diff options
Diffstat (limited to 'node_modules/core-js/modules/esnext.iterator.constructor.js')
| -rw-r--r-- | node_modules/core-js/modules/esnext.iterator.constructor.js | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/node_modules/core-js/modules/esnext.iterator.constructor.js b/node_modules/core-js/modules/esnext.iterator.constructor.js deleted file mode 100644 index a481dff..0000000 --- a/node_modules/core-js/modules/esnext.iterator.constructor.js +++ /dev/null @@ -1,48 +0,0 @@ -'use strict'; -// https://github.com/tc39/proposal-iterator-helpers -var $ = require('../internals/export'); -var global = require('../internals/global'); -var anInstance = require('../internals/an-instance'); -var createNonEnumerableProperty = require('../internals/create-non-enumerable-property'); -var fails = require('../internals/fails'); -var has = require('../internals/has'); -var wellKnownSymbol = require('../internals/well-known-symbol'); -var IteratorPrototype = require('../internals/iterators-core').IteratorPrototype; -var IS_PURE = require('../internals/is-pure'); - -var ITERATOR = wellKnownSymbol('iterator'); -var TO_STRING_TAG = wellKnownSymbol('toStringTag'); - -var NativeIterator = global.Iterator; - -// FF56- have non-standard global helper `Iterator` -var FORCED = IS_PURE - || typeof NativeIterator != 'function' - || NativeIterator.prototype !== IteratorPrototype - // FF44- non-standard `Iterator` passes previous tests - || !fails(function () { NativeIterator({}); }); - -var IteratorConstructor = function Iterator() { - anInstance(this, IteratorConstructor); -}; - -if (IS_PURE) { - IteratorPrototype = {}; - createNonEnumerableProperty(IteratorPrototype, ITERATOR, function () { - return this; - }); -} - -if (!has(IteratorPrototype, TO_STRING_TAG)) { - createNonEnumerableProperty(IteratorPrototype, TO_STRING_TAG, 'Iterator'); -} - -if (FORCED || !has(IteratorPrototype, 'constructor') || IteratorPrototype.constructor === Object) { - createNonEnumerableProperty(IteratorPrototype, 'constructor', IteratorConstructor); -} - -IteratorConstructor.prototype = IteratorPrototype; - -$({ global: true, forced: FORCED }, { - Iterator: IteratorConstructor -}); |
