  meta as metaFor,
-  isArray
+  meta as metaFor
 } from 'ember-metal/utils';
 import EmberError from 'ember-metal/error';
 import {
@@ -520,7 +519,7 @@ function ReduceComputedProperty(options) {
         Ember.assert(
           'dependent array ' + dependentKey + ' must be an `Ember.Array`.  ' +
           'If you are not extending arrays, you will need to wrap native arrays with `Ember.A`',
-          !(isArray(get(this, dependentKey)) && !EmberArray.detect(get(this, dependentKey))));
+          !(Array.isArray(get(this, dependentKey)) && !EmberArray.detect(get(this, dependentKey))));
 
         if (!partiallyRecomputeFor(this, dependentKey)) { return; }
 
diff --git a/packages/ember-runtime/lib/computed/reduce_computed_macros.js b/packages/ember-runtime/lib/computed/reduce_computed_macros.js
index 1e86e2991cf..0cd149833d9 100644
--- a/packages/ember-runtime/lib/computed/reduce_computed_macros.js
+++ b/packages/ember-runtime/lib/computed/reduce_computed_macros.js
@@ -6,7 +6,6 @@
 import Ember from 'ember-metal/core'; // Ember.assert
 import { get } from 'ember-metal/property_get';
 import {
-  isArray,
   guidFor
 } from 'ember-metal/utils';
 import EmberError from 'ember-metal/error';
@@ -772,7 +771,7 @@ function propertySort(itemsKey, sortPropertiesKey) {
         var sortProperty, idx, asc;
 
         Ember.assert('Cannot sort: \'' + sortPropertiesKey + '\' is not an array.',
-                     isArray(sortPropertyDefinitions));
+                     Array.isArray(sortPropertyDefinitions));
 
         changeMeta.property.clearItemPropertyKeys(itemsKey);
 
diff --git a/packages/ember-runtime/lib/copy.js b/packages/ember-runtime/lib/copy.js
index f3440fe48a4..1a5ca10aeaf 100644
--- a/packages/ember-runtime/lib/copy.js
+++ b/packages/ember-runtime/lib/copy.js
@@ -1,5 +1,4 @@
 import Ember from 'ember-metal/core';
-import { isArray } from 'ember-metal/utils';
 import EmberObject from 'ember-runtime/system/object';
 import Copyable from 'ember-runtime/mixins/copyable';
 
@@ -21,7 +20,7 @@ function _copy(obj, deep, seen, copies) {
 
   // IMPORTANT: this specific test will detect a native array only. Any other
   // object will need to implement Copyable.
-  if (isArray(obj)) {
+  if (Array.isArray(obj)) {
     ret = obj.slice();
 
     if (deep) {
diff --git a/packages/ember-runtime/lib/main.js b/packages/ember-runtime/lib/main.js
index e5abc613785..3e985803be5 100644
--- a/packages/ember-runtime/lib/main.js
+++ b/packages/ember-runtime/lib/main.js
@@ -82,7 +82,7 @@ import RSVP from 'ember-runtime/ext/rsvp';     // just for side effect of extend
 import 'ember-runtime/ext/string';   // just for side effect of extending String.prototype
 import 'ember-runtime/ext/function'; // just for side effect of extending Function.prototype
 
-import { typeOf, isArray } from 'ember-runtime/utils';
+import { typeOf } from 'ember-runtime/utils';
 // END IMPORTS
 
 // BEGIN EXPORTS
@@ -117,8 +117,8 @@ Ember.ArrayComputedProperty = ArrayComputedProperty;
 Ember.reduceComputed = reduceComputed;
 Ember.ReduceComputedProperty = ReduceComputedProperty;
 
-Ember.typeOf    = typeOf;
-Ember.isArray   = isArray;
+Ember.typeOf = typeOf;
+Ember.isArray = Array.isArray;
 
 // ES6TODO: this seems a less than ideal way/place to add properties to Ember.computed
 var EmComputed = Ember.computed;
diff --git a/packages/ember-runtime/lib/mixins/mutable_array.js b/packages/ember-runtime/lib/mixins/mutable_array.js
index 46f5ef1a2ee..3b707d65e14 100644
--- a/packages/ember-runtime/lib/mixins/mutable_array.js
+++ b/packages/ember-runtime/lib/mixins/mutable_array.js
@@ -19,12 +19,12 @@ var EMPTY = [];
 //
 
 import { get } from 'ember-metal/property_get';
-import { isArray } from 'ember-metal/utils';
 import EmberError from 'ember-metal/error';
 import { Mixin } from 'ember-metal/mixin';
 import EmberArray from 'ember-runtime/mixins/array';
 import MutableEnumerable from 'ember-runtime/mixins/mutable_enumerable';
 import Enumerable from 'ember-runtime/mixins/enumerable';
+
 /**
   This mixin defines the API for modifying array-like objects. These methods
   can be applied only to a collection that keeps its items in an ordered set.
@@ -194,7 +194,7 @@ export default Mixin.create(EmberArray, MutableEnumerable, {
     @public
   */
   pushObjects(objects) {
-    if (!(Enumerable.detect(objects) || isArray(objects))) {
+    if (!(Enumerable.detect(objects) || Array.isArray(objects))) {
       throw new TypeError('Must pass Ember.Enumerable to Ember.MutableArray#pushObjects');
     }
     this.replace(get(this, 'length'), 0, objects);
diff --git a/packages/ember-runtime/lib/utils.js b/packages/ember-runtime/lib/utils.js
index 5326c0a2301..6d76d02f362 100644
--- a/packages/ember-runtime/lib/utils.js
+++ b/packages/ember-runtime/lib/utils.js
@@ -1,6 +1,5 @@
 import EmberArray from 'ember-runtime/mixins/array';
 import EmberObject from 'ember-runtime/system/object';
-import {isArray as _isArray} from 'ember-metal/utils';
 
 // ........................................
 // TYPING & ARRAY MESSAGING
@@ -44,7 +43,7 @@ var toString = Object.prototype.toString;
 */
 export function isArray(obj) {
   if (!obj || obj.setInterval) { return false; }
-  if (_isArray(obj)) { return true; }
+  if (Array.isArray(obj)) { return true; }
   if (EmberArray.detect(obj)) { return true; }
 
   let type = typeOf(obj);
diff --git a/packages/ember-views/lib/mixins/class_names_support.js b/packages/ember-views/lib/mixins/class_names_support.js
index ae9bd600c76..6a4cbd26ca2 100644
--- a/packages/ember-views/lib/mixins/class_names_support.js
+++ b/packages/ember-views/lib/mixins/class_names_support.js
@@ -5,9 +5,6 @@
 import Ember from 'ember-metal/core';
 import { Mixin } from 'ember-metal/mixin';
 import { A as emberA } from 'ember-runtime/system/native_array';
-import {
-  isArray
-} from 'ember-metal/utils';
 
 var EMPTY_ARRAY = [];
 
@@ -22,10 +19,10 @@ export default Mixin.create({
   init() {
     this._super(...arguments);
 
-    Ember.assert('Only arrays are allowed for \'classNameBindings\'', isArray(this.classNameBindings));
+    Ember.assert(`Only arrays are allowed for 'classNameBindings'`, Array.isArray(this.classNameBindings));
     this.classNameBindings = emberA(this.classNameBindings.slice());
 
-    Ember.assert('Only arrays of static class strings are allowed for \'classNames\'. For dynamic classes, use \'classNameBindings\'.', isArray(this.classNames));
+    Ember.assert(`Only arrays of static class strings are allowed for 'classNames'. For dynamic classes, use 'classNameBindings'.`, Array.isArray(this.classNames));
     this.classNames = emberA(this.classNames.slice());
   },