feat(lsp): implement refactoring code actions (#11555)

Closes: denoland/vscode_deno#433

2 files changed, 55 insertions, 0 deletions

diff --git a/cli/tsc/99_main_compiler.js b/cli/tsc/99_main_compiler.js
index f5cfe38dd..29a387887 100644
--- a/cli/tsc/99_main_compiler.js
+++ b/cli/tsc/99_main_compiler.js
@@ -584,6 +584,44 @@ delete Object.prototype.__proto__;
         );
         return respond(id, sourceFile && sourceFile.text);
       }
+      case "getApplicableRefactors": {
+        return respond(
+          id,
+          languageService.getApplicableRefactors(
+            request.specifier,
+            request.range,
+            {
+              quotePreference: "double",
+              allowTextChangesInNewFiles: true,
+              provideRefactorNotApplicableReason: true,
+            },
+            undefined,
+            request.kind,
+          ),
+        );
+      }
+      case "getEditsForRefactor": {
+        return respond(
+          id,
+          languageService.getEditsForRefactor(
+            request.specifier,
+            {
+              indentSize: 2,
+              indentStyle: ts.IndentStyle.Smart,
+              semicolons: ts.SemicolonPreference.Insert,
+              convertTabsToSpaces: true,
+              insertSpaceBeforeAndAfterBinaryOperators: true,
+              insertSpaceAfterCommaDelimiter: true,
+            },
+            request.range,
+            request.refactorName,
+            request.actionName,
+            {
+              quotePreference: "double",
+            },
+          ),
+        );
+      }
       case "getCodeFixes": {
         return respond(
           id,
diff --git a/cli/tsc/compiler.d.ts b/cli/tsc/compiler.d.ts
index 949d98ee0..ff2e59e8e 100644
--- a/cli/tsc/compiler.d.ts
+++ b/cli/tsc/compiler.d.ts
@@ -47,6 +47,8 @@ declare global {
     | ConfigureRequest
     | FindRenameLocationsRequest
     | GetAsset
+    | GetApplicableRefactors
+    | GetEditsForRefactor
     | GetCodeFixes
     | GetCombinedCodeFix
     | GetCompletionDetails
@@ -92,6 +94,21 @@ declare global {
     specifier: string;
   }
 
+  interface GetApplicableRefactors extends BaseLanguageServerRequest {
+    method: "getApplicableRefactors";
+    specifier: string;
+    range: ts.TextRange;
+    kind: string;
+  }
+
+  interface GetEditsForRefactor extends BaseLanguageServerRequest {
+    method: "getEditsForRefactor";
+    specifier: string;
+    range: ts.TextRange;
+    refactorName: string;
+    actionName: string;
+  }
+
   interface GetCodeFixes extends BaseLanguageServerRequest {
     method: "getCodeFixes";
     specifier: string;