Tracker: split "edit issue" dialog to preview / edit (#1731)

plugins/tracker-resources/src/utils.ts

@@ -228,3 +228,22 @@ export const getArraysUnion = (a: any[], b: any[]): any[] => {
 
   return Array.from(union)
 }
+
+const WARNING_DAYS = 7
+
+export const getDueDateIconModifier = (
+  isOverdue: boolean,
+  daysDifference: number | null
+): 'overdue' | 'critical' | 'warning' | undefined => {
+  if (isOverdue) {
+    return 'overdue'
+  }
+
+  if (daysDifference === 0) {
+    return 'critical'
+  }
+
+  if (daysDifference !== null && daysDifference <= WARNING_DAYS) {
+    return 'warning'
+  }
+}