jitsi_app_c0/react/features/display-name/functions.js

/**
 * Appends a suffix to the display name.
 *
 * @param {string} displayName - The display name.
 * @param {string} suffix - Suffix that will be appended.
 * @returns {string} The formatted display name.
 */
export function appendSuffix(displayName, suffix) {
    return `${displayName || suffix || ''}${
        displayName && suffix ? ` (${suffix})` : ''}`;
}