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How to use generics in TSX #11374

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TaurusWood opened this issue Jul 16, 2024 · 1 comment
Open

How to use generics in TSX #11374

TaurusWood opened this issue Jul 16, 2024 · 1 comment
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🍰 p2-nice-to-have Priority 2: this is not breaking anything but nice to have it addressed.

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@TaurusWood
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TaurusWood commented Jul 16, 2024

Vue version

3.4.27

Link to minimal reproduction

https://play.vuejs.org/#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

Steps to reproduce

In the official use case, when defining components using defineComponent, an example of using generics is as follows:

const Comp = defineComponent(
  <T extends string | number>(props: { msg: T; list: T[] }) => {
    // use Composition API here like in <script setup>
    const count = ref(0)

    return () => {
      // render function or JSX
      return <div>{count.value}</div>
    }
  },
  // manual runtime props declaration is currently still needed.
  {
    props: ['msg', 'list']
  }
)

I know that generic can be used to define in composite APIs, but child components and parent components are defined by defineComponent, so I want to know how to pass generic from the parent component in tsx###

What is expected?

like react, we can pass generics like this:

  return () => {
      
    return (
      <div>
        <Comp<{ name: string }> msg="hello" list={list.value} />
      </div>)
    }

What is actually happening?

I couldn't find any way to pass generics into child components,like this
WX20240717-095810

System Info

No response

Any additional comments?

No response

@yyx990803 yyx990803 added the 🍰 p2-nice-to-have Priority 2: this is not breaking anything but nice to have it addressed. label Jul 17, 2024
@Procrustes5
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Procrustes5 commented Aug 3, 2024

#11478
I made PR, is this the same thing you wanted?

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