28 lines
825 B
JavaScript
28 lines
825 B
JavaScript
import { debounce } from './debounce.mjs';
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function throttle(func, throttleMs, { signal, edges = ['leading', 'trailing'] } = {}) {
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let pendingAt = null;
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const debounced = debounce(function (...args) {
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pendingAt = Date.now();
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func.apply(this, args);
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}, throttleMs, { signal, edges });
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const throttled = function (...args) {
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if (pendingAt == null) {
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pendingAt = Date.now();
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}
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if (Date.now() - pendingAt >= throttleMs) {
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pendingAt = Date.now();
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func.apply(this, args);
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debounced.cancel();
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debounced.schedule();
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return;
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}
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debounced.apply(this, args);
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};
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throttled.cancel = debounced.cancel;
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throttled.flush = debounced.flush;
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return throttled;
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}
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export { throttle };
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