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(
-      {},
-      {
-        jsonp: 'JSONPCallback',
-        async: true,
-        jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36)
-      },
-      options
-    );
+    const settings = {
+      jsonp: 'JSONPCallback',
+      async: true,
+      jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36),
+      ...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

@@ -106,22 +106,20 @@ export default function commit(app) {
             req.flash('info', {
               msg: dedent`
                 Looks like you already have a pledge to ${pledge.displayName}.
-                Clicking "Commit" here will replace your old commitment. If you 
-                do change your commitment, please remember to cancel your 
+                Clicking "Commit" here will replace your old commitment. If you
+                do change your commitment, please remember to cancel your
                 previous recurring donation directly with ${pledge.displayName}.
               `
             });
           }
           res.render(
             'commit/',
-            Object.assign(
-              {
-                title: 'Commit to a nonprofit. Commit to your goal.',
-                pledge
-              },
-              commitGoals,
-              nonprofit
-            )
+            {
+              title: 'Commit to a nonprofit. Commit to your goal.',
+              pledge,
+              ...commitGoals,
+              ...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
-            },
-            nonprofit
-          )
+          {
+            amount,
+            goal,
+            userId: user.id,
+            ...nonprofit
+          }
         );
 
         if (oldPledge) {
@@ -173,7 +169,7 @@ export default function commit(app) {
             msg: dedent`
               Congratulations, you have committed to giving
               ${displayName} $${amount} each month until you have completed
-              your ${goal}. Please remember to cancel your pledge directly 
+              your ${goal}. Please remember to cancel your pledge directly
               with ${displayName} once you finish.
             `
           });
@@ -223,13 +219,13 @@ export default function commit(app) {
       .subscribe(
         pledge => {
           let msg = dedent`
-            You have successfully stopped your pledge. Please 
-            rememberto cancel your recurring donation directly  
+            You have successfully stopped your pledge. Please
+            remember to cancel your recurring donation directly
             with the nonprofit if you haven't already done so.
           `;
           if (!pledge) {
             msg = dedent`
-              It doesn't look like you had an active pledge, so 
+              It doesn't look like you had an active pledge, so
               there's no pledge to stop.
             `;
           }