Adds liniting into the workflow (#3082)

* initial linting of src

* fix indent to 2 spaces

* Removes unnecessary rules

* ignore spec folder for now

* Spec linting

* Fix spec indent

* nits

* nits

* no no-empty rule

src/Controllers/HooksController.js

@@ -51,8 +51,7 @@ export class HooksController {
     return this._removeHooks({ className: className, triggerName: triggerName });
   }
 
-  _getHooks(query = {}, limit) {
-    let options = limit ? { limit: limit } : undefined;
+  _getHooks(query = {}) {
     return this.database.find(DefaultHooksCollectionName, query).then((results) => {
       return results.map((result) => {
         delete result.objectId;
@@ -113,7 +112,7 @@ export class HooksController {
     }
 
     return this.addHook(hook);
-  };
+  }
 
   createHook(aHook) {
     if (aHook.functionName) {
@@ -134,7 +133,7 @@ export class HooksController {
     }
 
     throw new Parse.Error(143, "invalid hook declaration");
-  };
+  }
 
   updateHook(aHook) {
     if (aHook.functionName) {
@@ -153,7 +152,7 @@ export class HooksController {
       });
     }
     throw new Parse.Error(143, "invalid hook declaration");
-  };
+  }
 }
 
 function wrapToHTTPRequest(hook, key) {
@@ -170,7 +169,7 @@ function wrapToHTTPRequest(hook, key) {
       jsonBody.original = req.original.toJSON();
       jsonBody.original.className = req.original.className;
     }
-    let jsonRequest = {
+    let jsonRequest: any = {
       headers: {
         'Content-Type': 'application/json'
       },