// @flow

function termwidth(stream: any): number {
  if (!stream.isTTY) return 80
  const width = stream.getWindowSize()[0]
  if (width < 1) return 80
  if (width < 40) return 40
  return width
}

export const stdtermwidth = global.columns || termwidth(process.stdout)
export const errtermwidth = global.columns || termwidth(process.stderr)