Fix setProps when IDs aren't provided (#166)

provide valid setProps for all components, even if they don't have an ID

construct paths on-the-fly while recursing through the tree.

.circleci/config.yml

@@ -39,14 +39,16 @@ jobs:
           name: Install dependencies (dash)
           command: |
               git clone [email protected]:plotly/dash.git
-              git clone --branch fix-prop-types [email protected]:plotly/dash-core-components.git
+              git clone [email protected]:plotly/dash-core-components.git
               git clone [email protected]:plotly/dash-html-components.git
               git clone [email protected]:plotly/dash-table.git
+              git clone [email protected]:plotly/dash-renderer-test-components
               . venv/bin/activate
               pip install -e ./dash --quiet
               cd dash-core-components && npm install --ignore-scripts && npm run build && pip install -e . && cd ..
               cd dash-html-components && npm install --ignore-scripts && npm run build && pip install -e . && cd ..
               cd dash-table && npm install --ignore-scripts && npm run build && pip install -e . && cd ..
+              cd dash-renderer-test-components && npm install --ignore-scripts && npm run build:all && pip install -e . && cd ..
 
       - run:
           name: Build

src/APIController.react.js

@@ -119,11 +119,19 @@ class UnconnectedContainer extends Component {
         ) {
             return (
                 <GlobalErrorContainer>
-                    <TreeContainer _dashprivate_layout={layout} />
+                    <TreeContainer
+                        _dashprivate_layout={layout}
+                        _dashprivate_path={[]}
+                    />
                 </GlobalErrorContainer>
             );
         } else if (appLifecycle === getAppState('HYDRATED')) {
-            return <TreeContainer _dashprivate_layout={layout} />;
+            return (
+                <TreeContainer
+                    _dashprivate_layout={layout}
+                    _dashprivate_path={[]}
+                />
+            );
         }
 
         return <div className="_dash-loading">{'Loading...'}</div>;

src/TreeContainer.js

@@ -4,7 +4,9 @@ import Registry from './registry';
 import {propTypeErrorHandler} from './exceptions';
 import {connect} from 'react-redux';
 import {
+    addIndex,
     any,
+    concat,
     contains,
     filter,
     forEach,
@@ -50,11 +52,12 @@ function validateComponent(componentDefinition) {
     }
 }
 
-const createContainer = component => isSimpleComponent(component) ?
+const createContainer = (component, path) => isSimpleComponent(component) ?
     component :
     (<AugmentedTreeContainer
         key={component && component.props && component.props.id}
         _dashprivate_layout={component}
+        _dashprivate_path={path}
     />);
 
 function CheckedComponent(p) {
@@ -87,14 +90,16 @@ CheckedComponent.propTypes = {
     id: PropTypes.string,
 };
 class TreeContainer extends Component {
-    getChildren(components) {
+    getChildren(components, path) {
         if (isNil(components)) {
             return null;
         }
 
         return Array.isArray(components) ?
-            map(createContainer, components) :
-            createContainer(components);
+            addIndex(map)(
+                (component, i) => createContainer(component, concat(path, ['props', 'children', i])),
+                components
+            ) : createContainer(components, concat(path, ['props', 'children']));
     }
 
     getComponent(_dashprivate_layout, children, loading_state, setProps) {
@@ -148,7 +153,7 @@ class TreeContainer extends Component {
             const {
                 _dashprivate_dependencies,
                 _dashprivate_dispatch,
-                _dashprivate_paths
+                _dashprivate_path
             } = this.props;
 
             const id = this.getLayoutProps().id;
@@ -165,8 +170,7 @@ class TreeContainer extends Component {
             // Always update this component's props
             _dashprivate_dispatch(updateProps({
                 props: newProps,
-                id: id,
-                itempath: _dashprivate_paths[id]
+                itempath: _dashprivate_path
             }));
 
             // Only dispatch changes to Dash if a watched prop changed
@@ -194,12 +198,13 @@ class TreeContainer extends Component {
         const {
             _dashprivate_dispatch,
             _dashprivate_layout,
-            _dashprivate_loadingState
+            _dashprivate_loadingState,
+            _dashprivate_path
         } = this.props;
 
         const layoutProps = this.getLayoutProps();
 
-        const children = this.getChildren(layoutProps.children);
+        const children = this.getChildren(layoutProps.children, _dashprivate_path);
         const setProps = this.getSetProps(_dashprivate_dispatch);
 
         return this.getComponent(_dashprivate_layout, children, _dashprivate_loadingState, setProps);
@@ -211,9 +216,9 @@ TreeContainer.propTypes = {
     _dashprivate_dispatch: PropTypes.func,
     _dashprivate_layout: PropTypes.object,
     _dashprivate_loadingState: PropTypes.object,
-    _dashprivate_paths: PropTypes.any,
     _dashprivate_requestQueue: PropTypes.any,
     _dashprivate_config: PropTypes.object,
+    _dashprivate_path: PropTypes.array,
 };
 
 function isLoadingComponent(layout) {
@@ -286,7 +291,6 @@ function getLoadingState(layout, requestQueue) {
 export const AugmentedTreeContainer = connect(
     state => ({
         dependencies: state.dependenciesRequest.content,
-        paths: state.paths,
         requestQueue: state.requestQueue,
         config: state.config
     }),
@@ -295,8 +299,8 @@ export const AugmentedTreeContainer = connect(
         _dashprivate_dependencies: stateProps.dependencies,
         _dashprivate_dispatch: dispatchProps.dispatch,
         _dashprivate_layout: ownProps._dashprivate_layout,
+        _dashprivate_path: ownProps._dashprivate_path,
         _dashprivate_loadingState: getLoadingState(ownProps._dashprivate_layout, stateProps.requestQueue),
-        _dashprivate_paths: stateProps.paths,
         _dashprivate_requestQueue: stateProps.requestQueue,
         _dashprivate_config: stateProps.config,
     })

tests/test_render.py

@@ -8,6 +8,7 @@
 from dash.development.base_component import Component
 import dash_html_components as html
 import dash_core_components as dcc
+import dash_renderer_test_components
 
 from bs4 import BeautifulSoup
 from selenium.webdriver.common.action_chains import ActionChains
@@ -2960,3 +2961,32 @@ def display_content(pathname):
                         test_cases[test_case_id]['name']
                     )
                 )
+
+    def test_set_props_behavior(self):
+        app = dash.Dash(__name__)
+        app.layout = html.Div([
+            dash_renderer_test_components.UncontrolledInput(
+                id='id',
+                value=''
+            ),
+            html.Div(
+                id='container',
+                children=dash_renderer_test_components.UncontrolledInput(
+                    value=''
+                ),
+            )
+        ])
+
+        self.startServer(
+            app,
+            debug=True,
+            use_reloader=False,
+            use_debugger=True,
+            dev_tools_hot_reload=False,
+        )
+
+        self.wait_for_element_by_css_selector('#id').send_keys('hello input with ID')
+        self.wait_for_text_to_equal('#id', 'hello input with ID')
+
+        self.wait_for_element_by_css_selector('#container input').send_keys('hello input without ID')
+        self.wait_for_text_to_equal('#container input', 'hello input without ID')