| 1 | import { AsyncIterableX } from './asynciterablex';
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| 2 | export class ThrottleAsyncIterable extends AsyncIterableX {
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| 3 | constructor(source, time) {
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| 4 | super();
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| 5 | this._source = source;
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| 6 | this._time = time;
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| 7 | }
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| 8 | async *[Symbol.asyncIterator]() {
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| 9 | let currentTime, previousTime;
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| 10 | for await (const item of this._source) {
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| 11 | currentTime = Date.now();
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| 12 | if (!previousTime || currentTime - previousTime > this._time) {
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| 13 | previousTime = currentTime;
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| 14 | yield item;
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| 15 | }
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| 16 | }
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| 17 | }
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| 18 | }
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| 19 | export function throttle(source, time) {
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| 20 | return new ThrottleAsyncIterable(source, time);
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| 21 | }
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| 22 |
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| 23 |
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