importing the data json

data/holidays.json

@@ -1 +1,7 @@
-["2023-05-01","2023-06-12","2023-09-25"]
+{
+  "holidays": [
+    "2023-05-01",
+    "2023-06-12",
+    "2023-09-25"
+  ]
+}

data/timeSlots.json

@@ -1 +1,10 @@
-["08:00 - 10:00","10:00 - 12:00","12:00 - 14:00","14:00 - 16:00","16:00 - 18:00","18:00 - 20:00"]
+{
+  "timeSlots": [
+    "08:00 - 10:00",
+    "10:00 - 12:00",
+    "12:00 - 14:00",
+    "14:00 - 16:00",
+    "16:00 - 18:00",
+    "18:00 - 20:00"
+  ]
+}

src/app.ts

@@ -1,5 +1,7 @@
 import express from 'express';
 import routes from './routes';
+import { getAvailableTimeSlots } from './services/timeslotsService';
+import { getHolidays } from './services/holidaysService';
 
 const app = express();
 

src/index.ts

@@ -6,7 +6,7 @@ const PORT = process.env.PORT || 3000;
 
 app.listen(PORT, () => {
   console.log("STARTING ... ")
-  if(env === 'development') {
+  if (env === 'development') {
     console.log("Generating mock data files")
     generateMockDataFiles();
   }
@@ -21,23 +21,27 @@ const generateMockDataFiles = () => {
   }
 
   if (!fs.existsSync('./data/timeSlots.json')) {
-    const timeSlots = [
-      "08:00 - 10:00",
-      "10:00 - 12:00",
-      "12:00 - 14:00",
-      "14:00 - 16:00",
-      "16:00 - 18:00",
-      "18:00 - 20:00" 
-    ]
+    const timeSlots = {
+      timeSlots: [
+        "08:00 - 10:00",
+        "10:00 - 12:00",
+        "12:00 - 14:00",
+        "14:00 - 16:00",
+        "16:00 - 18:00",
+        "18:00 - 20:00"
+      ]
+    }
     fs.writeFileSync('./data/timeSlots.json', JSON.stringify(timeSlots));
   }
  
   if (!fs.existsSync('./data/holidays.json')) {
-    const holidays = [
-      "2023-05-01",
-      "2023-06-12",
-      "2023-09-25"
-    ]
+    const holidays = {
+      holidays: [
+        "2023-05-01",
+        "2023-06-12",
+        "2023-09-25"
+      ]
+    }
     fs.writeFileSync('./data/holidays.json', JSON.stringify(holidays));
   }
 }

src/services/holidaysService.ts

@@ -0,0 +1,6 @@
+import holidays from '../../data/holidays.json';
+
+export function getHolidays() {
+  // for demo resolving the promise immediately with mock data
+  return Promise.resolve(holidays);
+}

src/services/timeslotsService.ts

@@ -0,0 +1,6 @@
+import timeSlots from '../../data/timeslots.json';
+
+export function getAvailableTimeSlots() {
+   // for demo resolving the promise immediately with mock data
+  return Promise.resolve(timeSlots);
+}

tsconfig.json

@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "resolveJsonModule": true,
     "target": "es6",
     "module": "commonjs",
     "outDir": "dist",