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Baseurl

Base element

Standard HTML has a base element that is prepended to all relative URLs and can be used to serve your site from a subfolder (e.g. mysite.com/my-subfolder/), which is common on platforms like GitLab Pages.

Implementation

In your sitewide plenti.json configuration file, you can specify a baseurl like this:

{
  "baseurl": "/my-subfolder/"
}
The local webserver (plenti serve) will serve the root of your site from that subfolder: http://localhost:3000/my-subfolder/.

The baseurl information gets added to a magic variable called env that you can add to the <head> element like this:

<script>
  export let env;
</script>

<head>
  <base href="{env.baseurl}">
</head>
(Note: make sure to first pass env from the parent component, likely layouts/global/html.svelte)

Usage

Now that your site is configured to use baseurls, you need to make sure you're actually using relative links (about), not root relative links (/about) or absolute links (https://mysite.com/about). You'll also want to update all links back to your homepage to use a dot . instead of a forward slash /in order to work with the base element correctly when deployed.