@geogirafe/lib-geoportal/tools/utils/debounce.js

GeoGirafe is a flexible application to build online geoportals.

// SPDX-License-Identifier: Apache-2.0
/**
 * @param {T} func The function to debounce.
 * @param {number} wait The wait time in ms.
 * @returns {T} The wrapper function.
 * @template T
 */
export function debounce(func, wait) {
    let timeout = null;
    return function (...args) {
        const later = () => {
            timeout = null;
            // @ts-expect-error can't know type of T
            func.apply(this, args);
        };
        if (timeout !== null) {
            clearTimeout(timeout);
        }
        timeout = window.setTimeout(later, wait);
    };
}