Should we expose an official version of Fx.hover that works for all subplot types?

Hello,

I recently switched my app from using scatter to scattergl and realized that the Fx.hover method does not work correctly for that plot type. This codepen shows that the change to scattergl breaks the hover call. I did not see this listed anywhere as a gl2d limitation so I wanted to get it out there. I also realize that the plan is for Fx to be removed in the future however I was hoping there may be some plan to amend the hover method to work with scattergl.

A quick look through made it seem like one of the sticking points is that the hover method is looking for a "hoveron" field in the trace which is not present for scattergl. It is then set to an empty string and the hover code moves on without looking for any points to execute the hover on.

Thanks!

首先使用 scatter 和 scattergl 复现链接的 CodePen，然后检查现有的 Fx.hover 入口点以及它如何处理 trace 的 hoveron 字段。明确项目是否需要支持所有 subplot 类型的官方 hover API，并将完成标准定义为 scattergl 具有一致的 hover 行为，而不依赖未文档化的限制。