38 lines
700 B
TypeScript
38 lines
700 B
TypeScript
import mongoose from 'mongoose';
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const MONGODB_URI = process.env.MONGODB_URI!;
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if (!MONGODB_URI) {
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throw new Error('Please define the MONGODB_URI environment variable');
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}
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let cached = global.mongoose;
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if (!cached) {
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cached = global.mongoose = { conn: null, promise: null };
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}
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export async function connectDB() {
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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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bufferCommands: false,
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};
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cached.promise = mongoose.connect(MONGODB_URI, opts).then((mongoose) => {
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return mongoose;
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});
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}
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try {
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cached.conn = await cached.promise;
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} catch (e) {
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cached.promise = null;
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throw e;
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}
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return cached.conn;
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}
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