(fix) prevent ts assertion error (#1962)

#1956 Only add the file to the project if it has a projectRootPath, because else a ts.Assert error will be thrown when multiple inferred projects are tried to be merged.
sveltejs · Mar 24, 2023 · c272019 · c272019
1 parent 98ac081
commit c272019
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/packages/typescript-plugin/src/index.ts b/packages/typescript-plugin/src/index.ts
@@ -229,7 +229,12 @@ function init(modules: { typescript: typeof ts }): ts.server.PluginModule {
             project.projectService.openFiles.set(scriptInfo.path, undefined);
         }
 
-        project.addRoot(scriptInfo);
+        if ((project as any).projectRootPath) {
+            // Only add the file to the project if it has a projectRootPath, because else
+            // a ts.Assert error will be thrown when multiple inferred projects are tried
+            // to be merged.
+            project.addRoot(scriptInfo);
+        }
     }
 
     return { create, getExternalFiles, onConfigurationChanged };