ArtPlayer/packages/artplayer/src/utils/time.js

export function sleep(ms = 0) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

export function debounce(func, wait, context) {
    let timeout;
    function fn(...args) {
        const later = function later() {
            timeout = null;
            func.apply(context, args);
        };
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
    }

    fn.clearTimeout = function ct() {
        clearTimeout(timeout);
    };

    return fn;
}

export function throttle(callback, delay) {
    let isThrottled = false;
    let args;
    let context;
    function fn(...args2) {
        if (isThrottled) {
            args = args2;
            context = this;
            return;
        }

        isThrottled = true;
        callback.apply(this, args2);
        setTimeout(() => {
            isThrottled = false;
            if (args) {
                fn.apply(context, args);
                args = null;
                context = null;
            }
        }, delay);
    }
    return fn;
}