Pass undefined span instead of null to Logger.warn() in JS

CHANGELOG.md

@@ -1,3 +1,10 @@
+## 1.45.3
+
+### JS API
+
+* **Potentially breaking bug fix:** Match the specification of the new JS API by
+  passing `undefined` rather than `null` to `Logger.warn()` for an unset `span`.
+
 ## 1.45.2
 
 ### JS API

lib/src/logger/node_to_dart.dart

@@ -2,6 +2,7 @@
 // MIT-style license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+import 'package:node_interop/js.dart';
 import 'package:source_span/source_span.dart';
 import 'package:stack_trace/stack_trace.dart';
 import 'package:term_glyph/term_glyph.dart' as glyph;
@@ -38,7 +39,9 @@ class NodeToDartLogger implements Logger {
       warn(
           message,
           WarnOptions(
-              span: span, stack: trace.toString(), deprecation: deprecation));
+              span: span ?? (undefined as SourceSpan?),
+              stack: trace.toString(),
+              deprecation: deprecation));
     }
   }
 

pkg/sass_api/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.0.0-beta.26
+
+* No user-visible changes.
+
 ## 1.0.0-beta.25
 
 * 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: 1.0.0-beta.25
+version: 1.0.0-beta.26
 description: Additional APIs for Dart Sass.
 homepage: https://github.com/sass/dart-sass
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
-  sass: 1.45.2
+  sass: 1.45.3
 
 dependency_overrides:
   sass: {path: ../..}

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass
-version: 1.45.2
+version: 1.45.3
 description: A Sass implementation in Dart.
 homepage: https://github.com/sass/dart-sass