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[Vue warn]: <TransitionGroup> children must be keyed. #4718

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foxymoron opened this issue Oct 1, 2021 · 0 comments
Closed

[Vue warn]: <TransitionGroup> children must be keyed. #4718

foxymoron opened this issue Oct 1, 2021 · 0 comments
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feat: transition 🔨 p3-minor-bug Priority 3: this fixes a bug, but is an edge case that only affects very specific usage. 🐞 bug Something isn't working

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@foxymoron
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Version

3.2.19

Reproduction link

https://codesandbox.io/s/solitary-fast-4fgmx?file=/src/App.vue

Steps to reproduce

  1. Create a keyed looped template with 2 child elements.
  2. Wrap this template with transition-group.

What is expected?

No [Vue warn]: children must be keyed.
Because the key is given to template tag.

What is actually happening?

[Vue warn]: children must be keyed.
Transition of the 2 elements also seems to be breaking.


This was not an issue in Vue2 as we were able to manually specify key for child elements inside template.

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Labels
feat: transition 🔨 p3-minor-bug Priority 3: this fixes a bug, but is an edge case that only affects very specific usage. 🐞 bug Something isn't working
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