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node_modules/es-abstract/2021/Number/multiply.js

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+'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;
+};