Drill 12: Trade-off — Caching and cancellation

let controller
async function search(term) {
  controller?.abort()
  controller = new AbortController()
  try {
    const response = await fetch('/api/search?q=' + encodeURIComponent(term), { signal: controller.signal })
    return await response.json()
  } catch (error) {
    if (error.name !== 'AbortError') throw error
  }
}