Fix linter

Author: alex-friedl

src/sendFCM.js

@@ -37,12 +37,15 @@ const sendChunk = (firebaseApp, recipients, message) => {
           message: response.responses.map((value) => {
             const regToken = recipientList[regIndex];
             regIndex += 1;
+            const errorMsg = value.error
+              ? value.error.message || value.error
+              : null;
             return {
               messageId: value.message_id,
               originalRegId: regToken,
               regId: value.registration_id || regToken,
               error: value.error ? new Error(value.error) : null,
-              errorMsg: value.error ? value.error.message || value.error : null,
+              errorMsg,
             };
           }),
         };

src/sendGCM.js

@@ -33,12 +33,15 @@ const sendChunk = (GCMSender, recipients, message, retries) =>
           message: response.results.map((value) => {
             const regToken = recipientList[regIndex];
             regIndex += 1;
+            const errorMsg = value.error
+              ? value.error.message || value.error
+              : null;
             return {
               messageId: value.message_id,
               originalRegId: regToken,
               regId: value.registration_id || regToken,
               error: value.error ? new Error(value.error) : null,
-              errorMsg: value.error ? value.error.message || value.error : null,
+              errorMsg,
             };
           }),
         });

src/sendWNS.js

@@ -2,8 +2,11 @@ const wns = require('wns');
 const { WNS_METHOD } = require('./constants');
 
 const parseErrorMessage = (err) => (err instanceof Error ? err.message : err);
-const parseError = (err) =>
-  err instanceof Error ? err : err ? new Error(err) : null;
+const parseError = (err) => {
+  if (err instanceof Error) return err;
+  if (err) return new Error(err);
+  return null;
+};
 
 let resumed;