@asciidoctor/cli/lib/stdin.js

The Command Line Interface (CLI) for Asciidoctor.js

const readFromStdin = async () => new Promise((resolve, reject) => {
  const encoding = 'utf-8'
  let data
  data = ''
  process.stdin.setEncoding(encoding)
  process.stdin.on('readable', function () {
    const chunk = process.stdin.read()
    if (chunk !== null) {
      data += chunk
    }
  })
  process.stdin.on('error', (error) => {
    reject(error)
  })
  process.stdin.on('end', function () {
    // There will be a trailing \n from the user hitting enter. Get rid of it.
    data = data.replace(/\n$/, '')
    resolve(data)
  })
})

module.exports = {
  read: readFromStdin
}