esa-cli/dist/utils/debounce.js

A CLI for operating Alibaba Cloud ESA Functions and Pages.

export default function debounce(func, wait, immediate = false) {
    let timeoutId = null;
    return (...args) => {
        const later = () => {
            timeoutId = null;
            if (!immediate)
                func(...args);
        };
        const shouldCallNow = immediate && timeoutId === null;
        if (timeoutId !== null) {
            clearTimeout(timeoutId);
        }
        timeoutId = setTimeout(later, wait);
        if (shouldCallNow) {
            func(...args);
        }
    };
}