Function tmux

cli/src/__tests__/rerender-perf.integration.test.ts:58–80

(args: string[])

// Utility to run tmux commands
function tmux(args: string[]): Promise<string> {
  return new Promise((resolve, reject) => {
    const proc = spawn('tmux', args, { stdio: 'pipe' })
    let stdout = ''
    let stderr = ''

    proc.stdout?.on('data', (data) => {
      stdout += data.toString()
    })

    proc.stderr?.on('data', (data) => {
      stderr += data.toString()
    })

    proc.on('close', (code) => {
      if (code === 0) {
        resolve(stdout)
      } else {
        reject(new Error(`tmux command failed: ${stderr}`))
      }
    })
  })
}

/**
 * Send input to the CLI using bracketed paste mode.