Allow configuring focus ring appearance - #123
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📝 WalkthroughWalkthroughThe built-in focus ring now accepts configurable radius, stroke width, fill, and stroke options. Boolean behavior and defaults remain supported. The change includes public type exports, scene and renderer tests, documentation, examples, conformance metadata, and refreshed bundle measurements. ChangesConfigurable focus ring
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🔵 Low · up to The PR adds configurable focus-ring styling across supported renderers, but explicitly passing undefined values can suppress documented defaults and lead to incorrect focus indicators. Several generated documentation copies also need source-of-truth cleanup. The change is low risk and mergeable with owner awareness or these bounded follow-ups. Sequence Diagram(s)sequenceDiagram
participant ChartDefinition
participant ChartScene
participant Renderer
participant AccessibilityTree
ChartDefinition->>ChartScene: provide focusRing options
ChartScene->>Renderer: create configured focus dot
Renderer->>AccessibilityTree: hide built-in focus layer
Renderer->>Renderer: paint dot when focus is active
Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Linked Issues checkExplanation The changes implement issue Full details: Out of Scope Changes checkExplanation The changes remain related to the focus-ring feature. Documentation, examples, tests, changeset entries, conformance metadata, and bundle benchmark updates support or validate the implementation. No unrelated product behavior is evident. Full details: Docstring CoverageExplanation Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 10 files. (15 skipped: 15 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 2
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Inline comments:
In `@packages/charts-core/docs/reference/focus-and-interaction.md`:
- Around line 39-69: Move the built-in focus ring subsection authoring to the
root documentation source under docs/reference/focus-and-interaction.md, leaving
the generated packages/charts-core copy out of direct edits. Then run the
repository’s docs:sync process to regenerate the package documentation with the
same content.
Apply the same fix in `@packages/charts-core/docs/reference/chart-definitions.md`
around lines 106 - 110: Same generated-documentation source-of-truth issue.
In `@packages/charts-core/src/scene.ts`:
- Around line 554-558: Update the focus-ring style construction near
focusRingStyle so undefined configured values do not override the defaults for
fill, stroke, or strokeWidth. Apply each optional focusRing field only when
defined, preserving the existing defaults from point.color, the Canvas-based
fill, and the default stroke width.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro Plus
Run ID: d1904b23-d617-40d2-b927-3956d1c5782b
⛔ Files ignored due to path filters (1)
benchmarks/conformance/previews/34-pointer-tooltip.svgis excluded by!**/*.svg
📒 Files selected for processing (25)
.changeset/focus-ring-options.mdAPI-FRICTION.mdbenchmarks/bundle-size/universal-baseline.jsonbenchmarks/comparison/bundle-baseline.jsonbenchmarks/conformance/cases/34-pointer-tooltip/example.tsxbenchmarks/conformance/previews/manifest.jsondocs/comparison.mddocs/examples/interactive-charts.mddocs/reference/chart-definitions.mddocs/reference/dom-host.mddocs/reference/focus-and-interaction.mdpackages/charts-core/docs/comparison.mdpackages/charts-core/docs/examples/interactive-charts.mdpackages/charts-core/docs/reference/chart-definitions.mdpackages/charts-core/docs/reference/dom-host.mdpackages/charts-core/docs/reference/focus-and-interaction.mdpackages/charts-core/src/canvas.test.tspackages/charts-core/src/index.tspackages/charts-core/src/scene.test.tspackages/charts-core/src/scene.tspackages/charts-core/src/svg-surface.test.tspackages/charts-core/src/types.tspackages/charts-core/src/universal-types.tspackages/react-native-charts/src/Chart.test.tsxscripts/measure-bundles.mjs
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1 participant
Extends the existing
focusRingdefinition option with aChartFocusRingOptionsobject forradius,fill,stroke, andstrokeWidth.trueand omission preserve every current default,falsestill disables the built-in ring, and an omitted stroke keeps the focused point resolved series color. This supports a smaller white-centered, series-outlined indicator without selectors targeting generated SVG.The options compile into the existing renderer-neutral scene dots, so SVG, Canvas, React Native, and motion share the same contract without a dependency or renderer import. Focused renderer and accessibility coverage, reference docs, the pointer-tooltip catalog example, and a changeset are included.
pnpm bundle:checkandpnpm benchmark:checkpass. Against upstream, locked universal consumers add 65-79 minified bytes and 25-36 gzip bytes; comparison consumers add 73-76 minified bytes and 22-36 gzip bytes.Closes #94