I have written a rudimentary implementation to avoid external dependencies. If you don't mind, a quick google comes up with a couple: https://github.com/vultix

I have written a rudimentary implementation to avoid external dependencies. If you don't mind, a quick google comes up with a couple: https://github.com/vultix/ts-results https://github.com/vultix/ts-results https://github.com/badrap/result https://github.com/badrap/result