move to dotenv + custom env validations

ref #18

src/app.ts

@@ -2,7 +2,7 @@ import consola from "consola";
 import "reflect-metadata";
 import { createExpressServer } from "routing-controllers";
 import authchecker from "./authchecker";
-import { config } from './config';
+import { config, e as errors } from './config';
 import loaders from "./loaders/index";
 import { ErrorHandler } from './middlewares/ErrorHandler';
 
@@ -23,4 +23,9 @@ async function main() {
     );
   });
 }
-main();
+if (errors === 0) {
+  main();
+} else {
+  console.log("error");
+  // something's wrong
+}

src/config.ts

@@ -1,8 +1,22 @@
-import * as dotenvSafe from "dotenv-safe";
-dotenvSafe.config();
+import { config as configDotenv } from 'dotenv';
+configDotenv();
 export const config = {
-    internal_port: process.env.APP_PORT || 4010,
+    internal_port: parseInt(process.env.APP_PORT) || 4010,
     development: process.env.NODE_ENV === "production",
     jwt_secret: process.env.JWT_SECRET || "secretjwtsecret",
     phone_validation_countrycode: process.env.PHONE_COUNTRYCODE || "ZZ"
-}
+}
+let errors = 0
+if (typeof config.internal_port !== "number") {
+    errors++
+}
+if (typeof config.phone_validation_countrycode !== "string") {
+    errors++
+}
+if (config.phone_validation_countrycode.length !== 2) {
+    errors++
+}
+if (typeof config.development !== "boolean") {
+    errors++
+}
+export let e = errors