♻ Don't hardcode DB settings but supply them to init function

dbSettings.d.ts

@@ -1,4 +0,0 @@
-export const host: string;
-export const user: string;
-export const password: string;
-export const database: string;

src/database/database.ts

@@ -1,9 +1,11 @@
 import * as mysql from 'mysql';
-import * as dbSettings from '../../dbSettings';
+import IDatabaseSettings from '../interfaces/IDatabaseSettings';
 
-const connection = mysql.createConnection(dbSettings);
+let connection: mysql.Connection;
+
+export function init(dbSettings: IDatabaseSettings) {
+  connection = mysql.createConnection(dbSettings);
 
-export function init() {
   return new Promise((resolve, reject) => {
     connection.connect(function(err) {
       if (err) {

src/index.ts

@@ -5,6 +5,6 @@ import init from './init';
 //Exports various functions as endpoints
 export default Object.freeze({
   getManifest,
+  init,
   productList,
-  ready: init(),
 });

src/init.ts

@@ -4,13 +4,14 @@ import createStatement from './database/createStatement';
 import * as database from './database/database';
 import products from './exports/productList';
 import IDatabaseRow from './interfaces/IDatabaseRow';
+import IDatabaseSettings from './interfaces/IDatabaseSettings';
 import IProductData from './interfaces/IProductData';
 import writeLog from './logger/writeLog';
 
-export default async function init(): Promise<{ [key in Product]?: IProductData }> {
+export default async function init(dbSettings: IDatabaseSettings): Promise<{ [key in Product]?: IProductData }> {
   const output: { [key in Product]?: IProductData } = {};
 
-  await database.init();
+  await database.init(dbSettings);
 
   //Only create table if it does not exist yet
   const createIfNotExists = createStatement.replace(/^CREATE TABLE/, 'CREATE TABLE IF NOT EXISTS');

src/interfaces/IDatabaseSettings.ts

@@ -0,0 +1,6 @@
+export default interface IDatabaseSettings {
+  host: string;
+  user: string;
+  password: string;
+  database: string;
+}