@stimulus-library/utilities/dist/debounce.js

A library of useful controllers for Stimulus

export function debounce(func, wait, immediate = false, timoutName) {
    timoutName = timoutName || "activeTimeout";
    let timeout;
    return function (...args) {
        const later = () => {
            timeout = null;
            if (!immediate) {
                func.apply(this, args);
            }
        };
        const callNow = immediate && !timeout;
        if (timeout) {
            clearTimeout(timeout);
        }
        timeout = setTimeout(later, wait);
        this[timoutName] = timeout;
        if (callNow) {
            func.apply(this, args);
        }
    };
}