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22 lines
931 B
22 lines
931 B
var global = require('../internals/global'); |
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var fails = require('../internals/fails'); |
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var uncurryThis = require('../internals/function-uncurry-this'); |
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var toString = require('../internals/to-string'); |
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var trim = require('../internals/string-trim').trim; |
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var whitespaces = require('../internals/whitespaces'); |
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var $parseInt = global.parseInt; |
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var Symbol = global.Symbol; |
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var ITERATOR = Symbol && Symbol.iterator; |
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var hex = /^[+-]?0x/i; |
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var exec = uncurryThis(hex.exec); |
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var FORCED = $parseInt(whitespaces + '08') !== 8 || $parseInt(whitespaces + '0x16') !== 22 |
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// MS Edge 18- broken with boxed symbols |
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|| (ITERATOR && !fails(function () { $parseInt(Object(ITERATOR)); })); |
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// `parseInt` method |
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// https://tc39.es/ecma262/#sec-parseint-string-radix |
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module.exports = FORCED ? function parseInt(string, radix) { |
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var S = trim(toString(string)); |
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return $parseInt(S, (radix >>> 0) || (exec(hex, S) ? 16 : 10)); |
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} : $parseInt;
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