trifid-core/lib/handlers/notFound.js

Trifid Core

// @ts-check

import { dirname } from 'node:path'
import { fileURLToPath } from 'node:url'

const currentDir = dirname(fileURLToPath(import.meta.url))

/*
 * Using the factory pattern to create the handler,
 * so that it can have access to the `render` function.
 */
const factory = async ({ render }) => {
  /**
   * Not found handler.
   *
   * @param {import('fastify').FastifyRequest} request Request.
   * @param {import('fastify').FastifyReply} reply Reply.
   */
  const handler = async (request, reply) => {
    request.log.debug(`path '${request.url}' returned a 404 error (Not Found)`)

    const accept = request.accepts()

    reply.status(404)

    switch (accept.type([
      'text/plain',
      'json',
      'html',
    ])) {
      case 'json':
        reply.send({ success: false, message: 'Not found', status: 404 })
        break

      case 'html':
        reply.type('text/html').send(
          await render(
            request,
            `${currentDir}/../../views/404.hbs`,
            {
              url: request.url,
            },
            { title: 'Not Found' },
          ),
        )
        break

      default:
        reply.type('text/plain').send('Not Found\n')
        break
    }
  }

  return handler
}

export default factory