Dropdown 'x' button throws error #91
Description
The following code implements a simple Dropdown that updates a Div element.
import dash
import dash_core_components as dcc
import dash_html_components as html
from dash.dependencies import Input, Output
app = dash.Dash()
app.layout = html.Div([
html.H1(children='Dropdown test'),
dcc.Dropdown(
id='test-selector',
placeholder='Select a value',
options=[{'label':'foo', 'value':0},{'label':'bar', 'value':1},{'label':'baz', 'value':2}],
),
html.Div(
id='foobar'
)
])
@app.callback(
Output(component_id='foobar', component_property='children'),
[Input(component_id='test-selector', component_property='value')]
)
def test_interaction(value):
print(value)
return value
if __name__ == '__main__':
app.run_server(debug=True)
If you click the second or third options, a small "x" button appears on the right end of the component.
I expected the dropdown to be cleared of any selection I clicked the 'x'. Instead, I get the following error in the console:
Uncaught TypeError: Cannot read property 'value' of null
at Object.onChange (https://unpkg.com/dash-core-components@0.5.3/dash_core_components/bundle.js:13:31574)
at Object.setValue (https://unpkg.com/dash-core-components@0.5.3/dash_core_components/bundle.js:11:11319)
at Object.clearValue (https://unpkg.com/dash-core-components@0.5.3/dash_core_components/bundle.js:11:12224)
at Object.r (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:14:5395)
at a (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:12:22306)
at Object.s [as executeDispatchesInOrder] (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:12:22496)
at f (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:12:18835)
at m (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:12:18961)
at Array.forEach (native)
at r (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:15:12116)
at Object.processEventQueue (https://unpkg.com/react-dom@15.4.2/dist/react-dom.min.js:12:20039)
I am using the following versions:
>>> dash.__version__
'0.17.7'
>>> dcc.__version__
'0.5.3'
>>>