NullSafety++

lib/core/processors/image_extractor.dart

@@ -1,13 +1,10 @@
-// @dart=2.9
-
 import 'package:equatable/equatable.dart';
-import 'package:meta/meta.dart';
 
 class NoteImage extends Equatable {
   final String url;
   final String alt;
 
-  NoteImage({@required this.url, @required this.alt});
+  NoteImage({required this.url, required this.alt});
 
   @override
   List<Object> get props => [url, alt];
@@ -26,7 +23,7 @@ class ImageExtractor {
       var alt = match.group(1);
       var url = match.group(2);
 
-      images.add(NoteImage(alt: alt, url: url));
+      images.add(NoteImage(alt: alt ?? "", url: url ?? ""));
     }
 
     return images;

lib/core/processors/inline_tags.dart

@@ -1,5 +1,3 @@
-// @dart=2.9
-
 /*
   (c) Copyright 2020 Vishesh Handa
 
@@ -26,12 +24,10 @@
   THE SOFTWARE.
 */
 
-import 'package:meta/meta.dart';
-
 class InlineTagsProcessor {
   final Set<String> tagPrefixes;
 
-  InlineTagsProcessor({@required this.tagPrefixes});
+  InlineTagsProcessor({required this.tagPrefixes});
 
   Set<String> extractTags(String text) {
     var tags = <String>{};
@@ -46,7 +42,7 @@ class InlineTagsProcessor {
       var regexp = RegExp(r'(^|\s)' + p + r'([^\s]+)(\s|$)');
       var matches = regexp.allMatches(text);
       for (var match in matches) {
-        var tag = match.group(2);
+        var tag = match.group(2)!;
 
         if (tag.endsWith('.') || tag.endsWith('!') || tag.endsWith('?')) {
           tag = tag.substring(0, tag.length - 1);

lib/screens/login_screen.dart

@@ -1,5 +1,3 @@
-// @dart=2.9
-
 /*
   Code adapted from https://github.com/TheAlphamerc/flutter_login_signup/
 
@@ -43,9 +41,9 @@ import 'package:gitjournal/widgets/scroll_view_without_animation.dart';
 // const _prodServer = 'https://api.gitjournal.io/auth/';
 
 class LoginPage extends StatefulWidget {
-  LoginPage({Key key, this.title}) : super(key: key);
+  LoginPage({Key? key, this.title}) : super(key: key);
 
-  final String title;
+  final String? title;
 
   @override
   _LoginPageState createState() => _LoginPageState();
@@ -90,9 +88,7 @@ class _LoginPageState extends State<LoginPage> {
     );
 
     return InkWell(
-      onTap: () {
-        _loginAction();
-      },
+      onTap: _loginAction,
       child: c,
     );
   }
@@ -318,7 +314,7 @@ class FormTitle extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     var textTheme = Theme.of(context).textTheme;
-    var style = textTheme.headline2.copyWith(fontFamily: "Lato");
+    var style = textTheme.headline2!.copyWith(fontFamily: "Lato");
     return Text('GitJournal', style: style);
   }
 }

lib/screens/settings_experimental.dart

@@ -1,5 +1,3 @@
-// @dart=2.9
-
 /*
 Copyright 2020-2021 Vishesh Handa <me@vhanda.in>
 

lib/ssh/keygen.dart

@@ -1,9 +1,6 @@
-// @dart=2.9
-
 import 'dart:io';
 
 import 'package:git_bindings/git_bindings.dart' as gb;
-import 'package:meta/meta.dart';
 import 'package:path/path.dart' as p;
 
 import 'package:gitjournal/utils/logger.dart';
@@ -16,15 +13,15 @@ class SshKey {
   final String password;
 
   const SshKey({
-    @required this.publicKey,
-    @required this.privateKey,
-    @required this.password,
+    required this.publicKey,
+    required this.privateKey,
+    required this.password,
   });
 }
 
 final bool useDartKeyGen = false;
 
-Future<SshKey> generateSSHKeys({@required String comment}) async {
+Future<SshKey?> generateSSHKeys({required String comment}) async {
   if (useDartKeyGen) {
     //return generateSSHKeysDart(comment: comment);
   } else {}
@@ -51,7 +48,7 @@ Future<SshKey> generateSSHKeysDart({@required String comment}) async {
 }
 */
 
-Future<SshKey> generateSSHKeysNative({@required String comment}) async {
+Future<SshKey?> generateSSHKeysNative({required String comment}) async {
   try {
     var stopwatch = Stopwatch()..start();
     var dir = await Directory.systemTemp.createTemp('keys');

lib/widgets/scroll_view_without_animation.dart

@@ -1,5 +1,3 @@
-// @dart=2.9
-
 import 'package:flutter/material.dart';
 
 class ScrollViewWithoutAnimation extends StatelessWidget {
@@ -7,7 +5,7 @@ class ScrollViewWithoutAnimation extends StatelessWidget {
   final Axis scrollDirection;
 
   ScrollViewWithoutAnimation({
-    @required this.child,
+    required this.child,
     this.scrollDirection = Axis.vertical,
   });