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31 lines
698 B
JavaScript
31 lines
698 B
JavaScript
/**
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* Debounce a function to delay invoking until wait (ms) have elapsed since the last invocation.
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* @param {function(...*): *} fn The function to be debounced.
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* @param {number} wait Milliseconds to wait before invoking again.
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* @return {function(...*): void} The debounced function.
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*/
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function debounce(fn, wait) {
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/**
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* A cached setTimeout handler.
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* @type {number | undefined}
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*/
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let timer;
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/**
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* @returns {void}
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*/
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function debounced() {
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const context = this;
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const args = arguments;
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clearTimeout(timer);
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timer = setTimeout(function () {
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return fn.apply(context, args);
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}, wait);
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}
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return debounced;
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}
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module.exports = debounce;
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