Repository of Advent of TypeScript, types challenges, by Typehero.
Summary • Installation • Challenges • Related • License • Acknowledgments • Contact
This repository serves as a housing solutions to types challenges of Advent of TypeScript. AdventTS, a project developed by Typehero, offers a platform for developers to improve their type definitions skills, through a series of daily challenges spanning 25 days. The challenge begins on December 1st and culminates on December 25th.
- Clone the repository.
- Install the latest version of Node.js and globally install pnpm.
- Navigate to the directory where you cloned the repository with your favorite CLI.
- Run
pnpm installin your CLI to install all necessary packages. - Finally, run
pnpm testin your CLI to execute all challenges/tests.
Note: If you want to run a specific challenge/test, execute
pnpm run test:challenge<number>(challenge 11, 13, 16, and 24 are not testable).
| # | Challenge | Difficulty | Description |
|---|---|---|---|
| 01 | Introduction to the Advent of TypeScript platform | 🟢 | Show |
| 02 | Create a type which returns a literal number | 🟢 | Show |
| 03 | Change the data type of the parameter for only allow numbers | 🟢 | Show |
| 04 | Change the data type of the parameter for only allow numbers or strings | 🟢 | Show |
| 05 | Change the data type of the function to return the same data type which it receives (without specifying it) | 🟢 | Show |
| 06 | Change the data type of the function to return the same data type which it receives (without specifying it), but only allowing numbers or strings | 🟢 | Show |
| 07 | Infer the literal data type of a function parameter | 🟢 | Show |
| 08 | Extend global types of NodeJS environment variables | 🟢 | Show |
| 09 | Add types to the third party NPM package | 🟢 | Show |
| 10 | Create an enum which contains bitwise operators | 🟢 | Show |
| 11 | Create a data type for a new object using the "new" reserved name | 🟠 | Show |
| 12 | Format the names without recursion and checking if name length is even or odd (only with types) | 🔴 | Show |
| 13 | Apply the concepts of Covariant, Contravariant, and Invariant on types | 🟠 | Show |
| 14 | Get the possible return types of the function generators | 🟢 | Show |
| 15 | Get the fuel needed to travel between locations | 🔴 | Show |
| 16 | Create a currying function type declaration | 🟠 | Show |
| 17 | Infer the literal return type of a compose function | 🟠 | Show |
| 18 | Prevent infer of the second argument and only allowing the literal types of the first argument | 🟢 | Show |
| 19 | Extract variable declarations and function calls to an object | 🟠 | Show |
| 20 | Extract variable declarations and function arguments to an object | 🟠 | Show |
| 21 | Improve the challenge 20 to include unused variable declarations | 🟢 | Show |
| 22 | Decode a JSON to literal TypeScript types | 🔴 | Show |
| 23 | Create a type to apply operations (other types) to values | 🟠 | Show |
| 24 | Create a generic parser to parse anything | 🔴 | Show |
| 25 | The end of the journey | 🟢 | Show |
This repository is under MIT License, if you want to see what you are allowed to do with the content of this repository, please visit choosealicense for more information.
Thanks to Typehero team to develop Advent of TypeScript.
If you want to contact me, please see my socials medias in my GitHub profile.