library version update

lib/builder.dart

@@ -3,7 +3,6 @@ import 'dart:convert';
 import 'package:build/build.dart';
 import 'package:code_builder/code_builder.dart';
 import 'package:dart_style/dart_style.dart';
-import 'package:meta/meta.dart';
 import 'package:recase/recase.dart';
 
 import 'models.dart';
@@ -18,8 +17,8 @@ Builder genFromJson(BuilderOptions options) {
 
 class GeneratorOptions {
   GeneratorOptions({
-    @required this.fontName,
-    @required this.selectionJsonPath,
+    required this.fontName,
+    required this.selectionJsonPath,
   });
 
   factory GeneratorOptions.fromOptions(BuilderOptions options) {
@@ -80,7 +79,7 @@ class IcomoonBuilder implements Builder {
       ..fields.addAll(fields));
     final content = Library(
       (b) => b.body..add(icomoonClass),
-    ).accept(DartEmitter(Allocator()));
+    ).accept(DartEmitter(allocator: Allocator()));
 
     await buildStep.writeAsString(
       buildStep.inputId.changeExtension('.dart'),

lib/models.dart

@@ -1,8 +1,7 @@
-import 'package:meta/meta.dart';
 
 class SelectionModel {
   SelectionModel({
-    @required this.icons,
+    required this.icons,
   });
 
   factory SelectionModel.fromJson(Map<String, dynamic> json) {
@@ -18,7 +17,7 @@ class SelectionModel {
 }
 
 class IcomoonIcon {
-  IcomoonIcon({@required this.properties});
+  IcomoonIcon({required this.properties});
 
   factory IcomoonIcon.fromJson(Map<String, dynamic> json) {
     final properties = json['properties'] as Map<String, dynamic>;
@@ -30,7 +29,7 @@ class IcomoonIcon {
 }
 
 class IconProperties {
-  IconProperties({@required this.name, @required this.code});
+  IconProperties({required this.name, required this.code});
 
   factory IconProperties.fromJson(Map<String, dynamic> json) {
     return IconProperties(

pubspec.yaml

@@ -1,21 +1,20 @@
 name: icomoon_selection_gen
 description: A code generator for flutter that reads icomoon selection.json and generate the icon classes
-version: 0.0.2
+version: 0.0.3
 author: Gabriel Rohden
 homepage:
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.17.1 <3.0.0"
 
 dependencies:
-  build: ^1.1.4
-  build_config: ^0.4.0
+  build: ^2.3.0
+  build_config: ^1.0.0
 
 dev_dependencies:
-  meta: ^1.1.7
-  recase: ^3.0.0
-  dart_style: ^1.0.0
-  code_builder: ^3.3.0
-  build_runner: ^1.5.0
-  build_test: ^0.10.7+3
+  recase: ^4.0.0
+  dart_style: ^2.2.3
+  code_builder: ^4.1.0
+  build_runner: ^2.1.11
+  build_test: ^2.1.5