project migration to typescript

Project migration to typescript

js/state-saver.worker.js

@@ -1,19 +1,15 @@
+"use strict";
 console.log('[StateWorker] Worker script loaded and running.');
-
 const DB_NAME = 'CanvasNodeDB';
 const STATE_STORE_NAME = 'CanvasState';
 const DB_VERSION = 3;
-
 let db;
-
 function log(...args) {
     console.log('[StateWorker]', ...args);
 }
-
 function error(...args) {
     console.error('[StateWorker]', ...args);
 }
-
 function createDBRequest(store, operation, data, errorMessage) {
     return new Promise((resolve, reject) => {
         let request;
@@ -25,69 +21,59 @@ function createDBRequest(store, operation, data, errorMessage) {
                 reject(new Error(`Unknown operation: ${operation}`));
                 return;
         }
-
         request.onerror = (event) => {
             error(errorMessage, event.target.error);
             reject(errorMessage);
         };
-
         request.onsuccess = (event) => {
             resolve(event.target.result);
         };
     });
 }
-
 function openDB() {
     return new Promise((resolve, reject) => {
         if (db) {
             resolve(db);
             return;
         }
-
         const request = indexedDB.open(DB_NAME, DB_VERSION);
-
         request.onerror = (event) => {
             error("IndexedDB error:", event.target.error);
             reject("Error opening IndexedDB.");
         };
-
         request.onsuccess = (event) => {
             db = event.target.result;
             log("IndexedDB opened successfully in worker.");
             resolve(db);
         };
-
         request.onupgradeneeded = (event) => {
             log("Upgrading IndexedDB in worker...");
             const tempDb = event.target.result;
             if (!tempDb.objectStoreNames.contains(STATE_STORE_NAME)) {
-                tempDb.createObjectStore(STATE_STORE_NAME, {keyPath: 'id'});
+                tempDb.createObjectStore(STATE_STORE_NAME, { keyPath: 'id' });
             }
         };
     });
 }
-
 async function setCanvasState(id, state) {
     const db = await openDB();
     const transaction = db.transaction([STATE_STORE_NAME], 'readwrite');
     const store = transaction.objectStore(STATE_STORE_NAME);
-    await createDBRequest(store, 'put', {id, state}, "Error setting canvas state");
+    await createDBRequest(store, 'put', { id, state }, "Error setting canvas state");
 }
-
-self.onmessage = async function(e) {
+self.onmessage = async function (e) {
     log('Message received from main thread:', e.data ? 'data received' : 'no data');
     const { state, nodeId } = e.data;
-
     if (!state || !nodeId) {
         error('Invalid data received from main thread');
         return;
     }
-
     try {
         log(`Saving state for node: ${nodeId}`);
         await setCanvasState(nodeId, state);
         log(`State saved successfully for node: ${nodeId}`);
-    } catch (err) {
+    }
+    catch (err) {
         error(`Failed to save state for node: ${nodeId}`, err);
     }
 };