Fix reload

CHANGELOG.md

@@ -2,8 +2,14 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## [UNRELEASED] - 2018-12-17
-### Removed
+## [UNRELEASED] 
+### Fixed - 2018-12-19
+[#110](https://github.com/plotly/dash-renderer/pull/110)
+
+- Keep the config store state on soft reload.
+- AppProvider returns `Loading...` if no configs as before #108
+
+### Removed - 2018-12-17
 - Unused login api and Authentication component [#108](https://github.com/plotly/dash-renderer/pull/108)
 
 ## [0.16.1] - 2018-12-14

src/AppContainer.react.js

@@ -7,6 +7,8 @@ import Loading from './components/core/Loading.react';
 import Toolbar from './components/core/Toolbar.react';
 import Reloader from './components/core/Reloader.react';
 import {readConfig} from './actions';
+import {type} from 'ramda';
+
 
 class UnconnectedAppContainer extends React.Component {
 
@@ -16,6 +18,10 @@ class UnconnectedAppContainer extends React.Component {
     }
 
     render() {
+        const {config} = this.props;
+        if (type(config) === 'Null') {
+            return <div className="_dash-loading">Loading...</div>;
+        }
         return (
             <div>
                 <Toolbar />
@@ -30,11 +36,13 @@ class UnconnectedAppContainer extends React.Component {
 
 UnconnectedAppContainer.propTypes = {
     dispatch: PropTypes.func,
+    config: PropTypes.object,
 };
 
 const AppContainer = connect(
     state => ({
         history: state.history,
+        config: state.config,
     }),
     dispatch => ({dispatch})
 )(UnconnectedAppContainer);

src/reducers/reducer.js

@@ -94,9 +94,9 @@ function recordHistory(reducer) {
 function reloaderReducer(reducer) {
     return function(state, action) {
         if (action.type === 'RELOAD') {
-            const {history} = state;
+            const {history, config} = state;
             // eslint-disable-next-line no-param-reassign
-            state = {history};
+            state = {history, config};
         }
         return reducer(state, action);
     };