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21 lines
587 B
JavaScript
21 lines
587 B
JavaScript
'use strict';
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var modulo = require('./modulo');
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var ToNumber = require('./ToNumber');
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var truncate = require('./truncate');
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var isFinite = require('../helpers/isFinite');
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// https://262.ecma-international.org/14.0/#sec-touint32
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var two32 = 0x100000000; // Math.pow(2, 32);
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module.exports = function ToUint32(argument) {
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var number = ToNumber(argument);
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if (!isFinite(number) || number === 0) {
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return 0;
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}
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var int = truncate(number);
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var int32bit = modulo(int, two32);
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return int32bit === 0 ? 0 : int32bit; // in the spec, these are math values, so we filter out -0 here
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};
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