| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var ToPrimitive = require('./ToPrimitive'); |
| 4 | |
| 5 | // http://262.ecma-international.org/5.1/#sec-9.3 |
| 6 | |
| 7 | module.exports = function ToNumber(value) { |
| 8 | var prim = ToPrimitive(value, Number); |
| 9 | if (typeof prim !== 'string') { |
| 10 | return +prim; // eslint-disable-line no-implicit-coercion |
| 11 | } |
| 12 | |
| 13 | // eslint-disable-next-line no-control-regex |
| 14 | var trimmed = prim.replace(/^[ \t\x0b\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u0085]+|[ \t\x0b\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u0085]+$/g, ''); |
| 15 | if ((/^0[ob]|^[+-]0x/).test(trimmed)) { |
| 16 | return NaN; |
| 17 | } |
| 18 | |
| 19 | return +trimmed; // eslint-disable-line no-implicit-coercion |
| 20 | }; |