var ReadStream = require('fs').ReadStream
var Stream = require('stream')

module.exports = function dethroy(stream) {
  if (stream instanceof ReadStream) {
    return destroyReadStream(stream)
  }

  if (!(stream instanceof Stream)) {
    return stream
  }

  if (typeof stream.destroy === 'function') {
    stream.destroy()
  }

  return stream
}

function destroyReadStream(stream) {
  stream.destroy()

  if (typeof stream.close === 'function') {
    // node.js core bug work-around
    stream.on('open', onopenClose)
  }

  return stream
}

function onopenClose() {
  if (typeof this.fd === 'number') {
    // actually close down the fd
    this.close()
  }
}
