/*
* 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.
*/
const debounce = (func, wait, immediate) => {
let timeout;
return () => {
const context = this;
const later = () => {
timeout = null;
if (!immediate) {
func.apply(context);
}
};
const callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) {
func.apply(context);
}
};
};
export default debounce;
|