| 'use strict'; |
| |
| if (typeof process === 'undefined' || |
| !process.version || |
| process.version.indexOf('v0.') === 0 || |
| process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) { |
| module.exports = { nextTick: nextTick }; |
| } else { |
| module.exports = process |
| } |
| |
| function nextTick(fn, arg1, arg2, arg3) { |
| if (typeof fn !== 'function') { |
| throw new TypeError('"callback" argument must be a function'); |
| } |
| var len = arguments.length; |
| var args, i; |
| switch (len) { |
| case 0: |
| case 1: |
| return process.nextTick(fn); |
| case 2: |
| return process.nextTick(function afterTickOne() { |
| fn.call(null, arg1); |
| }); |
| case 3: |
| return process.nextTick(function afterTickTwo() { |
| fn.call(null, arg1, arg2); |
| }); |
| case 4: |
| return process.nextTick(function afterTickThree() { |
| fn.call(null, arg1, arg2, arg3); |
| }); |
| default: |
| args = new Array(len - 1); |
| i = 0; |
| while (i < args.length) { |
| args[i++] = arguments[i]; |
| } |
| return process.nextTick(function afterTick() { |
| fn.apply(null, args); |
| }); |
| } |
| } |
| |