[Question] Are there an existing Mongodb watcher?

[chunfat-setsail]

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What's your scenario? What do you want to achieve?
I am developing a stateless application using Nodejs that would probably scale up to multiple instances.

For the policy sync across instances, I found that using a watcher is necessary. After go thru the docs, I found that there is no mongodb-watcher officially supported.

As I know that MongoDB supports "Change Streams", it might be useful to create a mongodb-watcher. FYR.

Just wonder is there an existing MongoDB watcher? if not I might try to implement one. Any suggestions on that?

[hsluoyz]

Moved to: node-casbin/mongodb-watcher#1