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47 lines
1.4 KiB
47 lines
1.4 KiB
const availablePrefixs = ['moz', 'ms', 'webkit'];
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function requestAnimationFramePolyfill() {
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let lastTime = 0;
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return function (callback) {
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const currTime = new Date().getTime();
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const timeToCall = Math.max(0, 16 - (currTime - lastTime));
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const id = window.setTimeout(function () {
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callback(currTime + timeToCall);
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}, timeToCall);
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lastTime = currTime + timeToCall;
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return id;
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};
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}
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export default function getRequestAnimationFrame() {
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if (typeof window === 'undefined') {
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return () => {};
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}
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if (window.requestAnimationFrame) {
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// https://github.com/vuejs/vue/issues/4465
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return window.requestAnimationFrame.bind(window);
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}
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const prefix = availablePrefixs.filter(key => `${key}RequestAnimationFrame` in window)[0];
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return prefix ? window[`${prefix}RequestAnimationFrame`] : requestAnimationFramePolyfill();
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}
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export function cancelRequestAnimationFrame(id) {
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if (typeof window === 'undefined') {
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return null;
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}
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if (window.cancelAnimationFrame) {
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return window.cancelAnimationFrame(id);
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}
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const prefix = availablePrefixs.filter(
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key => `${key}CancelAnimationFrame` in window || `${key}CancelRequestAnimationFrame` in window,
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)[0];
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return prefix
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? (
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window[`${prefix}CancelAnimationFrame`] || window[`${prefix}CancelRequestAnimationFrame`]
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).call(this, id)
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: clearTimeout(id);
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}
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