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

react/features/lobby/functions.ts

@@ -0,0 +1,105 @@
+import { IReduxState } from '../app/types';
+import { getCurrentConference } from '../base/conference/functions';
+import { getVisitorsCount } from '../visitors/functions';
+
+import { IKnockingParticipant } from './types';
+
+
+/**
+* Selector to return lobby enable state.
+*
+* @param {IReduxState} state - State object.
+* @returns {boolean}
+*/
+export function getLobbyEnabled(state: IReduxState) {
+    return state['features/lobby'].lobbyEnabled;
+}
+
+/**
+* Selector to return a list of knocking participants.
+*
+* @param {IReduxState} state - State object.
+* @returns {Array<Object>}
+*/
+export function getKnockingParticipants(state: IReduxState) {
+    return state['features/lobby'].knockingParticipants;
+}
+
+/**
+ * Selector to return lobby visibility.
+ *
+ * @param {IReduxState} state - State object.
+ * @returns {any}
+ */
+export function getIsLobbyVisible(state: IReduxState) {
+    return state['features/lobby'].lobbyVisible;
+}
+
+/**
+ * Selector to return array with knocking participant ids.
+ *
+ * @param {IReduxState} state - State object.
+ * @returns {Array}
+ */
+export function getKnockingParticipantsById(state: IReduxState) {
+    return getKnockingParticipants(state).map(participant => participant.id);
+}
+
+/**
+ * Selector to return the lobby config.
+ *
+ * @param {IReduxState} state - State object.
+ * @returns {Object}
+ */
+export function getLobbyConfig(state: IReduxState) {
+    return state['features/base/config']?.lobby || {};
+}
+
+/**
+ * Function that handles the visibility of the lobby chat message.
+ *
+ * @param {Object} participant - Lobby Participant.
+ * @returns {Function}
+ */
+export function showLobbyChatButton(
+        participant: IKnockingParticipant
+) {
+    return function(state: IReduxState) {
+
+        const { enableChat = true } = getLobbyConfig(state);
+        const { lobbyMessageRecipient, isLobbyChatActive } = state['features/chat'];
+        const conference = getCurrentConference(state);
+
+        const lobbyLocalId = conference?.myLobbyUserId();
+
+        if (!enableChat) {
+            return false;
+        }
+
+        if (!isLobbyChatActive
+        && (!participant.chattingWithModerator
+        || participant.chattingWithModerator === lobbyLocalId)
+        ) {
+            return true;
+        }
+
+        if (isLobbyChatActive && lobbyMessageRecipient
+        && participant.id !== lobbyMessageRecipient.id
+            && (!participant.chattingWithModerator
+                || participant.chattingWithModerator === lobbyLocalId)) {
+            return true;
+        }
+
+        return false;
+    };
+}
+
+/**
+ * Returns true if enabling lobby is allowed and false otherwise.
+ *
+ * @param {IReduxState} state - State object.
+ * @returns {boolean}
+ */
+export function isEnablingLobbyAllowed(state: IReduxState) {
+    return getVisitorsCount(state) <= 0;
+}