contribute a fix_data.yaml file to enable 'dart fix' renames

.github/workflows/build.yml

@@ -79,3 +79,23 @@ jobs:
         run: dart tool/update_bindings.dart
       - name: Analyze code
         run: dart analyze --fatal-infos
+
+  # Test the contributed `dart fix` fixes.
+  dart-fix:
+    needs: analyze
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        sdk: [main]
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: ${{ matrix.sdk }}
+      - name: Install Dart dependencies
+        run: dart pub get
+      - name: Test the declarative fixes
+        run: dart fix --compare-to-golden
+        working-directory: test_fixes

CHANGELOG.md

@@ -1,6 +1,10 @@
 ## 0.5.0-wip
 
 - Redeprecate APIs that were deprecated in `0.4.1` but undeprecated in `0.4.2`.
+- Add support for `dart fix` migrations from `dart:html` classes to
+  `package:web` classes.
+- Contribute a markdown file for the renamed classes from `dart:html` to
+  `package:web` (see [renames.md](tool/renames.md)).
 
 ## 0.4.2
 

README.md

@@ -26,7 +26,7 @@ the APIs.
 import 'package:web/web.dart';
 
 void main() {
-  final div = document.querySelector('div') as HTMLDivElement;
+  final div = document.querySelector('div')!;
   div.text = 'Text set at ${DateTime.now()}';
 }
 ```

analysis_options.yaml

@@ -6,6 +6,8 @@ analyzer:
     strict-casts: true
     strict-inference: true
     strict-raw-types: true
+  exclude:
+    - test_fixes/**
 
   errors:
     # Ideally we'd fix all of these - or ignore them at the line-level where

example/example.dart

@@ -5,6 +5,6 @@
 import 'package:web/web.dart';
 
 void main() {
-  final div = document.querySelector('div') as HTMLDivElement;
+  final div = document.querySelector('div')!;
   div.text = 'Text set at ${DateTime.now()}';
 }