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Fixes AvatarStack styling bugs (focus on stacking context issues) #5714

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merged 15 commits into from
Mar 4, 2025

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mperrotti
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Relates to https://github.com/github/copilot-productivity/issues/3985
An alternative approach: #5705

Benefits of this approach:

  • AvatarStack can now be used on any background color without seeing the var(--bgColor-default) border around each avatar
  • Transparent 3rd, and 4th avatars no longer show n+3 avatars underneath eachother
  • Animates back to "stacked" layout after hovering instead of just snapping immediately into place
  • Uses direction property to remove redundant styles and !important flags

Demos

Both demos are zoomed in x10.

Before

Kapture.2025-02-19.at.17.58.16.mp4

After

Kapture.2025-02-19.at.18.00.52.mp4

Changelog

New

Changed

Replaces z-index and box-shadow AvatarStack styling with mask

Removed

Rollout strategy

  • Patch release
  • Minor release
  • Major release; if selected, include a written rollout or migration plan
  • None; if selected, include a brief description as to why

Testing & Reviewing

Merge checklist

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@mperrotti mperrotti requested a review from a team as a code owner February 19, 2025 23:09
@mperrotti mperrotti requested a review from joshblack February 19, 2025 23:09
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changeset-bot bot commented Feb 19, 2025

🦋 Changeset detected

Latest commit: 7b673ca

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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@primer/react Patch

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@github-actions github-actions bot added the integration-tests: recommended This change needs to be tested for breaking changes. See https://arc.net/l/quote/tdmpakpm label Feb 19, 2025
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👋 Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the integration workflow. Thanks!

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github-actions bot commented Feb 19, 2025

size-limit report 📦

Path Size
packages/react/dist/browser.esm.js 106.11 KB (+0.1% 🔺)
packages/react/dist/browser.umd.js 106.51 KB (+0.22% 🔺)

@ericwbailey
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@mperrotti I reviewed this with macOS VoiceOver, NVDA, and JAWS. CSS' direction does not seem to negatively affect announcements, so I think we're good with this approach from an accessibility perspective!

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@hectahertz hectahertz left a comment

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Soooo nice, and the explanations in the comments were the cherry on top ✨

Comment on lines +129 to +132
// MIN-WIDTH CALC FORMULA EXPLAINED:
// avatar size ➡️ var(--avatar-stack-size)
// plus the visible part of the 2nd avatar ➡️ var(--avatar-stack-size) - var(--overlap-size)
// plus the visible part of the 3rd AND 4th avatar ➡️ (var(--avatar-stack-size) - var(--overlap-size-avatar-three-plus)) * 2
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Really well explained, thanks

@github-actions github-actions bot temporarily deployed to storybook-preview-5714 February 26, 2025 16:06 Inactive
@joshblack joshblack removed their request for review February 26, 2025 19:34
@github-actions github-actions bot requested a deployment to storybook-preview-5714 February 27, 2025 21:25 Abandoned
@primer primer bot requested a review from a team as a code owner February 27, 2025 21:30
@primer primer bot requested a review from langermank February 27, 2025 21:30
@github-actions github-actions bot requested a deployment to storybook-preview-5714 February 27, 2025 21:33 Abandoned
@github-actions github-actions bot requested a deployment to storybook-preview-5714 February 28, 2025 16:52 Abandoned
@github-actions github-actions bot requested a deployment to storybook-preview-5714 February 28, 2025 17:03 Abandoned
@primer primer bot temporarily deployed to github-pages February 28, 2025 17:16 Inactive
@github-actions github-actions bot temporarily deployed to storybook-preview-5714 February 28, 2025 17:16 Inactive
@mperrotti mperrotti added this pull request to the merge queue Mar 4, 2025
@mperrotti mperrotti removed this pull request from the merge queue due to a manual request Mar 4, 2025
@mperrotti mperrotti enabled auto-merge March 4, 2025 16:49
@github-actions github-actions bot requested a deployment to storybook-preview-5714 March 4, 2025 16:51 Abandoned
@github-actions github-actions bot temporarily deployed to storybook-preview-5714 March 4, 2025 17:03 Inactive
@mperrotti mperrotti added this pull request to the merge queue Mar 4, 2025
Merged via the queue into main with commit 0cfafe8 Mar 4, 2025
50 checks passed
@mperrotti mperrotti deleted the mp/rm-zindex-layered-avatars branch March 4, 2025 17:47
@primer primer bot mentioned this pull request Mar 4, 2025
hectahertz pushed a commit that referenced this pull request Mar 20, 2025
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Co-authored-by: mperrotti <mperrotti@users.noreply.github.com>
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3 participants