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|
package GraphQL::Type::Interface;
use 5.014;
use strict;
use warnings;
use Moo;
use Types::Standard -all;
use GraphQL::MaybeTypeCheck;
extends qw(GraphQL::Type);
with qw(
GraphQL::Role::Output
GraphQL::Role::Composite
GraphQL::Role::Abstract
GraphQL::Role::Nullable
GraphQL::Role::Named
GraphQL::Role::FieldsOutput
GraphQL::Role::FieldsEither
);
our $VERSION = '0.02';
use constant DEBUG => $ENV{GRAPHQL_DEBUG};
=head1 NAME
GraphQL::Type::Interface - GraphQL interface type
=head1 SYNOPSIS
use GraphQL::Type::Interface;
my $ImplementingType;
my $InterfaceType = GraphQL::Type::Interface->new(
name => 'Interface',
fields => { field_name => { type => $scalar_type } },
resolve_type => sub {
return $ImplementingType;
},
);
=head1 ATTRIBUTES
Has C<name>, C<description> from L<GraphQL::Role::Named>.
Has C<fields> from L<GraphQL::Role::FieldsOutput>.
=head2 resolve_type
Optional code-ref to resolve types.
=cut
has resolve_type => (is => 'ro', isa => CodeRef);
method from_ast(
HashRef $name2type,
HashRef $ast_node,
) :ReturnType(InstanceOf[__PACKAGE__]) {
$self->new(
$self->_from_ast_named($ast_node),
$self->_from_ast_fields($name2type, $ast_node, 'fields'),
);
}
has to_doc => (is => 'lazy', isa => Str);
sub _build_to_doc {
my ($self) = @_;
DEBUG and _debug('Interface.to_doc', $self);
my @fieldlines = map {
my ($main, @description) = @$_;
(
@description,
$main,
)
} $self->_make_fieldtuples($self->fields);
join '', map "$_\n",
$self->_description_doc_lines($self->description),
"interface @{[$self->name]} {",
(map length() ? " $_" : "", @fieldlines),
"}";
}
__PACKAGE__->meta->make_immutable();
1;
|
