fix testPassive

evenchange4 · web-flow · commit 5854e6d6abdb · 2019-05-31T14:13:50.000+08:00
diff --git a/index.js b/index.js
@@ -4,6 +4,9 @@ let _throttle = require('lodash.throttle')
 
 let supportsPassive = false
 try {
+  if (typeof window === 'undefined') {
+    return;
+  }
   var opts = Object.defineProperty({}, 'passive', {
     get: function() {
       supportsPassive = true
