Use Prettier JS (#5017)

* Adds prettier

* Run lint before tests

src/cloud-code/HTTPResponse.js

@@ -12,7 +12,7 @@ export default class HTTPResponse {
     let _text, _data;
     this.status = response.statusCode;
     this.headers = response.headers || {};
-    this.cookies = this.headers["set-cookie"];
+    this.cookies = this.headers['set-cookie'];
 
     if (typeof body == 'string') {
       _text = body;
@@ -29,29 +29,33 @@ export default class HTTPResponse {
         _text = JSON.stringify(_data);
       }
       return _text;
-    }
+    };
 
     const getData = () => {
       if (!_data) {
         try {
           _data = JSON.parse(getText());
-        } catch (e) { /* */ }
+        } catch (e) {
+          /* */
+        }
       }
       return _data;
-    }
+    };
 
     Object.defineProperty(this, 'body', {
-      get: () => { return body }
+      get: () => {
+        return body;
+      },
     });
 
     Object.defineProperty(this, 'text', {
       enumerable: true,
-      get: getText
+      get: getText,
     });
 
     Object.defineProperty(this, 'data', {
       enumerable: true,
-      get: getData
+      get: getData,
     });
   }
 }