cannot read properties of undefined mongoose next js
import mongoose from 'mongoose';
const connection = {};
async function connect() {
if (connection.isConnected) {
console.log('already connected');
}
if (mongoose.connections.length > 0) {
connection.isConnected = mongoose.connections[0].readyState;
console.log('cone', connection.isConnected);
if (connection.isConnected === 1) {
console.log('use previous connection');
return;
}
await mongoose.disconnect();
}
const dbConnect = mongoose.connect(process.env.MONGODB_URI, {
// useNewUrlParser: true,
useUnifiedTopology: true,
// useCreateIndex: true,
});
console.log('new connection');
connection.isConnected = dbConnect.connections[0].readyState;
}
async function disconnect() {
if (connection.isConnected) {
if (process.env.NODE_ENV === 'production') {
await mongoose.disconnect();
connection.isConnected = false;
} else {
console.log('not disconnected');
}
}
}
const db = { connect, disconnect };
export default db;
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