Drop node bits (#1393)

No longer used/supported

Author: kevmoo

pubspec.yaml

@@ -19,10 +19,6 @@ dependencies:
 dev_dependencies:
   dart_flutter_team_lints: ^2.0.0
   grinder: ^0.9.0-nullsafety.0
-  js: ^0.6.0
-  # TODO(rnystrom): Disabled for now because node_preamble is not migrated yet
-  # and publishing to npm hasn't been used in a while.
-  #  node_preamble: ^1.0.0
   test: ^1.24.6
   test_descriptor: ^2.0.0
   test_process: ^2.0.0

tool/grind.dart

@@ -26,45 +26,6 @@ Future<void> validate() async {
   Dart.run('bin/format.dart', arguments: ['-w', '.']);
 }
 
-// TODO(rnystrom): Disabled for now because node_preamble is not migrated and
-// this isn't used anyway.
-/*
-@Task('Publish to npm')
-void npm() {
-  var out = 'dist';
-
-  var pubspec = yaml.loadYaml(getFile('pubspec.yaml').readAsStringSync());
-  var homepage = pubspec['homepage'];
-  var fileName = 'index.js';
-
-  // Generate modified dart2js output suitable to run on node.
-  var tempFile = File('${Directory.systemTemp.path}/temp.js');
-
-  Dart2js.compile(File('tool/node_format_service.dart'),
-      outFile: tempFile, categories: 'all');
-  var dart2jsOutput = tempFile.readAsStringSync();
-  File('$out/$fileName').writeAsStringSync('''${preamble.getPreamble()}
-self.exports = exports; // Temporary hack for Dart-JS Interop under node.
-$dart2jsOutput''');
-
-  File('$out/package.json')
-      .writeAsStringSync(const JsonEncoder.withIndent('  ').convert({
-    'name': 'dart-style',
-    'version': pubspec['version'],
-    'description': pubspec['description'],
-    'main': fileName,
-    'typings': 'dart-style.d.ts',
-    'scripts': {'test': 'echo "Error: no test specified" && exit 1'},
-    'repository': {'type': 'git', 'url': 'git+$homepage'},
-    'author': pubspec['author'],
-    'license': 'BSD',
-    'bugs': {'url': '$homepage/issues'},
-    'homepage': homepage
-  }));
-  run('npm', arguments: ['publish', out]);
-}
-*/
-
 /// Gets ready to publish a new version of the package.
 ///
 /// To publish a version, you need to: