https://github.com/ulid/spec isn't timeflake, but is a good spec, and there are implementations in multiple languages. there are 2 listed for js.

https://github.com/aarondcohen/id128 and https://github.com/ulid/javascript

@thi.ng/ksuid https://github.com/thi-ng/umbrella/tree/develop/packages/ksu...