skip display of "onPageComplete" if no content

Author: ShMcK

lib/components/Page/TasksComplete/index.js

@@ -27,6 +27,9 @@ var TasksComplete = (function (_super) {
     }
     TasksComplete.prototype.render = function () {
         var onPageComplete = this.props.onPageComplete;
+        if (!onPageComplete || !onPageComplete.length) {
+            return React.createElement("div", null);
+        }
         return (React.createElement(Card_1.Card, {style: styles.card}, 
             React.createElement(Card_1.CardText, null, 
                 React.createElement(index_1.Markdown, {style: styles.text, children: onPageComplete})

src/components/Page/TasksComplete/index.tsx

@@ -22,6 +22,9 @@ class TasksComplete extends React.Component<{
 }, {}> {
   public render() {
     const {onPageComplete} = this.props;
+    if (!onPageComplete || !onPageComplete.length) {
+      return <div />;
+    }
     return (
       <Card style={styles.card}>
         <CardText>