Node.js 301 redirect for Nuxt.js

301.json

[
  { "from": "/old", "to": "https://new-site.ru" },
  { "from": "/old2", "to": "/new" }
]

nuxt.config.js

import serveStatic from 'serve-static'
...
  serverMiddleware: [
    '~/serverMiddleware/seo.js'
  ],
...

seo.js

const redirects = require('../301.json')

export default function (req, res, next) {
  const redirect = redirects.find(r => r.from === req.url)
  if (redirect) {
    console.log(`redirect: ${redirect.from} => ${redirect.to}`)
    res.writeHead(301, { Location: redirect.to })
    res.end()
  } else {
    next()
  }
}