fix linter issues

.eslintrc

@@ -1,10 +1,12 @@
 {
   "parser": "babel-eslint",
-  "ecmaFeatures": {
-    "arrowFunctions": true,
-    "blockBindings": true,
-    "generators": true,
-    "modules": true
+  "parserOptions": {
+    "ecmaFeatures": {
+      "arrowFunctions": true,
+      "blockBindings": true,
+      "generators": true,
+      "modules": true
+    }
   },
   "rules": {
     "array-bracket-spacing": [2, "always"],
@@ -31,4 +33,4 @@
   "plugins": [
     "babel"
   ]
-}
+}

package.json

@@ -19,7 +19,7 @@
     "@types/nock": "^10.0.3",
     "babel-cli": "^6.9.0",
     "babel-core": "^6.9.0",
-    "babel-eslint": "^6.0.4",
+    "babel-eslint": "^8.2.6",
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-stage-0": "^6.5.0",
     "chai": "^3.5.0",
@@ -43,6 +43,7 @@
     "clean": "rimraf lib/",
     "clean:ts": "rimraf ts-output/",
     "compile": "babel -d lib/ src/",
+    "lint": "eslint ./src ./tests",
     "prepublish": "npm run clean && npm run compile",
     "test:ts": "npm run clean:ts && tsc && NODE_ENV=test mocha --require babel-core/register --exit --timeout 5000 $(find ./ts-output -name *.tests.js)",
     "test:js": "NODE_ENV=test mocha --require babel-core/register --exit --timeout 5000 $(find ./tests -name *.tests.js)",
@@ -66,4 +67,4 @@
     "url": "https://github.com/auth0/node-jwks-rsa/issues"
   },
   "homepage": "https://github.com/auth0/node-jwks-rsa#readme"
-}
+}

src/JwksClient.js

@@ -1,7 +1,6 @@
 import debug from 'debug';
 import request from 'request';
 
-import ArgumentError from './errors/ArgumentError';
 import JwksError from './errors/JwksError';
 import SigningKeyNotFoundError from './errors/SigningKeyNotFoundError';
 
@@ -41,7 +40,7 @@ export class JwksClient {
       strictSSL: this.options.strictSsl,
       headers: this.options.requestHeaders,
       agentOptions: this.options.requestAgentOptions,
-      proxy: this.options.proxy,
+      proxy: this.options.proxy
     }, (err, res) => {
       if (err || res.statusCode < 200 || res.statusCode >= 300) {
         this.logger('Failure:', res && res.body || err);
@@ -67,32 +66,32 @@ export class JwksClient {
       }
 
       const signingKeys = keys
-          .filter((key) => {
-            if(key.kty !== 'RSA'){
-              return false;
-            }
-            if(!key.kid){
-              return false;
-            }
-            if(key.hasOwnProperty('use') && key.use !== 'sig'){
-              return false;
-            }  
-            return ((key.x5c && key.x5c.length) || (key.n && key.e));
+        .filter((key) => {
+          if(key.kty !== 'RSA') {
+            return false;
+          }
+          if(!key.kid) {
+            return false;
+          }
+          if(key.hasOwnProperty('use') && key.use !== 'sig') {
+            return false;
+          }  
+          return ((key.x5c && key.x5c.length) || (key.n && key.e));
         })
-          .map(key => {
-            const jwk = {
-              kid: key.kid,
-              nbf: key.nbf
-            };
-            const hasCertificateChain = key.x5c && key.x5c.length;
-            if (hasCertificateChain){
-              jwk.publicKey = certToPEM(key.x5c[0]);
-              jwk.getPublicKey = () => jwk.publicKey;
-            } else {
-              jwk.rsaPublicKey = rsaPublicKeyToPEM(key.n, key.e);
-              jwk.getPublicKey = () => jwk.rsaPublicKey;
-            }
-            return jwk;
+        .map(key => {
+          const jwk = {
+            kid: key.kid,
+            nbf: key.nbf
+          };
+          const hasCertificateChain = key.x5c && key.x5c.length;
+          if (hasCertificateChain) {
+            jwk.publicKey = certToPEM(key.x5c[0]);
+            jwk.getPublicKey = () => jwk.publicKey;
+          } else {
+            jwk.rsaPublicKey = rsaPublicKeyToPEM(key.n, key.e);
+            jwk.getPublicKey = () => jwk.rsaPublicKey;
+          }
+          return jwk;
         });
 
       if (!signingKeys.length) {

src/integrations/passport.js

@@ -23,7 +23,7 @@ module.exports.passportJwtSecret = (options) => {
   const onError = options.handleSigningKeyError || handleSigningKeyError;
 
   return function secretProvider(req, rawJwtToken, cb) {
-    const decoded = jwt.decode(rawJwtToken, { complete: true })
+    const decoded = jwt.decode(rawJwtToken, { complete: true });
 
     // Only RS256 is supported.
     if (!decoded || !decoded.header || decoded.header.alg !== 'RS256') {

src/utils.js

@@ -50,8 +50,8 @@ export function rsaPublicKeyToPEM(modulusB64, exponentB64) {
   const der = new Buffer(encodedPubkey, 'hex')
     .toString('base64');
 
-  let pem = `-----BEGIN RSA PUBLIC KEY-----\n`;
+  let pem = '-----BEGIN RSA PUBLIC KEY-----\n';
   pem += `${der.match(/.{1,64}/g).join('\n')}`;
-  pem += `\n-----END RSA PUBLIC KEY-----\n`;
+  pem += '\n-----END RSA PUBLIC KEY-----\n';
   return pem;
 };