Add polyfills to jest setup scripts

Reviewed By: cpojer

Differential Revision: D2627866

fb-gh-sync-id: 6d2c95ebc1fe05da3a90f8f6df3287bdbac870bd

react-packager/src/BundlesLayout/__tests__/BundlesLayoutIntegration-test.js

@@ -35,6 +35,7 @@ describe('BundlesLayout', () => {
     'polyfills/error-guard.js',
     'polyfills/String.prototype.es6.js',
     'polyfills/Array.prototype.es6.js',
+    'polyfills/Array.es6.js',
   ];
   const baseFs = getBaseFs();
 

react-packager/src/Resolver/__tests__/Resolver-test.js

@@ -135,6 +135,19 @@ describe('Resolver', function() {
                 'polyfills/String.prototype.es6.js',
               ],
             },
+            { id: 'polyfills/Array.es6.js',
+              isPolyfill: true,
+              path: 'polyfills/Array.es6.js',
+              dependencies: [
+                'polyfills/prelude.js',
+                'polyfills/require.js',
+                'polyfills/polyfills.js',
+                'polyfills/console.js',
+                'polyfills/error-guard.js',
+                'polyfills/String.prototype.es6.js',
+                'polyfills/Array.prototype.es6.js',
+              ],
+            }
           ]);
         });
     });
@@ -196,7 +209,8 @@ describe('Resolver', function() {
                 'polyfills/console.js',
                 'polyfills/error-guard.js',
                 'polyfills/String.prototype.es6.js',
-                'polyfills/Array.prototype.es6.js'
+                'polyfills/Array.prototype.es6.js',
+                'polyfills/Array.es6.js',
               ]
             },
           ]);

react-packager/src/Resolver/index.js

@@ -105,6 +105,7 @@ class Resolver {
       path.join(__dirname, 'polyfills/error-guard.js'),
       path.join(__dirname, 'polyfills/String.prototype.es6.js'),
       path.join(__dirname, 'polyfills/Array.prototype.es6.js'),
+      path.join(__dirname, 'polyfills/Array.es6.js'),
     ].concat(this._polyfillModuleNames);
 
     return polyfillModuleNames.map(

react-packager/src/Resolver/polyfills/Array.es6.js

@@ -0,0 +1,81 @@
+/**
+ * Copyright 2013-2014 Facebook, Inc.
+ * @provides Array.es6
+ * @polyfill
+ */
+
+/*eslint-disable */
+
+/**
+ * Creates an array from array like objects.
+ *
+ * https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.from
+ */
+if (!Array.from) {
+  Array.from = function(arrayLike /*, mapFn, thisArg */) {
+    if (arrayLike == null) {
+      throw new TypeError('Object is null or undefined');
+    }
+
+    // Optional args.
+    var mapFn = arguments[1];
+    var thisArg = arguments[2];
+
+    var C = this;
+    var items = Object(arrayLike);
+    var symbolIterator = typeof Symbol === 'function'
+      ? Symbol.iterator
+      : '@@iterator';
+    var mapping = typeof mapFn === 'function';
+    var usingIterator = typeof items[symbolIterator] === 'function';
+    var key = 0;
+    var ret;
+    var value;
+
+    if (usingIterator) {
+      ret = typeof C === 'function'
+        ? new C()
+        : [];
+      var it = items[symbolIterator]();
+      var next;
+
+      while (!(next = it.next()).done) {
+        value = next.value;
+
+        if (mapping) {
+          value = mapFn.call(thisArg, value, key);
+        }
+
+        ret[key] = value;
+        key += 1;
+      }
+
+      ret.length = key;
+      return ret;
+    }
+
+    var len = items.length;
+    if (isNaN(len) || len < 0) {
+      len = 0;
+    }
+
+    ret = typeof C === 'function'
+      ? new C(len)
+      : new Array(len);
+
+    while (key < len) {
+      value = items[key];
+
+      if (mapping) {
+        value = mapFn.call(thisArg, value, key);
+      }
+
+      ret[key] = value;
+
+      key += 1;
+    }
+
+    ret.length = key;
+    return ret;
+  };
+}

react-packager/src/Resolver/polyfills/Array.prototype.es6.js

@@ -55,78 +55,4 @@
       }
     });
   }
-
-  /**
-   * Creates an array from array like objects.
-   *
-   * https://people.mozilla.org/~jorendorff/es6-draft.html#sec-array.from
-   */
-  if (!Array.from) {
-    Array.from = function(arrayLike /*, mapFn, thisArg */) {
-      if (arrayLike == null) {
-        throw new TypeError('Object is null or undefined');
-      }
-
-      // Optional args.
-      var mapFn = arguments[1];
-      var thisArg = arguments[2];
-
-      var C = this;
-      var items = Object(arrayLike);
-      var symbolIterator = typeof Symbol === 'function'
-        ? Symbol.iterator
-        : '@@iterator';
-      var mapping = typeof mapFn === 'function';
-      var usingIterator = typeof items[symbolIterator] === 'function';
-      var key = 0;
-      var ret;
-      var value;
-
-      if (usingIterator) {
-        ret = typeof C === 'function'
-          ? new C()
-          : [];
-        var it = items[symbolIterator]();
-        var next;
-
-        while (!(next = it.next()).done) {
-          value = next.value;
-
-          if (mapping) {
-            value = mapFn.call(thisArg, value, key);
-          }
-
-          ret[key] = value;
-          key += 1;
-        }
-
-        ret.length = key;
-        return ret;
-      }
-
-      var len = items.length;
-      if (isNaN(len) || len < 0) {
-        len = 0;
-      }
-
-      ret = typeof C === 'function'
-        ? new C(len)
-        : new Array(len);
-
-      while (key < len) {
-        value = items[key];
-
-        if (mapping) {
-          value = mapFn.call(thisArg, value, key);
-        }
-
-        ret[key] = value;
-
-        key += 1;
-      }
-
-      ret.length = key;
-      return ret;
-    };
-  }
 })();