loose mode cannot work with ts codeactions

packages/core/src/language-server/code-action-provider.ts

@@ -16,8 +16,10 @@ import type DocumentCache from '../common/document-cache.js';
 import type TransformManager from '../common/transform-manager.js';
 import type { GetTransformedOffsets } from './glint-language-server.js';
 import { offsetToPosition, uriToFilePath } from './util/index.js';
+import { extname } from 'node:path';
 
 // Maps from LSP codeaction API and TS LS CodeAction API
+// Does not work with loose mode for the time being
 export class CodeActionProvider {
   private documents: DocumentCache;
   private transformManager: TransformManager;
@@ -39,12 +41,14 @@ export class CodeActionProvider {
     this.getTransformedOffsets = getTransformedOffsets;
   }
 
-  public getCodeActions(document: string, range: Range, context: CodeActionContext): CodeAction[] {
+  public getCodeActions(filePath: string, range: Range, context: CodeActionContext): CodeAction[] {
+    const ext = extname(filePath);
     if (
       context.diagnostics.length &&
-      (!context.only || context.only.includes(CodeActionKind.QuickFix))
+      (!context.only || context.only.includes(CodeActionKind.QuickFix)) &&
+      ext !== '.hbs' // companion files do not map correctly
     ) {
-      return this.applyCodeAction(document, range, context);
+      return this.applyCodeAction(filePath, range, context);
     }
 
     return [];
@@ -56,6 +60,7 @@ export class CodeActionProvider {
     context: CodeActionContext
   ): CodeAction[] {
     let errorCodes = this.cleanDiagnosticCode(context.diagnostics);
+
     let { transformedStart, transformedEnd, transformedFileName } = this.getTransformedOffsets(
       filePath,
       {
@@ -99,6 +104,7 @@ export class CodeActionProvider {
           version,
           this.documents.getDocumentContents(filePath)
         );
+
         return TextDocumentEdit.create(
           OptionalVersionedTextDocumentIdentifier.create(snapshot.uri, version),
           change.textChanges.map((edit) => {