JS Lab 3

INFO-3168 (JS 2)/Labs/Lab 3/utils.js

@@ -1,7 +1,17 @@
-export function calculateAssignmentAverage(student) {
-    if (!student.assignments || student.assignments.length === 0) {
-        return false;
+export function calculateAssignmentAverage(...grades) {
+    if (grades.length === 0) {
+        return 0;
     }
-    const total = student.assignments.reduce((sum, score) => sum + score, 0);
-    return total / student.assignments.length;
+
+    const total = grades.reduce((sum, score) => sum + score, 0);
+    return total / grades.length;
+}
+
+export function getTopThree(students) {
+    const sorted = [...students].sort((a, b) => b.grade - a.grade);
+    return sorted.slice(0, 3);
+}
+
+export function uniqueCourses(students) {
+    return [...new Set(students.map(({ course }) => course))];
 }