linting cleanup

src/libs/crypto/index.ts

@@ -6,8 +6,10 @@ import { HDNode } from "@ethersproject/hdnode";
 import * as didJwt from "did-jwt";
 import * as u8a from "uint8arrays";
 
-import { Account } from "@/db/tables/accounts";
-import { createEndorserJwt, ENDORSER_JWT_URL_LOCATION } from "@/libs/endorserServer";
+import {
+  createEndorserJwt,
+  ENDORSER_JWT_URL_LOCATION,
+} from "@/libs/endorserServer";
 import { DEFAULT_DID_PROVIDER_NAME } from "../veramo/setup";
 
 export const DEFAULT_ROOT_DERIVATION_PATH = "m/84737769'/0'/0'/0'";
@@ -95,7 +97,7 @@ export const accessToken = async (did?: string) => {
     const tokenPayload = { exp: endEpoch, iat: nowEpoch, iss: did };
     return createEndorserJwt(did, tokenPayload);
   } else {
-    return null;
+    return "";
   }
 };