-module(json_canvas@edge@endpoint_shape).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([decode_endpoint_shape/1]).
-export_type([endpoint_shape/0]).

-type endpoint_shape() :: with_arrow | without_arrow.

-spec decode_endpoint_shape(gleam@dynamic:dynamic_()) -> {ok, endpoint_shape()} |
    {error, list(gleam@dynamic:decode_error())}.
decode_endpoint_shape(Dyn) ->
    gleam@result:'try'(gleam@dynamic:string(Dyn), fun(Shape) -> case Shape of
                <<"none"/utf8>> ->
                    {ok, without_arrow};

                <<"arrow"/utf8>> ->
                    {ok, with_arrow};

                _ ->
                    {error,
                        [{decode_error, <<"none or arrow"/utf8>>, Shape, []}]}
            end end).