Merge pull request #264 from brigade/pure

Extend React.PureComponent instead of React.Component
civiccc · Jul 9, 2018 · 5e3ec79 · 5e3ec79
2 parents 8aa4e02 + a15c833
commit 5e3ec79
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/src/waypoint.jsx b/src/waypoint.jsx
@@ -22,10 +22,13 @@ const defaultProps = {
   fireOnRapidScroll: true,
 };
 
-/**
- * Calls a function when you scroll to the element.
- */
-export default class Waypoint extends React.Component {
+// React.PureComponent was added in React 15.3.0
+const BaseClass = typeof React.PureComponent !== 'undefined' ?
+  React.PureComponent :
+  React.Component;
+
+// Calls a function when you scroll to the element.
+export default class Waypoint extends BaseClass {
   constructor(props) {
     super(props);