Rewriting Project

1 files changed, 53 insertions, 0 deletions

diff --git a/node_modules/core-js/modules/es.array.iterator.js b/node_modules/core-js/modules/es.array.iterator.js
new file mode 100644
index 0000000..5e64422
--- /dev/null
+++ b/node_modules/core-js/modules/es.array.iterator.js
@@ -0,0 +1,53 @@
+'use strict';
+var toIndexedObject = require('../internals/to-indexed-object');
+var addToUnscopables = require('../internals/add-to-unscopables');
+var Iterators = require('../internals/iterators');
+var InternalStateModule = require('../internals/internal-state');
+var defineIterator = require('../internals/define-iterator');
+
+var ARRAY_ITERATOR = 'Array Iterator';
+var setInternalState = InternalStateModule.set;
+var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
+
+// `Array.prototype.entries` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.entries
+// `Array.prototype.keys` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.keys
+// `Array.prototype.values` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.values
+// `Array.prototype[@@iterator]` method
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@iterator
+// `CreateArrayIterator` internal method
+// https://tc39.github.io/ecma262/#sec-createarrayiterator
+module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
+  setInternalState(this, {
+    type: ARRAY_ITERATOR,
+    target: toIndexedObject(iterated), // target
+    index: 0,                          // next index
+    kind: kind                         // kind
+  });
+// `%ArrayIteratorPrototype%.next` method
+// https://tc39.github.io/ecma262/#sec-%arrayiteratorprototype%.next
+}, function () {
+  var state = getInternalState(this);
+  var target = state.target;
+  var kind = state.kind;
+  var index = state.index++;
+  if (!target || index >= target.length) {
+    state.target = undefined;
+    return { value: undefined, done: true };
+  }
+  if (kind == 'keys') return { value: index, done: false };
+  if (kind == 'values') return { value: target[index], done: false };
+  return { value: [index, target[index]], done: false };
+}, 'values');
+
+// argumentsList[@@iterator] is %ArrayProto_values%
+// https://tc39.github.io/ecma262/#sec-createunmappedargumentsobject
+// https://tc39.github.io/ecma262/#sec-createmappedargumentsobject
+Iterators.Arguments = Iterators.Array;
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');