3 files changed, 30 insertions, 7 deletions
diff --git a/src/models/EventInfo.js b/src/models/EventInfo.ts
index c1624a8..4493162 100644
--- a/src/models/EventInfo.js
+++ b/src/models/EventInfo.ts
@@ -1,13 +1,19 @@
 export default class EventInfo {
-  constructor(days = '', start = 0, end = 0) {
+  days: string;
+
+  start: number;
+
+  end: number;
+
+  constructor(days: string = '', start = 0, end = 0) {
     this.days = days;
     this.start = start;
     this.end = end;
   }
 
-  static timeToStr(time) {
+  static timeToStr(time: number) {
     let hour = Math.floor(time / 100);
-    let minute = time % 100;
+    const minute = time % 100;
     const meridiem = (hour < 12) ? 'AM' : 'PM';
 
     if (hour === 0) {
@@ -17,13 +23,12 @@ export default class EventInfo {
     }
 
     if (minute < 10) {
-      minute = `0${minute}`;
+      return `${hour}:0${minute} ${meridiem}`;
     }
-
     return `${hour}:${minute} ${meridiem}`;
   }
 
-  conflictsWith(event) {
+  conflictsWith(event: EventInfo) {
     const daysConflict = event.days.match(new RegExp(`[${this.days}]`));
 
     if (daysConflict) {
diff --git a/src/models/Lab.js b/src/models/Lab.ts
index 2e4412d..a6972ef 100644
--- a/src/models/Lab.js
+++ b/src/models/Lab.ts
@@ -1,6 +1,12 @@
 import EventInfo from '@/models/EventInfo';
 
 export default class Lab {
+  course: number;
+
+  section: number;
+
+  event: EventInfo;
+
   constructor(course = 0, section = 0, event = new EventInfo()) {
     this.course = course;
     this.section = section;
diff --git a/src/models/PeerTeacher.js b/src/models/PeerTeacher.ts
index 00a2f0d..f387431 100644
--- a/src/models/PeerTeacher.js
+++ b/src/models/PeerTeacher.ts
@@ -1,4 +1,16 @@
+import EventInfo from './EventInfo';
+
 export default class PeerTeacher {
+  firstname: string;
+
+  lastname: string;
+
+  uin: number;
+
+  events: EventInfo[];
+
+  assignedLabs: Set<string>;
+
   constructor(firstname = '', lastname = '', uin = 0) {
     this.firstname = firstname;
     this.lastname = lastname;
@@ -7,7 +19,7 @@ export default class PeerTeacher {
     this.assignedLabs = new Set();
   }
 
-  conflictsWith(event) {
+  conflictsWith(event: EventInfo) {
     let conflicts = false;
     this.events.every((item) => {
       if (item.conflictsWith(event)) {