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fix: optimize tick interval calculation using dayjs for improved accuracy

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on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
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omkarht
2025-11-27 12:38:30 +05:30
parent bf50ce5237
commit 0843a2fa7a
1 changed files with 1 additions and 10 deletions
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11
packages/mermaid/src/diagrams/gantt/ganttRenderer.js
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@@ -614,16 +614,7 @@ export const draw = function (text, id, version, diagObj) {
*/ */
function getEstimatedTickCount(minTime, maxTime, every, interval) { function getEstimatedTickCount(minTime, maxTime, every, interval) {
const timeDiffMs = maxTime - minTime; const timeDiffMs = maxTime - minTime;
const msPerUnit = { const intervalMs = dayjs.duration({ [interval ?? 'day']: every }).asMilliseconds();
millisecond: 1,
second: 1000,
minute: 60 * 1000,
hour: 60 * 60 * 1000,
day: 24 * 60 * 60 * 1000,
week: 7 * 24 * 60 * 60 * 1000,
month: 30 * 24 * 60 * 60 * 1000, // Approximate
};
const intervalMs = (msPerUnit[interval] || msPerUnit.day) * every;
return Math.ceil(timeDiffMs / intervalMs); return Math.ceil(timeDiffMs / intervalMs);
} }