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fix: typing component refs #2210

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Merged
merged 1 commit into from
Feb 19, 2023
Merged

fix: typing component refs #2210

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5 changes: 3 additions & 2 deletions src/guide/typescript/composition-api.md
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Expand Up @@ -401,14 +401,15 @@ defineExpose({
</script>
```

In order to get the instance type of `MyModal`, we need to first get its type via `typeof`, then use TypeScript's built-in `InstanceType` utility to extract its instance type:
In order to get the instance type of `MyModal`, we need to first get its type via `typeof`, then use Vue's `ComponentPublicInstance` utility to extract its instance type:

```vue{5}
<!-- App.vue -->
<script setup lang="ts">
import { ComponentPublicInstance } from 'vue';
import MyModal from './MyModal.vue'

const modal = ref<InstanceType<typeof MyModal> | null>(null)
const modal = ref<ComponentPublicInstance<typeof MyModal> | null>(null)

const openModal = () => {
modal.value?.open()
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