papermark/lib/webstorage.ts

/**
 * Provides a wrapper around localStorage(and sessionStorage(TODO when needed)) to avoid errors in case of restricted storage access.
 *
 * TODO: In case of an embed if localStorage is not available(third party), use localStorage of parent(first party) that contains the iframe.
 */
export const localStorage = {
    getItem(key: string) {
        try {
            return window.localStorage.getItem(key);
        } catch (e) {
            // In case storage is restricted. Possible reasons
            // 1. Third Party Context in Chrome Incognito mode.
            return null;
        }
    },
    setItem(key: string, value: string) {
        try {
            window.localStorage.setItem(key, value);
        } catch (e) {
            // In case storage is restricted. Possible reasons
            // 1. Third Party Context in Chrome Incognito mode.
            // 2. Storage limit reached
            return;
        }
    },
    removeItem: (key: string) => {
        try {
            window.localStorage.removeItem(key);
        } catch (e) {
            return;
        }
    },
};