Method loadSettingsFromStorage

src/background/user-storage.ts:93–155

()

    }

    private static async loadSettingsFromStorage(): Promise<UserSettings> {
        if (UserStorage.loadBarrier) {
            return await UserStorage.loadBarrier.entry();
        }
        UserStorage.loadBarrier = new PromiseBarrier();

        let local = await readLocalStorage(DEFAULT_SETTINGS);

        if (local.schemeVersion < 2) {
            const sync = await readSyncStorage({schemeVersion: 0});
            if (!sync || sync.schemeVersion < 2) {
                const deprecatedDefaults = {
                    siteList: [],
                    siteListEnabled: [],
                    applyToListedOnly: false,
                };
                const localDeprecated = await readLocalStorage(deprecatedDefaults);
                const localTransformed = UserStorage.migrateSiteListsV2(localDeprecated);
                await writeLocalStorage({schemeVersion: 2, ...localTransformed});
                await removeLocalStorage(Object.keys(deprecatedDefaults));

                const syncDeprecated = await readSyncStorage(deprecatedDefaults);
                const syncTransformed = UserStorage.migrateSiteListsV2(syncDeprecated);
                await writeSyncStorage({schemeVersion: 2, ...syncTransformed});
                await removeSyncStorage(Object.keys(deprecatedDefaults));

                local = await readLocalStorage(DEFAULT_SETTINGS);
            }
        }

        const {errors: localCfgErrors} = validateSettings(local);
        localCfgErrors.forEach((err) => logWarn(err));
        if (local.syncSettings == null) {
            local.syncSettings = DEFAULT_SETTINGS.syncSettings;
        }
        if (!local.syncSettings) {
            UserStorage.migrateAutomationSettings(local);
            UserStorage.migrateBuiltInSVGFilterToCSSFilter(local);
            UserStorage.fillDefaults(local);
            UserStorage.loadBarrier.resolve(local);
            return local;
        }

        const $sync = await readSyncStorage(DEFAULT_SETTINGS);
        if (!$sync) {
            logWarn('Sync settings are missing');
            local.syncSettings = false;
            UserStorage.set({syncSettings: false});
            UserStorage.saveSyncSetting(false);
            UserStorage.loadBarrier.resolve(local);
            return local;
        }

        const {errors: syncCfgErrors} = validateSettings($sync);
        syncCfgErrors.forEach((err) => logWarn(err));

        UserStorage.migrateAutomationSettings($sync);
        UserStorage.migrateBuiltInSVGFilterToCSSFilter($sync);