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Custom Select

Introduction

Heavily based on Tailwind UI's custom selects, the custom-select component provides a nice alternative to the native select menu. Using this menu will provide your select menus with search functionalities and custom option markup while still providing usability functionalities such as keyboard navigation.

Installation

The custom select component requires Alpine.js, as well as some custom JavaScript written into the package to work. Ensure you have the proper directives in your layout file. In production, we recommend you install and compile the JavaScript libraries before you deploy:

Basic Usage

You can use the select menu by providing some basic options.

<x-custom-select :options="['foo', 'bar']" />

This will output a custom select menu with options for foo and bar. The menu is toggled open and closed by using a <button element, and renders each option in an <li> tag inside of a <ul>. We have done our best to include all of the necessary aria attributes for accessiblity, but we are by no means accessibility experts. If you notice any accessibility issues, please submit a PR to the github repository to fix them.

Options

There are multiple ways ot provide options to the component. The primary way is to provide an array of options via the options attribute. If you provide an array of strings, the component will use the strings as both the key and values of the options. For most cases however, you should provide an array of keyed arrays for each option, or you can even pass in an array of Eloquent models as options.

<x-custom-select :options="[
    ['value' => 'foo', 'text' => 'Foo'],
    ['value' => 'bar', 'text' => 'Bar'],
]" />

<!-- using models -->
<x-custom-select :options="[\App\Models\User::get(['id', 'name'])]" value-key="id" text-key="name" />

Option Values & Text

By default, the component will look for a value key for the option value, and a text key for the option text. When you are using Eloquent models for options, most of the time this won't work. For this reason, you can specify which keys the option should use for the value and text of the option via value-key and text-key.

Manually Creating Options

Instead of passing in options to the custom select component, you can also create your own options via the default slot in the component by using the custom-select-option component. This component accepts an option attribute, and optionally a value-key attribute for the option's value, and text-key attribute for the option's text content.

<x-custom-select-option :option="$user" value-key="id" text-key="name" />

The custom-select-option also has a default slot which will allow you to customize the markup of the content of the option.

<x-custom-select-option :option="$user" value-key="id" text-key="name">
    {{ $user->name }} <span class="text-xs">@{{ $user->email }}</span>
</x-custom-select-option>

In either case, you still need to provide the option attribute, and then any value/text mapping you need. The option attribute is used by the package's JavaScript to help with keyboard navigation and also for local filtering of options if you have filters enabled on the select.

{note} Any content you place inside of the option will also be displayed on the button when the option is selected.

Disabling Options

You may disable specific options by providing a boolean value of true to the component:

<x-custom-select-option :option="$option" disabled />

Opt Groups

You can specify an option as an "optgroup" header by passing in a boolean true value to the is-group attribute:

<x-custom-select-option is-group>Group Name</x-custom-select-option>

Filtering

You may provide search functionality on a custom select by setting filterable on the component to true.

<x-custom-select :options="$options" filterable />

This will provide basic search functionality, which will hide any non-matching options as the user types.

Server-Side Filtering

If you use Livewire, you can easily add server-side filtering of options via a custom wire:filter attribute on the component.

<x-custom-select :options="$options" filterable wire:filter="selectSearch" />

Behind-the-scenes, the custom select component will convert that to a wire:model on the filter input in the select and bind it to your public property on your livewire component. From there, you can filter out your options based on the value of the filter. Modifiers such as .lazy or .defer are also supported on the wire:filter attribute.

<x-custom-select :options="$options" filterable wire:filter.lazy="selectSearch" />

Multiple Select

You can easily make a select accept multiple selected options by using the multiple attribute.

<x-custom-select :options="$options" multiple />

Optional Selects

For times that you want to allow users to clear the select option(s), you can mark a custom select as optional. This works for both single and multi-select modes, and provides a clear button next to the selected option text.

<x-custom-select :options="$options" optional />

Fixed Positioning

By default, the custom select menu is positioned absolutely. In most cases, this should be fine, but there may be times where this breaks the layout of your form. In those cases, you may tell the menu to be fixed positioned. This will tell the menu to calculate where the menu should be positioned when it is opened.

<x-custom-select :options="$options" fixed-position />

Addons

The custom select component supports leading addons, but since there are already elements appended to the end of the button trigger, trailing addons are not supported. For more information on addons, see the input documentation.

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