@datalayer/core/lib/utils/Cookie.js

**Datalayer Core**

/*
 * Copyright (c) 2023-2025 Datalayer, Inc.
 * Distributed under the terms of the Modified BSD License.
 */
/**
 * Get a cookie from the document.
 */
export function getCookie(cname) {
    // From http://www.tornadoweb.org/en/stable/guide/security.html
    let cookie;
    try {
        cookie = document.cookie;
    }
    catch (e) {
        // e.g. SecurityError in case of CSP Sandbox
        return cookie;
    }
    // From https://www.w3schools.com/js/js_cookies.asp
    const name = cname + "=";
    const decodedCookie = decodeURIComponent(document.cookie);
    const ca = decodedCookie.split(';');
    for (let i = 0; i < ca.length; i++) {
        let c = ca[i];
        while (c.charAt(0) === ' ') {
            c = c.substring(1);
        }
        if (c.indexOf(name) === 0) {
            return c.substring(name.length, c.length);
        }
    }
}
/**
 * Set a cookie in the document.
 */
export function setCookie(name, value, path = '/') {
    //  document.cookie = "username=John Doe; expires=Thu, 18 Dec 2013 12:00:00 UTC; path=/";
    const expire = new Date();
    const time = expire.getTime();
    const expireTime = time + 1000 * 36000;
    expire.setTime(expireTime);
    document.cookie = `${name}=${value}; expires=${expire.toUTCString()}; SameSite=Lax; path=${path}`;
}
/**
 * Set a cookie in the document.
 */
export function deleteCookie(name) {
    document.cookie = `${name}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;`;
}