How to dev

How to dev

How to make SolidJS application work from a subfolder

In this article, I'll show how to make SolidJS application work from a subdirectory - for example, deployed on GitHub pages.

Code

First, let's generate code following the documentation:

$ npx degit solidjs/templates/js solid-subfolder
npx: installed 1 in 0.785s
> cloned solidjs/templates#HEAD to solid-subfolder

The problem

After installing with npm install & build with npm run build, your output will fail if you access it from a subdirectory. So, in my case, I try to access it on http://localhost/github/solid-subfolder/dist/, and I get: solid-subfolder-fail.png

As you can see, by default, index.html tries to load assets from the domain root - for example, it tries loading http://localhost/assets/index.1b7ca044.js.

The fix

Vite controls the base imports on the HTML side. As it's shown in the documentation the default value is /. We can change it in vite.config.js:

 export default defineConfig({
   plugins: [solidPlugin()],
+  base: "./",
   build: {
     target: "esnext",
     polyfillDynamicImport: false,

With this change in place, the application works as expected: working-app.png

Links

Here you can find the repo & the working app

Summary

In this article, we have seen how to make the SolidJS app work when deployed to a subfolder.

 
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