get_post_format_link()

get_post_format_link( string $format ): string|WP_Error|false

function get_post_format_link( $format ) {
	$term = get_term_by( 'slug', 'post-format-' . $format, 'post_format' );
	if ( ! $term || is_wp_error( $term ) ) {
		return false;
	}
	return get_term_link( $term );
}