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15 lines
472 B
TypeScript
15 lines
472 B
TypeScript
import { TimestampProvider } from '../types';
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interface PerformanceTimestampProvider extends TimestampProvider {
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delegate: TimestampProvider | undefined;
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}
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export const performanceTimestampProvider: PerformanceTimestampProvider = {
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now() {
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// Use the variable rather than `this` so that the function can be called
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// without being bound to the provider.
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return (performanceTimestampProvider.delegate || performance).now();
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},
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delegate: undefined,
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};
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