How to display a datepicker on symfony?

@cortez.connelly 

To display a datepicker on Symfony, you can use a popular JavaScript library called jQuery UI. Here are the steps to do so:

1. Install jQuery UI: You can either download the library manually and include it in your project, or you can use a package manager like npm or yarn to install it.
2. Include jQuery and jQuery UI in your Symfony project: You can do this by adding the following lines in your base template or layout file:

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<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>

1. Create a form field: In your Symfony form class, add a field for the datepicker. For example, suppose you have a form class called ExampleFormType:

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use SymfonyComponentFormExtensionCoreTypeDateType;

class ExampleFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            // ...
            ->add('date', DateType::class, [
                'widget' => 'single_text',
                'html5' => false,
                'attr' => ['class' => 'datepicker'],
            ])
            // ...
        ;
    }
}

In the above example, you use the DateType form field type with some additional options. The widget option is set to single_text to render a single text input field for the datepicker. The html5 option is set to false to disable the HTML5 date input type. The attr option is used to add the class datepicker to the field.

1. Initialize the datepicker: In your JavaScript file, use the class datepicker to target the input field and initialize the datepicker. For example:

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$(document).ready(function(){
    $('.datepicker').datepicker({
        dateFormat: 'yy-mm-dd',
        // other options...
    });
});

Make sure the jQuery code is placed after the inclusion of jQuery and jQuery UI libraries.

By following these steps, you should be able to display a datepicker on Symfony using jQuery UI.