Node.js Foundations·Practice drills 12

Drill 28: Trade-off — Async errors without crashes

Explain the trade-off in this example.

Intermediate 5 min read Lesson 289 of 300 Challenge included
What you will be able to do
  • Explain the trade-off in this example.

Practice task

Explain the trade-off in this example.

async-wrapper.jsJavaScript
function asyncRoute(handler) {
  return (request, response, next) => {
    Promise.resolve(handler(request, response, next)).catch(next)
  }
}

app.get('/api/courses', asyncRoute(async (_request, response) => {
  const courses = await db.course.findMany({ where: { published: true } })
  response.json(courses)
}))
Your turn

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Explain the trade-off in this example.

TEXT · starter
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Lesson 289 of 300 · 0% of course