GRAB X APOTEK X Hospital PORTAL

frontend/hospital-portal/src/utils/formatTime.ts

@@ -11,6 +11,40 @@ export function fDateTime(date: Date | string | number) {
   return format(new Date(date), 'dd MMM yyyy HH:mm');
 }
 
+// Function to calculate the age from the birthdate
+function calculateAge(birthDate: Date): number {
+  const today = new Date();
+  const age = today.getFullYear() - birthDate.getFullYear();
+  const monthDifference = today.getMonth() - birthDate.getMonth();
+  const dayDifference = today.getDate() - birthDate.getDate();
+
+  // Adjust age if birthday hasn't occurred yet this year
+  if (monthDifference < 0 || (monthDifference === 0 && dayDifference < 0)) {
+    return age - 1;
+  }
+
+  return age;
+}
+
+// Extended function to format the date and include the age if it's a birthdate
+export function fDateTimeWithAge(date: Date | string | number): string {
+  const birthDate = new Date(date);
+  const formattedDate = format(birthDate, 'dd MMM yyyy');
+  const age = calculateAge(birthDate);
+
+  // If the age is 0, the output should be months instead of years
+  let ageText = age > 0 ? `${age} years old` : '';
+
+  if (age === 0) {
+    const monthsOld = new Date().getMonth() - birthDate.getMonth() +
+                     (12 * (new Date().getFullYear() - birthDate.getFullYear()));
+    ageText = `${monthsOld} months old`;
+  }
+
+  return `${formattedDate} / ${ageText}`;
+}
+
+
 export function fTimestamp(date: Date | string | number) {
   return getTime(new Date(date));
 }