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[Server Side Render] Delayed loading state of SSR component #35033

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merged 1 commit into from
Sep 22, 2021

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@ntsekouras ntsekouras commented Sep 22, 2021

Resolves: #35027

This PR shows the loading placeholder of SSR component with a delay of 1 second.

It still shows it if there is no previous response(such as when loading the post) and it also shows only the previous response (without the spinner) if the one second has not passed and there was a previous response obviously 😄 . This way we avoid the flickering that used to exist before..

Testing instructions

  1. Insert an RSS block and save
  2. Reload to see that the loader is shown on first request
  3. Make changes to the block's settings and observe that in quick requests the spinner is not shown and the previous response is shown
  4. To test that this is the outcome of the timeout, you can change the timeout to something small (like 10) here

@ntsekouras ntsekouras added [Type] Enhancement A suggestion for improvement. [Package] Server Side Render /packages/server-side-render labels Sep 22, 2021
@ntsekouras ntsekouras self-assigned this Sep 22, 2021
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Size Change: +78 B (0%)

Total Size: 1.06 MB

Filename Size Change
build/server-side-render/index.min.js 1.5 kB +78 B (+5%) 🔍
ℹ️ View Unchanged
Filename Size
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@jasmussen jasmussen left a comment

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This seems to me like a great improvement. Here's the spinner not showing up at all because all actions are so fast:

feed

Big fan, thank you for working on this! If you have high confidence in the code, it looks good to me, otherwies it'd be good with another pair of eyes.

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@Mamaduka Mamaduka left a comment

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This looks great. I don't see a loading state when a server responds fast. I emulated a slow network via DevTools and component displays loading state.

Thanks for working on this, Nik!

@ntsekouras ntsekouras merged commit 9e782ed into trunk Sep 22, 2021
@ntsekouras ntsekouras deleted the try/show-ssr-loader-with-delay branch September 22, 2021 09:43
@github-actions github-actions bot added this to the Gutenberg 11.6 milestone Sep 22, 2021
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Improve loading state of SSR component to be optimistic with delayed spinner
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