Capitalize

Implement Capitalize<T> which converts the first letter of a string to uppercase and leave the rest as-is. 🎯

In this medium-level challenge, you'll implement capitalize<t> which converts the first letter of a string to uppercase and leave the rest as-is.. Master advanced TypeScript type manipulation in this medium-level challenge on TypeScriptPro.

This challenge will teach you essential skills for advanced TypeScript development and type-level programming.

For this challenge, you will need to change the following code to make the tests pass (no type check errors).

type capitalized = Capitalize<'hello world'> // expected to be 'Hello world'

Detailed Explanation

This challenge requires understanding of TypeScript's type system.

The solution involves carefully constructing types that satisfy all test cases while handling edge cases properly.

This challenge helps you understand TypeScript's advanced type system and how to apply this concept in real-world scenarios.