chore: moves error messages to constants

src/constants/responses.ts

@@ -72,3 +72,8 @@ export const OVERDUE_CUSTOM_MESSAGE =
 export const ONBOARDING_DEFAULT_MESSAGE = `You currently have an onboarding status. Please provide an update explaining any challenges you're facing in completing your tasks. If you're finished, consider assigning new tasks to Admin.`;
 
 export const ONBOARDING_CUSTOM_MESSAGE = `Please update your status explaining why you are unable to complete your onboarding tasks within {{days}} days.`;
+
+export const INVALID_TOKEN_FORMAT =
+  "Invalid Authentication header format. Expected 'Bearer <token>'";
+
+export const AUTHENTICATION_ERROR = "Invalid Authentication token";

src/utils/verifyAuthToken.ts

@@ -1,3 +1,7 @@
+import {
+  AUTHENTICATION_ERROR,
+  INVALID_TOKEN_FORMAT,
+} from "../constants/responses";
 import { env } from "../typeDefinitions/default.types";
 import jwt from "@tsndr/cloudflare-worker-jwt";
 
@@ -10,15 +14,13 @@ import jwt from "@tsndr/cloudflare-worker-jwt";
 export async function verifyAuthToken(authHeader: string, env: env) {
   const parts = authHeader.split(" ");
   if (parts.length !== 2 || parts[0] !== "Bearer") {
-    throw new Error(
-      "Invalid Authentication header format. Expected 'Bearer <token>'"
-    );
+    throw new Error(INVALID_TOKEN_FORMAT);
   }
   const authToken = parts[1];
   const isValid = await jwt.verify(authToken, env.RDS_SERVERLESS_PUBLIC_KEY, {
     algorithm: "RS256",
   });
   if (!isValid) {
-    throw new Error("Invalid Authentication token");
+    throw new Error(AUTHENTICATION_ERROR);
   }
 }

tests/unit/utils/verifyToken.test.ts

@@ -1,5 +1,9 @@
 import jwt from "@tsndr/cloudflare-worker-jwt";
 import { verifyAuthToken } from "../../../src/utils/verifyAuthToken";
+import {
+  AUTHENTICATION_ERROR,
+  INVALID_TOKEN_FORMAT,
+} from "../../../src/constants/responses";
 
 describe("verifyAuthToken", () => {
   const authToken = "validToken";
@@ -24,20 +28,20 @@ describe("verifyAuthToken", () => {
     const authHeader = "Bearer invalidToken";
     jwt.verify = jest.fn().mockResolvedValue(false);
     await expect(verifyAuthToken(authHeader, mockEnv)).rejects.toThrow(
-      "Invalid Authentication token"
+      AUTHENTICATION_ERROR
     );
   });
   it("should throw an error when Bearer is not passed", async () => {
     const authHeader = "Beaer invalidToken";
     await expect(verifyAuthToken(authHeader, mockEnv)).rejects.toThrow(
-      "Invalid Authentication header format. Expected 'Bearer <token>'"
+      INVALID_TOKEN_FORMAT
     );
   });
 
   it("should throw an error for a malformed auth header", async () => {
     const malformedHeader = "invalidformat";
     await expect(verifyAuthToken(malformedHeader, mockEnv)).rejects.toThrow(
-      "Invalid Authentication header format. Expected 'Bearer <token>'"
+      INVALID_TOKEN_FORMAT
     );
   });
 });