@openui5/sap.ui.core/src/sap/ui/thirdparty/es6-object-assign.js

OpenUI5 Core Library sap.ui.core

/**
 * Code copied from Mozilla Developer Network:
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Polyfill
 */
if (typeof Object.assign != 'function') {
	// Must be writable: true, enumerable: false, configurable: true
	Object.defineProperty(Object, "assign", {
		value: function assign(target, varArgs) { // .length of function is 2
			'use strict';
			if (target == null) { // TypeError if undefined or null
				throw new TypeError('Cannot convert undefined or null to object');
			}

			target = Object(target);

			for (var index = 1; index < arguments.length; index++) {
				var nextSource = arguments[index];

				if (nextSource != null) { // Skip over if undefined or null
					for (var nextKey in nextSource) {
						// Avoid bugs when hasOwnProperty is shadowed
						if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
							target[nextKey] = nextSource[nextKey];
						}
					}
				}
			}
			return target;
		},
		writable: true,
		configurable: true
	});
}