gold-price/database.js at main · Nonthawat100iQ/gold-price · GitHub

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import mongoose from "mongoose"
mongoose.set("strictQuery", false)

class Database {
    constructor() {
        this._connect()
    }

    _connect() {
        mongoose
            .connect(process.env.MONGO_URI, {
                useNewUrlParser: true,
                useUnifiedTopology: true,
            })
            .then(() => {
                console.log("Database connection successful")
            })
            .catch((err) => {
                console.error("Database connection error")
                console.log(err)
            })
    }

    async start() {
        return new Promise((resolve, reject) => {
            mongoose.connection.on("connected", () => {
                resolve()
            })
            mongoose.connection.on("error", (err) => {
                reject(err)
            })
        })
    }
}

export default Database