single file view component using HTML

greeting_component.rb

# https://replit.com/@paramagician/Single-File-View-Component#app/components/greeting_component.rb

class GreetingComponent < ViewComponent::Base
  TEMPLATE = <<~HTML.freeze
    <div>
      <%= @greeting %>
    </div>
  HTML

  COMPILED_TEMPLATE = ERB.new(TEMPLATE)

  def initialize
    @greeting = 'hi'
  end

  def call
    COMPILED_TEMPLATE.result(binding)
  end
end