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Advent of Code 2023 TypeScript Playground

This is a Typescript playground for the Advent of Code 2023.

The idea of this repository is to provide an easy to play environment and allow you to focus on solving the challenges of Advent of Code 2023. It includes:

  • A puzzle runner. Simply run the puzzle with the given input to get the answer.
  • Test cases for the puzzles

    I'll add them as I finish them. If you want to start a puzzle before I do read the "What can I do if there is no test for the puzzle I'm trying to solve?" section.

My solutions live in the branch solutions of this repository.

Requirements

Node.js v20 and PNPM v8.

Project Setup

  1. Clone the repository
  2. Run pnpm install to install dependencies

Solve a puzzle

Each Advent of Code 2023 puzzle has two parts. For example, imagine that you want to solve the puzzle of the day2.

There is a file src/day2/part1.ts with the following code:

// src/day2/part1.ts
export default (input: string): string => {
  throw new Error("Not implemented");
};

Run the test and see it fail:

pnpm test:part1 day2

Implement the solution for part 1, if it is good, you should pass the test.

Run the puzzle using the input provided by the web:

pnpm start --day 2 --part 1 # You can also just run `pnpm start' and it will prompt for day and part.

Once you solve the first part you can start with the second one. It is mostly the same.

Edit the file src/day2/part2.ts, it is probably worth starting by copying the code from the part 1:

Run the tests and see it fail for the part 2:

pnpm test day2

Implement the solution for part 2, if it is good, you should pass the tests.

Run the puzzle using the input provided by the web:

pnpm start --day 2 --part 2 # You can also just run `pnpm start' and it will prompt for day and part.

What can I do if there is no test for the puzzle I'm trying to solve?

If there's no test for the puzzle you're trying to solve, it's because you want to start a puzzle before I do, which is probably because I'm not a regular player.

  1. Create the day structure yourself by copying the example provided: 
    cp -R example src/dayX
  2. Rename the test file and replace the placeholders in the file with the inputs and expected outputs of that day's puzzle.
  3. Enjoy the puzzle.

Contributing

Pull requests are welcome. If you get to the next puzzle before me and prepare the tests I will be happy to merge your PR.

License

MIT