https://retrobiocat.com/static/js/cookiealert.js

1/*
2 * Bootstrap Cookie Alert by Wruczek
3 * https://github.com/Wruczek/Bootstrap-Cookie-Alert
4 * Released under MIT license
5 */
6(function () {
7    "use strict";
8
9    var cookieAlert = document.querySelector(".cookiealert");
10    var acceptCookies = document.querySelector(".acceptcookies");
11
12    if (!cookieAlert) {
13       return;
14    }
15
16    cookieAlert.offsetHeight; // Force browser to trigger reflow (https://stackoverflow.com/a/39451131)
17
18    // Show the alert if we cant find the "acceptCookies" cookie
19    if (!getCookie("acceptCookies")) {
20        cookieAlert.classList.add("show");
21    }
22
23    // When clicking on the agree button, create a 1 year
24    // cookie to remember user's choice and close the banner
25    acceptCookies.addEventListener("click", function () {
26        setCookie("acceptCookies", true, 365);
27        cookieAlert.classList.remove("show");
28    });
29
30    // Cookie functions from w3schools
31    function setCookie(cname, cvalue, exdays) {
32        var d = new Date();
33        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
34        var expires = "expires=" + d.toUTCString();
35        document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
36    }
37
38    function getCookie(cname) {
39        var name = cname + "=";
40        var decodedCookie = decodeURIComponent(document.cookie);
41        var ca = decodedCookie.split(';');
42        for (var i = 0; i < ca.length; i++) {
43            var c = ca[i];
44            while (c.charAt(0) === ' ') {
45                c = c.substring(1);
46            }
47            if (c.indexOf(name) === 0) {
48                return c.substring(name.length, c.length);
49            }
50        }
51        return "";
52    }
53})();