Svelte dev server is stuck on old version

Question

I'm using Svelte with Rollup. I've always had a great dev server experience using npm run dev. Now, though the dev server seems stuck on an older version of my application. If I deploy with run build I get my latest changes, but npm run dev attempts to run the same thing from yesterday every time. I think this may be a browser session/cookie issue, as localhost:5000 in a chrome incognito tab served the latest version... but now it is also stuck on that version and won't update as I make and save changes. Any tips?

Abhishek Kashyap · Answer

Nothing on internet worked for me in this case, so I found following to (sort of) unblock myself
npm run build
npm run preview

This allows me to check the progress of my work.
Disadvantages of going this way:

Your changes are no longer live, you need to run these commands again in order to load any new changes.
It no longer retains the actual file structure. It has built your project for production, so it does some optimisations. As a result of which, it will be hard for you to debug the code in browsers.

Carlos Roso · Answer

You probably need to disable the cache.
Open Dev Tools -> Network Tab -> Disable cache (top checkbox).

Svelte dev server is stuck on old version

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