NAME

GraphQL::Type::Union - GraphQL union type

SYNOPSIS

  use GraphQL::Type::Union;
  my $union_type = GraphQL::Type::Union->new(
    name => 'Union',
    types => [ $type1, $type2 ],
    resolve_type => sub {
      return $type1 if ref $_[0] eq 'Type1';
      return $type2 if ref $_[0] eq 'Type2';
    },
  );

ATTRIBUTES

Inherits name, description from GraphQL::Type.

types

Thunked array-ref of GraphQL::Type::Object objects.

resolve_type

Optional code-ref. Input is a value, returns a GraphQL type object for it. If not given, relies on its possible type objects having a provided is_type_of.

METHODS

get_types

Returns list of GraphQL::Type::Objects of which the object is a union, performing validation.