feat: run typeorm database migrations on app start

README.md

@@ -10,7 +10,6 @@
   - `npm run rebuild`
     - might need to install some build tools depending on your platform
 - `npm run watch` for code transpilation (starts watchers)
-- `npm run typeorm:migrate` for creating/migrating the database
 - `npm run start`
 
 ### Git Commits
@@ -30,7 +29,7 @@ Always try to split up your changes into coherent commits, a single commit shoul
 
 ### Database Migrations
 
-Migrations are stored in [src/main/migrations](src/main/migrations) and handled by typeorm.
+Migrations are stored in [src/main/migrations](src/main/migrations) and handled by typeorm. Migrations are run on app start inside [database.ts](src/main/services/database.ts).
 
 To auto-generate a migration:  
 `node_modules/.bin/typeorm migration:generate -n <migration name> -c <connection name>`

src/main/services/database.ts

@@ -1,7 +1,8 @@
 import 'reflect-metadata';
 import { Connection, createConnection } from 'typeorm';
+import { throwError } from './error';
 
-export const enum Databases {
+export enum Databases {
   LIBRARY = 'library',
 }
 
@@ -9,6 +10,17 @@ const connections: {
   [key in Databases]?: Connection;
 } = {};
 
+Object.values(Databases).forEach((database: Databases) => {
+  createConnection(database)
+    .then((connection: Connection) => {
+      connections[database] = connection;
+      return connection.runMigrations();
+    })
+    .catch((reason: any) => {
+      throwError(reason);
+    });
+});
+
 export function getConnection(database: Databases): Promise<Connection> {
   if (connections[database] === undefined) {
     return createConnection(database).then((connection: Connection) => {