<https://thewebdev.info/2022/09/11/how-to-check-node-mongoose-connection-state-without-creating-a-new-connection/>
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"How to check Node Mongoose connection state without creating a new connection? - The Web Dev"
<https://thewebdev.info/2022/09/11/how-to-check-node-mongoose-connection-state-without-creating-a-new-connection/>