Add move ifs out into filter methods

9 years ago · 7ef7991589
1 changed files with 5 additions and 8 deletions
--- a/src/index.js
+++ b/src/index.js
@ -3,14 +3,11 @@ import { jsdom } from 'jsdom';
 module.exports = (props) => {
  const window = jsdom('<html><body></body></html>').defaultView;

-  Object.keys(window).forEach(prop => {
-    if(typeof global[prop] === 'undefined') {
-      if(props instanceof Array && props.indexOf(prop) === -1) {
-        return;
-      }
-      global[prop] = window[prop];
-    }
-  });
+  Object
+    .keys(window)
+    .filter(prop => typeof global[prop] === 'undefined')
+    .filter(prop => !(props instanceof Array && props.indexOf(prop) === -1))
+    .forEach(prop => global[prop] = window[prop]);

  return window;
 };