Function writeStringOrBuffer

map-chat/javascript/browserMqtt.js:2007–2020

* writeStringOrBuffer - write a String or Buffer with the its length prefix * * @param buffer - destination * @param pos - offset * @param toWrite - String or Buffer * @return number of bytes written

(buffer, pos, toWrite)

 * @return <Number> number of bytes written
 */
function writeStringOrBuffer(buffer, pos, toWrite) {
  var written = 0

  if (toWrite && typeof toWrite === 'string') {
    written += writeString(buffer, pos + written, toWrite)
  } else if (toWrite) {
    written += writeNumber(buffer, pos + written, toWrite.length)
    written += writeBuffer(buffer, pos + written, toWrite)
  } else {
    written += writeNumber(buffer, pos + written, 0)
  }

  return written
}

module.exports = generate