// our example model is just an Array
var categories = [
    {'environment': 'Battle'},
    {'environment': 'Shops'},
    {'environment': 'Nature - Day'},
    {'environment': 'Nature - Night'},
    {'environment': 'Pub'}
];
export default categories;

@@ -213,16 +213,52 @@
 : 'Pub'%7D
+,%0A    %7B'environment': 'Pub - Night'%7D
 %0A%5D;%0Aexpo

Update categories.js