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GeezerVison is showing github.com — event handlers are not typed · Issue #283 · plotly/angular-plotly.js

event handlers are not typed #283

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#367
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event handlers are not typed#283
#367
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@jakehockey10
jakehockey10
opened on Jul 29, 2025
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angular-plotly.js/projects/plotly/src/lib/plotly.component.ts

Line 80 in 5201d97

plotlyClick = output();

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.

Activity

  1. gh-evan-ollivier
    added a commit that references this issue on Oct 7, 2025

    fix: plotly#283 Attempt to provide better typings to event handlers

    This issue will close once commit 434eb6c is merged into the 'master' branch.
    434eb6c
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