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27 lines
867 B
JavaScript
27 lines
867 B
JavaScript
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/**
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* Returns a function, that, as long as it continues to be invoked, will not
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* be triggered. The function will be called after it stops being called for
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* N milliseconds. If `immediate` is passed, trigger the function on the
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* leading edge, instead of the trailing.
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* @attribution https://davidwalsh.name/javascript-debounce-function
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* @param func
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* @param wait
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* @param immediate
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* @returns {Function}
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*/
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export function debounce(func, wait, immediate) {
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let timeout;
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return function() {
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const context = this, args = arguments;
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const later = function() {
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timeout = null;
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if (!immediate) func.apply(context, args);
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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, wait);
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if (callNow) func.apply(context, args);
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};
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}; |