feat: automatic flutter bindings generation on master push

Author: wrbl606

.github/workflows/generate_bindings.yaml

@@ -0,0 +1,19 @@
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  generate_bindings:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+      - run: make flutter_bindings
+      - name: Archive generated flutter_eval.json
+        uses: actions/upload-artifact@v4
+        with:
+          name: flutter_eval.json
+          path: flutter_eval.json

Makefile

@@ -0,0 +1,4 @@
+.PHONY: flutter_bindings
+flutter_bindings:
+	flutter pub get
+	flutter test tool/generate_bindings.dart || true

example/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  dart_eval: ^0.6.0
+  dart_eval: ^0.7.8
   flutter_eval:
     path: ../
 

examples/code_push_app/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
     sdk: flutter
   flutter_eval:
     path: ../../
-  dart_eval: ^0.6.0
+  dart_eval: ^0.7.8
 dev_dependencies:
   flutter_lints: ^2.0.0
 flutter:

test/flutter_eval_test.dart

@@ -1,6 +1,3 @@
-import 'dart:convert';
-import 'dart:io';
-
 import 'package:dart_eval/dart_eval.dart';
 import 'package:dart_eval/dart_eval_bridge.dart';
 import 'package:dart_eval/stdlib/core.dart';
@@ -11,14 +8,6 @@ import 'package:flutter_eval/src/painting/alignment.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
-  // This is not actually a test, it just generates the flutter_eval.json file.
-  test('Generate flutter_eval.json', () {
-    final serializer = BridgeSerializer();
-    serializer.addPlugin(const FlutterEvalPlugin());
-    final output = serializer.serialize();
-    File('flutter_eval.json').writeAsStringSync(json.encode(output));
-  });
-
   test('Can extend StatelessWidget', () {
     final compiler = Compiler();
     setupFlutterForCompile(compiler);

tool/generate_bindings.dart

@@ -0,0 +1,15 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:dart_eval/dart_eval_bridge.dart';
+import 'package:flutter_eval/flutter_eval.dart';
+
+void main() {
+  // To properly generate the bindings, dart_eval needs Flutter context which is
+  // delivered when running Dart programs via `flutter test`,
+  // but isn't for Dart code ran via `dart run`.
+  final serializer = BridgeSerializer();
+  serializer.addPlugin(const FlutterEvalPlugin());
+  final output = serializer.serialize();
+  File('flutter_eval.json').writeAsStringSync(json.encode(output));
+}