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import requestAnimationFramePolyfill from 'dom-lib/lib/animation/requestAnimationFramePolyfill'; import cancelAnimationFramePolyfill from 'dom-lib/lib/animation/cancelAnimationFramePolyfill'; export const cancelAnimationTimeout = (frame: KeyframeAnimationOptions) => cancelAnimationFramePolyfill(frame.id); /** * Recursively calls requestAnimationFrame until a specified delay has been met or exceeded. * When the delay time has been reached the function you're timing out will be called. * * Credit: Joe Lambert (https://gist.github.com/joelambert/1002116#file-requesttimeout-js) */ export const requestAnimationTimeout = ( callback: Function, delay: number ): KeyframeAnimationOptions => { let start; // wait for end of processing current event handler, because event handler may be long Promise.resolve().then(() => { start = Date.now(); }); let frame = null; const timeout = () => { if (Date.now() - start >= delay) { callback.call(null); } else { frame.id = requestAnimationFramePolyfill(timeout); } }; frame = { id: requestAnimationFramePolyfill(timeout) }; return frame; };