fix linter errors

package.json

@@ -38,7 +38,7 @@
     "@types/cors": "^2.8.12",
     "@types/express": "4.17.0",
     "@types/jest": "^24.0.13",
-    "@types/jsonwebtoken": "7.2.7",
+    "@types/jsonwebtoken": "^8.5.8",
     "@types/node": "10.14.1",
     "@types/node-fetch": "^2.1.2",
     "@types/node-forge": "^0.9.1",

src/utils/jwt.ts

@@ -95,9 +95,9 @@ export const verifyToken = (
   publicCert: NonEmptyString,
   token: string,
   issuer: NonEmptyString
-): TE.TaskEither<Error, string | object> =>
+): TE.TaskEither<Error, jwt.JwtPayload | string> =>
   pipe(
-    TE.taskify<Error, object | string>(cb =>
+    TE.taskify<Error, jwt.JwtPayload | string>(cb =>
       jwt.verify(token, publicCert, { algorithms: ["RS256"], issuer }, cb)
     )(),
     TE.mapLeft(E.toError)

yarn.lock

@@ -629,10 +629,10 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
-"@types/jsonwebtoken@7.2.7":
-  version "7.2.7"
-  resolved "https://registry.yarnpkg.com/@types/jsonwebtoken/-/jsonwebtoken-7.2.7.tgz#5dd62e0c0a0c6f211c3c1d13d322360894625b47"
-  integrity sha512-lq9X76APpxGJDUe1VptL1P5GrogqhPCH+SDy94+gaBJw7Hhj6hwrVC6zuxAx2GrgktkBuwydESZBvPfrdBoOEg==
+"@types/jsonwebtoken@^8.5.8":
+  version "8.5.8"
+  resolved "https://registry.yarnpkg.com/@types/jsonwebtoken/-/jsonwebtoken-8.5.8.tgz#01b39711eb844777b7af1d1f2b4cf22fda1c0c44"
+  integrity sha512-zm6xBQpFDIDM6o9r6HSgDeIcLy82TKWctCXEPbJJcXb5AKmi5BNNdLXneixK4lplX3PqIVcwLBCGE/kAGnlD4A==
   dependencies:
     "@types/node" "*"