pkg/js: mark discontinued/deprecated

Towards #59716

Change-Id: Iaea45a8fccf5c3e2fb52ef34420ddbcd5b92a13f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/401201
Reviewed-by: Srujan Gaddam <srujzs@google.com>
Auto-Submit: Kevin Moore <kevmoo@google.com>
Reviewed-by: Kevin Moore <kevmoo@google.com>
Commit-Queue: Srujan Gaddam <srujzs@google.com>

pkg/dev_compiler/web/stack_trace_mapper.dart

@@ -21,6 +21,7 @@
 @JS()
 library;
 
+// ignore: deprecated_member_use
 import 'package:js/js.dart';
 import 'package:path/path.dart' as p;
 import 'package:source_maps/source_maps.dart';

pkg/js/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.7.2
+
+- Mark libraries as `@Deprecated`.
+
 ## 0.7.1
 
 - README update to indicate that `dart:js_interop` should be preferred.

pkg/js/README.md

@@ -1,8 +1,10 @@
 [![pub package](https://img.shields.io/pub/v/js.svg)](https://pub.dev/packages/js)
 [![package publisher](https://img.shields.io/pub/publisher/js.svg)](https://pub.dev/packages/js/publisher)
 
-**Important:** Prefer using `dart:js_interop` instead of this package for JS
-interop. See the [JS interop documentation] for more details.
+> [!CAUTION]
+> This package is discontinued.
+> Prefer using `dart:js_interop` instead of this package for JS 
+> interop. See the [JS interop documentation] for more details.
 
 Use this package when you want to call JavaScript APIs from Dart code, or vice
 versa.

pkg/js/lib/js.dart

@@ -2,6 +2,9 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+@Deprecated('Use dart:js_interop instead')
+library;
+
 // ignore: EXPORT_INTERNAL_LIBRARY
 export 'dart:_js_annotations'
     show JS, anonymous, staticInterop, trustTypes, JSExport;

pkg/js/lib/js_util.dart

@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /// Utilities for interoperating with JavaScript.
+@Deprecated('Use dart:js_interop instead')
 library;
 
 export 'dart:js_util';

pkg/js/pubspec.yaml

@@ -1,13 +1,8 @@
 name: js
-version: 0.7.1
+version: 0.7.2
 description: Annotations to create static Dart interfaces for JavaScript APIs.
 repository: https://github.com/dart-lang/sdk/tree/main/pkg/js
 
-# We export `dart:_js_annotations` in this library.
-analyzer:
-  errors:
-    export_internal_library: ignore
-
 topics:
  - interop