debian-mirror-gitlab/core-js/internals/parse-float.js
2019-09-25 13:30:05 +05:30

14 lines
587 B
JavaScript

var global = require('../internals/global');
var trim = require('../internals/string-trim').trim;
var whitespaces = require('../internals/whitespaces');
var nativeParseFloat = global.parseFloat;
var FORCED = 1 / nativeParseFloat(whitespaces + '-0') !== -Infinity;
// `parseFloat` method
// https://tc39.github.io/ecma262/#sec-parsefloat-string
module.exports = FORCED ? function parseFloat(string) {
var trimmedString = trim(String(string));
var result = nativeParseFloat(trimmedString);
return result === 0 && trimmedString.charAt(0) == '-' ? -0 : result;
} : nativeParseFloat;