Hybaser

 const contentDisposition = 'attachment; filename=\"' + process.env.AWS_BUCKET_BASE_FOLDER + '\\' + req.params.key + '\"';
        let params = {
            Bucket: process.env.AWS_BUCKET,
            Key: process.env.AWS_BUCKET_BASE_FOLDER + '/' + req.params.key,
            ResponseContentDisposition: contentDisposition,
            Expires: 10
        };

        s3Client.config.region = process.env.AWS_REGION;

Hybaser

let params = {
            Bucket: process.env.AWS_BUCKET,
            Key: process.env.AWS_BUCKET_BASE_FOLDER + '/' + req.body.params.fileName,
            MultipartUpload: { Parts: req.body.params.parts },
            UploadId: req.body.params.uploadId
        };


        return new Promise(
            (resolve, reject) => s3Client.completeMultipartUpload(params, async (err, data) => {

Hybaser

const s3Client = s3.s3Client;
        let params = {
            Bucket: process.env.AWS_BUCKET,
            Key: process.env.AWS_BUCKET_BASE_FOLDER + '/' + req.query.fileName,
            PartNumber: req.query.partNumber,
            UploadId: req.query.uploadId,
            Expires: 10000
        };

        return new Promise(

Hybaser

router.get('/start', async (req, res) => {
    
    const s3Client = s3.s3Client;
    let params = {
        Bucket: process.env.AWS_BUCKET, 
        Key: process.env.AWS_BUCKET_BASE_FOLDER + '/' + req.query.fileName,
        ContentType: req.query.fileType
    };

    return new Promise(

Hybaser

router.get('/start', async (req, res) => {

    try {
        const s3Client = s3.s3Client;
        let params = {
            Bucket: process.env.AWS_BUCKET, 
            Key: process.env.AWS_BUCKET_BASE_FOLDER + '/' + req.query.fileName,
            ContentType: req.query.fileType
        };

Hybaser

var singleton2 = require('./Singleton');

function prnt() {

    return singleton2.printTime();
}

module.exports = { prnt };

Hybaser

const ins1 = require('./instance');
const ins2 = require('./instance2');

console.log('ins1: ',ins1.prnt());
setTimeout(() => console.log('ins2: ',ins2.prnt2()), 2000);

Hybaser

var singleton2 = require('./singleton');

function prnt2() {

    return singleton2.printTime();
}

module.exports = { prnt2 };

Hybaser

var singleton1 = require('./singleton');

function prnt() {

    return singleton1.printTime();
}

module.exports = { prnt };

Hybaser

class Singleton {
    constructor() {
        this.date = new Date().getTime();
    }

    printTime(){
        return this.date;
    }
}