event handlers are not typed

从 projects/plotly/src/lib/plotly.component.ts 中第 80 行附近的 output 声明和第 241 行附近的 emission 开始。跟踪 plotlyClick output 发出的事件 payload，并为 outputs 提供一个可用的 TypeScript 类型，使其范围足够覆盖图表数据；完成的标准是消费者不再将该事件视为 void，同时发出的数据仍得到表示。

https://github.com/plotly/angular-plotly.js/blob/5201d97fc2e01e5533d08a921cd44e28265a9222/projects/plotly/src/lib/plotly.component.ts#L80

I was attempting to implement some drill down functionality in the charts in my dashboard. Unfortunately, when I bound a method in my component to the (plotlyClick) output, I noticed that the type of $event was void. But my component method typed the event as unknown anyway, and I console.log the event object, and there is a ton of information in there.

On this line: https://github.com/plotly/angular-plotly.js/blob/master/projects/plotly/src/lib/plotly.component.ts#L241

...I can see that the output indeed is emitting data, just like my logging indicated. Is there anyway we could get these outputs typed? I imagine that the type would be pretty broad due to the amount of different charts/maps out there. But TypeScript thinking that the output is void is probably worse then just not knowing what the event data looks like, but still acknowledging its existence.