Fixes #294

src/components/manager.js

@@ -465,6 +465,7 @@ export default class Manager extends Component {
     });
   }
   render() {
+    if (this.props.route.slide === null) return false;
     const globals = this.props.route.params.indexOf('export') !== -1
       ? {
           body: Object.assign(this.context.styles.global.body, {

src/reducers/route.js

@@ -1,24 +1,33 @@
 import { handleActions } from 'redux-actions';
 
-const reducer = handleActions({
-  UPDATE_ROUTE: (state, action) => {
-    const { location, slideCount } = action.payload;
-    const slideHash = location.pathname.replace(/\//g, '');
-    let slide;
+const reducer = handleActions(
+  {
+    UPDATE_ROUTE: (state, action) => {
+      const { location, slideCount } = action.payload;
+      const slideHash = location.pathname.replace(/\//g, '');
+      let slide;
 
-    if (isNaN(parseInt(slide))) {
-      slide = slideHash;
-    } else {
-      const proposedSlideIndex = parseInt(location.pathname.replace(/\//g, ''));
-      const isWithinBounds = proposedSlideIndex < slideCount && proposedSlideIndex >= 0;
-      slide = isWithinBounds ? proposedSlideIndex : 0;
-    }
+      if (isNaN(parseInt(slide))) {
+        slide = slideHash;
+      } else {
+        const proposedSlideIndex = parseInt(
+          location.pathname.replace(/\//g, '')
+        );
+        const isWithinBounds =
+          proposedSlideIndex < slideCount && proposedSlideIndex >= 0;
+        slide = isWithinBounds ? proposedSlideIndex : 0;
+      }
 
-    return Object.assign({}, {
-      slide,
-      params: location.search.replace('?', '').split('&')
-    });
-  }
-}, { slide: 0, params: [] });
+      return Object.assign(
+        {},
+        {
+          slide,
+          params: location.search.replace('?', '').split('&'),
+        }
+      );
+    },
+  },
+  { slide: null, params: [] }
+);
 
 export default reducer;