Update ESLint + fix errors

package.json

@@ -29,10 +29,10 @@
     "babel-loader": "^6.2",
     "babel-preset-es2015": "^6.6.0",
     "bower": "^1.7.7",
-    "eslint": "^2.4.0",
-    "eslint-config-airbnb": "^6.1.0",
     "html-minifier": "^1.2.0",
     "vulcanize": "^1.14.7",
+    "eslint": "^2.5.1",
+    "eslint-config-airbnb": "^6.2.0",
     "webpack": "^1.12"
   }
 }

src/components/state-history-chart-line.js

@@ -118,7 +118,7 @@ export default new Polymer({
           // value that should not be interpolated at the same time that our new
           // line will be published.
           data.push([values[0]].concat(prevValues.slice(1).map(
-            (val, index) => noInterpolations[index] ? val : null)));
+            (val, index) => (noInterpolations[index] ? val : null))));
         }
         data.push(values);
         prevValues = values;

src/dialogs/more-info-dialog.js

@@ -33,7 +33,7 @@ export default new Polymer({
       type: Object,
       bindNuclear: [
         moreInfoGetters.currentEntityHistory,
-        (history) => history ? [history] : false,
+        (history) => (history ? [history] : false),
       ],
     },
 

src/layouts/partial-dev-call-service.js

@@ -49,9 +49,9 @@ export default new Polymer({
   computeDescription(domain, service) {
     return reactor.evaluate([
       serviceGetters.entityMap,
-      map => map.has(domain) && map.get(domain).get('services').has(service) ?
-             JSON.stringify(map.get(domain).get('services').get(service).toJS(), null, 2) :
-             'No description available',
+      map => (map.has(domain) && map.get(domain).get('services').has(service) ?
+              JSON.stringify(map.get(domain).get('services').get(service).toJS(), null, 2) :
+              'No description available'),
     ]);
   },
 

src/util/attribute-class-names.js

@@ -1,6 +1,6 @@
 export default function attributeClassNames(stateObj, attributes) {
   if (!stateObj) return '';
   return attributes.map(
-    (attribute) => attribute in stateObj.attributes ? `has-${attribute}` : ''
+    (attribute) => (attribute in stateObj.attributes ? `has-${attribute}` : '')
   ).join(' ');
 }