Cleaned up the loaders

ref #11

src/loaders/database.ts

@@ -1,5 +1,8 @@
 import { createConnection } from "typeorm";
 
+/**
+ * Loader for the database that creates the database connection and initializes the database tabels.
+ */
 export default async () => {
     const connection = await createConnection();
     connection.synchronize();

src/loaders/express.ts

@@ -1,7 +1,9 @@
 import { Application } from "express";
-import bodyParser from 'body-parser';
-import cors from 'cors';
 
+/**
+ * Loader for express related configurations.
+ * Currently only enables the proxy trust.
+ */
 export default async (app: Application) => {
 	app.enable('trust proxy');
 	return app;

src/loaders/index.ts

@@ -1,8 +1,11 @@
+import { Application } from "express";
+import databaseLoader from "./database";
 import expressLoader from "./express";
 import openapiLoader from "./openapi";
-import databaseLoader from "./database";
-import { Application } from "express";
 
+/**
+ * Index Loader that executes the other loaders in the right order.
+ */
 export default async (app: Application) => {
     await databaseLoader();
     await openapiLoader(app);

src/loaders/openapi.ts

@@ -4,11 +4,16 @@ import { getMetadataArgsStorage } from "routing-controllers";
 import { routingControllersToSpec } from "routing-controllers-openapi";
 import * as swaggerUiExpress from "swagger-ui-express";
 
+/**
+ * Loader for everything openapi related - from creating the schema to serving it via a static route.
+ */
 export default async (app: Application) => {
   const storage = getMetadataArgsStorage();
   const schemas = validationMetadatasToSchemas({
     refPointerPrefix: "#/components/schemas/",
   });
+
+  //Spec creation based on the previously created schemas
   const spec = routingControllersToSpec(
     storage,
     {
@@ -32,6 +37,8 @@ export default async (app: Application) => {
       },
     }
   );
+
+  //Options for swaggerUiExpress
   const options = {
     explorer: true,
   };