| 'use strict'; |
| |
| var ToNumber = require('./ToNumber'); |
| |
| var abs = require('math-intrinsics/abs'); |
| var floor = require('math-intrinsics/floor'); |
| var $isNaN = require('math-intrinsics/isNaN'); |
| var $isFinite = require('math-intrinsics/isFinite'); |
| var $sign = require('math-intrinsics/sign'); |
| |
| // http://262.ecma-international.org/5.1/#sec-9.4 |
| |
| module.exports = function ToInteger(value) { |
| var number = ToNumber(value); |
| if ($isNaN(number)) { return 0; } |
| if (number === 0 || !$isFinite(number)) { return number; } |
| return $sign(number) * floor(abs(number)); |
| }; |