fix51686: don't indent mapped types on new lines (#58039)

src/services/formatting/smartIndenter.ts

@@ -721,7 +721,8 @@ export namespace SmartIndenter {
                 return childKind !== SyntaxKind.JsxClosingFragment;
             case SyntaxKind.IntersectionType:
             case SyntaxKind.UnionType:
-                if (childKind === SyntaxKind.TypeLiteral || childKind === SyntaxKind.TupleType) {
+            case SyntaxKind.SatisfiesExpression:
+                if (childKind === SyntaxKind.TypeLiteral || childKind === SyntaxKind.TupleType || childKind === SyntaxKind.MappedType) {
                     return false;
                 }
                 break;

tests/cases/fourslash/formatMultilineTypesWithMapped.ts

@@ -0,0 +1,76 @@
+/// <reference path="fourslash.ts" />
+
+//// type Z = 'z'
+//// type A = {
+////   a: 'a'
+//// } | {
+////       [index in Z]: string
+////   }
+//// type B = {
+////   b: 'b'
+//// } & {
+////       [index in Z]: string
+////   }
+//// 
+//// const c = {
+////   c: 'c'
+//// } as const satisfies {
+////     [index in Z]: string
+////   }
+//// 
+//// const d = {
+////   d: 'd'
+//// } as const satisfies {
+////   [index: string]: string
+//// }
+//// 
+//// const e = {
+////   e: 'e'
+//// } satisfies {
+////     [index in Z]: string
+////   }
+//// 
+//// const f = {
+////   f: 'f'
+//// } satisfies {
+////   [index: string]: string
+//// }
+
+format.document();
+verify.currentFileContentIs(
+`type Z = 'z'
+type A = {
+    a: 'a'
+} | {
+    [index in Z]: string
+}
+type B = {
+    b: 'b'
+} & {
+    [index in Z]: string
+}
+
+const c = {
+    c: 'c'
+} as const satisfies {
+    [index in Z]: string
+}
+
+const d = {
+    d: 'd'
+} as const satisfies {
+    [index: string]: string
+}
+
+const e = {
+    e: 'e'
+} satisfies {
+    [index in Z]: string
+}
+
+const f = {
+    f: 'f'
+} satisfies {
+    [index: string]: string
+}`
+)