Express Stream

server

res.write(serialize(data))
res.end()

res.setHeader('content-type', 'application/x-msgpack')
    for (const facility of facilities) {
      res.write(new Uint8Array(Buffer.from(JSON.stringify(facility))))
    }
    return res.end()

    const inStream = new Readable({
      read() {
        const iterated = facilityMaker.next()
        if (!iterated.done) this.push(new Uint8Array(Buffer.from(JSON.stringify(iterated.value))))
        else this.push(null)
      }
    })
    inStream.pipe(res)