puppeteer/node_modules/b4a/lib/ascii.js

function byteLength (string) {
  return string.length
}

function toString (buffer) {
  const len = buffer.byteLength

  let result = ''

  for (let i = 0; i < len; i++) {
    result += String.fromCharCode(buffer[i])
  }

  return result
}

function write (buffer, string, offset = 0, length = byteLength(string)) {
  const len = Math.min(length, buffer.byteLength - offset)

  for (let i = 0; i < len; i++) {
    buffer[offset + i] = string.charCodeAt(i)
  }

  return len
}

module.exports = {
  byteLength,
  toString,
  write
}