dump-idb

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javascript:fetch(%22https%3A%2F%2Fgist.githubusercontent.com%2Fkirjavascript%2Fa9a953b933e02dc637628dbf9e0a3751%2Fraw%2Fdump-idb.js%3F%22%2BMath.random()).then(res%3D%3Eres.text()).then(text%3D%3E(0%2Ceval)(text)).catch(console.error)

dump-idb.js

(async function() {
  // Function to download data as a file
  function download(data, filename, type) {
    const file = new Blob([data], { type: type });
    const a = document.createElement('a');
    const url = URL.createObjectURL(file);
    a.href = url;
    a.download = filename;
    document.body.appendChild(a);
    a.click();
    setTimeout(() => {
      document.body.removeChild(a);
      window.URL.revokeObjectURL(url);
    }, 0);
  }

  // Function to get all data from an object store
  async function getAllData(db, storeName) {
    return new Promise((resolve, reject) => {
      const transaction = db.transaction(storeName, 'readonly');
      const objectStore = transaction.objectStore(storeName);
      const request = objectStore.getAll();
      request.onsuccess = (event) => {
        resolve(event.target.result);
      };
      request.onerror = (event) => {
        reject(event.target.error);
      };
    });
  }

  // Function to get the names of all object stores in a database
  async function getObjectStoreNames(db) {
    return Array.from(db.objectStoreNames);
  }

  // Main function to dump the IndexedDB
  async function dumpIndexedDB() {
    const idbData = {};

    // Open all databases
    const databases = await indexedDB.databases();
    for (const { name, version } of databases) {
      const dbOpenRequest = indexedDB.open(name, version);
      dbOpenRequest.onupgradeneeded = (event) => {
        event.target.transaction.abort();
      };
      const db = await new Promise((resolve, reject) => {
        dbOpenRequest.onsuccess = (event) => {
          resolve(event.target.result);
        };
        dbOpenRequest.onerror = (event) => {
          reject(event.target.error);
        };
      });

      idbData[name] = {};
      const storeNames = await getObjectStoreNames(db);

      // Fetch data from all object stores
      for (const storeName of storeNames) {
        const data = await getAllData(db, storeName);
        idbData[name][storeName] = data;
      }
      db.close();
    }

    return idbData;
  }

  try {
    const idbData = await dumpIndexedDB();
    const json = JSON.stringify(idbData, null, 2);
    download(json, 'idb_dump.txt', 'text/plain');
  } catch (error) {
    console.error('Failed to dump IndexedDB:', error);
    alert('Error dumping IndexedDB: ' + error.message);
  }
})();