diff options
Diffstat (limited to 'node_modules/es6-iterator/array.js')
| -rw-r--r-- | node_modules/es6-iterator/array.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/es6-iterator/array.js b/node_modules/es6-iterator/array.js new file mode 100644 index 00000000..d7a46a48 --- /dev/null +++ b/node_modules/es6-iterator/array.js @@ -0,0 +1,32 @@ +"use strict"; + +var setPrototypeOf = require("es5-ext/object/set-prototype-of") + , contains = require("es5-ext/string/#/contains") + , d = require("d") + , Symbol = require("es6-symbol") + , Iterator = require("./"); + +var defineProperty = Object.defineProperty, ArrayIterator; + +ArrayIterator = module.exports = function (arr, kind) { + if (!(this instanceof ArrayIterator)) throw new TypeError("Constructor requires 'new'"); + Iterator.call(this, arr); + if (!kind) kind = "value"; + else if (contains.call(kind, "key+value")) kind = "key+value"; + else if (contains.call(kind, "key")) kind = "key"; + else kind = "value"; + defineProperty(this, "__kind__", d("", kind)); +}; +if (setPrototypeOf) setPrototypeOf(ArrayIterator, Iterator); + +// Internal %ArrayIteratorPrototype% doesn't expose its constructor +delete ArrayIterator.prototype.constructor; + +ArrayIterator.prototype = Object.create(Iterator.prototype, { + _resolve: d(function (i) { + if (this.__kind__ === "value") return this.__list__[i]; + if (this.__kind__ === "key+value") return [i, this.__list__[i]]; + return i; + }) +}); +defineProperty(ArrayIterator.prototype, Symbol.toStringTag, d("c", "Array Iterator")); |
