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dbConnect.js
47 lines (37 loc) · 907 Bytes
/
dbConnect.js
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import mongoose from 'mongoose'
const MONGODB_URI = process.env.MONGODB_URI
if (!MONGODB_URI) {
throw new Error(
'Please define the MONGODB_URI environment variable inside .env.local'
)
}
/**
* Global is used here to maintain a cached connection across hot reloads
* in development. This prevents connections growing exponentially
* during API Route usage.
*/
let cached = global.mongoose
if (!cached) {
cached = global.mongoose = { conn: null, promise: null }
}
async function dbConnect() {
if (cached.conn) {
return cached.conn
}
if (!cached.promise) {
const opts = {
bufferCommands: false,
}
cached.promise = mongoose.connect(MONGODB_URI, opts).then((mongoose) => {
return mongoose
})
}
try {
cached.conn = await cached.promise
} catch (e) {
cached.promise = null
throw e
}
return cached.conn
}
export default dbConnect