# extendify/3.0.6/src/Shared/utils/__tests__/get-url-parameter.test.js

Extendify, version 3.0.6. 51 lines.

- Page: https://pluginprobe.com/plugins/extendify/3.0.6/code/src/Shared/utils/__tests__/get-url-parameter.test.js
- Raw: https://pluginprobe.com/plugins/extendify/3.0.6/raw/src/Shared/utils/__tests__/get-url-parameter.test.js
- Modified: 2026-02-18T22:27:14+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```javascript
import { getUrlParameter } from '@shared/utils/get-url-parameter';

describe('getUrlParameter', () => {
	beforeEach(() => {
		jest.restoreAllMocks();
		window.history.pushState({}, '', '/');
	});

	it('should return null if parameter does not exist', () => {
		window.history.pushState({}, '', '/?param1=value1');
		expect(getUrlParameter('param2')).toBeNull();
	});

	it('should return the correct parameter value from URL', () => {
		window.history.pushState({}, '', '/?param1=value1&param2=value2');
		expect(getUrlParameter('param1')).toBe('value1');
		expect(getUrlParameter('param2')).toBe('value2');
	});

	it('should cleanup the parameter in url after use', () => {
		window.history.pushState({}, '', '/?param1=Hello%20World');
		const replaceStateSpy = jest.spyOn(window.history, 'replaceState');

		getUrlParameter('param1');

		expect(replaceStateSpy).toHaveBeenCalledWith({}, document.title, '/');
	});

	it('should NOT cleanup the parameter in url if cleanUrl is false', () => {
		window.history.pushState({}, '', '/?param1=Hello%20World');
		const replaceStateSpy = jest.spyOn(window.history, 'replaceState');

		getUrlParameter('param1', false);

		expect(replaceStateSpy).not.toHaveBeenCalled();
	});

	it('should NOT affect other parameters in url when cleanup', () => {
		window.history.pushState({}, '', '/?param1=Hello%20World&other=keep-it');
		const replaceStateSpy = jest.spyOn(window.history, 'replaceState');

		getUrlParameter('param1');

		expect(replaceStateSpy).toHaveBeenCalledWith(
			{},
			document.title,
			'/?other=keep-it',
		);
	});
});

```