Constnium/node_modules/es-abstract/2021/Number/remainder.js
2022-06-23 02:27:43 +02:00

32 lines
1 KiB
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var isNaN = require('../../helpers/isNaN');
var Type = require('../Type');
// https://262.ecma-international.org/12.0/#sec-numeric-types-number-remainder
module.exports = function NumberRemainder(n, d) {
if (Type(n) !== 'Number' || Type(d) !== 'Number') {
throw new $TypeError('Assertion failed: `n` and `d` arguments must be Numbers');
}
// If either operand is NaN, the result is NaN.
// If the dividend is an infinity, or the divisor is a zero, or both, the result is NaN.
if (isNaN(n) || isNaN(d) || !isFinite(n) || d === 0) {
return NaN;
}
// If the dividend is finite and the divisor is an infinity, the result equals the dividend.
// If the dividend is a zero and the divisor is nonzero and finite, the result is the same as the dividend.
if (!isFinite(d) || n === 0) {
return n;
}
// In the remaining cases, where neither an infinity, nor a zero, nor NaN is involved…
return n % d;
};