Extracted Views

class PostsController < ApplicationController
  def index
    @posts = Post.all
    render component(Posts::Index)
  end
end

class Posts::Index < ApplicationView
  attr_writer :posts

  def view_template
    h1 { "Posts" }
    ul {
      @posts.each do |post|
        li { post.title }
      end
    }
  end
end