Advent of Code 2025

My JavaScript (with TypeScript) solutions to the Advent of Code 2025

Based off LBognanni's Advent of code Typescript Starter

How to use

For each day, where x is the day number (1-25):

• ▶ run npm run setup x from your terminal
• 🌐 Visit https://adventofcode.com/2025/day/x/input and copy the contents in your inputs/dayx/input.txt file
• 🔴 Update the example input and result in the test case in your .spec.ts file
• 🟢 Implement the necessary logic in solveForPart1
• 💪 TDD all the things!
• 🔁 Do the same for part 2
• ⌨ npm test to run your tests
• ⭐ npm run start x to run the day's test
• 🎉 Profit!