suppress type annotations in js file

Author: Arthur Ozga

src/services/codefixes/fixAddMissingMember.ts

@@ -70,7 +70,7 @@ namespace ts.codefix {
         function getActionsForAddMissingMemberInJavaScriptFile(classDeclaration: ClassLikeDeclaration, makeStatic: boolean): CodeAction[] | undefined {
             let actions: CodeAction[];
 
-            const methodCodeAction = getActionForMethodDeclaration();
+            const methodCodeAction = getActionForMethodDeclaration(/*includeTypeScriptSyntax*/ false);
             if (methodCodeAction) {
                 actions = [methodCodeAction];
             }
@@ -130,7 +130,7 @@ namespace ts.codefix {
         function getActionsForAddMissingMemberInTypeScriptFile(classDeclaration: ClassLikeDeclaration, makeStatic: boolean): CodeAction[] | undefined {
             let actions: CodeAction[];
 
-            const methodCodeAction = getActionForMethodDeclaration();
+            const methodCodeAction = getActionForMethodDeclaration(/*includeTypeScriptSyntax*/ true);
             if (methodCodeAction) {
                 actions = [methodCodeAction];
             }
@@ -189,10 +189,10 @@ namespace ts.codefix {
             return actions;
         }
 
-        function getActionForMethodDeclaration(): CodeAction | undefined {
+        function getActionForMethodDeclaration(includeTypeScriptSyntax: boolean): CodeAction | undefined {
             if (token.parent.parent.kind === SyntaxKind.CallExpression) {
                 const callExpression = <CallExpression>token.parent.parent;
-                const methodDeclaration = createMethodFromCallExpression(callExpression, tokenName, /*includeTypeScriptSyntax*/ true, makeStatic);
+                const methodDeclaration = createMethodFromCallExpression(callExpression, tokenName, includeTypeScriptSyntax, makeStatic);
 
                 const methodDeclarationChangeTracker = textChanges.ChangeTracker.fromCodeFixContext(context);
                 methodDeclarationChangeTracker.insertNodeAfter(classDeclarationSourceFile, classOpenBrace, methodDeclaration, { suffix: context.newLineCharacter });

tests/cases/fourslash/codeFixUndeclaredAcrossFiles2.ts

@@ -13,10 +13,10 @@
 
 // @Filename: f1.js
 //// [|export class C {
-////     x: number;
-////     static y: string;
 ////     constructor() { }
-//// }|]
+//// }
+////
+//// |]
 
 verify.getAndApplyCodeFix(/*errorCode*/undefined, 0);
 verify.getAndApplyCodeFix(/*errorCode*/undefined, 0);
@@ -25,16 +25,15 @@ verify.getAndApplyCodeFix(/*errorCode*/undefined, 0);
 
 verify.rangeIs(`
 export class C {
-    m1(): any {
+    m1() {
         throw new Error("Method not implemented.");
     }
-    static m0(arg0: any, arg1: any, arg2: any): any {
+    static m0(arg0, arg1, arg2) {
         throw new Error("Method not implemented.");
     }
-    x: number;
-    static y: string;
     constructor() {
         this.y = undefined;
     }
 }
+C.x = undefined;
 `);