feat: support TransitionEvent init properties #865

Original file line number	Diff line number	Diff line change
Expand Up		@@ -358,6 +358,22 @@ test('assigns clipboardData properties', () => {
		expect(clipboardData.getData('text')).toBe('example')
		})

	test('assigns TransitionEvent init properties', () => {
	const node = document.createElement('div')
	const spy = jest.fn()
	node.addEventListener('transitionend', spy)
	const transitionEventInit = {
	propertyName: 'opacity',
	elapsedTime: 100,
	pseudoElement: '',
	}
	fireEvent.transitionEnd(node, transitionEventInit)
	expect(spy).toHaveBeenCalledTimes(1)
	expect(spy.mock.calls[0][0]).toEqual(
	expect.objectContaining(transitionEventInit),
	)
	})

		test('fires events on Window', () => {
		const messageSpy = jest.fn()
		window.addEventListener('message', messageSpy)
Expand Down

17 changes: 17 additions & 0 deletions src/events.js

Show comments View file Open in desktop

Original file line number	Diff line number	Diff line change
Expand Up		@@ -62,6 +62,23 @@ function createEvent(
		})
		}

	// TransitionEvent is not supported in jsdom: https://github.com/jsdom/jsdom/issues/1781
	if (
	EventType === 'TransitionEvent' &&
	typeof window.TransitionEvent !== 'function'
	) {
	const transitionEventProperties = [
	'propertyName',
	'elapsedTime',
	'pseudoElement',
	]
	transitionEventProperties.forEach(property => {
	Object.defineProperty(event, property, {
	value: eventInit[property],
	})
	})
	}

		// DataTransfer is not supported in jsdom: https://github.com/jsdom/jsdom/issues/1568
		const dataTransferProperties = ['dataTransfer', 'clipboardData']
		dataTransferProperties.forEach(dataTransferKey => {
Expand Down

Navigation Menu