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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | 54x 1143x 1143x 1143x 8x 8x 8x 1143x 1143x 1143x 1143x 54x 54x | // Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing.
// The callback function returned is assigned a clearDebounceTimeout function
// that provides for clearing the timeout/debounced function so that it is not called.
function debounce(func, wait, immediate) {
var timeout;
const callback = function () {
var context = this,
args = arguments;
var later = function () {
timeout = null;
if (!immediate) {
func.apply(context, args);
}
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
Iif (callNow) {
func.apply(context, args);
}
};
callback.clearDebounceTimeout = () => {
clearTimeout(timeout);
timeout = null;
};
return callback;
}
export default debounce;
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