v-slot and v-if

[bowencool]

Version

2.6.11

Reproduction link

https://codesandbox.io/s/cool-tharp-i0rvt?file=/src/App.vue:138-178

Steps to reproduce

 <template #default="{dataModel}" v-if="dataModel">{{dataModel.msg}}</template>

[Vue warn]: Property or method "dataModel" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property. See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.

What is expected?

v-if should identify variables correctly when v-slot exist

What is actually happening?

it didn't

[bowencool]

or provide no-use-v-if-with-v-slot eslint rule

[posva]

This is expected due to if having a higher priority. Put it inside the template. Eslint rules request go in the eslint plugin repository