Merge pull request #27019 from iliashkolyar/codefix_add_missing_new_operator

Codefix: add quick fix for missing 'new' operator

src/compiler/diagnosticMessages.json

@@ -4748,7 +4748,6 @@
         "category": "Message",
         "code": 95062
     },
-
     "Add missing enum member '{0}'": {
         "category": "Message",
         "code": 95063
@@ -4780,5 +4779,13 @@
     "Add 'unknown' to all conversions of non-overlapping types": {
         "category": "Message",
         "code": 95070
+    },
+    "Add missing 'new' operator to call": {
+        "category": "Message",
+        "code": 95071
+    },
+    "Add missing 'new' operator to all calls": {
+        "category": "Message",
+        "code": 95072
     }
 }

src/services/codefixes/fixAddMissingNewOperator.ts

@@ -0,0 +1,32 @@
+/* @internal */
+namespace ts.codefix {
+    const fixId = "addMissingNewOperator";
+    const errorCodes = [Diagnostics.Value_of_type_0_is_not_callable_Did_you_mean_to_include_new.code];
+    registerCodeFix({
+        errorCodes,
+        getCodeActions(context) {
+            const { sourceFile, span } = context;
+            const changes = textChanges.ChangeTracker.with(context, t => addMissingNewOperator(t, sourceFile, span));
+            return [createCodeFixAction(fixId, changes, Diagnostics.Add_missing_new_operator_to_call, fixId, Diagnostics.Add_missing_new_operator_to_all_calls)];
+        },
+        fixIds: [fixId],
+        getAllCodeActions: context => codeFixAll(context, errorCodes, (changes, diag) =>
+            addMissingNewOperator(changes, context.sourceFile, diag)),
+    });
+
+    function addMissingNewOperator(changes: textChanges.ChangeTracker, sourceFile: SourceFile, span: TextSpan): void {
+        const call = cast(findAncestorMatchingSpan(sourceFile, span), isCallExpression);
+        const newExpression = createNew(call.expression, call.typeArguments, call.arguments);
+
+        changes.replaceNode(sourceFile, call, newExpression);
+    }
+
+    function findAncestorMatchingSpan(sourceFile: SourceFile, span: TextSpan): Node {
+        let token = getTokenAtPosition(sourceFile, span.start);
+        const end = textSpanEnd(span);
+        while (token.end < end) {
+            token = token.parent;
+        }
+        return token;
+    }
+}

src/services/tsconfig.json

@@ -55,6 +55,7 @@
         "codefixes/importFixes.ts",
         "codefixes/fixSpelling.ts",
         "codefixes/fixAddMissingMember.ts",
+        "codefixes/fixAddMissingNewOperator.ts",
         "codefixes/fixCannotFindModule.ts",
         "codefixes/fixClassDoesntImplementInheritedAbstractMember.ts",
         "codefixes/fixClassSuperMustPrecedeThisAccess.ts",