There are 2 repositories under rxjs-operator topic.
Learn RxJS 中文版 (通过清晰的示例来学习 RxJS 5 操作符)
⌛ RxJS loading handler pipeable operator
An operator for deferred teardown of shared resources
SubscribeTap is a RxJS' operator that will execute defined function for you when the source gets subscribed.
Understanding RxJS Free YouTube Series by Academind
Learn the RxJs library via Practical Examples & Understand in detail the core notions of Reactive Programming.
An RxJS operator designed to limit source calls and guarantee a swift initial response.
Example of writing a custom RXJS operator to do side effects on subscribe and unsubscribe