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32 lines
1.0 KiB
TypeScript
32 lines
1.0 KiB
TypeScript
1 month ago
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import type { TimerHandle } from './timerHandle';
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type SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;
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type ClearTimeoutFunction = (handle: TimerHandle) => void;
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interface TimeoutProvider {
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setTimeout: SetTimeoutFunction;
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clearTimeout: ClearTimeoutFunction;
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delegate:
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setTimeout: SetTimeoutFunction;
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clearTimeout: ClearTimeoutFunction;
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}
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| undefined;
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}
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export const timeoutProvider: TimeoutProvider = {
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// When accessing the delegate, use the variable rather than `this` so that
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// the functions can be called without being bound to the provider.
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setTimeout(handler: () => void, timeout?: number, ...args) {
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const { delegate } = timeoutProvider;
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if (delegate?.setTimeout) {
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return delegate.setTimeout(handler, timeout, ...args);
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}
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return setTimeout(handler, timeout, ...args);
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},
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clearTimeout(handle) {
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const { delegate } = timeoutProvider;
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return (delegate?.clearTimeout || clearTimeout)(handle as any);
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},
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delegate: undefined,
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};
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