plotly / plotly/react-plotly.js

Plotly selection state is lost when re-rendering.

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Dominant language
JavaScript
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Description

This codepen shows the issue: https://codepen.io/dylanvann/pen/OYaedz

The onHover handler forces a re-render.

Whenever the Plot is re-rendered some state is lost. In particular the selection is lost.

How it behaves when re-rendering (selection box is not maintained):

selection

How it behaves when not re-rendering (selection box is maintained):

better-selection

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the CodePen reproduction and trace the onHover-triggered re-render in the react-plotly.js component. Verify how Plotly selection state is handled across re-renders, and consider the work done when the selection box remains visible after hovering causes a re-render.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, react
Domain
data-visualization, frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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