bp_nouveau_member_locate_template_part( string $template = '' )

function bp_nouveau_member_locate_template_part( $template = '' ) {
	$displayed_user = bp_get_displayed_user();
	$bp_nouveau     = bp_nouveau();

	if ( ! $template || empty( $displayed_user->id ) ) {
		return '';
	}

	// Use a global to avoid requesting the hierarchy for each template
	if ( ! isset( $bp_nouveau->members->displayed_user_hierarchy ) ) {
		$bp_nouveau->members->displayed_user_hierarchy = array(
			'members/single/%s-id-' . sanitize_file_name( $displayed_user->id ) . '.php',
			'members/single/%s-nicename-' . sanitize_file_name( $displayed_user->userdata->user_nicename ) . '.php',
		);

		/*
		 * Check for profile types and add it to the hierarchy
		 *
		 * Make sure to register your member
		 * type using the hook 'bp_register_member_types'
		 */
		if ( bp_get_member_types() ) {
			$displayed_user_member_type = bp_get_member_type( $displayed_user->id );
			if ( ! $displayed_user_member_type ) {
				$displayed_user_member_type = 'none';
			}

			$bp_nouveau->members->displayed_user_hierarchy[] = 'members/single/%s-member-type-' . sanitize_file_name( $displayed_user_member_type ) . '.php';
		}

		// And the regular one
		$bp_nouveau->members->displayed_user_hierarchy[] = 'members/single/%s.php';
	}

	$templates = array();

	// Loop in the hierarchy to fill it for the requested template part
	foreach ( $bp_nouveau->members->displayed_user_hierarchy as $part ) {
		$templates[] = sprintf( $part, $template );
	}

	/**
	 * Filters the found template parts for the member template part locating functionality.
	 *
	 * @since BuddyPress 3.0.0
	 *
	 * @param array $templates Array of found templates.
	 */
	return bp_locate_template( apply_filters( 'bp_nouveau_member_locate_template_part', $templates ), false, true );
}