feat(lint): prefer spread over Object.assign call

.eslintrc

@@ -14,7 +14,8 @@
   "parser": "babel-eslint",
   "plugins": [
     "react",
-    "import"
+    "import",
+    "prefer-object-spread"
   ],
   "settings": {
     "import/ignore": [
@@ -260,6 +261,8 @@
     "import/no-duplicates": 2,
     "import/newline-after-import": 2,
     "import/unambiguous": 2,
-    "import/extensions": [ 0, "always" ]
+    "import/extensions": [ 0, "always" ],
+
+    "prefer-object-spread/prefer-object-spread": 2
   }
 }

common/models/promo.js

@@ -41,7 +41,10 @@ export default function promo(Promo) {
           .then(function({ count = 0 } = {}) {
             log('job', count);
             if (count) {
-              return Object.assign({}, promo, { name: `${code} Discount` });
+              return {
+                ...promo,
+                name: `${code} Discount`
+              };
             }
             return Promise.reject(new Error(
               `Job ${id} not found`

common/utils/jsonp$.js

@@ -15,15 +15,12 @@ export function jsonp$(options) {
   }
 
   return new AnonymousObservable(function(o) {
-    const settings = Object.assign(
+    const settings = {
-      {},
-      {
       jsonp: 'JSONPCallback',
       async: true,
-        jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36)
+      jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36),
-      },
+      ...options
-      options
+    };
-    );
 
     let script = root.document.createElement('script');
     script.type = 'text/javascript';

package.json

@@ -132,6 +132,7 @@
     "del": "^2.2.0",
     "eslint": "^3.1.0",
     "eslint-plugin-import": "^2.0.1",
+    "eslint-plugin-prefer-object-spread": "^1.1.0",
     "eslint-plugin-react": "^6.2.0",
     "gulp": "^3.9.0",
     "gulp-babel": "^6.1.1",

server/boot/commit.js

@@ -114,14 +114,12 @@ export default function commit(app) {
           }
           res.render(
             'commit/',
-            Object.assign(
             {
               title: 'Commit to a nonprofit. Commit to your goal.',
-                pledge
+              pledge,
-              },
+              ...commitGoals,
-              commitGoals,
+              ...nonprofit
-              nonprofit
+            }
-            )
           );
         },
         next
@@ -143,14 +141,12 @@ export default function commit(app) {
       .flatMap(oldPledge => {
         // create new pledge for user
         const pledge = Pledge(
-          Object.assign(
           {
             amount,
             goal,
-              userId: user.id
+            userId: user.id,
-            },
+            ...nonprofit
-            nonprofit
+          }
-          )
         );
 
         if (oldPledge) {