Inlayをはじめる

import 'package:inlay/inlay.dart';

// A Flutter screen. `:userId` in the path maps to the `userId` field. Keep path
// fields required - the generator doesn't enforce it, and a null path parameter
// would encode as an empty path segment.
// Simple fields (primitives, enums) become optional query parameters; complex
// fields like `badges` travel only in the typed params envelope.
@InlayFlutterRoute('/profile/:userId')
class ProfilePage {
  const ProfilePage({required this.userId, this.badges});

  final String userId;
  final List<UserBadge>? badges; // nested types and enums are supported
}

// A native screen reachable from Flutter, type-safely.
@InlayNativeRoute()
class NativeSettingsPage {
  const NativeSettingsPage({this.source});

  final String? source;
}

class UserBadge {
  const UserBadge({required this.label, required this.level});
  final String label;
  final BadgeLevel level;
}

enum BadgeLevel { bronze, silver, gold }

import 'package:inlay/inlay.dart';

@InlayStore(key: 'user_preferences')
class UserPreferencesStore {
  const UserPreferencesStore({
    @InlayStoreKey() required this.userId, // marks the identifying key
    this.displayName = 'User',
    this.darkMode = false,
    this.tags = const [],
  });

  final String userId;
  final String displayName;
  final bool darkMode;
  final List<String> tags;
}

# Schema inputs (specs only - not imported by app code)
routes: lib/inlay/routes.dart
stores: lib/inlay/stores.dart

# Output target per language. Omit kotlin or swift to skip that language.
# Dart is always generated; under build_runner it defaults to lib/src/generated/.
dart:
  output: lib/src/generated/

kotlin:
  output: android/src/main/kotlin/com/example/app/generated/
  package: com.example.app.generated # required for Kotlin

swift:
  output: ios/Classes/Generated/

dart run build_runner build
# or, while iterating on schemas:
dart run build_runner watch

dart run inlay_gen:inlay_gen --config inlay.yaml