use dart pub deps to analyze consumer dependencies (#99079)

dev/bots/allowlist.dart

@@ -17,18 +17,13 @@
 /// unless the additions are cleared as described above.
 const Set<String> kCorePackageAllowList = <String>{
   // Please keep this list in alphabetical order.
-  '_fe_analyzer_shared',
-  'analyzer',
   'archive',
-  'args',
   'async',
   'boolean_selector',
   'characters',
   'charcode',
   'clock',
   'collection',
-  'convert',
-  'coverage',
   'crypto',
   'fake_async',
   'file',
@@ -36,45 +31,25 @@ const Set<String> kCorePackageAllowList = <String>{
   'flutter_driver',
   'flutter_localizations',
   'flutter_test',
-  'frontend_server_client',
+  'fuchsia_remote_debug_protocol',
-  'glob',
-  'http_multi_server',
-  'http_parser',
   'integration_test',
   'intl',
-  'io',
-  'js',
-  'logging',
   'matcher',
   'material_color_utilities',
   'meta',
-  'mime',
-  'node_preamble',
-  'package_config',
   'path',
-  'pool',
+  'platform',
-  'pub_semver',
+  'process',
-  'shelf',
+  'sky_engine',
-  'shelf_packages_handler',
-  'shelf_static',
-  'shelf_web_socket',
-  'source_map_stack_trace',
-  'source_maps',
   'source_span',
   'stack_trace',
   'stream_channel',
   'string_scanner',
   'sync_http',
   'term_glyph',
-  'test',
   'test_api',
-  'test_core',
   'typed_data',
   'vector_math',
   'vm_service',
-  'watcher',
-  'web_socket_channel',
   'webdriver',
-  'webkit_inspection_protocol',
-  'yaml',
 };

dev/bots/analyze.dart

@@ -1565,24 +1565,50 @@ Future<EvalResult> _evalCommand(String executable, List<String> arguments, {
 }
 
 Future<void> _checkConsumerDependencies() async {
-  final ProcessResult result = await Process.run(flutter, <String>[
+  const List<String> kCorePackages = <String>[
-    'update-packages',
+    'flutter',
-    '--transitive-closure',
+    'flutter_test',
-    '--consumer-only',
+    'flutter_driver',
+    'flutter_localizations',
+    'integration_test',
+    'fuchsia_remote_debug_protocol',
+  ];
+  final Set<String> dependencies = <String>{};
+
+  // Parse the output of pub deps --json to determine all of the
+  // current packages used by the core set of flutter packages.
+  for (final String package in kCorePackages) {
+    final ProcessResult result = await Process.run(dart, <String>[
+      'pub',
+      'deps',
+      '--json',
+      '--directory=${path.join(flutterRoot, 'packages', package)}'
     ]);
     if (result.exitCode != 0) {
       print(result.stdout as Object);
       print(result.stderr as Object);
       exit(result.exitCode);
     }
-  final Set<String> dependencies = <String>{};
+    final Map<String, Object?> rawJson = json.decode(result.stdout as String) as Map<String, Object?>;
-  for (final String line in result.stdout.toString().split('\n')) {
+    final Map<String, Map<String, Object?>> dependencyTree = <String, Map<String, Object?>>{
-    if (!line.contains('->')) {
+      for (final Map<String, Object?> package in (rawJson['packages']! as List<Object?>).cast<Map<String, Object?>>())
+        package['name']! as String : package,
+    };
+    final List<Map<String, Object?>> workset = <Map<String, Object?>>[];
+    workset.add(dependencyTree[package]!);
+
+    while (workset.isNotEmpty) {
+      final Map<String, Object?> currentPackage = workset.removeLast();
+      if (currentPackage['kind'] == 'dev') {
         continue;
       }
-    final List<String> parts = line.split('->');
+      dependencies.add(currentPackage['name']! as String);
-    final String name = parts[0].trim();
+
-    dependencies.add(name);
+      final List<String> currentDependencies = (currentPackage['dependencies']! as List<Object?>).cast<String>();
+      for (final String dependency in currentDependencies) {
+        workset.add(dependencyTree[dependency]!);
+      }
+    }
   }
 
   final Set<String> removed = kCorePackageAllowList.difference(dependencies);