Advent of Code 2021 solutions, by Richard Fu. Credit to and inspired by shahata's solution.
To run TypeScripts in terminal, easiest way is using ts-node:
> npm i -g ts-node
The repo uses @types/node type definitions for node:
> npm i
> ts-node <filename>.ts
Otherwise, you can also skip npm i by ignoring the type errors:
> ts-node --logError <filename>.ts
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