Module: Shadcn::Rails::Helpers::ClassNameHelper

Extended by:

ActiveSupport::Concern

Included in:

BaseComponent

Defined in:

lib/shadcn/rails/helpers/class_name_helper.rb

Overview

Helper module providing the cn() function for merging Tailwind CSS classes This is the Ruby equivalent of shadcn/ui's cn() utility

Instance Method Summary

• #cn(*args) ⇒ String (also: #class_names)

  Merge CSS classes intelligently, handling Tailwind class conflicts Similar to clsx + tailwind-merge in JavaScript.

Instance Method Details

#cn(*args) ⇒ String Also known as: class_names

Merge CSS classes intelligently, handling Tailwind class conflicts Similar to clsx + tailwind-merge in JavaScript

Examples:

Basic usage

cn("px-4 py-2", "bg-blue-500") # => "px-4 py-2 bg-blue-500"

With conditionals

cn("base-class", { "active" => is_active, "disabled" => is_disabled })

Overriding classes

cn("px-4", "px-8") # => "px-8" (later class wins for same property)

Parameters:

• Classes to merge

Returns:

• Merged class string

# File 'lib/shadcn/rails/helpers/class_name_helper.rb', line 26

def cn(*args)
  Shadcn::Rails::ClassMerger.merge(*args)
end