Eslint rule for block curlies (#3955)

* Add curly rule

* Fix pre-existing issues with new rule

js/src/views/Accounts/List/list.js

@@ -134,16 +134,24 @@ class List extends Component {
       const balanceA = balances[accountA.address];
       const balanceB = balances[accountB.address];
 
-      if (!balanceA && !balanceB) return 0;
-      if (balanceA && !balanceB) return -1;
-      if (!balanceA && balanceB) return 1;
+      if (!balanceA && !balanceB) {
+        return 0;
+      } else if (balanceA && !balanceB) {
+        return -1;
+      } else if (!balanceA && balanceB) {
+        return 1;
+      }
 
       const ethA = balanceA.tokens.find(token => token.token.tag.toLowerCase() === 'eth');
       const ethB = balanceB.tokens.find(token => token.token.tag.toLowerCase() === 'eth');
 
-      if (!ethA && !ethB) return 0;
-      if (ethA && !ethB) return -1;
-      if (!ethA && ethB) return 1;
+      if (!ethA && !ethB) {
+        return 0;
+      } else if (ethA && !ethB) {
+        return -1;
+      } else if (!ethA && ethB) {
+        return 1;
+      }
 
       return -1 * ethA.value.comparedTo(ethB.value);
     }
@@ -159,9 +167,13 @@ class List extends Component {
         .sort()
         .join('');
 
-      if (!tagsA && !tagsB) return 0;
-      if (tagsA && !tagsB) return -1;
-      if (!tagsA && tagsB) return 1;
+      if (!tagsA && !tagsB) {
+        return 0;
+      } else if (tagsA && !tagsB) {
+        return -1;
+      } else if (!tagsA && tagsB) {
+        return 1;
+      }
 
       return tagsA.localeCompare(tagsB);
     }

js/src/views/Contract/Queries/inputQuery.js

@@ -95,7 +95,10 @@ export default class InputQuery extends Component {
       return (<LinearProgress mode='indeterminate' />);
     }
 
-    if (!results || results.length < 1) return null;
+    if (!results || results.length < 1) {
+      return null;
+    }
+
     return outputs
       .map((out, index) => ({
         name: out.name,
@@ -181,7 +184,9 @@ export default class InputQuery extends Component {
   }
 
   renderValue (value) {
-    if (!value) return 'no data';
+    if (!value) {
+      return 'no data';
+    }
 
     const { api } = this.context;