loaded js gets stale on subsequent deploys

[kryali]

Hi there, I am finding that when deploying new versions of my rails application, the javascript running on the iOS client version gets a bit stale.

That is, I need to completely refresh the WKWebView to pull down the new client-side changes from the server (e.g. via hard refresh or force close). I notice that this staleness tends to occur when I add a new js dependency or modify existing behavior in certain cases.

Is this a known issue? Let me know if I am being unclear. Thanks!

[iamjohnford]

Do you have data-turbo-track="reload" set? For example:

<link rel="stylesheet" href="..." data-turbo-track="reload" />
<script src="..." data-turbo-track="reload"></script>

[kryali]

Yes indeed, I have reload set like below

  <%= javascript_include_tag "application", "data-turbo-track": "reload", defer: true %>
  <%= stylesheet_link_tag "application", "data-turbo-track": "reload" %>

I ended up forcing a reload on the page client-side when the version changed. Not sure why my sessions were getting stale after a while, it was hard to reproduce reliably.

[iamjohnford]

Just did a test by changing some CSS in my development environment, did a pull to refresh, and it worked okay. I think the standard setup handles that okay.

You already found a solution, and may have tried these during your debugging, but these are some other thoughts if you decide to try to tackle it again:

• Double-check making a change and refreshing in a regular web browser is working okay. Could be something in the way your assets are building that's not working as expected like the file name not changing.
• Try loading the demo app and point to your url. If pull to refresh works as expected maybe it's something in iOS changes that you made.
• Confirm you don't have any other caching headers, or something going on with the server/CDN, that would prevent the new content from loading when refreshing.

If everything is okay now you may want to close this issue.