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- 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;
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