diff options
Diffstat (limited to 'node_modules/es6-iterator/string.js')
| -rw-r--r-- | node_modules/es6-iterator/string.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/es6-iterator/string.js b/node_modules/es6-iterator/string.js new file mode 100644 index 00000000..48882252 --- /dev/null +++ b/node_modules/es6-iterator/string.js @@ -0,0 +1,39 @@ +// Thanks @mathiasbynens +// http://mathiasbynens.be/notes/javascript-unicode#iterating-over-symbols + +"use strict"; + +var setPrototypeOf = require("es5-ext/object/set-prototype-of") + , d = require("d") + , Symbol = require("es6-symbol") + , Iterator = require("./"); + +var defineProperty = Object.defineProperty, StringIterator; + +StringIterator = module.exports = function (str) { + if (!(this instanceof StringIterator)) throw new TypeError("Constructor requires 'new'"); + str = String(str); + Iterator.call(this, str); + defineProperty(this, "__length__", d("", str.length)); +}; +if (setPrototypeOf) setPrototypeOf(StringIterator, Iterator); + +// Internal %ArrayIteratorPrototype% doesn't expose its constructor +delete StringIterator.prototype.constructor; + +StringIterator.prototype = Object.create(Iterator.prototype, { + _next: d(function () { + if (!this.__list__) return undefined; + if (this.__nextIndex__ < this.__length__) return this.__nextIndex__++; + this._unBind(); + return undefined; + }), + _resolve: d(function (i) { + var char = this.__list__[i], code; + if (this.__nextIndex__ === this.__length__) return char; + code = char.charCodeAt(0); + if (code >= 0xd800 && code <= 0xdbff) return char + this.__list__[this.__nextIndex__++]; + return char; + }) +}); +defineProperty(StringIterator.prototype, Symbol.toStringTag, d("c", "String Iterator")); |
