Completed Challenges

Implement a simpiled version of a Vue-like typing support.

By providing a function name `SimpleVu

Awaited

If we have a type which is a wrapped type like Promise, how can we get the type which is inside th

Concat

Implement the JavaScript Array.concat function in the type system. A type takes the two argument

Readonly

Implement the built-in Readonly<T> generic without using it.

Constructs a type with all proper

Tuple to Object

Given an array, transform it into an object type and the key/value must be in the provided array.

First of Array

Implement a generic First<T> that takes an Array T and returns its first element's type.

For

Default Generic Arguments

Default generic arguments allow you to optionally pass a generic argument.

Get Return Type

MEDIUM

Implement the built-in ReturnType<T> generic without using it.

For example


const fn = (v

Omit

MEDIUM

Implement the built-in Omit<T, K> generic without using it.

Constructs a type by picking all pr

Readonly 2

MEDIUM