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Craft Class Variance Authority

Craft Class Variance Authority

Class Variance Authority plugin for CraftCMS.

Requirements

This plugin requires Craft CMS 4.8.0 or later, and PHP 8.1.0 or later.

Installation

You can install this plugin from the Plugin Store or with Composer.

From the Plugin Store

Go to the Plugin Store in your project’s Control Panel and search for “cva”. Then press “Install”.

With Composer

Open your terminal and run the following commands:

# go to the project directory
cd /path/to/my-project.test

# tell Composer to load the plugin
composer require wrux/craft-cva

# tell Craft to install the plugin
./craft plugin/install craft-cva

Usage

This plugin provides utility functions for generating HTML class names and component variants.

CX

The cx function is a utility for generating class names. It's inspired by the clsx JavaScript package.

{# Generate a single class name #}
{{ cx('text-red-500') }}
{# Output: `text-red-500` #}

{# Generate multiple class names #}
{{ cx('text-red-500', 'bg-blue-500') }}
{# Output: `text-red-500 bg-blue-500` #}

{# Generate class names based on a condition #}
{{ cx('text-red-500', 'bg-blue-500', { 'text-lg': true, 'text-sm': false }) }}
{# Output: `text-red-500 bg-blue-500 text-lg` #}

CVA

The cva function is a utility for generating component variants. It's inspired by the class-variance-authority JavaScript package.

{# Create the component configuration #}
{% set button = cva('block outline-none', {
  variants: {
    display: {
      primary: [
        'bg-blue-500 text-white',
      ],
      secondary: [
        'bg-purple-500 text-white',
      ],
    },
    size: {
      base: [
        'py-2 px-4 text-base',
      ],
      large: [
        'py-3 p-6 text-lg',
      ],
    },
  },
  defaultVariants: {
    display: 'primary',
    size: 'base',
  },
}) %}

{# Generate various button variants #}

<button class="{{ button.generate() }}">
  Click me
</button>
{#
Output:
<button class="block outline-none bg-blue-500 text-white py-2 px-4 text-base">
  Click me
</button>
#}

<button class="{{ button.generate({ display: 'secondary' }) }}">
  Click me
</button>
{#
Output:
<button class="block outline-none bg-purple-500 text-white py-2 px-4 text-base">
  Click me
</button>
#}

<button class="{{ button.generate({ display: 'primary', size: 'large' }) }}">
  Click me
</button>
{#
Output:
<button class="block outline-none bg-blue-500 text-white py-3 p-6 text-lg">
  Click me
</button>
#}