Method _removeDatabaseIfCorrupt

newIDE/app/src/Utils/ProjectCache.js:63–109

()

  }

  static async _removeDatabaseIfCorrupt(): Promise<void> {
    const databases = await window.indexedDB.databases();
    if (
      !databases.find(
        database => database.name === CLOUD_PROJECT_AUTOSAVE_CACHE_KEY
      )
    ) {
      // The database does not exist so it cannot be corrupt.
      return;
    }
    // Check that the database is not in a corrupt state where the object store does
    // not exist. If it does not exist, the autosave feature won't work and the database
    // needs to be removed and recreated.
    await new Promise((resolve, reject) => {
      const request = window.indexedDB.open(CLOUD_PROJECT_AUTOSAVE_CACHE_KEY);
      request.onsuccess = event => {
        const db = event.target.result;
        if (db.objectStoreNames.contains(objectStoreScope)) {
          // The object store exists, there is nothing else to do.
          resolve();
        } else {
          console.warn(
            'The cloud project autosave indexed db exist but the object store is not available. Deleting the indexedDB...'
          );
          db.close();
          const req = window.indexedDB.deleteDatabase(
            CLOUD_PROJECT_AUTOSAVE_CACHE_KEY
          );

          req.onsuccess = function() {
            console.warn('Deleted indexedDB successfully!');
            resolve();
          };
          req.onerror = function(event) {
            console.error("Couldn't delete indexedDB: ", event);
            reject();
          };
          req.onblocked = function() {
            console.error(
              "Couldn't delete indexedDB due to the operation being blocked."
            );
            reject();
          };
        }
      };
    });
  }

  _initializeDatabase(): any {
    if (!this.databasePromise) {