15 lines
585 B
JavaScript
15 lines
585 B
JavaScript
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var global = require('../internals/global');
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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 nativeParseInt = global.parseInt;
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var hex = /^[+-]?0[Xx]/;
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var FORCED = nativeParseInt(whitespaces + '08') !== 8 || nativeParseInt(whitespaces + '0x16') !== 22;
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// `parseInt` method
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// https://tc39.github.io/ecma262/#sec-parseint-string-radix
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module.exports = FORCED ? function parseInt(string, radix) {
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var S = trim(String(string));
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return nativeParseInt(S, (radix >>> 0) || (hex.test(S) ? 16 : 10));
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} : nativeParseInt;
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