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fix(catalog): let shadcn tooltip examples follow the pointer - #267
The nine ShadCN tooltip examples currently show a tooltip on render and anchor it to fixed chart coordinates. Let normal interaction show and hide the tooltip, and use pointer anchoring with a 12px gap.
Verified with nine regression cases that fail on main, 27 real-pointer cases across Chromium, Firefox and WebKit, 2,382 DOM tests, strict types, and the conformance app build. Catalog checks pass, and regenerating all 189 previews changes only the source hash in the manifest.
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Nine ShadCN tooltip examples now anchor tooltips to the pointer with a 12-pixel offset and no longer seed focus programmatically during rendering. A shared parameterized test checks tooltip visibility, pointer-driven repositioning, and hiding on mouse leave. The preview manifest source hash also changed.
All nine examples use pointer anchoring with a 12-pixel offset and remove the useRef state and onRender logic that seeded programmatic focus. The preview manifest source hash changes.
A parameterized test checks that each tooltip starts hidden, appears after a pointer move, changes vertical position after another move, and hides on mouse leave.
Issue 265 reports that ShadCN chart tooltips stay at the chart center instead of following the pointer. This change updates the examples to use pointer anchoring and adds tests for pointer-driven positioning.
Merge Risk: Minimal · up to 5ef8e
No demonstrated issue blocks merging the pointer-following tooltip examples.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
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Docstring Coverage
Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Title check
The title "fix(catalog): let shadcn tooltip examples follow the pointer" matches the main change. The raw summary shows all nine ShadCN tooltip examples now anchor the tooltip to the pointer with a 12…
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Full details: Title check
Explanation
The title "fix(catalog): let shadcn tooltip examples follow the pointer" matches the main change. The raw summary shows all nine ShadCN tooltip examples now anchor the tooltip to the pointer with a 12-pixel offset, and the seeded-focus logic is removed. The PR objectives describe the same goal: normal interaction shows and hides tooltips with pointer anchoring and a 12px gap. The title is specific and short, and it uses a conventional commit prefix. It does not mention the added interaction test or the regenerated preview manifest hash, which is expected for a title.
Full details: Docstring Coverage
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Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 9 functions across 10 files. (1 skipped: 1 unsupported.)
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Write docstrings for the functions missing them to satisfy the coverage threshold.
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52-53: Trivial · Maintainability & Code Quality · Low value
Unverified finding
Verification ran but could not confirm this finding. It is shown for review, not as a verified issue.
Test uses hardcoded size that differs from the rendered chart size.
The test renders Example with width: 640, so the chart width is 590 (640 − 50). The height is (590 * 9) / 16, which matches most examples. The icons example uses chartHeight - 27, so its mocked rect height differs from the real rendered height. This does not break the current assertions, which only check visibility and that top changes. The mismatch could hide position bugs if the test later asserts exact coordinates. Consider deriving the height per example, or document that exact positions are out of scope.
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Failed pre-merge checks:
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Write docstrings for the functions missing them to satisfy the coverage
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The nine ShadCN tooltip examples currently show a tooltip on render and anchor it to fixed chart coordinates. Let normal interaction show and hide the tooltip, and use pointer anchoring with a 12px gap.
Thanks to @dantman for reporting this in #265.
Verified with nine regression cases that fail on main, 27 real-pointer cases across Chromium, Firefox and WebKit, 2,382 DOM tests, strict types, and the conformance app build. Catalog checks pass, and regenerating all 189 previews changes only the source hash in the manifest.
Refs #265.
Summary by CodeRabbit