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18 lines
509 B
JavaScript
18 lines
509 B
JavaScript
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'use strict';
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var GetIntrinsic = require('get-intrinsic');
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var floor = require('./floor');
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var $TypeError = GetIntrinsic('%TypeError%');
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// https://262.ecma-international.org/14.0/#eqn-truncate
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module.exports = function truncate(x) {
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if (typeof x !== 'number' && typeof x !== 'bigint') {
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throw new $TypeError('argument must be a Number or a BigInt');
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}
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var result = x < 0 ? -floor(-x) : floor(x);
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return result === 0 ? 0 : result; // in the spec, these are math values, so we filter out -0 here
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};
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