stream-chat-react-native-core/lib/commonjs/components/Chat/hooks/useInitializeOfflineDb.js

The official React Native and Expo components for Stream Chat, a service for building chat applications

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useInitializeOfflineDb = void 0;
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
var _useStableCallback = require("../../../hooks/useStableCallback");
var _OfflineDB = require("../../../store/OfflineDB");
var _SqliteClient = require("../../../store/SqliteClient");
var useInitializeOfflineDb = ({
  client,
  enabled,
  options,
  userID
}) => {
  var _useState = (0, _react.useState)(),
    _useState2 = (0, _slicedToArray2.default)(_useState, 2),
    initializationError = _useState2[0],
    setInitializationError = _useState2[1];
  var _ref = options != null ? options : {},
    getEncryptionKey = _ref.getEncryptionKey,
    maxSyncEventsLimit = _ref.maxSyncEventsLimit;
  var resolveEncryptionKey = (0, _useStableCallback.useStableCallback)(() => {
    var _getEncryptionKey;
    return (_getEncryptionKey = getEncryptionKey == null ? void 0 : getEncryptionKey()) != null ? _getEncryptionKey : Promise.resolve(undefined);
  });
  var isEncryptionEnabled = !!getEncryptionKey;
  var initialize = (0, _react.useCallback)((0, _asyncToGenerator2.default)(function* () {
    if (!(userID && enabled)) {
      return;
    }
    if (!client.offlineDb) {
      var keyGetter = isEncryptionEnabled ? resolveEncryptionKey : undefined;
      if (keyGetter) {
        _SqliteClient.SqliteClient.getEncryptionKey = keyGetter;
        try {
          yield _SqliteClient.SqliteClient.preflightEncryption();
        } catch (error) {
          if (error instanceof _SqliteClient.SqliteClientError) {
            setInitializationError(error);
            return;
          }
          throw error;
        }
      }
      client.setOfflineDBApi(new _OfflineDB.OfflineDB({
        client,
        getEncryptionKey: keyGetter,
        maxSyncEventsLimit
      }));
    }
    var offlineDb = client.offlineDb;
    if (offlineDb) {
      yield offlineDb.init(userID);
      setInitializationError(offlineDb instanceof _OfflineDB.OfflineDB ? offlineDb.initializationError : undefined);
    }
  }), [client, enabled, isEncryptionEnabled, maxSyncEventsLimit, resolveEncryptionKey, userID]);
  (0, _react.useEffect)(() => {
    initialize();
  }, [initialize]);
  if (initializationError) {
    throw initializationError;
  }
};
exports.useInitializeOfflineDb = useInitializeOfflineDb;
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