server-side stimulate

stimulate.rb

    def stimulate(target, data)
      dataset = {}
      data.each do |k, v|
        dataset["data-#{k}"] = v.to_s
      end
      channel.receive({
        "target" => target,
        "attrs" => element.attributes.to_h.symbolize_keys,
        "dataset" => dataset
      })
    end

Thanks + credit: @joshleblanc