cleaning the codes

src/config/config.ts

@@ -75,3 +75,5 @@ module.exports = {
     // to be defined
   }
 }
+
+export {}

src/config/dbconn.ts

@@ -37,4 +37,4 @@ const dbconn = {
   project: projectConnection
 }
 
-export {dbconn}
+export { dbconn }

src/controller/controller.ts

@@ -19,7 +19,7 @@ const controller = {
   },
   getProjectOverviewById: async function (projectId: number) {
     try {
-      const rows: any = await dbconn.project.promise().query('CALL GetProjectInformationByProjectID(' + projectId + ')')
+      const rows: any = await dbconn.project.promise().query('CALL GetProjectInformationByProjectID(' + String(projectId) + ')')
       if (rows[0][0]) {
         return rows[0][0]
       } else { return null }
@@ -29,7 +29,7 @@ const controller = {
   },
   getProjectImagesById: async function (projectId: number) {
     try {
-      const rows: any = await dbconn.project.promise().query('CALL getImagesByProjectID(' + projectId + ')')
+      const rows: any = await dbconn.project.promise().query('CALL getImagesByProjectID(' + String(projectId) + ')')
       if (rows[0][0]) {
         return rows[0][0]
       } else { return null }