fix(idnot): ensure env variables are treated as strings for fetch and URLSearchParams

src/services/idnot/index.ts

@@ -5,20 +5,28 @@ dotenv.config();
 
 export class IdNotService {
   static async exchangeCodeForTokens(code: string) {
+
+    const tokenUrl = process.env.IDNOT_TOKEN_URL;
+    const clientId = process.env.IDNOT_CLIENT_ID;
+    const clientSecret = process.env.IDNOT_CLIENT_SECRET;
+    const redirectUri = process.env.IDNOT_REDIRECT_URI;
+
+    if (!tokenUrl || !clientId || !clientSecret || !redirectUri) {
+      throw new Error("Missing required IDNOT environment variables");
+    }
+
     const params = {
-      client_id: process.env.IDNOT_CLIENT_ID,
+      client_id: clientId,
-      client_secret: process.env.IDNOT_CLIENT_SECRET,
+      client_secret: clientSecret,
-      redirect_uri: process.env.IDNOT_REDIRECT_URI,
+      redirect_uri: redirectUri,
-      grant_type: 'authorization_code',
+      grant_type: "authorization_code",
       code: code
     };
 
     const tokens = await (
-      await fetch(process.env.IDNOT_TOKEN_URL, {
+      await fetch(tokenUrl, {
-        method: 'POST',
+        method: "POST",
-        headers: {
+        headers: { "Content-Type": "application/x-www-form-urlencoded" },
-          'Content-Type': 'application/x-www-form-urlencoded',
-        },
         body: new URLSearchParams(params).toString()
       })
     ).json();