I give my time here because I get so much more in return.
Useful things I've written that might help you:
ts-iterable-functions: A TypeScript library for working with iterable sequences.
ts-functional-pipe: A small but useful TypeScript library for the composition of functions.
ts-bin-heap: A typescript binary-heap implementation. Very handy for priority queues, which in-turn are very useful for search algorithms such as A*.
Things I've written for other people:
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