type RequestAnimationFrameType = typeof window.requestAnimationFrame

let requestAnimationFrame: RequestAnimationFrameType;

requestAnimationFrame = (
	typeof window !== 'undefined'
		&& (
			(window.requestAnimationFrame && window.requestAnimationFrame.bind(window))
			// https://github.com/ecomfe/zrender/issues/189#issuecomment-224919809
			|| ((window as any).msRequestAnimationFrame && (window as any).msRequestAnimationFrame.bind(window))
			|| (window as any).mozRequestAnimationFrame
			|| window.webkitRequestAnimationFrame
		)
) || function (func: Parameters<RequestAnimationFrameType>[0]): number {
	return setTimeout(func, 16) as any;
};

export default requestAnimationFrame;