Advent of Code

Solutions for Advent of Code

Past solutions by year

• 2015
• 2016
• 2017
• 2018
• 2019
• 2020
• 2021
• 2022
• 2023
• 2024
• 2025

Development instructions

JavaScript

• Install dependencies

npm ci

• Add boilerplate for new exercise

cp -r template-js <path to folder>
# Example
# cp -r template-js 2022/05

• Run tests

# Run all tests
npm test
# Run tests in a subfolder
npm test 2022/

• Run solution against puzzle input

node <path to index.js file>
# Eg
node 2021/02-dive/index.js

• Format code

npm run format