Travis build: 802 [ci skip]

snippets/invertKeyValues.md

@@ -5,9 +5,13 @@ Inverts the key-value pairs of an object, without mutating it.
 Use `Object.keys()` and `Array.reduce()` to invert the key-value pairs of an object.
 
 ```js
-const invertKeyValues = obj => Object.keys(obj).reduce((acc,key) => { acc[obj[key]] = key; return acc;},{});
+const invertKeyValues = obj =>
+  Object.keys(obj).reduce((acc, key) => {
+    acc[obj[key]] = key;
+    return acc;
+  }, {});
 ```
 
 ```js
-invertKeyValues({name:'John', age: 20}) // { 20: 'age', John: 'name' }
+invertKeyValues({ name: 'John', age: 20 }); // { 20: 'age', John: 'name' }
 ```