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Extract reusable StyleX preset package - #1156
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Report historyPR 1156 · 2026-08-31 12:28 UTC
PR 1156 · 2026-08-27 08:23 UTC
PR 1156 · 2026-08-26 19:18 UTC
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CI Measurementspartial - advisory gate - readiness
nix / closures / packages
Unchanged / 0-impact measurements (17)These rows had compatible baseline data, but their semantic impact rounded to 0.00x because the movement was below the configured budget, below the noise floor, or inside the robust noise band. devenv / devenv cli
devenv / devenv shell
devenv / genie
devenv / quality gates
devenv / workspace setup
nix / closures / packages
Diagnostic / ungated measurements (7)source / effect-utils
devenv / devenv shell
All measurements
Previous runs
Source-of-truth JSON{
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"title": "CI Measurements",
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"gate": "advisory",
"readiness": "partial (17/26 enabled observations gateable)",
"commit": {
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"sha": "6befb3f7378097af3e866dccd92e2af170c6c918"
},
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"attempt": "1",
"url": "https://github.com/overengineeringstudio/effect-utils/actions/runs/33391317597"
},
"baseline": null,
"protocol": "devenv-perf-warm-median-v2",
"chart": {
"meaning": "semantic-impact",
"zeroImpactMeaning": "no actionable PR impact after budgets, noise floor, and robust evidence checks",
"svg": "https://raw.githubusercontent.com/overengineeringstudio/effect-utils/ci-measurement-assets/ci-measurements/pr-1156/6befb3f7378097af3e866dccd92e2af170c6c918/run-33391317597-attempt-1/ci-measurements.svg",
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"darkPng": "https://raw.githubusercontent.com/overengineeringstudio/effect-utils/ci-measurement-assets/ci-measurements/pr-1156/6befb3f7378097af3e866dccd92e2af170c6c918/run-33391317597-attempt-1/ci-measurements-dark.png"
},
"measurements": [
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},
{
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} |
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Problem
The first two PRs prove StyleX in one package, but the reusable pieces remain embedded in that package and depend on
tailwind-stylex@0.1.1, a one-day-old single-maintainer package. Copying the integration into downstream repositories would create immediate drift.Goal
Create one public, versioned StyleX preset that downstream repositories can consume for typed scales, the parity-proven preflight, and Vite integration — without carrying
tailwind-stylexin their dependency graphs.Decisions
@overeng/stylex-presetwith three explicit entry points:tokens.stylex,preflight.css, andvite.tailwind-stylex@0.1.1; preserve the upstream MIT license inTHIRD_PARTY_NOTICES.createStylexVitePlugin()as the one build-tool seam. It always compiles preset source and accepts additional external StyleX packages.@stylexjs/stylexa peer dependency; make the build plugin and itsunpluginpeer direct dependencies so consumers do not reconstruct the tool graph.unplugin2.x vs catalog 3.x split in Remove unplugin major-version split when Storybook supports v3 #1155.tailwind-stylexentirely.Verification
devenv tasks run check:all --no-tui— exit 0.devenv tasks run check:quick --no-tui— exit 0.AE=0) at 800×600 after warm-up.46a4fd782e9c041bd421ecbdfba8eda07b474866836a422c9b9b2c1eba5ebfb0.tailwind-stylexauthority/import/lockfile references; only the changelog and third-party attribution intentionally name it.Complexity
The new package is the minimum reusable boundary: one token file, one CSS reset, and one Vite helper. Without it, every downstream repository must duplicate compiler options and preflight behavior that already caused measurable regressions during the pilot.
Concerns
@stylexjs/unpluginprevents Vitest from exiting - ~581 leaked file handles in an 80-module suite, plus an unrefd timer facebook/stylex#1533.Friction & bottlenecks
oxlint-npmhash source, so the observed Nix hash was applied directly and the missing capability was reported.check:alltook 56m44s because its closure/bootstrap path triggered a large Nix GC and then re-fetched evicted build inputs. The semantic/test work itself was already green before that shared-resource churn.Follow-ups
unpluginmajor split when Storybook supports v3.geist-design-systemTailwind components remain; new components use StyleX and old components migrate opportunistically.References
Posted on behalf of @schickling
agent_identityagent_personaagent_supervisoragent_toolagent_tool_versionagent_runtimetooling_profile