Fix integration of local packages with Objective C targets (#5957)

* Fix integration of a local package with Objective C code

* Update app_with_spm_dependencies to include a local package with Objc

Sources/TuistGenerator/Mappers/DeleteDerivedDirectoryProjectMapper.swift

@@ -6,9 +6,14 @@ import TuistSupport
 /// A project mapper that returns side effects to delete the derived directory.
 public final class DeleteDerivedDirectoryProjectMapper: ProjectMapping {
     private let derivedDirectoryName: String
+    private let fileHandler: FileHandling
 
-    public init(derivedDirectoryName: String = Constants.DerivedDirectory.name) {
+    public init(
+        derivedDirectoryName: String = Constants.DerivedDirectory.name,
+        fileHandler: FileHandling = FileHandler.shared
+    ) {
         self.derivedDirectoryName = derivedDirectoryName
+        self.fileHandler = fileHandler
     }
 
     // MARK: - ProjectMapping
@@ -17,10 +22,21 @@ public final class DeleteDerivedDirectoryProjectMapper: ProjectMapping {
         logger.debug("Transforming project \(project.name): Deleting /Derived directory")
 
         let derivedDirectoryPath = project.path.appending(component: derivedDirectoryName)
-        let directoryDescriptor = DirectoryDescriptor(path: derivedDirectoryPath, state: .absent)
 
-        return (project, [
-            .directory(directoryDescriptor),
-        ])
+        if !fileHandler.exists(derivedDirectoryPath) {
+            return (project, [])
+        }
+
+        let sideEffects: [SideEffectDescriptor] = try fileHandler.contentsOfDirectory(derivedDirectoryPath)
+            .filter { $0.extension != "modulemap" }
+            .map {
+                if fileHandler.isFolder($0) {
+                    return .directory(DirectoryDescriptor(path: $0, state: .absent))
+                } else {
+                    return .file(FileDescriptor(path: $0, state: .absent))
+                }
+            }
+
+        return (project, sideEffects)
     }
 }

Tests/TuistGeneratorTests/ProjectMappers/DeleteDerivedDirectoryProjectMapperTests.swift

@@ -24,14 +24,19 @@ public final class DeleteDerivedDirectoryProjectMapperTests: TuistUnitTestCase {
 
     func test_map_returns_sideEffectsToDeleteDerivedDirectories() throws {
         // Given
-        let projectA = Project.test(path: "/projectA")
+        let projectPath = try temporaryPath()
+        let derivedDirectory = projectPath.appending(component: Constants.DerivedDirectory.name)
+        let projectA = Project.test(path: projectPath)
+        try fileHandler.createFolder(derivedDirectory)
+        try fileHandler.createFolder(derivedDirectory.appending(component: "InfoPlists"))
+        try fileHandler.touch(derivedDirectory.appending(component: "TargetA.modulemap"))
 
         // When
         let (_, sideEffects) = try subject.map(project: projectA)
 
         // Then
         XCTAssertEqual(sideEffects, [
-            .directory(.init(path: projectA.path.appending(component: Constants.DerivedDirectory.name), state: .absent)),
+            .directory(.init(path: derivedDirectory.appending(component: "InfoPlists"), state: .absent)),
         ])
     }
 }

fixtures/app_with_spm_dependencies/LocalSwiftPackageB/Package.swift

@@ -8,6 +8,10 @@ let package = Package(
     defaultLocalization: "en",
     products: [.library(name: "LibraryA", targets: ["LibraryA"])],
     targets: [
-        .target(name: "LibraryA"),
-    ]
+        .target(name: "LibraryA", dependencies: ["LibraryAProxy"]),
+        .target(
+            name: "LibraryAProxy"
+        ),
+    ],
+    cxxLanguageStandard: .cxx17
 )

fixtures/app_with_spm_dependencies/LocalSwiftPackageB/Sources/LibraryA/MyStruct.swift

@@ -1 +1,3 @@
+import LibraryAProxy
+
 public struct MyStruct {}

fixtures/app_with_spm_dependencies/LocalSwiftPackageB/Sources/LibraryAProxy/Test.mm

@@ -0,0 +1,5 @@
+#import "Test.h"
+
+@implementation Test { }
+
+@end

fixtures/app_with_spm_dependencies/LocalSwiftPackageB/Sources/LibraryAProxy/include/Test.h

@@ -0,0 +1,5 @@
+#import <Foundation/Foundation.h>
+
+@interface Test : NSObject
+
+@end