build: improve Xtext project isolation

* Avoid writing generated source files directly into sibling projects.
* Full project isolation cannot be enabled yet, because the frontend plugin
  still requires cross-projects task dependencies for Node.js installation.

1 files changed, 4 insertions, 4 deletions

diff --git a/subprojects/frontend/build.gradle.kts b/subprojects/frontend/build.gradle.kts
index 9fd99742..d0839371 100644
--- a/subprojects/frontend/build.gradle.kts
+++ b/subprojects/frontend/build.gradle.kts
@@ -29,9 +29,9 @@ val sourcesWithoutTypes = fileTree("src") {
         exclude("**/*.typegen.ts")
 }
 
-val sourcesWithTypes = fileTree("src") + fileTree("types")
+val sourcesWithTypes: FileCollection = fileTree("src") + fileTree("types")
 
-val buildScripts = fileTree("config") + files(
+val buildScripts: FileCollection = fileTree("config") + files(
                 ".eslintrc.cjs",
                 "prettier.config.cjs",
                 "vite.config.ts",
@@ -43,7 +43,7 @@ val installationState = files(
                 "package.json",
 )
 
-val sharedConfigFiles = installationState + files(
+val sharedConfigFiles: FileCollection = installationState + files(
                 "tsconfig.json",
                 "tsconfig.base.json",
                 "tsconfig.node.json",
@@ -58,7 +58,7 @@ val assembleSources = sourcesWithTypes + fileTree("public") + file("index.html")
 
 val assembleFiles = assembleSources + assembleConfigFiles
 
-val lintingFiles = sourcesWithTypes + buildScripts + sharedConfigFiles
+val lintingFiles: FileCollection = sourcesWithTypes + buildScripts + sharedConfigFiles
 
 tasks {
         val generateXStateTypes by registering(RunYarn::class) {