vuejs / vuejs/devtools

Slow the page a lot when too much component

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#791 2 comments 7 reactions 0 assignees View on GitHub

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Dominant language
TypeScript
Stars
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Forks
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Description

We have a page with a lot of component (between 2000 and 10000 mounted components), it stays performant until we open the inspector with vue devtools, and then everything is very slow, sometimes the page is even blocked.

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First steps

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  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

Reproduce the slowdown with a page containing 2,000–10,000 mounted components, then open the Vue devtools inspector and profile the resulting blockage. The issue is resolved when inspecting such a page no longer makes it very slow or blocks the page.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
devtools, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
42/100

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