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Warning and failed rendering with empty props #864

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CyberAP opened this issue Mar 21, 2020 · 0 comments
Closed

Warning and failed rendering with empty props #864

CyberAP opened this issue Mar 21, 2020 · 0 comments

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@CyberAP
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CyberAP commented Mar 21, 2020

Version

3.0.0-alpha.9

Reproduction link

https://codesandbox.io/s/inspiring-river-jrfkv

Steps to reproduce

  1. Create a component that can accept null value for a prop
  2. Render this component without passing any props to it

What is expected?

Component should render as usual without any warnings.

What is actually happening?

A warning is raised, render may fail in some cases.

[Vue warn]: Property "test" was accessed during render but is not defined on instance. 
  at <Anonymous> "" 
  at <Anonymous> (Root)
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@CyberAP