27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
import { Subscription } from '../Subscription';
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export const animationFrameProvider = {
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schedule(callback) {
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let request = requestAnimationFrame;
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let cancel = cancelAnimationFrame;
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const { delegate } = animationFrameProvider;
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if (delegate) {
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request = delegate.requestAnimationFrame;
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cancel = delegate.cancelAnimationFrame;
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}
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const handle = request((timestamp) => {
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cancel = undefined;
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callback(timestamp);
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});
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return new Subscription(() => cancel === null || cancel === void 0 ? void 0 : cancel(handle));
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},
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requestAnimationFrame(...args) {
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const { delegate } = animationFrameProvider;
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return ((delegate === null || delegate === void 0 ? void 0 : delegate.requestAnimationFrame) || requestAnimationFrame)(...args);
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},
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cancelAnimationFrame(...args) {
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const { delegate } = animationFrameProvider;
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return ((delegate === null || delegate === void 0 ? void 0 : delegate.cancelAnimationFrame) || cancelAnimationFrame)(...args);
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},
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delegate: undefined,
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};
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//# sourceMappingURL=animationFrameProvider.js.map
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