v2.2.0 useSlots Type resolution failure

[SevenJoker]

Vue - Official extension or vue-tsc version

2.2.0

VSCode version

1.96.1

Vue version

3.4.21

TypeScript version

use jsdoc

System Info

No response

package.json dependencies

No response

Steps to reproduce

What is expected?

What is actually happening?

useSlots result type is any
rollback version to 2.1.10 is normal

Link to minimal reproduction

No response

Any additional comments?

No response

[KazariEX]

How do you use slots in the template?

[KazariEX]

See #5055 (comment)

If you want to get an slots object without type inference and use it in the template, it would be better to use const slots = defineSlots() to skip type resolution.

[realByg]

Usage of slots and attrs inside <script setup> should be relatively rare, since you can access them directly as $slots and $attrs in the template.

https://vuejs.org/api/sfc-script-setup#useslots-useattrs

[KazariEX]

Just a defineSlots(), no need to use its return value, you can continue to use $slots in the template.

https://vuejs-language-tools.vercel.app/zh/features/slots

[brc-dd]

$slots in template is also not behaving correctly 👀

Example:

<script lang="ts">
export default { inheritAttrs: false }
</script>

<script setup lang="ts">
defineProps<{ is?: any }>()
</script>

<template>
  <component v-if="is" :is="is" v-bind="$attrs">
    <template v-for="(_, slot) of $slots" #[slot]="scope">
      <slot :name="slot" v-bind="scope" />
    </template>
  </component>
  <slot v-else />
</template>

Here type of slot should be string | number. But with vue-tsc@~2.2, it throws (needs noImplicitAny or strict set in tsconfig):

lib/components/SFragment.vue:11:26 - error TS7022: 'slot' implicitly has type 'any' because it does not have a type annotation and is referenced directly or indirectly in its own initializer.

11     <template v-for="(_, slot) of $slots" #[slot]="scope">
                            ~~~~

It was working fine with vue-tsc@~2.1

[KazariEX]

See https://vuejs-language-tools.vercel.app/features/slots#how-to-handle-indeterminate-slot-types