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=== tests/cases/conformance/types/mapped/mappedTypeAsClauses.ts ===
// Mapped type 'as N' clauses
type Getters<T> = { [P in keyof T & string as `get${Capitalize<P>}`]: () => T[P] };
>Getters : Symbol(Getters, Decl(mappedTypeAsClauses.ts, 0, 0))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 2, 13))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 2, 21))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 2, 13))
>Capitalize : Symbol(Capitalize, Decl(lib.es5.d.ts, --, --))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 2, 21))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 2, 13))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 2, 21))
type TG1 = Getters<{ foo: string, bar: number, baz: { z: boolean } }>;
>TG1 : Symbol(TG1, Decl(mappedTypeAsClauses.ts, 2, 83))
>Getters : Symbol(Getters, Decl(mappedTypeAsClauses.ts, 0, 0))
>foo : Symbol(foo, Decl(mappedTypeAsClauses.ts, 3, 20))
>bar : Symbol(bar, Decl(mappedTypeAsClauses.ts, 3, 33))
>baz : Symbol(baz, Decl(mappedTypeAsClauses.ts, 3, 46))
>z : Symbol(z, Decl(mappedTypeAsClauses.ts, 3, 53))
// Mapped type with 'as N' clause has no constraint on 'in T' clause
type PropDef<K extends keyof any, T> = { name: K, type: T };
>PropDef : Symbol(PropDef, Decl(mappedTypeAsClauses.ts, 3, 70))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 7, 13))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 7, 33))
>name : Symbol(name, Decl(mappedTypeAsClauses.ts, 7, 40))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 7, 13))
>type : Symbol(type, Decl(mappedTypeAsClauses.ts, 7, 49))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 7, 33))
type TypeFromDefs<T extends PropDef<keyof any, any>> = { [P in T as P['name']]: P['type'] };
>TypeFromDefs : Symbol(TypeFromDefs, Decl(mappedTypeAsClauses.ts, 7, 60))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 9, 18))
>PropDef : Symbol(PropDef, Decl(mappedTypeAsClauses.ts, 3, 70))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 9, 58))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 9, 18))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 9, 58))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 9, 58))
type TP1 = TypeFromDefs<{ name: 'a', type: string } | { name: 'b', type: number } | { name: 'a', type: boolean }>;
>TP1 : Symbol(TP1, Decl(mappedTypeAsClauses.ts, 9, 92))
>TypeFromDefs : Symbol(TypeFromDefs, Decl(mappedTypeAsClauses.ts, 7, 60))
>name : Symbol(name, Decl(mappedTypeAsClauses.ts, 11, 25))
>type : Symbol(type, Decl(mappedTypeAsClauses.ts, 11, 36))
>name : Symbol(name, Decl(mappedTypeAsClauses.ts, 11, 55))
>type : Symbol(type, Decl(mappedTypeAsClauses.ts, 11, 66))
>name : Symbol(name, Decl(mappedTypeAsClauses.ts, 11, 85))
>type : Symbol(type, Decl(mappedTypeAsClauses.ts, 11, 96))
// No array or tuple type mapping when 'as N' clause present
type TA1 = Getters<string[]>;
>TA1 : Symbol(TA1, Decl(mappedTypeAsClauses.ts, 11, 114))
>Getters : Symbol(Getters, Decl(mappedTypeAsClauses.ts, 0, 0))
type TA2 = Getters<[number, boolean]>;
>TA2 : Symbol(TA2, Decl(mappedTypeAsClauses.ts, 15, 29))
>Getters : Symbol(Getters, Decl(mappedTypeAsClauses.ts, 0, 0))
// Filtering using 'as N' clause
type Methods<T> = { [P in keyof T as T[P] extends Function ? P : never]: T[P] };
>Methods : Symbol(Methods, Decl(mappedTypeAsClauses.ts, 16, 38))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 20, 13))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 20, 21))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 20, 13))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 20, 13))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 20, 21))
>Function : Symbol(Function, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 20, 21))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 20, 13))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 20, 21))
type TM1 = Methods<{ foo(): number, bar(x: string): boolean, baz: string | number }>;
>TM1 : Symbol(TM1, Decl(mappedTypeAsClauses.ts, 20, 80))
>Methods : Symbol(Methods, Decl(mappedTypeAsClauses.ts, 16, 38))
>foo : Symbol(foo, Decl(mappedTypeAsClauses.ts, 21, 20))
>bar : Symbol(bar, Decl(mappedTypeAsClauses.ts, 21, 35))
>x : Symbol(x, Decl(mappedTypeAsClauses.ts, 21, 40))
>baz : Symbol(baz, Decl(mappedTypeAsClauses.ts, 21, 60))
// Mapping to multiple names using 'as N' clause
type DoubleProp<T> = { [P in keyof T & string as `${P}1` | `${P}2`]: T[P] }
>DoubleProp : Symbol(DoubleProp, Decl(mappedTypeAsClauses.ts, 21, 85))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 25, 16))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 25, 24))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 25, 16))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 25, 24))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 25, 24))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 25, 16))
>P : Symbol(P, Decl(mappedTypeAsClauses.ts, 25, 24))
type TD1 = DoubleProp<{ a: string, b: number }>; // { a1: string, a2: string, b1: number, b2: number }
>TD1 : Symbol(TD1, Decl(mappedTypeAsClauses.ts, 25, 75))
>DoubleProp : Symbol(DoubleProp, Decl(mappedTypeAsClauses.ts, 21, 85))
>a : Symbol(a, Decl(mappedTypeAsClauses.ts, 26, 23))
>b : Symbol(b, Decl(mappedTypeAsClauses.ts, 26, 34))
type TD2 = keyof TD1; // 'a1' | 'a2' | 'b1' | 'b2'
>TD2 : Symbol(TD2, Decl(mappedTypeAsClauses.ts, 26, 48))
>TD1 : Symbol(TD1, Decl(mappedTypeAsClauses.ts, 25, 75))
type TD3<U> = keyof DoubleProp<U>; // `${keyof U & string}1` | `${keyof U & string}2`
>TD3 : Symbol(TD3, Decl(mappedTypeAsClauses.ts, 27, 21))
>U : Symbol(U, Decl(mappedTypeAsClauses.ts, 28, 9))
>DoubleProp : Symbol(DoubleProp, Decl(mappedTypeAsClauses.ts, 21, 85))
>U : Symbol(U, Decl(mappedTypeAsClauses.ts, 28, 9))
// Repro from #40619
type Lazyify<T> = {
>Lazyify : Symbol(Lazyify, Decl(mappedTypeAsClauses.ts, 28, 34))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 32, 13))
[K in keyof T as `get${Capitalize<K & string>}`]: () => T[K]
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 33, 5))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 32, 13))
>Capitalize : Symbol(Capitalize, Decl(lib.es5.d.ts, --, --))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 33, 5))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 32, 13))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 33, 5))
};
interface Person {
>Person : Symbol(Person, Decl(mappedTypeAsClauses.ts, 34, 2))
readonly name: string;
>name : Symbol(Person.name, Decl(mappedTypeAsClauses.ts, 36, 18))
age: number;
>age : Symbol(Person.age, Decl(mappedTypeAsClauses.ts, 37, 26))
location?: string;
>location : Symbol(Person.location, Decl(mappedTypeAsClauses.ts, 38, 16))
}
type LazyPerson = Lazyify<Person>;
>LazyPerson : Symbol(LazyPerson, Decl(mappedTypeAsClauses.ts, 40, 1))
>Lazyify : Symbol(Lazyify, Decl(mappedTypeAsClauses.ts, 28, 34))
>Person : Symbol(Person, Decl(mappedTypeAsClauses.ts, 34, 2))
// Repro from #40833
type Example = {foo: string, bar: number};
>Example : Symbol(Example, Decl(mappedTypeAsClauses.ts, 42, 34))
>foo : Symbol(foo, Decl(mappedTypeAsClauses.ts, 46, 16))
>bar : Symbol(bar, Decl(mappedTypeAsClauses.ts, 46, 28))
type PickByValueType<T, U> = {
>PickByValueType : Symbol(PickByValueType, Decl(mappedTypeAsClauses.ts, 46, 42))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 48, 21))
>U : Symbol(U, Decl(mappedTypeAsClauses.ts, 48, 23))
[K in keyof T as T[K] extends U ? K : never]: T[K]
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 49, 3))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 48, 21))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 48, 21))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 49, 3))
>U : Symbol(U, Decl(mappedTypeAsClauses.ts, 48, 23))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 49, 3))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 48, 21))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 49, 3))
};
type T1 = PickByValueType<Example, string>;
>T1 : Symbol(T1, Decl(mappedTypeAsClauses.ts, 50, 2))
>PickByValueType : Symbol(PickByValueType, Decl(mappedTypeAsClauses.ts, 46, 42))
>Example : Symbol(Example, Decl(mappedTypeAsClauses.ts, 42, 34))
const e1: T1 = {
>e1 : Symbol(e1, Decl(mappedTypeAsClauses.ts, 53, 5))
>T1 : Symbol(T1, Decl(mappedTypeAsClauses.ts, 50, 2))
foo: "hello"
>foo : Symbol(foo, Decl(mappedTypeAsClauses.ts, 53, 16))
};
type T2 = keyof T1;
>T2 : Symbol(T2, Decl(mappedTypeAsClauses.ts, 55, 2))
>T1 : Symbol(T1, Decl(mappedTypeAsClauses.ts, 50, 2))
const e2: T2 = "foo";
>e2 : Symbol(e2, Decl(mappedTypeAsClauses.ts, 57, 5))
>T2 : Symbol(T2, Decl(mappedTypeAsClauses.ts, 55, 2))
// Repro from #41133
interface Car {
>Car : Symbol(Car, Decl(mappedTypeAsClauses.ts, 57, 21))
name: string;
>name : Symbol(Car.name, Decl(mappedTypeAsClauses.ts, 61, 15))
seats: number;
>seats : Symbol(Car.seats, Decl(mappedTypeAsClauses.ts, 62, 17))
engine: Engine;
>engine : Symbol(Car.engine, Decl(mappedTypeAsClauses.ts, 63, 18))
>Engine : Symbol(Engine, Decl(mappedTypeAsClauses.ts, 66, 1))
wheels: Wheel[];
>wheels : Symbol(Car.wheels, Decl(mappedTypeAsClauses.ts, 64, 19))
>Wheel : Symbol(Wheel, Decl(mappedTypeAsClauses.ts, 71, 1))
}
interface Engine {
>Engine : Symbol(Engine, Decl(mappedTypeAsClauses.ts, 66, 1))
manufacturer: string;
>manufacturer : Symbol(Engine.manufacturer, Decl(mappedTypeAsClauses.ts, 68, 18))
horsepower: number;
>horsepower : Symbol(Engine.horsepower, Decl(mappedTypeAsClauses.ts, 69, 25))
}
interface Wheel {
>Wheel : Symbol(Wheel, Decl(mappedTypeAsClauses.ts, 71, 1))
type: "summer" | "winter";
>type : Symbol(Wheel.type, Decl(mappedTypeAsClauses.ts, 73, 17))
radius: number;
>radius : Symbol(Wheel.radius, Decl(mappedTypeAsClauses.ts, 74, 30))
}
type Primitive = string | number | boolean;
>Primitive : Symbol(Primitive, Decl(mappedTypeAsClauses.ts, 76, 1))
type OnlyPrimitives<T> = { [K in keyof T as T[K] extends Primitive ? K : never]: T[K] };
>OnlyPrimitives : Symbol(OnlyPrimitives, Decl(mappedTypeAsClauses.ts, 78, 43))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 79, 20))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 79, 28))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 79, 20))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 79, 20))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 79, 28))
>Primitive : Symbol(Primitive, Decl(mappedTypeAsClauses.ts, 76, 1))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 79, 28))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 79, 20))
>K : Symbol(K, Decl(mappedTypeAsClauses.ts, 79, 28))
let primitiveCar: OnlyPrimitives<Car>; // { name: string; seats: number; }
>primitiveCar : Symbol(primitiveCar, Decl(mappedTypeAsClauses.ts, 81, 3))
>OnlyPrimitives : Symbol(OnlyPrimitives, Decl(mappedTypeAsClauses.ts, 78, 43))
>Car : Symbol(Car, Decl(mappedTypeAsClauses.ts, 57, 21))
let keys: keyof OnlyPrimitives<Car>; // "name" | "seats"
>keys : Symbol(keys, Decl(mappedTypeAsClauses.ts, 82, 3))
>OnlyPrimitives : Symbol(OnlyPrimitives, Decl(mappedTypeAsClauses.ts, 78, 43))
>Car : Symbol(Car, Decl(mappedTypeAsClauses.ts, 57, 21))
type KeysOfPrimitives<T> = keyof OnlyPrimitives<T>;
>KeysOfPrimitives : Symbol(KeysOfPrimitives, Decl(mappedTypeAsClauses.ts, 82, 36))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 84, 22))
>OnlyPrimitives : Symbol(OnlyPrimitives, Decl(mappedTypeAsClauses.ts, 78, 43))
>T : Symbol(T, Decl(mappedTypeAsClauses.ts, 84, 22))
let carKeys: KeysOfPrimitives<Car>; // "name" | "seats"
>carKeys : Symbol(carKeys, Decl(mappedTypeAsClauses.ts, 86, 3))
>KeysOfPrimitives : Symbol(KeysOfPrimitives, Decl(mappedTypeAsClauses.ts, 82, 36))
>Car : Symbol(Car, Decl(mappedTypeAsClauses.ts, 57, 21))
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