defineProps <Props> (), when Props type definitions use interface declared by d.ts, vue (typescript) compiles and parses to null?
What problem does this feature solve?
demo: https://github.com/L1yp/vue3-ts-prop-type
What does the proposed API look like?
support to use declare type in Props definition
this is not supported yet. see https://github.com/vuejs/core/issues/4294