[O] Optimize type with Map<string, Assignment[]>

2019-10-20 11:40:09 -04:00
parent 19d03536b5
commit 0159f639d2
1 changed files with 5 additions and 5 deletions
@@ -69,19 +69,19 @@ export default class CourseScatter extends Vue
    /**
     * Map assignments to {assignmentType, [assignment]} format.
     */
-    private mapAssignments(): {[index: string]: Assignment[]}
+    private mapAssignments(): Map<string, Assignment[]>
    {
-        // Define map {assignmentType, [assignment]}
-        let map: {[index: string]: Assignment[]} = {};
+        // Define map
+        let map = new Map();

        // Move data to map
        this.course.assignments.forEach(a =>
        {
            // Null case, create empty array
-            if (map[a.type] == undefined) map[a.type] = [];
+            if (map.has(a.type)) map.set(a.type, []);

            // Put data
-            map[a.type].push(a);
+            map.get(a.type).push(a);
        });

        return map;