view_component issue

icon_component.rb

# frozen_string_literal: true

# app/components/icon/component.rb (using sidecar assets via the view_component-contrib gem)
module Icon
  class Component < ApplicationViewComponent
    DEFAULT_SIZE = :base
    SIZES = %i[xxs xs sm base lg xl xxl].freeze
    SIZE_MAPPINGS = {
      xxs: 'fa-2xs',
      xs: 'fa-xs',
      sm: 'fa-sm',
      base: '',
      lg: 'fa-lg',
      xl: 'fa-xl',
      xxl: 'fa-2xl'
    }.freeze

    DEFAULT_STYLE = :solid
    STYLES = %i[brands duotone light regular solid thin].freeze
    STYLE_MAPPINGS = {
      brands: 'fab',
      duotone: 'fad',
      light: 'fal',
      regular: 'far',
      solid: 'fas',
      thin: 'fat'
    }.freeze
  end

  def initialize(icon:, style: DEFAULT_STYLE, size: DEFAULT_SIZE, **options)
    super

    @icon = icon
    @style = style
    @size = size
    @options = options
  end

  def call
    tag.i content_tag_options
  end

  def classes
    "fa #{STYLE_MAPPINGS[@style]} #{SIZE_MAPPINGS[@size]} #{@icon}"
  end

  def content_tag_options
    options = @options.except(:icon, :size, :style)
    options[:class] = classes

    options
  end
end

index.html.erb

<%= render Test::Component.new %>
<%= render Icon::Component.new %>

test_component.rb

# frozen_string_literal: true

# app/components/test/component.rb
module Test
  class Component < ApplicationViewComponent
    def call
      content_tag :p, 'Test!'
    end
  end
end