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Form Group

Introduction

The form group component can be used to encapsulate an input in order to render a label and error messages automatically and consistently for you.

Basic Usage

At its most basic usage, you can render the input group with a label and your markup inside it:

<x-form-group label="First name" name="first_name">
    Input element
</x-form-group>

The form group will default the input id to the name attribute, but you can specify a different id by using the input-id attribute. The name attribute will be used for detecting and rendering errors thrown by your backend validation.

<x-form-group label="First name" name="first_name" input-id="firstName">
    Input element
</x-form-group>

Error Handling

If errors are detected, they will automatically be rendered for you, and the has-error class will be added to the form group root element for styling.

<x-form-group label="First name" name="first_name">
    Input element
</x-form-group>

If you use any of the inputs provided by this package, the aria-describedby attribute will be set on the input with the id given to the error message element.

You can disable the showing of error messages in the form group by setting the show-errors attribute to false:

<x-form-group label="First name" name="first_name" :show-errors="false">...</x-form-group>

Help Text

You can show form help text by either using the help-text attribute or the helpText slot:

Via prop:

<x-form-group label="First name" name="first_name" help-text="Some helpful text...">
    Input element
</x-form-group>

Via slot:

<x-form-group label="First name" name="first_name">
    Input element

    <x-slot name="helpText">Some helpful text...</x-slot>
</x-form-group>

Hint

Similar to help text, you may provide a "hint" text to the user. This will render the "hint" text to the right of the label above an input, or left-aligned below in input when the form-group is set to inline. We like to use this to let an end-user know that the input is optional.

<x-form-group label="First name" name="first_name" hint="Optional">...</x-form-group>

You can also have the component render the text Optional automatically for you by passing in true for the optional attribute.

<x-form-group label="First name" name="first_name" optional>...</x-form-group>

You can customize this text by modifying the config value for optional_hint_text.

Accessibility

If you use help text in the form group, you should also set the aria-describedby attribute to the id given to the help text element on your input element. This will default to "{input_id}-description".

Inline Form Groups

Instead of stacking the label on top of the input element, you can render them inline with each other. To make a form group inline, set the inline attribute to true.

<x-form-group label="First name" name="first_name" inline>
    Input element
</x-form-group>

The form-group-inline utility class provided by this package splits group into a grid, giving the label one column, and the input two columns across. If you use an input provided by this package, they default to full width, but you can limit the width by utilizing a max-w-* utility class from tailwind on the element.

Inline Group Borders

As of v4, by default the form-group component will render a border on top of each inline form group component after the first group. You can prevent this behavior by passing in false to the border attribute.

<x-form-group label="First name" name="first_name" inline :border="false">...</x-form-group>

By default, the styles will add some padding to the label's column to center align it with the input, but that may not always be desirable, such as when rendering form groups form checkbox groups. In cases like this, you can set the is-checkbox-group attribute to true, and it will not add padding to the label column.

<x-form-group label="First name" name="first_name" inline is-checkbox-group>
    Input element
</x-form-group>

Margins

As of v4, the form-group component will now add a mb-5 margin utility class to each form-group component, so each form-group has a little bit of breathing room from each other. The last form-group child in a container will have no margin bottom because of the last:mb-0 utility class. If you don't want margins to be added to each form-group, you can do the following:

<x-form-group label="First name" :margin-bottom="false">...</x-form-group>

{tip} To help space your form elements evenly in a form, you could also use a space-y-* utility class provided by tailwind on the wrapping element (usually <form>). This will take precedence over the margin utility class added by the component.

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