add skeleton

src/compiler/diagnosticMessages.json

@@ -4720,5 +4720,21 @@
     "Generate types for all packages without types": {
         "category": "Message",
         "code": 95068
+    },
+    "Convert arrow function or anonymous function": {
+        "category": "Message",
+        "code": 95069
+    },
+    "Convert to anonymous function": {
+        "category": "Message",
+        "code": 95070
+    },
+    "Convert to named function": {
+        "category": "Message",
+        "code": 95071
+    },
+    "Convert to arrow function": {
+        "category": "Message",
+        "code": 95072
     }
-}
+}

src/services/refactors/convertArrowFunctionOrFunction.ts

@@ -0,0 +1,41 @@
+/* @internal */
+namespace ts.refactor.convertArrowFunctionOrFunction {
+    const refactorName = "Convert arrow function or anonymous function";
+    const refactorDescription = Diagnostics.Convert_arrow_function_or_anonymous_function.message;
+
+    const toAnonymousFunctionActionName = "Convert to anonymous function";
+    const toNamedFunctionActionName = "Convert to named function";
+    const toArrowFunctionActionName = "Convert to arrow function";
+
+    const toAnonymousFunctionActionDescription = Diagnostics.Convert_to_anonymous_function.message;
+    const toNamedFunctionActionDescription = Diagnostics.Convert_to_named_function.message;
+    const toArrowFunctionActionDescription = Diagnostics.Convert_to_arrow_function.message;
+
+    registerRefactor(refactorName, { getEditsForAction, getAvailableActions });
+
+    function getAvailableActions(context: RefactorContext): ApplicableRefactorInfo[] | undefined {
+        return [{
+            name: refactorName,
+            description: refactorDescription,
+            actions: [
+                    {
+                        name: toAnonymousFunctionActionName,
+                        description: toAnonymousFunctionActionDescription
+                    },
+                    {
+                        name: toNamedFunctionActionName,
+                        description: toNamedFunctionActionDescription
+                    },
+                    {
+                        name: toArrowFunctionActionName,
+                        description: toArrowFunctionActionDescription
+                    }
+            ]
+        }];
+    }
+
+    function getEditsForAction(context: RefactorContext, actionName: string): RefactorEditInfo | undefined {
+        return undefined;
+    }
+
+}

src/services/tsconfig.json

@@ -80,6 +80,7 @@
         "refactors/generateGetAccessorAndSetAccessor.ts",
         "refactors/moveToNewFile.ts",
         "refactors/addOrRemoveBracesToArrowFunction.ts",
+        "refactors/convertArrowFunctionOrFunction.ts",
         "services.ts",
         "breakpoints.ts",
         "transform.ts",