Trailing slash redirect for Nuxt

1. Create middleware ~/middleware/trailingSlashRedirect.js with:

export default function ({ route, redirect }) {
  if (route.path !== '/' && route.path.endsWith('/')) {
    const { path, query, hash } = route;
    const nextPath = path.replace(/\/+$/, '') || '/';
    const nextRoute = { path: nextPath, query, hash };

    redirect(nextRoute);
  }
}

2. Add this middleware for router section to nuxt.config.js.
   export default {
   …

router: {
middleware: ‘trailingSlashRedirect’
},
…

}