Shared_Storage_Bridge

Shared_Storage_Bridge script for the extension

Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greasyfork.org/scripts/566657/1756895/Shared_Storage_Bridge.js

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Shared_Storage_Bridge
// @description  Shared_Storage_Bridge script for the extension
// @version      0.1
// ==/UserScript==
 function createSharedStorages({ timeout = 3000, maxRetries = 3 } = {}) {
        const pendingRequests = new Map();

        function generateRequestId() {
            return Math.random().toString(36).substring(2, 10);
        }

        function send(action, key, value = null) {
            const id = generateRequestId();
            let attempts = 0;

            return new Promise((resolve, reject) => {
                const trySend = () => {
                    attempts++;

                    const timer = setTimeout(() => {
                        pendingRequests.delete(id);
                        if (attempts < maxRetries) {
                            trySend(); // Retry
                        } else {
                            reject(new Error(`Request timed out after ${maxRetries} attempts`));
                        }
                    }, timeout);

                    // Store resolver to be called on success
                    pendingRequests.set(id, (msg) => {
                        clearTimeout(timer);
                        resolve(msg);
                    });

                    // Send message
                    window.postMessage(
                        { direction: "toExtension", action, key, value, requestId: id },
                        "*"
                    );
                };

                trySend(); // Initial attempt
            });
        }
        // Listen for responses
        window.addEventListener("message", function (event) {
            const msg = event.data;
            if (msg?.direction !== "fromExtension") return;

            const { requestId } = msg;
            if (requestId && pendingRequests.has(requestId)) {
                const resolver = pendingRequests.get(requestId);
                pendingRequests.delete(requestId);
                resolver(msg);
            }
        });

        return { send };
    }
    window.SharedStorages = createSharedStorages();

    const getSharedStorages = async (key) => {
        let { value } = await window.SharedStorages.send("get", key);
        try { return JSON.parse(value); } catch { return value; }
    };

    const setSharedStorages = (key, value) => window.SharedStorages.send("set", key, JSON.stringify(value));

    const deleteSharedStorages = (key) => window.SharedStorages.send("delete", key);