diff options
Diffstat (limited to 'node_modules/es6-iterator/string.js')
-rw-r--r-- | node_modules/es6-iterator/string.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/node_modules/es6-iterator/string.js b/node_modules/es6-iterator/string.js new file mode 100644 index 000000000..cdb39ea4e --- /dev/null +++ b/node_modules/es6-iterator/string.js @@ -0,0 +1,37 @@ +// 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') + , Iterator = require('./') + + , defineProperty = Object.defineProperty + , StringIterator; + +StringIterator = module.exports = function (str) { + if (!(this instanceof StringIterator)) return new StringIterator(str); + str = String(str); + Iterator.call(this, str); + defineProperty(this, '__length__', d('', str.length)); + +}; +if (setPrototypeOf) setPrototypeOf(StringIterator, Iterator); + +StringIterator.prototype = Object.create(Iterator.prototype, { + constructor: d(StringIterator), + _next: d(function () { + if (!this.__list__) return; + if (this.__nextIndex__ < this.__length__) return this.__nextIndex__++; + this._unBind(); + }), + _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; + }), + toString: d(function () { return '[object String Iterator]'; }) +}); |