Build

Author: caseywebdev

react-list.js

@@ -100,7 +100,22 @@
 
   var NOOP = function NOOP() {};
 
-  var PASSIVE = { passive: true };
+  // If a browser doesn't support the `options` argument to
+  // add/removeEventListener, we need to check, otherwise we will
+  // accidentally set `capture` with a truthy value.
+  var PASSIVE = function () {
+    if (typeof window === 'undefined') return false;
+    var hasSupport = false;
+    try {
+      document.createElement('div').addEventListener('test', NOOP, {
+        get passive() {
+          hasSupport = true;
+          return false;
+        }
+      });
+    } catch (e) {}
+    return hasSupport;
+  }() ? { passive: true } : false;
 
   _module3.default.exports = (_temp = _class = function (_Component) {
     _inherits(ReactList, _Component);
@@ -157,8 +172,8 @@
       key: 'componentWillUnmount',
       value: function componentWillUnmount() {
         window.removeEventListener('resize', this.updateFrame);
-        this.scrollParent.removeEventListener('scroll', this.updateFrame);
-        this.scrollParent.removeEventListener('mousewheel', NOOP);
+        this.scrollParent.removeEventListener('scroll', this.updateFrame, PASSIVE);
+        this.scrollParent.removeEventListener('mousewheel', NOOP, PASSIVE);
       }
     }, {
       key: 'getOffset',