Merge branch '24-specify-env-error-message-which-var-is-missing' into 'main'

Improved ErrorHandling EnvVars

Closes #24

See merge request swp-ws21-fahrtenbuch/team-einhorn/fahrtenbuch!15

server/.env.example

@@ -9,6 +9,9 @@ EMAIL_SERVER=smtp.example.com
 EMAIL_IS_TLS=false
 EMAIL_USERNAME=username
 EMAIL_PASSWORD=pw
+EMAIL_Port=2525
 EMAIL_FROM_ADDR=username@example.com
 Application_Name=Fahrtenbuch Wassersportzentrum
 JWT_SECRET=RANDOM_SECRET_HARD_TO_GUESS
+INITIAL_COORDINATOR_PASSWORD=password
+INITIAL_COORDINATOR_EMAIL=coord@example.com

server/src/config.ts

@@ -10,11 +10,12 @@ const envVars = {
   INITIAL_COORDINATOR_PASSWORD: process.env.INITIAL_COORDINATOR_PASSWORD,
   INITIAL_COORDINATOR_EMAIL: process.env.INITIAL_COORDINATOR_EMAIL,
 };
-
-if (Object.values(envVars).some((value) => value === undefined)) {
-  console.error(
-    "Error while reading DB Environment variables! Is maybe the .env file missing?"
-  );
+if (Object.values(envVars).every((value) => value === undefined)){
+  console.error("Error while reading DB Environment variables! Is maybe the .env file missing?");
+  process.exit(9);
+} else if (Object.values(envVars).findIndex((value) => value === undefined) != -1) {
+  let missingVars = Object.entries(envVars).filter(([key,value])=> value === undefined);
+  console.error(`Error while reading DB Environment variables!\n ${missingVars.map(x=>"  - " + x[0] + "is missing.\n")} `);
   process.exit(9);
 }