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fix(heatmap): prevent tooltip overflow on rightmost cells #1345

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Merged
Priyanshu-byte-coder merged 1 commit into from
May 28, 2026
+6 −1
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fix(heatmap): prevent tooltip overflow on rightmost cells #1345

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7 changes: 6 additions & 1 deletion src/components/ContributionHeatmap.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,7 @@ export default function ContributionHeatmap({
const dayIndex = index % 7;
const isFuture = cell.date > today;
const showTooltipBelow = dayIndex < 2;
const isNearRightEdge = weekIndex >= weekCount - 3;
const tooltip = `${cell.date.toLocaleDateString("en-US", {
weekday: "short",
month: "short",
Expand Down Expand Up @@ -313,8 +314,12 @@ export default function ContributionHeatmap({
>
{!isFuture && (
<span
className={`pointer-events-none absolute left-1/2 z-50 hidden -translate-x-1/2 whitespace-nowrap rounded-md bg-[var(--foreground)] px-2 py-1 text-[11px] text-[var(--background)] shadow-lg group-hover:block group-focus:block ${
className={`pointer-events-none absolute z-50 hidden whitespace-nowrap rounded-md bg-[var(--foreground)] px-2 py-1 text-[11px] text-[var(--background)] shadow-lg group-hover:block group-focus:block ${
showTooltipBelow ? "top-full mt-2" : "bottom-full mb-2"
} ${
isNearRightEdge
? "right-0 translate-x-0"
: "left-1/2 -translate-x-1/2"
}`}
>
{tooltip}
Expand Down
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