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fix: Performance issue in Gantt diagram

This commit is contained in:
Sidharth Vinod 2023-09-26 19:15:44 +05:30
parent a3456ec933
commit 5f5b216428
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GPG Key ID: FB5CCD378D3907CD
1 changed files with 25 additions and 8 deletions
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33
packages/mermaid/src/diagrams/gantt/ganttRenderer.js
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@ -497,20 +497,37 @@ export const draw = function (text, id, version, diagObj) {
* @param w
* @param h
* @param tasks
* @param excludes
* @param includes
* @param {unknown[]} excludes
* @param {unknown[]} includes
*/
function drawExcludeDays(theGap, theTopPad, theSidePad, w, h, tasks, excludes, includes) {
const minTime = tasks.reduce(
(min, { startTime }) => (min ? Math.min(min, startTime) : startTime),
0
);
const maxTime = tasks.reduce((max, { endTime }) => (max ? Math.max(max, endTime) : endTime), 0);
const dateFormat = diagObj.db.getDateFormat();
if (excludes.length === 0 && includes.length === 0) {
return;
}
let minTime;
let maxTime;
for (const { startTime, endTime } of tasks) {
if (minTime === undefined || startTime < minTime) {
minTime = startTime;
}
if (maxTime === undefined || endTime > maxTime) {
maxTime = endTime;
}
}
if (!minTime || !maxTime) {
return;
}
if (dayjs(maxTime).diff(dayjs(minTime), 'year') > 10) {
console.warn(
'The difference between the min and max time is more than 10 years. This will cause performance issues. Skipping drawing exclude days.'
);
return;
}
const dateFormat = diagObj.db.getDateFormat();
const excludeRanges = [];
let range = null;
let d = dayjs(minTime);