Version 1

[yaffs-website] / node_modules / core-js / library / modules / es6.array.iterator.js

diff --git a/node_modules/core-js/library/modules/es6.array.iterator.js b/node_modules/core-js/library/modules/es6.array.iterator.js
new file mode 100644 (file)
index 0000000..100b344
--- /dev/null
+++ b/node_modules/core-js/library/modules/es6.array.iterator.js
@@ -0,0 +1,34 @@
+'use strict';
+var addToUnscopables = require('./_add-to-unscopables')
+  , step             = require('./_iter-step')
+  , Iterators        = require('./_iterators')
+  , toIObject        = require('./_to-iobject');
+
+// 22.1.3.4 Array.prototype.entries()
+// 22.1.3.13 Array.prototype.keys()
+// 22.1.3.29 Array.prototype.values()
+// 22.1.3.30 Array.prototype[@@iterator]()
+module.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){
+  this._t = toIObject(iterated); // target
+  this._i = 0;                   // next index
+  this._k = kind;                // kind
+// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
+}, function(){
+  var O     = this._t
+    , kind  = this._k
+    , index = this._i++;
+  if(!O || index >= O.length){
+    this._t = undefined;
+    return step(1);
+  }
+  if(kind == 'keys'  )return step(0, index);
+  if(kind == 'values')return step(0, O[index]);
+  return step(0, [index, O[index]]);
+}, 'values');
+
+// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
+Iterators.Arguments = Iterators.Array;
+
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
\ No newline at end of file