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30 lines
713 B
JavaScript
30 lines
713 B
JavaScript
/**
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* @file
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* @copyright 2020 Aleksej Komarov
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* @license MIT
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*/
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/**
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* Returns a function, that, as long as it continues to be invoked, will
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* not be triggered. The function will be called after it stops being
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* called for N milliseconds. If `immediate` is passed, trigger the
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* function on the leading edge, instead of the trailing.
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*/
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export const debounce = (fn, time, immediate = false) => {
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let timeout;
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return (...args) => {
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const later = () => {
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timeout = null;
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if (!immediate) {
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fn(...args);
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}
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};
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const callNow = immediate && !timeout;
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clearTimeout(timeout);
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timeout = setTimeout(later, time);
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if (callNow) {
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fn(...args);
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}
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};
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};
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