Mongoose - Why we make “mongoose.Promise = global.Promise” when setting a mongoose module?

Question

I\'m working with Mongoose. I have seen a lot of developers make the following command:

mongoose.Promise = global.Promise;

Then I was curi

Answer 1

First, mongoose uses Promise for Async applications. In new versions it can be:

mongoose.connect("URL").then("what you need to happen after the connection is done").catch("when the error happened")

Therefore, I used promise and global to use mongoose anywhere as Async when writing mongoose.