Fix CSS import bug (#1633)

CHANGELOG.md

@@ -1,5 +1,7 @@
 ## 1.49.8
 
+* Fixed a bug where some plain CSS imports would not be emitted.
+
 ### JS API
 
 * Fix a bug where inspecting the Sass module in the Node.js console crashed on

lib/src/node/compile.dart

@@ -47,7 +47,8 @@ NodeCompileResult compile(String path, [CompileOptions? options]) {
             ascii: ascii),
         importers: options?.importers?.map(_parseImporter),
         functions: _parseFunctions(options?.functions).cast());
-    return _convertResult(result, includeSourceContents: options?.sourceMapIncludeSources ?? false);
+    return _convertResult(result,
+        includeSourceContents: options?.sourceMapIncludeSources ?? false);
   } on SassException catch (error, stackTrace) {
     throwNodeException(error, color: color, ascii: ascii, trace: stackTrace);
   }
@@ -76,7 +77,8 @@ NodeCompileResult compileString(String text, [CompileStringOptions? options]) {
         importer: options?.importer.andThen(_parseImporter) ??
             (options?.url == null ? NoOpImporter() : null),
         functions: _parseFunctions(options?.functions).cast());
-    return _convertResult(result, includeSourceContents: options?.sourceMapIncludeSources ?? false);
+    return _convertResult(result,
+        includeSourceContents: options?.sourceMapIncludeSources ?? false);
   } on SassException catch (error, stackTrace) {
     throwNodeException(error, color: color, ascii: ascii, trace: stackTrace);
   }
@@ -102,7 +104,8 @@ Promise compileAsync(String path, [CompileOptions? options]) {
         importers: options?.importers
             ?.map((importer) => _parseAsyncImporter(importer)),
         functions: _parseFunctions(options?.functions, asynch: true));
-    return _convertResult(result, includeSourceContents: options?.sourceMapIncludeSources ?? false);
+    return _convertResult(result,
+        includeSourceContents: options?.sourceMapIncludeSources ?? false);
   }()), color: color, ascii: ascii);
 }
 
@@ -131,13 +134,16 @@ Promise compileStringAsync(String text, [CompileStringOptions? options]) {
                 .andThen((importer) => _parseAsyncImporter(importer)) ??
             (options?.url == null ? NoOpImporter() : null),
         functions: _parseFunctions(options?.functions, asynch: true));
-    return _convertResult(result, includeSourceContents: options?.sourceMapIncludeSources ?? false);
+    return _convertResult(result,
+        includeSourceContents: options?.sourceMapIncludeSources ?? false);
   }()), color: color, ascii: ascii);
 }
 
 /// Converts a Dart [CompileResult] into a JS API [NodeCompileResult].
-NodeCompileResult _convertResult(CompileResult result, {required bool includeSourceContents}) {
-  var sourceMap = result.sourceMap?.toJson(includeSourceContents: includeSourceContents);
+NodeCompileResult _convertResult(CompileResult result,
+    {required bool includeSourceContents}) {
+  var sourceMap =
+      result.sourceMap?.toJson(includeSourceContents: includeSourceContents);
   if (sourceMap is Map<String, dynamic> && !sourceMap.containsKey('sources')) {
     // Dart's source map library can omit the sources key, but JS's type
     // declaration doesn't allow that.

lib/src/visitor/async_evaluate.dart

@@ -1526,10 +1526,12 @@ class _EvaluateVisitor
 
         _importer = oldImporter;
         _stylesheet = oldStylesheet;
-        _root = oldRoot;
-        _parent = oldParent;
-        _endOfImports = oldEndOfImports;
-        _outOfOrderImports = oldOutOfOrderImports;
+        if (loadsUserDefinedModules) {
+          _root = oldRoot;
+          _parent = oldParent;
+          _endOfImports = oldEndOfImports;
+          _outOfOrderImports = oldOutOfOrderImports;
+        }
         _configuration = oldConfiguration;
         _inDependency = oldInDependency;
       });
@@ -1539,7 +1541,6 @@ class _EvaluateVisitor
       // CSS from modules used by [stylesheet].
       var module = environment.toDummyModule();
       _environment.importForwards(module);
-
       if (loadsUserDefinedModules) {
         if (module.transitivelyContainsCss) {
           // If any transitively used module contains extensions, we need to

lib/src/visitor/evaluate.dart

@@ -5,7 +5,7 @@
 // DO NOT EDIT. This file was generated from async_evaluate.dart.
 // See tool/grind/synchronize.dart for details.
 //
-// Checksum: c1d303225e5cac5e32dd32a4eed30a71a35b390c
+// Checksum: d0af88db460da6528bdfeef34eb85baac00f9435
 //
 // ignore_for_file: unused_import
 
@@ -1526,10 +1526,12 @@ class _EvaluateVisitor
 
         _importer = oldImporter;
         _stylesheet = oldStylesheet;
-        _root = oldRoot;
-        _parent = oldParent;
-        _endOfImports = oldEndOfImports;
-        _outOfOrderImports = oldOutOfOrderImports;
+        if (loadsUserDefinedModules) {
+          _root = oldRoot;
+          _parent = oldParent;
+          _endOfImports = oldEndOfImports;
+          _outOfOrderImports = oldOutOfOrderImports;
+        }
         _configuration = oldConfiguration;
         _inDependency = oldInDependency;
       });
@@ -1539,7 +1541,6 @@ class _EvaluateVisitor
       // CSS from modules used by [stylesheet].
       var module = environment.toDummyModule();
       _environment.importForwards(module);
-
       if (loadsUserDefinedModules) {
         if (module.transitivelyContainsCss) {
           // If any transitively used module contains extensions, we need to

pkg/sass_api/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.0.0-beta.37
+
+* No user-visible changes.
+
 ## 1.0.0-beta.36
 
 * No user-visible changes.

pkg/sass_api/pubspec.yaml

@@ -2,7 +2,7 @@ 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.36
+version: 1.0.0-beta.37
 description: Additional APIs for Dart Sass.
 homepage: https://github.com/sass/dart-sass
 
@@ -10,7 +10,7 @@ environment:
   sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
-  sass: 1.49.7
+  sass: 1.49.8
 
 dependency_overrides:
   sass: {path: ../..}

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass
-version: 1.49.8-dev
+version: 1.49.8
 description: A Sass implementation in Dart.
 homepage: https://github.com/sass/dart-sass