19 lines
583 B
JavaScript
19 lines
583 B
JavaScript
function safeRequestAnimationFrame(callback) {
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if (typeof requestAnimationFrame !== 'undefined') requestAnimationFrame(callback);
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}
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export default function setRafTimeout(callback) {
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var timeout = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
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var currTime = -1;
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var shouldUpdate = function shouldUpdate(now) {
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if (currTime < 0) {
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currTime = now;
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}
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if (now - currTime > timeout) {
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callback(now);
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currTime = -1;
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} else {
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safeRequestAnimationFrame(shouldUpdate);
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}
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};
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requestAnimationFrame(shouldUpdate);
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} |