Custom RxJS Operators by Example

A guide for building custom RxJS (v6) pipeable operators https://angularfirebase.com/lessons/custom-rxjs-operators-by-example/

• Nicholas Jamieson https://medium.com/@cartant

• RxJS Pipeable Ops https://github.com/ReactiveX/rxjs/blob/master/doc/pipeable-operators.md

• PRO Members Firestore JOINS: https://angularfirebase.com/lessons/firestore-joins-similar-to-sql/ ... https://www.youtube.com/watch?v=JWjXBWINlzU