Merge pull request #3615 from VisActor/3612-bug-gantt-renderProblem

3612 bug gantt render problem

Author: fangsmile

common/changes/@visactor/vtable/3612-bug-gantt-renderProblem_2025-03-24-08-21.json

@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "comment": "fix: gantt scale set quarter parser problem #3612\n\n",
+      "type": "none",
+      "packageName": "@visactor/vtable"
+    }
+  ],
+  "packageName": "@visactor/vtable",
+  "email": "892739385@qq.com"
+}

packages/vtable-gantt/src/tools/util.ts

@@ -704,11 +704,9 @@ export function computeCountToTimeScale(
     case 'quarter':
       difference =
         (adjusted_date.getFullYear() - startDate.getFullYear()) * 4 +
-        Math.floor(adjusted_date.getMonth() / 3) -
-        Math.floor(startDate.getMonth() / 3);
+        (adjusted_date.getMonth() - startDate.getMonth()) / 3;
       difference +=
-        (adjusted_date.getTime() - startDate.getTime()) /
-        DayTimes /
+        (adjusted_date.getDate() - startDate.getDate()) /
         (3 * new Date(adjusted_date.getFullYear(), adjusted_date.getMonth() + 1, 0).getDate());
       break;
     case 'year':