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=== tests/cases/conformance/types/mapped/recursiveMappedTypes.ts ===
// Recursive mapped types simply appear empty
type Recurse = {
>Recurse : Symbol(Recurse, Decl(recursiveMappedTypes.ts, 0, 0))
[K in keyof Recurse]: Recurse[K]
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 3, 5))
>Recurse : Symbol(Recurse, Decl(recursiveMappedTypes.ts, 0, 0))
>Recurse : Symbol(Recurse, Decl(recursiveMappedTypes.ts, 0, 0))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 3, 5))
}
type Recurse1 = {
>Recurse1 : Symbol(Recurse1, Decl(recursiveMappedTypes.ts, 4, 1))
[K in keyof Recurse2]: Recurse2[K]
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 7, 5))
>Recurse2 : Symbol(Recurse2, Decl(recursiveMappedTypes.ts, 8, 1))
>Recurse2 : Symbol(Recurse2, Decl(recursiveMappedTypes.ts, 8, 1))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 7, 5))
}
type Recurse2 = {
>Recurse2 : Symbol(Recurse2, Decl(recursiveMappedTypes.ts, 8, 1))
[K in keyof Recurse1]: Recurse1[K]
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 11, 5))
>Recurse1 : Symbol(Recurse1, Decl(recursiveMappedTypes.ts, 4, 1))
>Recurse1 : Symbol(Recurse1, Decl(recursiveMappedTypes.ts, 4, 1))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 11, 5))
}
// Repro from #27881
export type Circular<T> = {[P in keyof T]: Circular<T>};
>Circular : Symbol(Circular, Decl(recursiveMappedTypes.ts, 12, 1))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 16, 21))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 16, 28))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 16, 21))
>Circular : Symbol(Circular, Decl(recursiveMappedTypes.ts, 12, 1))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 16, 21))
type tup = [number, number, number, number];
>tup : Symbol(tup, Decl(recursiveMappedTypes.ts, 16, 56))
function foo(arg: Circular<tup>): tup {
>foo : Symbol(foo, Decl(recursiveMappedTypes.ts, 17, 44))
>arg : Symbol(arg, Decl(recursiveMappedTypes.ts, 19, 13))
>Circular : Symbol(Circular, Decl(recursiveMappedTypes.ts, 12, 1))
>tup : Symbol(tup, Decl(recursiveMappedTypes.ts, 16, 56))
>tup : Symbol(tup, Decl(recursiveMappedTypes.ts, 16, 56))
return arg;
>arg : Symbol(arg, Decl(recursiveMappedTypes.ts, 19, 13))
}
// Repro from #29442
type DeepMap<T extends unknown[], R> = {
>DeepMap : Symbol(DeepMap, Decl(recursiveMappedTypes.ts, 21, 1))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 25, 13))
>R : Symbol(R, Decl(recursiveMappedTypes.ts, 25, 33))
[K in keyof T]: T[K] extends unknown[] ? DeepMap<T[K], R> : R;
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 26, 3))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 25, 13))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 25, 13))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 26, 3))
>DeepMap : Symbol(DeepMap, Decl(recursiveMappedTypes.ts, 21, 1))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 25, 13))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 26, 3))
>R : Symbol(R, Decl(recursiveMappedTypes.ts, 25, 33))
>R : Symbol(R, Decl(recursiveMappedTypes.ts, 25, 33))
};
type tpl = [string, [string, [string]]];
>tpl : Symbol(tpl, Decl(recursiveMappedTypes.ts, 27, 2))
type arr = string[][];
>arr : Symbol(arr, Decl(recursiveMappedTypes.ts, 29, 40))
type t1 = DeepMap<tpl, number>; // [number, [number, [number]]]
>t1 : Symbol(t1, Decl(recursiveMappedTypes.ts, 30, 22))
>DeepMap : Symbol(DeepMap, Decl(recursiveMappedTypes.ts, 21, 1))
>tpl : Symbol(tpl, Decl(recursiveMappedTypes.ts, 27, 2))
type t2 = DeepMap<arr, number>; // number[][]
>t2 : Symbol(t2, Decl(recursiveMappedTypes.ts, 32, 31))
>DeepMap : Symbol(DeepMap, Decl(recursiveMappedTypes.ts, 21, 1))
>arr : Symbol(arr, Decl(recursiveMappedTypes.ts, 29, 40))
// Repro from #29577
type Transform<T> = { [K in keyof T]: Transform<T[K]> };
>Transform : Symbol(Transform, Decl(recursiveMappedTypes.ts, 33, 31))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 37, 15))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 37, 23))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 37, 15))
>Transform : Symbol(Transform, Decl(recursiveMappedTypes.ts, 33, 31))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 37, 15))
>K : Symbol(K, Decl(recursiveMappedTypes.ts, 37, 23))
interface User {
>User : Symbol(User, Decl(recursiveMappedTypes.ts, 37, 56))
avatar: string;
>avatar : Symbol(User.avatar, Decl(recursiveMappedTypes.ts, 39, 16))
}
interface Guest {
>Guest : Symbol(Guest, Decl(recursiveMappedTypes.ts, 41, 1))
displayName: string;
>displayName : Symbol(Guest.displayName, Decl(recursiveMappedTypes.ts, 43, 17))
}
interface Product {
>Product : Symbol(Product, Decl(recursiveMappedTypes.ts, 45, 1))
users: (User | Guest)[];
>users : Symbol(Product.users, Decl(recursiveMappedTypes.ts, 47, 19))
>User : Symbol(User, Decl(recursiveMappedTypes.ts, 37, 56))
>Guest : Symbol(Guest, Decl(recursiveMappedTypes.ts, 41, 1))
}
declare var product: Transform<Product>;
>product : Symbol(product, Decl(recursiveMappedTypes.ts, 51, 11))
>Transform : Symbol(Transform, Decl(recursiveMappedTypes.ts, 33, 31))
>Product : Symbol(Product, Decl(recursiveMappedTypes.ts, 45, 1))
product.users; // (Transform<User> | Transform<Guest>)[]
>product.users : Symbol(users, Decl(recursiveMappedTypes.ts, 47, 19))
>product : Symbol(product, Decl(recursiveMappedTypes.ts, 51, 11))
>users : Symbol(users, Decl(recursiveMappedTypes.ts, 47, 19))
// Repro from #29702
type Remap1<T> = { [P in keyof T]: Remap1<T[P]>; };
>Remap1 : Symbol(Remap1, Decl(recursiveMappedTypes.ts, 52, 14))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 56, 12))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 56, 20))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 56, 12))
>Remap1 : Symbol(Remap1, Decl(recursiveMappedTypes.ts, 52, 14))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 56, 12))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 56, 20))
type Remap2<T> = T extends object ? { [P in keyof T]: Remap2<T[P]>; } : T;
>Remap2 : Symbol(Remap2, Decl(recursiveMappedTypes.ts, 56, 51))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 57, 12))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 57, 12))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 57, 39))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 57, 12))
>Remap2 : Symbol(Remap2, Decl(recursiveMappedTypes.ts, 56, 51))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 57, 12))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 57, 39))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 57, 12))
type a = Remap1<string[]>; // string[]
>a : Symbol(a, Decl(recursiveMappedTypes.ts, 57, 74))
>Remap1 : Symbol(Remap1, Decl(recursiveMappedTypes.ts, 52, 14))
type b = Remap2<string[]>; // string[]
>b : Symbol(b, Decl(recursiveMappedTypes.ts, 59, 26))
>Remap2 : Symbol(Remap2, Decl(recursiveMappedTypes.ts, 56, 51))
// Repro from #29992
type NonOptionalKeys<T> = { [P in keyof T]: undefined extends T[P] ? never : P }[keyof T];
>NonOptionalKeys : Symbol(NonOptionalKeys, Decl(recursiveMappedTypes.ts, 60, 26))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 64, 21))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 64, 29))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 64, 21))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 64, 21))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 64, 29))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 64, 29))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 64, 21))
type Child<T> = { [P in NonOptionalKeys<T>]: T[P] }
>Child : Symbol(Child, Decl(recursiveMappedTypes.ts, 64, 90))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 65, 11))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 65, 19))
>NonOptionalKeys : Symbol(NonOptionalKeys, Decl(recursiveMappedTypes.ts, 60, 26))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 65, 11))
>T : Symbol(T, Decl(recursiveMappedTypes.ts, 65, 11))
>P : Symbol(P, Decl(recursiveMappedTypes.ts, 65, 19))
export interface ListWidget {
>ListWidget : Symbol(ListWidget, Decl(recursiveMappedTypes.ts, 65, 51))
"type": "list",
>"type" : Symbol(ListWidget["type"], Decl(recursiveMappedTypes.ts, 67, 29))
"minimum_count": number,
>"minimum_count" : Symbol(ListWidget["minimum_count"], Decl(recursiveMappedTypes.ts, 68, 19))
"maximum_count": number,
>"maximum_count" : Symbol(ListWidget["maximum_count"], Decl(recursiveMappedTypes.ts, 69, 28))
"collapsable"?: boolean, //default to false, means all expanded
>"collapsable" : Symbol(ListWidget["collapsable"], Decl(recursiveMappedTypes.ts, 70, 28))
"each": Child<ListWidget>;
>"each" : Symbol(ListWidget["each"], Decl(recursiveMappedTypes.ts, 71, 28))
>Child : Symbol(Child, Decl(recursiveMappedTypes.ts, 64, 90))
>ListWidget : Symbol(ListWidget, Decl(recursiveMappedTypes.ts, 65, 51))
}
type ListChild = Child<ListWidget>
>ListChild : Symbol(ListChild, Decl(recursiveMappedTypes.ts, 73, 1))
>Child : Symbol(Child, Decl(recursiveMappedTypes.ts, 64, 90))
>ListWidget : Symbol(ListWidget, Decl(recursiveMappedTypes.ts, 65, 51))
declare let x: ListChild;
>x : Symbol(x, Decl(recursiveMappedTypes.ts, 77, 11))
>ListChild : Symbol(ListChild, Decl(recursiveMappedTypes.ts, 73, 1))
x.type;
>x : Symbol(x, Decl(recursiveMappedTypes.ts, 77, 11))
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