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function debounce(func, n) {
let timer = null;
return (...args) => {
clearTimeout(timer);
timer = setTimeout(func, n, ...args);
};
}
function throttle(func, n) {
let throttling = false;
let last_args = null;
let last_call = Date.now();
let timeout = null;
return (...args) => {
if (!throttling) {
last_call = Date.now();
if (last_args) {
func.apply(this, last_args);
last_args = null;
} else {
func(...args);
}
throttling = true;
if (timeout) {
clearTimeout(timeout);
}
timeout = setTimeout(
() => {
throttling = false;
if (last_args) {
func.apply(this, last_args);
}
},
n - (Date.now() - last_call),
);
} else {
last_args = args;
}
};
}
module.exports = {
debounce,
throttle,
};
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