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fix(gatsby-plugin-image): fix image flickers #35226

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merged 20 commits into from May 5, 2022
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wardpeet
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@wardpeet wardpeet commented Mar 25, 2022

Description

Fixes gatsby-plugin-image flickering between page navigations and/or state updates.

  • add prod

Related Issues

Fixes #34190
Fixes #34009

@gatsbot gatsbot bot added the status: triage needed Issue or pull request that need to be triaged and assigned to a reviewer label Mar 25, 2022
@wardpeet wardpeet added topic: media Related to gatsby-plugin-image, or general image/media processing topics and removed status: triage needed Issue or pull request that need to be triaged and assigned to a reviewer labels Mar 25, 2022
@wardpeet wardpeet marked this pull request as draft March 25, 2022 23:24
@wardpeet wardpeet force-pushed the feat/image-plugin branch 4 times, most recently from 78a01e5 to 8ad1e67 Compare March 30, 2022 21:31
@wardpeet wardpeet marked this pull request as ready for review April 7, 2022 22:02
@tyhopp
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tyhopp commented Apr 8, 2022

@wardpeet I'm having a hard time separating out the parts that are fix-related from the parts that are refactored, can you add some comments (the GitHub kind, not inline 😄) that point that out? Looks great at first glance

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wardpeet commented Apr 8, 2022

That's the tricky bit. With the current component, we were constantly unmounting and remounting. It led to the flicker when you were doing page navigations.

The old technique is a way to do partial hydration, so we could stop hydrating gatsby-plugin-image, rely on a snippet in HTML, and only hydrate on state changes or navigations.

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