How can I fix the trailing slash in Netlify rewrite

Netlify has this powerful feature of rewriting, allowing me to create many duplicate pages. But there is a catch.

Netlify has this excellent feature, by adding it to_redirectsThe files are placed in the public root directory of the project (public/_redirectsFor example in Hugo).

I use it to power some of my websites.

If I have a bunch of pages belowcontent/original,Methods as below:

/copy/* /original/:splat  200
I can call the URL


/copy


and when I access https://mysite.com/copy I have the content stored inside https://mysite.com/original, and the URL does not change. It’s not a redirect (despite the _redirects file name), it’s a rewrite because I used the 200 code at the end. Had I used 301, that would have been a 301 redirect.


Anyway, the problem I stumbled upon is this: there’s no way to automatically add the trailing slash at the end, so if you access /copy and /copy/, and you use relative URLs for images and links, without trailing slash URLs will lead to 404 and images will be broken.


I looked for a solution in my static site generator, to see if it could replicate redirects in another way, but in the end my solution was client side.


And very simple.


I added this JavaScript snippet at the bottom of my pages:


<script>
(function() {
  if (!location.href.endsWith('/')) {
    window.location = location.href + '/'
  }
}())
</script>


And the page now if there’s no trailing slash will immediately reload with the slash appended at the end.


The process is so quick it’s almost invisible to the user.

  

  




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