Function startCapturingEarlyInput

src/utils/earlyInput.ts:29–67

()

 * Only captures if stdin is a TTY (interactive terminal).
 */
export function startCapturingEarlyInput(): void {
  // Only capture in interactive mode: stdin must be a TTY, and we must not
  // be in print mode. Raw mode disables ISIG (terminal Ctrl+C → SIGINT),
  // which would make -p uninterruptible.
  if (
    !process.stdin.isTTY ||
    isCapturing ||
    process.argv.includes('-p') ||
    process.argv.includes('--print')
  ) {
    return
  }

  isCapturing = true
  earlyInputBuffer = ''

  // Set stdin to raw mode and use 'readable' event like Ink does
  // This ensures compatibility with how the REPL will handle stdin later
  try {
    process.stdin.setEncoding('utf8')
    process.stdin.setRawMode(true)
    process.stdin.ref()

    readableHandler = () => {
      let chunk = process.stdin.read()
      while (chunk !== null) {
        if (typeof chunk === 'string') {
          processChunk(chunk)
        }
        chunk = process.stdin.read()
      }
    }

    process.stdin.on('readable', readableHandler)
  } catch {
    // If we can't set raw mode, just silently continue without early capture
    isCapturing = false
  }
}

/**
 * Process a chunk of input data