Allow const ctor (#45)

CHANGELOG.md

@@ -5,6 +5,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- `JsonApiClient` has `const` constructor
+
+## [1.0.1] - 2019-04-05
+### Fixed
+- Bumped the dependencies versions due to a bug in `json_api_document`.
 
 ## [1.0.1] - 2019-04-05
 ### Changed
@@ -61,7 +67,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Client: fetch resources, collections, related resources and relationships
 
 [Unreleased]: https://github.com/f3ath/json-api-dart/compare/1.0.1...HEAD
-[1.0.1]: https://github.com/f3ath/json-api-dart/compare/0.6.0...1.0.0
+[1.0.1]: https://github.com/f3ath/json-api-dart/compare/1.0.0...1.0.1
 [1.0.0]: https://github.com/f3ath/json-api-dart/compare/0.6.0...1.0.0
 [0.6.0]: https://github.com/f3ath/json-api-dart/compare/0.5.0...0.6.0
 [0.5.0]: https://github.com/f3ath/json-api-dart/compare/0.4.0...0.5.0

lib/src/client.dart

@@ -2,9 +2,9 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:http/http.dart' as http;
+import 'package:json_api/src/nullable.dart';
 import 'package:json_api/src/response.dart';
 import 'package:json_api/src/status_code.dart';
-import 'package:json_api/src/nullable.dart';
 import 'package:json_api_document/json_api_document.dart';
 import 'package:json_api_document/parser.dart';
 
@@ -16,14 +16,14 @@ typedef http.Client HttpClientFactory();
 class JsonApiClient {
   static const contentType = 'application/vnd.api+json';
 
-  JsonApiParser _parser = const JsonApiParser();
+  final JsonApiParser _parser = const JsonApiParser();
 
   final HttpClientFactory _factory;
 
   /// JSON:API client uses Dart's native Http Client internally.
   /// To customize its behavior you can pass the [factory] function.
-  JsonApiClient({HttpClientFactory factory})
-      : _factory = factory ?? (() => http.Client());
+  const JsonApiClient({HttpClientFactory factory})
+      : _factory = factory ?? _defaultFactory;
 
   /// Fetches a resource collection by sending a GET request to the [uri].
   /// Use [headers] to pass extra HTTP headers.
@@ -194,3 +194,5 @@ class JsonApiClient {
     }
   }
 }
+
+http.Client _defaultFactory() => http.Client();

pubspec.yaml

@@ -8,7 +8,7 @@ dependencies:
   collection: "^1.14.11"
   http: "^0.12.0"
 dev_dependencies:
-  json_api_server: "^0.0.1"
+  json_api_server: "0.0.2"
   json_matcher: "^0.2.3"
   stream_channel: "^1.6.8"
   test: "^1.6.1"