Use Prettier JS (#5017)

* Adds prettier

* Run lint before tests

src/Adapters/Auth/spotify.js

@@ -4,15 +4,15 @@ var Parse = require('parse/node').Parse;
 
 // Returns a promise that fulfills iff this user id is valid.
 function validateAuthData(authData) {
-  return request('me', authData.access_token)
-    .then((data) => {
-      if (data && data.id == authData.id) {
-        return;
-      }
-      throw new Parse.Error(
-        Parse.Error.OBJECT_NOT_FOUND,
-        'Spotify auth is invalid for this user.');
-    });
+  return request('me', authData.access_token).then(data => {
+    if (data && data.id == authData.id) {
+      return;
+    }
+    throw new Parse.Error(
+      Parse.Error.OBJECT_NOT_FOUND,
+      'Spotify auth is invalid for this user.'
+    );
+  });
 }
 
 // Returns a promise that fulfills if this app id is valid.
@@ -21,17 +21,18 @@ function validateAppId(appIds, authData) {
   if (!appIds.length) {
     throw new Parse.Error(
       Parse.Error.OBJECT_NOT_FOUND,
-      'Spotify auth is not configured.');
+      'Spotify auth is not configured.'
+    );
   }
-  return request('me', access_token)
-    .then((data) => {
-      if (data && appIds.indexOf(data.id) != -1) {
-        return;
-      }
-      throw new Parse.Error(
-        Parse.Error.OBJECT_NOT_FOUND,
-        'Spotify auth is invalid for this user.');
-    });
+  return request('me', access_token).then(data => {
+    if (data && appIds.indexOf(data.id) != -1) {
+      return;
+    }
+    throw new Parse.Error(
+      Parse.Error.OBJECT_NOT_FOUND,
+      'Spotify auth is invalid for this user.'
+    );
+  });
 }
 
 // A promisey wrapper for Spotify API requests.
@@ -40,12 +41,12 @@ function request(path, access_token) {
     host: 'api.spotify.com',
     path: '/v1/' + path,
     headers: {
-      'Authorization': 'Bearer ' + access_token
-    }
+      Authorization: 'Bearer ' + access_token,
+    },
   });
 }
 
 module.exports = {
   validateAppId: validateAppId,
-  validateAuthData: validateAuthData
+  validateAuthData: validateAuthData,
 };