jiti-meet/react/features/toolbox/functions.any.js

// @flow

/**
 * Indicates if the audio mute button is disabled or not.
 *
 * @param {Object} state - The state from the Redux store.
 * @returns {boolean}
 */
export function isAudioMuteButtonDisabled(state: Object) {
    const { available, muted, unmuteBlocked } = state['features/base/media'].audio;

    return !available || (muted && unmuteBlocked);
}