jiti-meet/react/features/base/participants/functions.js

48 lines
1.6 KiB
JavaScript

/**
* Returns local participant from Redux state.
*
* @param {(Function|Participant[])} participantsOrGetState - Either the
* features/base/participants Redux state or Redux's getState function to be
* used to retrieve the features/base/participants state.
* @returns {(Participant|undefined)}
*/
export function getLocalParticipant(participantsOrGetState) {
const participants = _getParticipants(participantsOrGetState);
return participants.find(p => p.local);
}
/**
* Returns participant by ID from Redux state.
*
* @param {(Function|Participant[])} participantsOrGetState - Either the
* features/base/participants Redux state or Redux's getState function to be
* used to retrieve the features/base/participants state.
* @param {string} id - The ID of the participant to retrieve.
* @private
* @returns {(Participant|undefined)}
*/
export function getParticipantById(participantsOrGetState, id) {
const participants = _getParticipants(participantsOrGetState);
return participants.find(p => p.id === id);
}
/**
* Returns array of participants from Redux state.
*
* @param {(Function|Participant[])} participantsOrGetState - Either the
* features/base/participants Redux state or Redux's getState function to be
* used to retrieve the features/base/participants state.
* @private
* @returns {Participant[]}
*/
function _getParticipants(participantsOrGetState) {
const participants
= typeof participantsOrGetState === 'function'
? participantsOrGetState()['features/base/participants']
: participantsOrGetState;
return participants || [];
}