Vue: v-model not working inside scoped slots

[panayotoff]

Version

2.6.8

Reproduction link

https://codepen.io/bassta/pen/vPrYdY

Steps to reproduce

1. Create new component, add slot to it, bind some data to the slot
2. Create new instance of the component, add input inside slot, bind v-model to it.

What is expected?

Component data, bind to v-model to change

What is actually happening?

Nothing, doesn't throw error

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Showing data works, binding v-model to data does not.

[posva]

you are not supposed to modify the data you pass to a slot, pretty much like a prop.
You should pass a method instead to change tha value. You can always pass an object and modify a property (like a prop) but it's also not recommended