ubdate

2021-11-21 11:18:28 +01:00
parent 7a358eb836
commit 230b10b2a3
9339 changed files with 892519 additions and 62 deletions
--- a/node_modules/es-abstract/2021/Number/unaryMinus.js
+++ b/node_modules/es-abstract/2021/Number/unaryMinus.js
@@ -0,0 +1,21 @@
+'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-unaryMinus
+
+module.exports = function NumberUnaryMinus(x) {
+	if (Type(x) !== 'Number') {
+		throw new $TypeError('Assertion failed: `x` argument must be a Number');
+	}
+	if (isNaN(x)) {
+		return NaN;
+	}
+	return -x;
+};