fix: fixes local package refs

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Version 0.16.3
 - adds more diff result reporting options (cli, json, markdown)
+- fixes broken local packages refs
 
 ## Version 0.16.2
 - fixes relative path handling in package config (leading to unresolvable types)

lib/src/cli/commands/command_mixin.dart

@@ -201,6 +201,8 @@ OBSOLETE: Has no effect anymore.
     required String sourcePackageConfigPath,
   }) async {
     final sourcePackageConfigDirPath = p.dirname(sourcePackageConfigPath);
+    final sourcePackageDirPath =
+        Directory(sourcePackageConfigDirPath).parent.path;
     final targetPackageConfigContent =
         jsonDecode(await File(targetPackageConfigPath).readAsString());
     // iterate through the package_config.json content and look for relative paths
@@ -211,6 +213,10 @@ OBSOLETE: Has no effect anymore.
         // we make the relative path absolute by using the origin of the source package config as a base
         final normalizedPackagePath =
             p.normalize(p.join(sourcePackageConfigDirPath, packagePath));
+        // if the relative path is the package path, then don't make it absolute
+        if (p.equals(sourcePackageDirPath, normalizedPackagePath)) {
+          continue;
+        }
         // and write the new absolute path back to the json structure
         packageConfig['rootUri'] = p.toUri(normalizedPackagePath).toString();
       }

test/integration_tests/cli/extract_command_test.dart

@@ -75,6 +75,45 @@ void main() {
       timeout: integrationTestTimeout,
     );
 
+    test(
+      'local packages don\'t break own package refs',
+      () async {
+        final tempDir = await Directory.systemTemp.createTemp();
+        final tempFilePath = path.join(tempDir.path, 'extract_paths_test.json');
+        final exitCode = await runner.run([
+          'extract',
+          '--input',
+          path.join(
+            'test',
+            'test_packages',
+            'path_references',
+            'cluster_a',
+            'package_a',
+          ),
+          '--output',
+          tempFilePath,
+        ]);
+        expect(exitCode, 0);
+
+        final jsonReportFile = File(tempFilePath);
+        expect(await jsonReportFile.exists(), isTrue);
+
+        final jsonReport = jsonDecode(await jsonReportFile.readAsString());
+        await tempDir.delete(recursive: true);
+
+        // check if the thisIsAMixinField in ClassA was extracted
+        final interfaceDeclarations =
+            jsonReport['packageApi']['interfaceDeclarations'] as List;
+        final classADeclaration =
+            interfaceDeclarations.singleWhere((id) => id['name'] == 'ClassA');
+        final thisIsAMixinFields =
+            (classADeclaration['fieldDeclarations'] as List)
+                .where((fd) => fd['name'] == 'thisIsAMixinField');
+        expect(thisIsAMixinFields.length, 1);
+      },
+      timeout: integrationTestTimeout,
+    );
+
     test(
       'Can handle pub ref',
       () async {

test/test_packages/path_references/cluster_a/package_a/lib/types/class_a.dart

@@ -1,8 +1,9 @@
 import 'package:meta/meta.dart';
 import 'package:package_b/package_b.dart';
+import 'package:package_a/types/mixin_a.dart';
 
 @experimental
-class ClassA {
+class ClassA with MixinA {
   final ClassB classB;
 
   ClassA({required this.classB});

test/test_packages/path_references/cluster_a/package_a/lib/types/mixin_a.dart

@@ -0,0 +1,3 @@
+mixin MixinA {
+  int thisIsAMixinField;
+}