:mega: Dash v1.7.0 released

@Marc-Andre wrote:

Dash 1.7.0 is a minor release adding support for inline clientside callbacks, improving dcc’s Slider and RangeSlider styling and behavior, and fixing some additional bugs for async components.

Changelog
Dash v.1.7.0

Highlights

• Update to Plotly.js 1.51.2
• Additional async component fixes
• Improved dcc.Slider and dcc.RangeSlider styling
• Community contribution New inline clientside callbacks

Previous Releases

• Dash 1.6.0
• Dash 1.5.0
• Dash 1.4.0

In Depth

Inline Clientside Callbacks

import dash
import dash_html_components as html
import dash_core_components as dcc
from dash.dependencies import ClientsideFunction, Input, Output

app = dash.Dash(__name__)

app.layout = html.Div([
    dcc.Input(id='input'),
    html.Div(id='output-clientside'),
    html.Div(id='output-serverside')
])

@app.callback(
    Output('output-serverside', 'children'),
    [Input('input', 'value')])
def update_output(value):
    return 'Server says "{}"'.format(value)


app.clientside_callback(
#     ClientsideFunction(
#         namespace='clientside',
#         function_name='display'
#     ),
    """
    function (value) {
        if (value && value.indexOf('--') === 0) {
            throw window.dash_clientside.PreventUpdate;
        }

        if (value && value.indexOf('__') === 0) {
            return window.dash_clientside.no_update;
        }

        return 'Client says "' + value + '"';
    }
    """,
    Output('output-clientside', 'children'),
    [Input('input', 'value')]
)

if __name__ == "__main__":
    app.run_server(port=8070)

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