anztrax

type MyReadonly2<T, K extends keyof T = keyof T> = {
  readonly [P in K] :T[P]
} & {
  [P in keyof T as P extends K ? never : P] : T[P]
}

anztrax

/* _____________ Your Code Here _____________ */

type If<C extends boolean, T, F> = C extends true ? T: F

/* _____________ Test Cases _____________ */
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<If<true, 'a', 'b'>, 'a'>>,
  Expect<Equal<If<false, 'a', 2>, 2>>,

anztrax

type MyAwaited<T> =  T extends PromiseLike<infer A> ? MyAwaited<A> : T;

/* _____________ Test Cases _____________ */
import type { Equal, Expect } from '@type-challenges/utils'

type X = Promise<string>
type Y = Promise<{ field: number }>
type Z = Promise<Promise<string | number>>
type Z1 = Promise<Promise<Promise<string | boolean>>>
type T = { then: (onfulfilled: (arg: number) => any) => any }

anztrax

type MyExclude<T, U> = T extends U ? never: T;

anztrax

type Length<T extends readonly unknown[]> = T['length']

anztrax

type First<T extends any[]> = T extends [infer P, ...unknown[]] ? P : never;

anztrax

// this version using any
type TupleToObject<T extends readonly (keyof any)[]> = {
  [A in T[number]]: A
}

anztrax

type MyReadonly<T> = {
  readonly [A in keyof T]: T[A]
}

anztrax

type MyPick<T, K extends keyof T> = {
  [key in K]: T[key]
}

anztrax

docker exec -it open-webui rm /app/backend/data/webui.db