Update to NPM version

ProjectSourceCode/node_modules/es-abstract/2021/Number/leftShift.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var ToInt32 = require('../ToInt32');
+var ToUint32 = require('../ToUint32');
+var modulo = require('../modulo');
+
+// https://262.ecma-international.org/12.0/#sec-numeric-types-number-leftShift
+
+module.exports = function NumberLeftShift(x, y) {
+	if (typeof x !== 'number' || typeof y !== 'number') {
+		throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
+	}
+
+	var lnum = ToInt32(x);
+	var rnum = ToUint32(y);
+
+	var shiftCount = modulo(rnum, 32);
+
+	return lnum << shiftCount;
+};