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Actually have a chance to reuse optional property signatures in the node builder (microsoft#57995)
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‎src/compiler/checker.ts

+1-1
Original file line numberDiff line numberDiff line change
@@ -8551,7 +8551,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
85518551
if (typeFromTypeNode === type) {
85528552
return true;
85538553
}
8554-
if (annotatedDeclaration && (isParameter(annotatedDeclaration) || isPropertyDeclaration(annotatedDeclaration)) && annotatedDeclaration.questionToken) {
8554+
if (annotatedDeclaration && (isParameter(annotatedDeclaration) || isPropertySignature(annotatedDeclaration) || isPropertyDeclaration(annotatedDeclaration)) && annotatedDeclaration.questionToken) {
85558555
return getTypeWithFacts(type, TypeFacts.NEUndefined) === typeFromTypeNode;
85568556
}
85578557
return false;

‎tests/baselines/reference/avoidNarrowingUsingConstVariableFromBindingElementWithLiteralInitializer.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -8,8 +8,8 @@ declare const foo: ["a", string, number] | ["b", string, boolean];
88
export function test(arg: { index?: number }) {
99
>test : (arg: { index?: number; }) => void
1010
> : ^^^^^^ ^^^^^^^^^
11-
>arg : { index?: number | undefined; }
12-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
11+
>arg : { index?: number; }
12+
> : ^^^^^^^^^^ ^^^
1313
>index : number | undefined
1414
> : ^^^^^^^^^^^^^^^^^^
1515

‎tests/baselines/reference/checkJsxIntersectionElementPropsType.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -23,8 +23,8 @@ declare class Component<P> {
2323
class C<T> extends Component<{ x?: boolean; } & T> {}
2424
>C : C<T>
2525
> : ^^^^
26-
>Component : Component<{ x?: boolean | undefined; } & T>
27-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
26+
>Component : Component<{ x?: boolean; } & T>
27+
> : ^^^^^^^^^^^^^^^^ ^^^^^^^^
2828
>x : boolean | undefined
2929
> : ^^^^^^^^^^^^^^^^^^^
3030

‎tests/baselines/reference/circularlyConstrainedMappedTypeContainingConditionalNoInfiniteInstantiationDepth.types

+4-4
Original file line numberDiff line numberDiff line change
@@ -16,8 +16,8 @@ declare class Component<P> {
1616
> : ^^^
1717

1818
readonly props: Readonly<P> & Readonly<{ children?: {} }>;
19-
>props : Readonly<P> & Readonly<{ children?: {} | undefined; }>
20-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
19+
>props : Readonly<P> & Readonly<{ children?: {}; }>
20+
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^
2121
>children : {} | undefined
2222
> : ^^^^^^^^^^^^^^
2323
}
@@ -42,8 +42,8 @@ interface ComponentClass<P = {}> {
4242
}
4343
interface FunctionComponent<P = {}> {
4444
(props: P & { children?: {} }, context?: any): {} | null;
45-
>props : P & { children?: {} | undefined; }
46-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
45+
>props : P & { children?: {}; }
46+
> : ^^^^^^^^^^^^^^^^^ ^^^
4747
>children : {} | undefined
4848
> : ^^^^^^^^^^^^^^
4949
>context : any

‎tests/baselines/reference/contextualSignatureConditionalTypeInstantiationUsingDefault.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -33,8 +33,8 @@ declare function createMachine<
3333
TTypesMeta extends TypegenEnabled | TypegenDisabled = TypegenDisabled
3434
>(
3535
config: {
36-
>config : { types?: TTypesMeta | undefined; }
37-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
36+
>config : { types?: TTypesMeta; }
37+
> : ^^^^^^^^^^ ^^^
3838

3939
types?: TTypesMeta;
4040
>types : TTypesMeta | undefined

‎tests/baselines/reference/contextuallyTypedOptionalProperty(exactoptionalpropertytypes=false).types

+2-2
Original file line numberDiff line numberDiff line change
@@ -14,8 +14,8 @@ declare function match<T>(cb: (value: T) => boolean): T;
1414
declare function foo(pos: { x?: number; y?: number }): boolean;
1515
>foo : (pos: { x?: number; y?: number; }) => boolean
1616
> : ^^^^^^ ^^^^^
17-
>pos : { x?: number | undefined; y?: number | undefined; }
18-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
17+
>pos : { x?: number; y?: number; }
18+
> : ^^^^^^ ^^^^^^ ^^^
1919
>x : number | undefined
2020
> : ^^^^^^^^^^^^^^^^^^
2121
>y : number | undefined

‎tests/baselines/reference/contextuallyTypedParametersWithInitializers1.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -28,8 +28,8 @@ declare function id3<T extends (x: { foo: any }) => any>(input: T): T;
2828
declare function id4<T extends (x: { foo?: number }) => any>(input: T): T;
2929
>id4 : <T extends (x: { foo?: number; }) => any>(input: T) => T
3030
> : ^ ^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^ ^^^^^
31-
>x : { foo?: number | undefined; }
32-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
31+
>x : { foo?: number; }
32+
> : ^^^^^^^^ ^^^
3333
>foo : number | undefined
3434
> : ^^^^^^^^^^^^^^^^^^
3535
>input : T

‎tests/baselines/reference/controlFlowAliasing.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -1284,8 +1284,8 @@ class C11 {
12841284
function f40(obj: { kind: 'foo', foo?: string } | { kind: 'bar', bar?: number }) {
12851285
>f40 : (obj: { kind: 'foo'; foo?: string; } | { kind: 'bar'; bar?: number; }) => void
12861286
> : ^^^^^^ ^^^^^^^^^
1287-
>obj : { kind: 'foo'; foo?: string | undefined; } | { kind: 'bar'; bar?: number | undefined; }
1288-
> : ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1287+
>obj : { kind: 'foo'; foo?: string; } | { kind: 'bar'; bar?: number; }
1288+
> : ^^^^^^^^ ^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^ ^^^
12891289
>kind : "foo"
12901290
> : ^^^^^
12911291
>foo : string | undefined

‎tests/baselines/reference/controlFlowDeleteOperator.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,8 @@ function f() {
66
> : ^^^^^^^^^^
77

88
let x: { a?: number | string, b: number | string } = { b: 1 };
9-
>x : { a?: string | number | undefined; b: number | string; }
10-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^
9+
>x : { a?: number | string; b: number | string; }
10+
> : ^^^^^^ ^^^^^ ^^^
1111
>a : string | number | undefined
1212
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
1313
>b : string | number

‎tests/baselines/reference/controlFlowInitializedDestructuringVariables.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,8 @@
22

33
=== controlFlowInitializedDestructuringVariables.ts ===
44
declare const obj: { a?: string, b?: number };
5-
>obj : { a?: string | undefined; b?: number | undefined; }
6-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
5+
>obj : { a?: string; b?: number; }
6+
> : ^^^^^^ ^^^^^^ ^^^
77
>a : string | undefined
88
> : ^^^^^^^^^^^^^^^^^^
99
>b : number | undefined

‎tests/baselines/reference/controlFlowOptionalChain.types

+6-6
Original file line numberDiff line numberDiff line change
@@ -387,8 +387,8 @@ o3.x;
387387
> : ^^^^^
388388

389389
declare const o4: { x?: { y: boolean } };
390-
>o4 : { x?: { y: boolean; } | undefined; }
391-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
390+
>o4 : { x?: { y: boolean; }; }
391+
> : ^^^^^^ ^^^
392392
>x : { y: boolean; } | undefined
393393
> : ^^^^^ ^^^^^^^^^^^^^^^
394394
>y : boolean
@@ -504,12 +504,12 @@ o4.x.y;
504504
> : ^^^^^^^
505505

506506
declare const o5: { x?: { y: { z?: { w: boolean } } } };
507-
>o5 : { x?: { y: { z?: { w: boolean; }; }; } | undefined; }
508-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
507+
>o5 : { x?: { y: { z?: { w: boolean; }; }; }; }
508+
> : ^^^^^^ ^^^
509509
>x : { y: { z?: { w: boolean; }; }; } | undefined
510510
> : ^^^^^ ^^^^^^^^^^^^^^^
511-
>y : { z?: { w: boolean; } | undefined; }
512-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
511+
>y : { z?: { w: boolean; }; }
512+
> : ^^^^^^ ^^^
513513
>z : { w: boolean; } | undefined
514514
> : ^^^^^ ^^^^^^^^^^^^^^^
515515
>w : boolean

‎tests/baselines/reference/controlFlowOptionalChain3.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -135,8 +135,8 @@ function Test3({ foo }: { foo: Foo | undefined }) {
135135
function test4(options?: { a?: boolean; b?: boolean }) {
136136
>test4 : (options?: { a?: boolean; b?: boolean; }) => void
137137
> : ^^^^^^^^^^^ ^^^^^^^^^
138-
>options : { a?: boolean | undefined; b?: boolean | undefined; } | undefined
139-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
138+
>options : { a?: boolean; b?: boolean; } | undefined
139+
> : ^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^^
140140
>a : boolean | undefined
141141
> : ^^^^^^^^^^^^^^^^^^^
142142
>b : boolean | undefined

‎tests/baselines/reference/correlatedUnions.js

+2-2
Original file line numberDiff line numberDiff line change
@@ -528,12 +528,12 @@ declare function processEvents<K extends keyof DocumentEventMap>(events: Ev<K>[]
528528
declare function createEventListener<K extends keyof DocumentEventMap>({ name, once, callback }: Ev<K>): Ev<K>;
529529
declare const clickEvent: {
530530
readonly name: "click";
531-
readonly once?: boolean | undefined;
531+
readonly once?: boolean;
532532
readonly callback: (ev: MouseEvent) => void;
533533
};
534534
declare const scrollEvent: {
535535
readonly name: "scroll";
536-
readonly once?: boolean | undefined;
536+
readonly once?: boolean;
537537
readonly callback: (ev: Event) => void;
538538
};
539539
declare function ff1(): void;

‎tests/baselines/reference/declarationEmitOptionalMethod.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,8 @@ export const Foo = (opts: {
66
> : ^^^^^^^ ^^^^^
77
>(opts: { a?(): void, b?: () => void,}): { c?(): void, d?: () => void,} => ({ }) : (opts: { a?(): void; b?: () => void; }) => { c?(): void; d?: () => void; }
88
> : ^^^^^^^ ^^^^^
9-
>opts : { a?(): void; b?: (() => void) | undefined; }
10-
> : ^^^^^^^^ ^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^
9+
>opts : { a?(): void; b?: () => void; }
10+
> : ^^^^^^^^ ^^^^^^ ^^^
1111

1212
a?(): void,
1313
>a : (() => void) | undefined

‎tests/baselines/reference/deleteChain.types

+10-10
Original file line numberDiff line numberDiff line change
@@ -106,12 +106,12 @@ delete (o3.b?.c);
106106
> : ^^^^^^^^^^^^^^^^^^
107107

108108
declare const o4: { b?: { c: { d?: { e: string } } } };
109-
>o4 : { b?: { c: { d?: { e: string; }; }; } | undefined; }
110-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
109+
>o4 : { b?: { c: { d?: { e: string; }; }; }; }
110+
> : ^^^^^^ ^^^
111111
>b : { c: { d?: { e: string; }; }; } | undefined
112112
> : ^^^^^ ^^^^^^^^^^^^^^^
113-
>c : { d?: { e: string; } | undefined; }
114-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
113+
>c : { d?: { e: string; }; }
114+
> : ^^^^^^ ^^^
115115
>d : { e: string; } | undefined
116116
> : ^^^^^ ^^^^^^^^^^^^^^^
117117
>e : string
@@ -192,8 +192,8 @@ declare const o5: { b?(): { c: { d?: { e: string } } } };
192192
> : ^^^^^^^^ ^^^
193193
>b : (() => { c: { d?: { e: string; }; }; }) | undefined
194194
> : ^^^^^^^ ^^^^^^^^^^^^^
195-
>c : { d?: { e: string; } | undefined; }
196-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
195+
>c : { d?: { e: string; }; }
196+
> : ^^^^^^ ^^^
197197
>d : { e: string; } | undefined
198198
> : ^^^^^ ^^^^^^^^^^^^^^^
199199
>e : string
@@ -250,12 +250,12 @@ delete (o5.b?.().c.d?.e);
250250
> : ^^^^^^^^^^^^^^^^^^
251251

252252
declare const o6: { b?: { c: { d?: { e: string } } } };
253-
>o6 : { b?: { c: { d?: { e: string; }; }; } | undefined; }
254-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
253+
>o6 : { b?: { c: { d?: { e: string; }; }; }; }
254+
> : ^^^^^^ ^^^
255255
>b : { c: { d?: { e: string; }; }; } | undefined
256256
> : ^^^^^ ^^^^^^^^^^^^^^^
257-
>c : { d?: { e: string; } | undefined; }
258-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
257+
>c : { d?: { e: string; }; }
258+
> : ^^^^^^ ^^^
259259
>d : { e: string; } | undefined
260260
> : ^^^^^ ^^^^^^^^^^^^^^^
261261
>e : string

‎tests/baselines/reference/destructuringAssignmentWithDefault.types

+4-4
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,8 @@
22

33
=== destructuringAssignmentWithDefault.ts ===
44
const a: { x?: number } = { };
5-
>a : { x?: number | undefined; }
6-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
5+
>a : { x?: number; }
6+
> : ^^^^^^ ^^^
77
>x : number | undefined
88
> : ^^^^^^^^^^^^^^^^^^
99
>{ } : {}
@@ -34,8 +34,8 @@ let x = 0;
3434
function f1(options?: { color?: string, width?: number }) {
3535
>f1 : (options?: { color?: string; width?: number; }) => void
3636
> : ^^^^^^^^^^^ ^^^^^^^^^
37-
>options : { color?: string | undefined; width?: number | undefined; } | undefined
38-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
37+
>options : { color?: string; width?: number; } | undefined
38+
> : ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^
3939
>color : string | undefined
4040
> : ^^^^^^^^^^^^^^^^^^
4141
>width : number | undefined

‎tests/baselines/reference/destructuringAssignmentWithDefault2.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,8 @@
22

33
=== destructuringAssignmentWithDefault2.ts ===
44
const a: { x?: number; y?: number } = { };
5-
>a : { x?: number | undefined; y?: number | undefined; }
6-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
5+
>a : { x?: number; y?: number; }
6+
> : ^^^^^^ ^^^^^^ ^^^
77
>x : number | undefined
88
> : ^^^^^^^^^^^^^^^^^^
99
>y : number | undefined

‎tests/baselines/reference/destructuringControlFlow.types

+4-4
Original file line numberDiff line numberDiff line change
@@ -4,8 +4,8 @@
44
function f1(obj: { a?: string }) {
55
>f1 : (obj: { a?: string; }) => void
66
> : ^^^^^^ ^^^^^^^^^
7-
>obj : { a?: string | undefined; }
8-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
7+
>obj : { a?: string; }
8+
> : ^^^^^^ ^^^
99
>a : string | undefined
1010
> : ^^^^^^^^^^^^^^^^^^
1111

@@ -158,8 +158,8 @@ function f2(obj: [number, string] | null[]) {
158158
function f3(obj: { a?: number, b?: string }) {
159159
>f3 : (obj: { a?: number; b?: string; }) => void
160160
> : ^^^^^^ ^^^^^^^^^
161-
>obj : { a?: number | undefined; b?: string | undefined; }
162-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
161+
>obj : { a?: number; b?: string; }
162+
> : ^^^^^^ ^^^^^^ ^^^
163163
>a : number | undefined
164164
> : ^^^^^^^^^^^^^^^^^^
165165
>b : string | undefined

‎tests/baselines/reference/duplicateObjectLiteralProperty_computedNameNegative1.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,8 @@
66
function bar(props: { x?: string; y?: string }) {
77
>bar : (props: { x?: string; y?: string; }) => { [x: string]: number; }
88
> : ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
9-
>props : { x?: string | undefined; y?: string | undefined; }
10-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
9+
>props : { x?: string; y?: string; }
10+
> : ^^^^^^ ^^^^^^ ^^^
1111
>x : string | undefined
1212
> : ^^^^^^^^^^^^^^^^^^
1313
>y : string | undefined

‎tests/baselines/reference/elementAccessChain.types

+6-6
Original file line numberDiff line numberDiff line change
@@ -80,12 +80,12 @@ o3.b?.["c"];
8080
> : ^^^
8181

8282
declare const o4: { b?: { c: { d?: { e: string } } } };
83-
>o4 : { b?: { c: { d?: { e: string; }; }; } | undefined; }
84-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
83+
>o4 : { b?: { c: { d?: { e: string; }; }; }; }
84+
> : ^^^^^^ ^^^
8585
>b : { c: { d?: { e: string; }; }; } | undefined
8686
> : ^^^^^ ^^^^^^^^^^^^^^^
87-
>c : { d?: { e: string; } | undefined; }
88-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
87+
>c : { d?: { e: string; }; }
88+
> : ^^^^^^ ^^^
8989
>d : { e: string; } | undefined
9090
> : ^^^^^ ^^^^^^^^^^^^^^^
9191
>e : string
@@ -136,8 +136,8 @@ declare const o5: { b?(): { c: { d?: { e: string } } } };
136136
> : ^^^^^^^^ ^^^
137137
>b : (() => { c: { d?: { e: string; }; }; }) | undefined
138138
> : ^^^^^^^ ^^^^^^^^^^^^^
139-
>c : { d?: { e: string; } | undefined; }
140-
> : ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^
139+
>c : { d?: { e: string; }; }
140+
> : ^^^^^^ ^^^
141141
>d : { e: string; } | undefined
142142
> : ^^^^^ ^^^^^^^^^^^^^^^
143143
>e : string

‎tests/baselines/reference/homomorphicMappedTypeIntersectionAssignability.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -6,8 +6,8 @@ function f<TType>(
66
> : ^ ^^^^^ ^^^^^ ^^^^^ ^^^^^^^^^
77

88
a: { weak?: string } & Readonly<TType> & { name: "ok" },
9-
>a : { weak?: string | undefined; } & Readonly<TType> & { name: "ok"; }
10-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^
9+
>a : { weak?: string; } & Readonly<TType> & { name: "ok"; }
10+
> : ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^
1111
>weak : string | undefined
1212
> : ^^^^^^^^^^^^^^^^^^
1313
>name : "ok"

‎tests/baselines/reference/inKeywordTypeguard(strict=true).types

+2-2
Original file line numberDiff line numberDiff line change
@@ -1492,8 +1492,8 @@ function f12(x: { a: string }) {
14921492
function f13(x: { a?: string }) {
14931493
>f13 : (x: { a?: string; }) => void
14941494
> : ^^^^ ^^^^^^^^^
1495-
>x : { a?: string | undefined; }
1496-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^
1495+
>x : { a?: string; }
1496+
> : ^^^^^^ ^^^
14971497
>a : string | undefined
14981498
> : ^^^^^^^^^^^^^^^^^^
14991499

‎tests/baselines/reference/indexSignatures1.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -1328,8 +1328,8 @@ const directive = Symbol('directive');
13281328
declare function foo<TArg, TRet, TDir>(options: { [x in string]: (arg: TArg) => TRet } & { [directive]?: TDir }): void;
13291329
>foo : <TArg, TRet, TDir>(options: { [x in string]: (arg: TArg) => TRet; } & { [directive]?: TDir; }) => void
13301330
> : ^ ^^ ^^ ^^^^^^^^^^^ ^^^^^
1331-
>options : { [x: string]: (arg: TArg) => TRet; } & { [directive]?: TDir | undefined; }
1332-
> : ^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1331+
>options : { [x: string]: (arg: TArg) => TRet; } & { [directive]?: TDir; }
1332+
> : ^^^^^^^^^^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^
13331333
>arg : TArg
13341334
> : ^^^^
13351335
>[directive] : TDir | undefined

‎tests/baselines/reference/inferenceOptionalPropertiesToIndexSignatures.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -26,8 +26,8 @@ declare const x2: { a: string, b: number | undefined };
2626
> : ^^^^^^^^^^^^^^^^^^
2727

2828
declare const x3: { a: string, b?: number };
29-
>x3 : { a: string; b?: number | undefined; }
30-
> : ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
29+
>x3 : { a: string; b?: number; }
30+
> : ^^^^^ ^^^^^^ ^^^
3131
>a : string
3232
> : ^^^^^^
3333
>b : number | undefined

‎tests/baselines/reference/instantiateContextualTypes.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -324,8 +324,8 @@ interface ComponentClass<P = {}> {
324324
}
325325

326326
type CreateElementChildren<P> =
327-
>CreateElementChildren : P extends { children?: infer C | undefined; } ? C extends any[] ? C : C[] : unknown
328-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
327+
>CreateElementChildren : P extends { children?: infer C; } ? C extends any[] ? C : C[] : unknown
328+
> : ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
329329

330330
P extends { children?: infer C }
331331
>children : C | undefined

‎tests/baselines/reference/intersectionOfTypeVariableHasApparentSignatures.types

+2-2
Original file line numberDiff line numberDiff line change
@@ -3,8 +3,8 @@
33
=== intersectionOfTypeVariableHasApparentSignatures.ts ===
44
interface Component<P> {
55
props: Readonly<P> & Readonly<{ children?: {} }>;
6-
>props : Readonly<P> & Readonly<{ children?: {} | undefined; }>
7-
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
6+
>props : Readonly<P> & Readonly<{ children?: {}; }>
7+
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^
88
>children : {} | undefined
99
> : ^^^^^^^^^^^^^^
1010
}

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