Revert "[web] Move JS content to its own .js files (#117691)" (#120275)

This reverts commit e03029e.

Author: itsjustkevin

packages/flutter_tools/lib/src/artifacts.dart

@@ -9,7 +9,6 @@ import 'base/common.dart';
 import 'base/file_system.dart';
 import 'base/os.dart';
 import 'base/platform.dart';
-import 'base/user_messages.dart';
 import 'base/utils.dart';
 import 'build_info.dart';
 import 'cache.dart';
@@ -63,9 +62,6 @@ enum Artifact {
   /// Tools related to subsetting or icon font files.
   fontSubset,
   constFinder,
-
-  /// The location of file generators.
-  flutterToolsFileGenerators,
 }
 
 /// A subset of [Artifact]s that are platform and build mode independent
@@ -206,8 +202,6 @@ String? _artifactToFileName(Artifact artifact, Platform hostPlatform, [ BuildMod
       return 'font-subset$exe';
     case Artifact.constFinder:
       return 'const_finder.dart.snapshot';
-    case Artifact.flutterToolsFileGenerators:
-      return '';
   }
 }
 
@@ -531,8 +525,6 @@ class CachedArtifacts implements Artifacts {
       case Artifact.windowsCppClientWrapper:
       case Artifact.windowsDesktopPath:
         return _getHostArtifactPath(artifact, platform, mode);
-      case Artifact.flutterToolsFileGenerators:
-        return _getFileGeneratorsPath();
     }
   }
 
@@ -570,8 +562,6 @@ class CachedArtifacts implements Artifacts {
       case Artifact.windowsCppClientWrapper:
       case Artifact.windowsDesktopPath:
         return _getHostArtifactPath(artifact, platform, mode);
-      case Artifact.flutterToolsFileGenerators:
-        return _getFileGeneratorsPath();
     }
   }
 
@@ -621,8 +611,6 @@ class CachedArtifacts implements Artifacts {
       case Artifact.windowsCppClientWrapper:
       case Artifact.windowsDesktopPath:
         return _getHostArtifactPath(artifact, platform, mode);
-      case Artifact.flutterToolsFileGenerators:
-        return _getFileGeneratorsPath();
     }
   }
 
@@ -697,8 +685,6 @@ class CachedArtifacts implements Artifacts {
       case Artifact.fuchsiaFlutterRunner:
       case Artifact.fuchsiaKernelCompiler:
         throw StateError('Artifact $artifact not available for platform $platform.');
-      case Artifact.flutterToolsFileGenerators:
-        return _getFileGeneratorsPath();
     }
   }
 
@@ -966,8 +952,6 @@ class CachedLocalEngineArtifacts implements Artifacts {
       case Artifact.dart2wasmSnapshot:
       case Artifact.frontendServerSnapshotForEngineDartSdk:
         return _fileSystem.path.join(_getDartSdkPath(), 'bin', 'snapshots', artifactFileName);
-      case Artifact.flutterToolsFileGenerators:
-        return _getFileGeneratorsPath();
     }
   }
 
@@ -1115,7 +1099,6 @@ class CachedLocalWebSdkArtifacts implements Artifacts {
         case Artifact.fuchsiaFlutterRunner:
         case Artifact.fontSubset:
         case Artifact.constFinder:
-        case Artifact.flutterToolsFileGenerators:
           break;
       }
     }
@@ -1315,11 +1298,6 @@ class _TestArtifacts implements Artifacts {
     BuildMode? mode,
     EnvironmentType? environmentType,
   }) {
-    // The path to file generators is the same even in the test environment.
-    if (artifact == Artifact.flutterToolsFileGenerators) {
-      return _getFileGeneratorsPath();
-    }
-
     final StringBuffer buffer = StringBuffer();
     buffer.write(artifact);
     if (platform != null) {
@@ -1362,20 +1340,3 @@ class _TestLocalEngine extends _TestArtifacts {
   @override
   final LocalEngineInfo localEngineInfo;
 }
-
-String _getFileGeneratorsPath() {
-  final String flutterRoot = Cache.defaultFlutterRoot(
-    fileSystem: globals.localFileSystem,
-    platform: const LocalPlatform(),
-    userMessages: UserMessages(),
-  );
-  return globals.localFileSystem.path.join(
-    flutterRoot,
-    'packages',
-    'flutter_tools',
-    'lib',
-    'src',
-    'web',
-    'file_generators',
-  );
-}

packages/flutter_tools/lib/src/build_system/targets/web.dart

@@ -529,10 +529,7 @@ class WebBuiltInAssets extends Target {
 
     // Write the flutter.js file
     final File flutterJsFile = environment.outputDir.childFile('flutter.js');
-    final String fileGeneratorsPath =
-        globals.artifacts!.getArtifactPath(Artifact.flutterToolsFileGenerators);
-    flutterJsFile.writeAsStringSync(
-        flutter_js.generateFlutterJsFile(fileGeneratorsPath));
+    flutterJsFile.writeAsStringSync(flutter_js.generateFlutterJsFile());
   }
 }
 
@@ -601,10 +598,7 @@ class WebServiceWorker extends Target {
     final ServiceWorkerStrategy serviceWorkerStrategy = _serviceWorkerStrategyFromString(
       environment.defines[kServiceWorkerStrategy],
     );
-    final String fileGeneratorsPath =
-        globals.artifacts!.getArtifactPath(Artifact.flutterToolsFileGenerators);
     final String serviceWorker = generateServiceWorker(
-      fileGeneratorsPath,
       urlToHash,
       <String>[
         'main.dart.js',

packages/flutter_tools/lib/src/isolated/devfs_web.dart

@@ -828,10 +828,7 @@ class WebDevFS implements DevFS {
           'stack_trace_mapper.js', stackTraceMapper.readAsBytesSync());
       webAssetServer.writeFile(
           'manifest.json', '{"info":"manifest not generated in run mode."}');
-      final String fileGeneratorsPath = globals.artifacts!
-          .getArtifactPath(Artifact.flutterToolsFileGenerators);
-      webAssetServer.writeFile(
-          'flutter.js', flutter_js.generateFlutterJsFile(fileGeneratorsPath));
+      webAssetServer.writeFile('flutter.js', flutter_js.generateFlutterJsFile());
       webAssetServer.writeFile('flutter_service_worker.js',
           '// Service worker not loaded in run mode.');
       webAssetServer.writeFile(