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fix(v2): remove event listeners on Tabs component unmount #3599

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merged 1 commit into from
Oct 16, 2020

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lex111
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@lex111 lex111 commented Oct 16, 2020

Motivation

The following warning is currently displayed in the console when using tabs:

Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in a useEffect cleanup function. in Tabs (created by MDXCreateElement)

To get rid of this error we need to remove the event listeners.

Have you read the Contributing Guidelines on pull requests?

Yes

Test Plan

Preview.

Related PRs

(If this PR adds or changes functionality, please take some time to update the docs at https://github.com/facebook/docusaurus, and link to your PR here.)

@lex111 lex111 added the pr: bug fix This PR fixes a bug in a past release. label Oct 16, 2020
@lex111 lex111 requested a review from slorber as a code owner October 16, 2020 16:02
@facebook-github-bot facebook-github-bot added the CLA Signed Signed Facebook CLA label Oct 16, 2020
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Deploy preview for docusaurus-2 ready!

Built with commit 95d2160

https://deploy-preview-3599--docusaurus-2.netlify.app

@slorber slorber merged commit da62689 into master Oct 16, 2020
@lex111 lex111 deleted the lex111/remove-event-listeners-tabs branch October 16, 2020 18:40
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4 participants