33 lines
684 B
JavaScript
33 lines
684 B
JavaScript
import { MongoClient } from "mongodb"
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const { MONGODB_URI, MONGODB_DB, MONGODB_COLLECTION } = process.env
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let cached = global.mongo
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if (!cached) {
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cached = global.mongo = { conn: null, promise: null }
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}
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export default async function connectToDatabase() {
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if (cached.conn) {
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return cached.conn
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}
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if (!cached.promise) {
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const opts = {
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useNewUrlParser: true,
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useUnifiedTopology: true,
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}
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cached.promise = await MongoClient.connect(MONGODB_URI, opts).then(client => {
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return {
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client,
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coll: client.db(MONGODB_DB).collection(MONGODB_COLLECTION),
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}
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})
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}
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cached.conn = await cached.promise
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return cached.conn
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}
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