Module: Roda::RodaPlugins::Component::RequestMethods

Defined in:

lib/roda/plugins/component.rb

Instance Method Summary

• #components ⇒ Object

Instance Method Details

#components ⇒ Object

# File 'lib/roda/plugins/component.rb', line 196

def components
  opal = Opal::Server.new do |s|
    # Append the gems path
    if scope.component_opts[:debug]
      s.debug      = true
      s.source_map = true
    else
      s.source_map = false
    end

    # we are loading the source maps ourselves

    s.prefix = "/#{scope.component_opts[:assets_route]}"

    s.append_path Gem::Specification.find_by_name("roda-component").gem_dir + '/lib'

    # Append the path to the components folder
    s.append_path scope.component_opts[:path]

    s.main = 'roda/component'
  end

  on self.class.component_assets_route_regex do |component, action|
    path = scope.request.env['REQUEST_PATH']

    if path[/\.js\Z/]
      run opal.sprockets
    elsif scope.component_opts[:debug]
      if path[/\.rb\Z/] && js_file = scope.request.env['PATH_INFO'].scan(/(.*\.map)/)
        scope.request.env['PATH_INFO'] = path.gsub(js_file.last.first, '').gsub("/#{scope.component_opts[:assets_route]}", '')
      end
      run Opal::SourceMapServer.new(opal.sprockets, path)
    end
  end

  on self.class.component_route_regex do |comp, type, action|
    if scope.request.env.include? 'HTTP_X_RODA_COMPONENT_ON_SERVER'
      data = JSON.parse scope.request.body.read
    else
      data = {}
    end

    if data.is_a? Array
      data = {args: data}
    end

    case type
    when 'call'
      data[:call] = action
    when 'trigger'
      data[:trigger] = action
    end

    res = scope.roda_component(comp, data)

    scope.response.headers["NEW-CSRF"] = scope.csrf_token

    if res.is_a? Hash
      scope.response.headers["Content-Type"] = 'application/json; charset=UTF-8'
      res = res.to_json
    else
      res = res.to_s
    end

    res
  end
end