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Useful builders for your GraphQL SDL and documents. Based on package:gql_code_builder and package:build

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A package for Dart code generation from GraphQL source.

Usage example #

Builders in this package let you build your GraphQL requests and view the response in a type-safe way.

final result = await link.request(
  FindPokemon()..name = "Charizard",
);
final data = $FindPokemon(result.data);

final pokemon = data.pokemon;

print("Found ${pokemon.name}");
print("ID: ${pokemon.id}");

final weight = pokemon.weight;
final height = pokemon.height;

print(
  "Weight: ${weight.minimum} – ${weight.maximum}",
);
print(
  "Height: ${height.minimum} – ${height.maximum}",
);

Provided builders #

ast_builder #

Generates an AST representation of a GraphQL Document

data_builder #

Generates a typed view on top of data JSON. The generated classes are not supposed to be used directly as that would introduce tight coupling between your GraphQL documents and your application code.

class $ListPokemon {
  const $ListPokemon(this.data);

  final Map<String, dynamic> data;

  List<$ListPokemon$pokemons> get pokemons => (data["pokemons"] as List)
      .map((dynamic e) => $ListPokemon$pokemons(e as Map<String, dynamic>))
      .toList();
}

class $ListPokemon$pokemons {
  const $ListPokemon$pokemons(this.data);

  final Map<String, dynamic> data;

  String get id => data["id"] as String;
  String get name => data["name"] as String;
}

op_builder #

Wraps AST and operation name into an Operation.

import 'package:gql_exec/gql_exec.dart';
import 'find_pokemon.ast.gql.dart' as find_pokemon;

const FindPokemon = Operation(
  document: find_pokemon.document,
  operationName: 'FindPokemon',
);

req_builder #

Extend Request class to use specific Operation and provide ability to build variables. Builder pattern let's you handle nullable variables correctly (GraphQL spec pretty much requires both undefined and null values).

import 'package:gql_exec/gql_exec.dart' as _i1;
import 'find_pokemon.op.gql.dart' as _i2;

class FindPokemon extends _i1.Request {
  FindPokemon()
      : super(operation: _i2.FindPokemon, variables: <String, dynamic>{});

  set name(String value) => variables["name"] = value;
}

enum_builder #

Generates an enum-like class per GraphQL enum type. Defines known enum values to be used in your code, and allows unknown enum values to be used without causing runtime error when handling response data.

class ReleaseType {
  const ReleaseType(this.value);

  final String value;

  static const ReleaseType ALPHA = ReleaseType('ALPHA');

  static const ReleaseType BETA = ReleaseType('BETA');

  static const ReleaseType GAMMA = ReleaseType('GAMMA');

  @override
  int get hashCode => value.hashCode;
  @override
  bool operator ==(Object o) => o is ReleaseType && o.value == value;
}

scalar_builder #

Generates a container for a scalar value to be used when viewing the response data and building request variables.

class ID {
  const ID(this.value);

  final String value;

  @override
  int get hashCode => value.hashCode;
  @override
  bool operator ==(Object o) => o is ID && o.value == value;
}

input_builder #

Generates an input builder to be used to build request variables.

class MutationInput {
  final Map<String, dynamic> input = <String, dynamic>{};

  set a(String value) => input['a'] = value;
}

schema_builder #

Combines enum_builder, input_builder and scalar_builder.

Features and bugs #

Please file feature requests and bugs at the issue tracker.

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Publisher

verified publishergql-dart.dev

Useful builders for your GraphQL SDL and documents. Based on package:gql_code_builder and package:build

Homepage
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License

unknown (LICENSE)

Dependencies

build, code_builder, dart_style, glob, gql, gql_code_builder, path

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