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Merge pull request #6945 from mermaid-js/fix/gantt-crash-obsidian-browser

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6920: Fix Gantt chart crashes in Obsidian and browser
This commit is contained in:
Shubham P
2025-09-16 15:49:49 +00:00
committed by GitHub
parent 994f7df29a d318f1a13c
commit 216be22801
3 changed files with 38 additions and 1 deletions
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5
.changeset/moody-fans-try.md Normal file
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@@ -0,0 +1,5 @@
---
'mermaid': patch
---
fix: Resolve gantt chart crash due to invalid array length

30
cypress/integration/rendering/gantt.spec.js
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@@ -803,4 +803,34 @@ describe('Gantt diagram', () => {
{}
);
});
it('should handle numeric timestamps with dateFormat x', () => {
imgSnapshotTest(
`
gantt
title Process time profile (ms)
dateFormat x
axisFormat %L
tickInterval 250millisecond
section Pipeline
Parse JSON p1: 000, 120
`,
{}
);
});
it('should handle numeric timestamps with dateFormat X', () => {
imgSnapshotTest(
`
gantt
title Process time profile (ms)
dateFormat X
axisFormat %L
tickInterval 250millisecond
section Pipeline
Parse JSON p1: 000, 120
`,
{}
);
});
});

4
packages/mermaid/src/diagrams/gantt/ganttDb.js
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@@ -268,7 +268,9 @@ const fixTaskDates = function (startTime, endTime, dateFormat, excludes, include
const getStartDate = function (prevTime, dateFormat, str) {
str = str.trim();
if ((dateFormat.trim() === 'x' || dateFormat.trim() === 'X') && /^\d+$/.test(str)) {
return new Date(Number(str));
}
// Test for after
const afterRePattern = /^after\s+(?<ids>[\d\w- ]+)/;
const afterStatement = afterRePattern.exec(str);