https://mam.org.br/wp-content/themes/mam-theme/js/storage.js?ver=2026.08.26.3

1/**
2 * Local Storage com data de expiração
3 * 
4 * @link https://javascript.plainenglish.io/implement-localstorage-with-expiry-time-a2af662f7705
5 * 
6 */
7
8window.timedLocalStorage = {
9    /**
10     * Separar as chaves conforme o idioma atual, para o cache não fique o mesmo entre idiomas.
11     * 
12     */
13    getKey(rawkey){
14        let lang = document.getElementsByTagName('html')[0].getAttribute('lang');
15        return `${rawkey}-${lang}`;
16    },
17    getItem(rawkey){
18        let key  = this.getKey(rawkey);
19
20        // getting the data from localStorage using the key
21        let result = JSON.parse(window.localStorage.getItem(key));
22
23        if(result){
24            /**
25             * if data expireTime is less then current time
26             * means item has expired,
27             * in this case removing the item using the key
28             * and return the null.
29             */
30            if(result.expireTime <= Date.now()){
31                window.localStorage.removeItem(key);
32                return null;
33            }
34            // else return the data.
35            return result.data;
36        }
37        //if there is no data provided the key, return null.
38        return null;
39    },
40    /**
41     * accepting the key, value and expiry time as a parameter
42     * default expiry time is 1 day in milliseconds.
43     */
44    setItem(rawkey, value, maxAge = 24 * 60 * 60 * 1000){
45        let key  = this.getKey(rawkey);
46
47        // Storing the value in object.
48        let result = {
49            data:value
50        }
51
52        /**
53         * setting the expireTime currentTime + expiry Time 
54         * provided when method was called.
55         */
56        if(maxAge){
57            result.expireTime=Date.now() + maxAge;
58        }
59        window.localStorage.setItem(key,JSON.stringify(result));
60    },
61    removeItem(rawkey){
62        let key  = this.getKey(rawkey);
63        window.localStorage.removeItem(key);
64    },
65    clear(){
66        window.localStorage.clear();
67    }
68}