debian-mirror-gitlab/core-js/internals/number-parse-float.js

15 lines
567 B
JavaScript
Raw Normal View History

2019-09-25 13:30:05 +05:30
var global = require('../internals/global');
var trim = require('../internals/string-trim').trim;
var whitespaces = require('../internals/whitespaces');
2020-01-12 00:16:45 +05:30
var $parseFloat = global.parseFloat;
var FORCED = 1 / $parseFloat(whitespaces + '-0') !== -Infinity;
2019-09-25 13:30:05 +05:30
// `parseFloat` method
// https://tc39.github.io/ecma262/#sec-parsefloat-string
module.exports = FORCED ? function parseFloat(string) {
var trimmedString = trim(String(string));
2020-01-12 00:16:45 +05:30
var result = $parseFloat(trimmedString);
2019-09-25 13:30:05 +05:30
return result === 0 && trimmedString.charAt(0) == '-' ? -0 : result;
2020-01-12 00:16:45 +05:30
} : $parseFloat;