CLASSROOMIO-T-4: Add deadline and show it was late or early

src/utils/functions/formatDate.js

@@ -0,0 +1,13 @@
+export default (date) => {
+  const d = new Date(date);
+
+  const ye = new Intl.DateTimeFormat('en', { year: 'numeric' }).format(d);
+  const mo = new Intl.DateTimeFormat('en', { month: '2-digit' }).format(d);
+  const da = new Intl.DateTimeFormat('en', { day: '2-digit' }).format(d);
+
+  // return `${ye}-${mo}-${da} ${d.toLocaleTimeString('en-US')}`;
+  return new Intl.DateTimeFormat('en-US', {
+    dateStyle: 'full',
+    timeStyle: 'medium',
+  }).format(d);
+};

src/utils/functions/isSubmissionEarly.js

@@ -0,0 +1,5 @@
+export default (created_at, due_date) => {
+  return !!due_date
+    ? !!(new Date(created_at).getTime() <= new Date(due_date).getTime())
+    : true;
+};