The validate method

validate({ params, query, store }) {
  return true // if the params are valid
  return false // will stop Nuxt to render the route and display the error page
}

async validate({ params, query, store }) {
  // await operations
  return true // if the params are valid
  return false // will stop Nuxt to render the route and display the error page
}

validate({ params, query, store }) {
  return new Promise((resolve) => setTimeout(() => resolve()))
}

export default {
  validate({ params }) {
    // Must be a number
    return /^\d+$/.test(params.id)
  }
}

export default {
  validate({ params, store }) {
    // Check if `params.id` is an existing category
    return store.state.categories.some(category => category.id === params.id)
  }
}

export default {
  async validate({ params, store }) {
    // Throws a 500 internal server error with custom message
    throw new Error('Under Construction!')
  }
}