DefineExpose teste

gistfile1.txt

<script setup lang="ts">
// Exposed.vue
const a = 1
const b = ref<number>(2)

defineExpose<{
  a: number
  b: globalThis.Ref<number>
}>({
  a,
  b
})
</script>

<template>
  <div class="w-full">meu componente {{ a }} {{ b }}</div>
</template>

vue

<script setup lang="ts">
import Exposed from '~/components/Exposed.vue'
const exposed = ref(null)
const b = computed(() => exposed.value?.b) // dá um erro de typescript aqui
</script>

<template>
  <div class="w-full">
    <main>
      <Exposed ref="exposed" />
      {{ b }}
    </main>
  </div>
</template>