stream-chat-react-native-core/lib/module/components/Chat/hooks/useIsOnline.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.useIsOnline = void 0;
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
var _react = require("react");
var _netinfo = _interopRequireDefault(require("@react-native-community/netinfo"));
var _useAppStateListener = require("../../../hooks/useAppStateListener");
var _useIsMountedRef = require("../../../hooks/useIsMountedRef");
var useIsOnline = (client, closeConnectionOnBackground = true) => {
  var _useState = (0, _react.useState)(null),
    _useState2 = (0, _slicedToArray2.default)(_useState, 2),
    isOnline = _useState2[0],
    setIsOnline = _useState2[1];
  var _useState3 = (0, _react.useState)(false),
    _useState4 = (0, _slicedToArray2.default)(_useState3, 2),
    connectionRecovering = _useState4[0],
    setConnectionRecovering = _useState4[1];
  var isMounted = (0, _useIsMountedRef.useIsMountedRef)();
  var clientExists = !!client;
  var onBackground = (0, _react.useCallback)(() => {
    if (!closeConnectionOnBackground || !clientExists) {
      return;
    }
    client.closeConnection();
    setIsOnline(false);
  }, [closeConnectionOnBackground, client, clientExists]);
  var onForeground = (0, _react.useCallback)(() => {
    if (!clientExists || !client.userID) {
      return;
    }
    client.openConnection();
  }, [client, clientExists]);
  (0, _useAppStateListener.useAppStateListener)(onForeground, onBackground);
  (0, _react.useEffect)(() => {
    var handleChangedEvent = event => {
      setConnectionRecovering(!event.online);
      setIsOnline(event.online || false);
    };
    var handleRecoveredEvent = () => setConnectionRecovering(false);
    var notifyChatClient = isConnected => {
      if (client?.wsConnection && isConnected) {
        if (isConnected) {
          client.wsConnection.onlineStatusChanged({
            type: 'online'
          });
        } else {
          client.wsConnection.onlineStatusChanged({
            type: 'offline'
          });
        }
      }
    };
    var unsubscribeNetInfo;
    var setNetInfoListener = () => {
      unsubscribeNetInfo = _netinfo.default.addEventListener(netInfoState => {
        if (!netInfoState && !client.wsConnection?.isHealthy) {
          setConnectionRecovering(true);
          setIsOnline(false);
        }
        var isConnected = netInfoState.isConnected,
          isInternetReachable = netInfoState.isInternetReachable;
        notifyChatClient(isInternetReachable !== null ? isInternetReachable && isConnected : isConnected);
      });
    };
    var setInitialOnlineState = function () {
      var _ref = (0, _asyncToGenerator2.default)(function* () {
        var _yield$NetInfo$fetch = yield _netinfo.default.fetch(),
          isConnected = _yield$NetInfo$fetch.isConnected;
        if (isMounted.current) {
          setIsOnline(isConnected);
          notifyChatClient(isConnected);
        }
      });
      return function setInitialOnlineState() {
        return _ref.apply(this, arguments);
      };
    }();
    setInitialOnlineState();
    var chatListeners = [];
    if (client) {
      chatListeners.push(client.on('connection.changed', handleChangedEvent));
      chatListeners.push(client.on('connection.recovered', handleRecoveredEvent));
      setNetInfoListener();
    }
    return () => {
      chatListeners.forEach(listener => listener.unsubscribe?.());
      unsubscribeNetInfo?.();
    };
  }, [clientExists]);
  return {
    connectionRecovering,
    isOnline
  };
};
exports.useIsOnline = useIsOnline;
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