lib/react/rails/controller_renderer.rb
# frozen_string_literal: true
module React
module Rails
# A renderer class suitable for `ActionController::Renderers`.
# It is associated to `:component` in the Railtie.
#
# It is prerendered by default with {React::ServerRendering}.
# Set options[:prerender] to `false` to disable prerendering.
#
# @example Rendering a component from a controller
# class TodosController < ApplicationController
# def index
# @todos = Todo.all
# render component: 'TodoList', props: { todos: @todos }, tag: 'span', class: 'todo'
# end
# end
class ControllerRenderer
include React::Rails::ViewHelper
include ActionView::Helpers::TagHelper
include ActionView::Helpers::TextHelper
attr_accessor :output_buffer
def initialize(options = {})
controller = options[:controller]
@__react_component_helper = controller.__react_component_helper
end
# @return [String] HTML for `component_name` with `options[:props]`
def call(component_name, options, &block)
props = options.fetch(:props, {})
options = default_options.merge(options.slice(:data, :aria, :tag, :class, :id, :prerender, :camelize_props))
react_component(component_name, props, options, &block)
end
private
def default_options
{ prerender: true }
end
end
end
end