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node_modules/es6-iterator/for-of.js
| 47 lines
| 1.3 KiB
| application/javascript
| JavascriptLexer
|
| r789 | "use strict"; | |||
| var isArguments = require("es5-ext/function/is-arguments") | ||||
| , callable = require("es5-ext/object/valid-callable") | ||||
| , isString = require("es5-ext/string/is-string") | ||||
| , get = require("./get"); | ||||
| var isArray = Array.isArray, call = Function.prototype.call, some = Array.prototype.some; | ||||
| module.exports = function (iterable, cb /*, thisArg*/) { | ||||
| var mode, thisArg = arguments[2], result, doBreak, broken, i, length, char, code; | ||||
| if (isArray(iterable) || isArguments(iterable)) mode = "array"; | ||||
| else if (isString(iterable)) mode = "string"; | ||||
| else iterable = get(iterable); | ||||
| callable(cb); | ||||
| doBreak = function () { | ||||
| broken = true; | ||||
| }; | ||||
| if (mode === "array") { | ||||
| some.call(iterable, function (value) { | ||||
| call.call(cb, thisArg, value, doBreak); | ||||
| return broken; | ||||
| }); | ||||
| return; | ||||
| } | ||||
| if (mode === "string") { | ||||
| length = iterable.length; | ||||
| for (i = 0; i < length; ++i) { | ||||
| char = iterable[i]; | ||||
| if (i + 1 < length) { | ||||
| code = char.charCodeAt(0); | ||||
| if (code >= 0xd800 && code <= 0xdbff) char += iterable[++i]; | ||||
| } | ||||
| call.call(cb, thisArg, char, doBreak); | ||||
| if (broken) break; | ||||
| } | ||||
| return; | ||||
| } | ||||
| result = iterable.next(); | ||||
| while (!result.done) { | ||||
| call.call(cb, thisArg, result.value, doBreak); | ||||
| if (broken) return; | ||||
| result = iterable.next(); | ||||
| } | ||||
| }; | ||||