mongoose connect to server async await code example

Example 1: async await mongoose connection

(async () => {
  try {
    await mongoose.connect(dbURI, dbOptions)
  } catch (err) {
    console.log('error: ' + err)
  }
})()

Example 2: TypeError: mongoose__WEBPACK_IMPORTED_MODULE_2___default.a.connect is not a function at _callee$ (db.js:11) at tryCatch (runtime.js:45)

try {
  mongoose.connect(MONGODB_URI || 'mongodb://localhost/YOUR_DB_NAME', {
      useNewUrlParser: true,
      useUnifiedTopology: true
    }, () =>
    console.log("connected"));
} catch (error) {
  console.log("could not connect");
}