Added isRevoked type definitions

Replaced 2 spaces to 4

lib/get-secret.js

@@ -1,12 +1,11 @@
 const { decode } = require('jsonwebtoken');
 
 module.exports = async (provider, token) => {
+    const decoded = decode(token, { complete: true });
 
-  const decoded = decode(token, { complete: true });
+    if (!decoded || !decoded.header) {
+        throw new Error('Invalid token');
+    }
 
-  if (!decoded || !decoded.header) {
-    throw new Error('Invalid token');
-  }
-
-  return provider(decoded.header, decoded.payload);
+    return provider(decoded.header, decoded.payload);
 };

lib/index.js

@@ -1,13 +1,13 @@
 'use strict';
+
 const unless = require('koa-unless');
 const verify = require('./verify');
 const getSecret = require('./get-secret');
 const resolveAuthHeader = require('./resolvers/auth-header');
 const resolveCookies = require('./resolvers/cookie');
 
 module.exports = (opts = {}) => {
-
-    const { debug, getToken, isRevoked, key='user', passthrough, tokenKey } = opts;
+    const { debug, getToken, isRevoked, key = 'user', passthrough, tokenKey } = opts;
     const tokenResolvers = [resolveCookies, resolveAuthHeader];
 
     if (getToken && typeof getToken === 'function') {
@@ -25,8 +25,8 @@ module.exports = (opts = {}) => {
         let { state: { secret = opts.secret } } = ctx;
 
         try {
-            if(typeof secret === 'function') {
-              secret = await getSecret(secret, token);
+            if (typeof secret === 'function') {
+                secret = await getSecret(secret, token);
             }
 
             if (!secret) {
@@ -50,7 +50,7 @@ module.exports = (opts = {}) => {
         } catch (e) {
             if (!passthrough) {
                 const msg = debug ? e.message : 'Authentication Error';
-                ctx.throw(401, msg, {originalError: e});
+                ctx.throw(401, msg, { originalError: e });
             }
         }
 

types/index.d.ts

@@ -3,7 +3,7 @@
 // Definitions by: Bruno Krebs <https://github.com/brunokrebs/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-import Koa = require("koa");
+import Koa = require('koa');
 
 export = jwt;
 
@@ -14,6 +14,7 @@ declare namespace jwt {
         secret: string | Buffer;
         key?: string;
         getToken?(opts: jwt.Options): string;
+        isRevoked?(ctx: Koa.Context, decodedToken: object, token: string): Promise<boolean>;
         passthrough?: boolean;
         cookie?: string;
         debug?: boolean;