snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/base/lib-jitsi-meet/middleware.ts

@@ -0,0 +1,74 @@
+import { AnyAction } from 'redux';
+
+import { IStore } from '../../app/types';
+import { SET_CONFIG } from '../config/actionTypes';
+import { SET_NETWORK_INFO } from '../net-info/actionTypes';
+import { PARTICIPANT_LEFT } from '../participants/actionTypes';
+import MiddlewareRegistry from '../redux/MiddlewareRegistry';
+
+import JitsiMeetJS from './_';
+import { disposeLib, initLib } from './actions';
+
+/**
+ * Middleware that captures PARTICIPANT_LEFT action for a local participant
+ * (which signalizes that we finally left the app) and disposes lib-jitsi-meet.
+ * Also captures SET_CONFIG action and disposes previous instance (if any) of
+ * lib-jitsi-meet, and initializes a new one with new config.
+ *
+ * @param {Store} store - Redux store.
+ * @private
+ * @returns {Function}
+ */
+MiddlewareRegistry.register(store => next => action => {
+    switch (action.type) {
+    case SET_NETWORK_INFO:
+        JitsiMeetJS.setNetworkInfo({
+            isOnline: action.isOnline
+        });
+        break;
+
+    case PARTICIPANT_LEFT:
+        action.participant.local && store.dispatch(disposeLib());
+        break;
+
+    case SET_CONFIG:
+        return _setConfig(store, next, action);
+    }
+
+    return next(action);
+});
+
+/**
+ * Notifies the feature base/lib-jitsi-meet that the action SET_CONFIG is being
+ * dispatched within a specific Redux store.
+ *
+ * @param {Store} store - The Redux store in which the specified action is being
+ * dispatched.
+ * @param {Dispatch} next - The Redux dispatch function to dispatch the
+ * specified action to the specified store.
+ * @param {Action} action - The Redux action SET_CONFIG which is being
+ * dispatched in the specified store.
+ * @private
+ * @returns {Object} The new state that is the result of the reduction of the
+ * specified action.
+ */
+function _setConfig({ dispatch, getState }: IStore, next: Function, action: AnyAction) {
+    const { initialized } = getState()['features/base/lib-jitsi-meet'];
+
+    // XXX Since the config is changing, the library lib-jitsi-meet must be
+    // initialized again with the new config. Consequently, it may need to be
+    // disposed of first.
+    // TODO Currently, disposeLib actually does not dispose of lib-jitsi-meet
+    // because lib-jitsi-meet does not implement such functionality.
+    if (initialized) {
+        dispatch(disposeLib());
+    }
+
+    // Let the new config into the Redux store (because initLib will read it
+    // from there).
+    const result = next(action);
+
+    dispatch(initLib());
+
+    return result;
+}