Rails渲染JavaScript显示文本 [英] Rails render javascript shows text

问题描述

我不确定这种行为是否正常，但是当我这样做时:

I'm not sure if this behavior is normal or not, but when I do:

render js: "window.location.pathname = '#{new_user_session_path}';"

在我的控制器中，在执行该行并成功重定向之前，它会短暂显示文本 window.location.pathname ='/user/sign_in'; .

in my controller, it briefly displays the text window.location.pathname = '/user/sign_in'; before executing the line and redirecting successfully.

这是完整的控制器操作:

Here's the full controller action:

def vote_down
    if user_signed_in?
      current_user.vote_exclusively_against(@deal = Deal.find(params[:id]))

      render :partial => 'deals/partials/interaction', 
        :locals => {:deal => @deal, :votes_for => @deal.votes_for, :votes_against => @deal.votes_against}
    else
      render js: "window.location.pathname = '#{new_user_session_path}';"
      flash[:error] = 'Please sign in to vote.'
    end
  end

如何防止这种情况发生并直接呈现该模板?

How do I prevent this from happening and directly render that template?

推荐答案

为什么不仅仅使用rails控制器路由来重定向回new_user_session_path?

Why not just use the rails controller routing to redirect back to new_user_session_path?

respond_to do |format|
   format.html { redirect_to new_user_session_path, error: 'Please sign in to vote.' }
end

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