Deprecate the feature-exists function

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.77.0
+
+* The `meta.feature-exists` function is now deprecated. This deprecation is
+  named `feature-exists`.
+
 ## 1.76.0
 
 * Throw errors for misplaced statements in keyframe blocks.

lib/src/deprecation.dart

@@ -78,6 +78,10 @@ enum Deprecation {
       deprecatedIn: '1.76.0',
       description: 'Function and mixin names beginning with --.'),
 
+  featureExists('feature-exists',
+      deprecatedIn: '1.77.0',
+      description: 'Using the meta.feature-exists() function.'),
+
   @Deprecated('This deprecation name was never actually used.')
   calcInterp('calc-interp', deprecatedIn: null),
 

lib/src/functions/meta.dart

@@ -8,6 +8,8 @@ import 'package:collection/collection.dart';
 
 import '../ast/sass/statement/mixin_rule.dart';
 import '../callable.dart';
+import '../deprecation.dart';
+import '../evaluation_context.dart';
 import '../util/map.dart';
 import '../value.dart';
 
@@ -26,6 +28,10 @@ final global = UnmodifiableListView([
   // evaluator, because they need access to context that's only available at
   // runtime.
   _function("feature-exists", r"$feature", (arguments) {
+    warnForDeprecation(
+        "The feature-exists() function is deprecated.\n"
+        "More info: https://sass-lang.com/d/feature-exists",
+        Deprecation.featureExists);
     var feature = arguments[0].assertString("feature");
     return SassBoolean(_features.contains(feature.text));
   }),

pkg/sass_api/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 10.4.0
+
+* No user-visible changes.
+
 ## 10.3.0
 
 * No user-visible changes.

pkg/sass_api/pubspec.yaml

@@ -2,15 +2,15 @@ name: sass_api
 # Note: Every time we add a new Sass AST node, we need to bump the *major*
 # version because it's a breaking change for anyone who's implementing the
 # visitor interface(s).
-version: 10.3.0
+version: 10.4.0-dev
 description: Additional APIs for Dart Sass.
 homepage: https://github.com/sass/dart-sass
 
 environment:
   sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
-  sass: 1.76.0
+  sass: 1.77.0
 
 dev_dependencies:
   dartdoc: ^6.0.0

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass
-version: 1.76.0
+version: 1.77.0-dev
 description: A Sass implementation in Dart.
 homepage: https://github.com/sass/dart-sass