Function loadStoredTab

frontend/src/store/modules/sqlEditor/legacy/migration.ts:81–115

(id: string)

  };

  const loadStoredTab = async (id: string) => {
    const stored = getStorage().load<PersistentTab | undefined>(
      keyForTab(id),
      undefined
    );
    if (!stored) {
      return undefined;
    }
    const tab: SQLEditorTab = {
      ...defaultSQLEditorTab(),
      // Ignore extended fields stored in localStorage since they are migrated
      // to extendedTabStore.
      ...omit(stored, EXTENDED_TAB_FIELDS),
      id,
    };
    if (tab.mode !== DEFAULT_SQL_EDITOR_TAB_MODE) {
      // Do not enter ADMIN mode initially
      tab.mode = DEFAULT_SQL_EDITOR_TAB_MODE;
    }

    await fetchExtendedTab(tab, () => {
      // When the first time of migration, the extended doc in IndexedDB is not
      // found.
      // Fallback to the original PersistentTab in LocalStorage if possible.
      // This might happen only once to each user, since the second time when a
      // tab is saved, extended fields will be migrated, and won't be saved to
      // LocalStorage, so the fallback routine won't be hit.
      const { statement } = stored as LegacyStoredTab;
      if (statement) {
        tab.statement = statement;
      }
    });

    return tab;
  };

  const entries = [...Object.entries(tabIdListMapByProject)];
  for (const [project, tabIds] of entries) {