You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
950 B
23 lines
950 B
3 years ago
|
var global = require('../internals/global');
|
||
|
|
var fails = require('../internals/fails');
|
||
|
|
var uncurryThis = require('../internals/function-uncurry-this');
|
||
|
|
var toString = require('../internals/to-string');
|
||
|
|
var trim = require('../internals/string-trim').trim;
|
||
|
|
var whitespaces = require('../internals/whitespaces');
|
||
|
|
|
||
|
|
var charAt = uncurryThis(''.charAt);
|
||
|
|
var n$ParseFloat = global.parseFloat;
|
||
|
|
var Symbol = global.Symbol;
|
||
|
|
var ITERATOR = Symbol && Symbol.iterator;
|
||
|
|
var FORCED = 1 / n$ParseFloat(whitespaces + '-0') !== -Infinity
|
||
|
|
// MS Edge 18- broken with boxed symbols
|
||
|
|
|| (ITERATOR && !fails(function () { n$ParseFloat(Object(ITERATOR)); }));
|
||
|
|
|
||
|
|
// `parseFloat` method
|
||
|
|
// https://tc39.es/ecma262/#sec-parsefloat-string
|
||
|
|
module.exports = FORCED ? function parseFloat(string) {
|
||
|
|
var trimmedString = trim(toString(string));
|
||
|
|
var result = n$ParseFloat(trimmedString);
|
||
|
|
return result === 0 && charAt(trimmedString, 0) == '-' ? -0 : result;
|
||
|
|
} : n$ParseFloat;
|