Files
react-native-devtools-frontend/node_modules/es-abstract/2020/Number/multiply.js
T
Tim van der Lippe 2c89197d0d Update ESLint-related packages
R=jacktfranklin@chromium.org

No-Presubmit: True
Bug: none
Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
2021-07-30 11:02:26 +00:00

34 lines
848 B
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/11.0/#sec-numeric-types-number-multiply
module.exports = function NumberMultiply(x, y) {
if (Type(x) !== 'Number' || Type(y) !== 'Number') {
throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
}
if (isNaN(x) || isNaN(y) || (x === 0 && !isFinite(y)) || (!isFinite(x) && y === 0)) {
return NaN;
}
if (!isFinite(x) && !isFinite(y)) {
return x === y ? Infinity : -Infinity;
}
if (!isFinite(x) && y !== 0) {
return x > 0 ? Infinity : -Infinity;
}
if (!isFinite(y) && x !== 0) {
return y > 0 ? Infinity : -Infinity;
}
// shortcut for the actual spec mechanics
return x * y;
};