-module(gleam@javascript).
-compile(no_auto_import).

-export([type_of/1, get_symbol/1, dereference/1, set_reference/2, make_reference/1, update_reference/2]).
-export_type([type_of/0, symbol/0, reference_/1]).

-type type_of() :: undefined_type |
    object_type |
    boolean_type |
    number_type |
    big_int_type |
    string_type |
    symbol_type |
    function_type.

-type symbol() :: any().

-type reference_(Value) :: any() | {gleam_phantom, Value}.

-spec type_of(any()) -> type_of().
type_of(A) ->
    '../ffi.mjs':type_of(A).

-spec get_symbol(binary()) -> symbol().
get_symbol(A) ->
    '../ffi.mjs':get_symbol(A).

-spec dereference(reference_(AH)) -> AH.
dereference(A) ->
    '../ffi.mjs':dereference(A).

-spec set_reference(reference_(AJ), AJ) -> AJ.
set_reference(A, B) ->
    '../ffi.mjs':set_reference(A, B).

-spec make_reference(AL) -> reference_(AL).
make_reference(A) ->
    '../ffi.mjs':make_reference(A).

-spec update_reference(reference_(AN), fun((AN) -> AN)) -> AN.
update_reference(Ref, F) ->
    Value = '../ffi.mjs':dereference(Ref),
    '../ffi.mjs':set_reference(Ref, F(Value)),
    Value.