util.ts

import { computed, ComputedGetter, ComputedRef, readonly, ref } from 'vue'

export function computedIter<T>(fn: ComputedGetter<Iterable<T>>): ComputedRef<T[]> {
  return computed(() => Array.from(fn()))
}

export const useId = (() => {
  let _id = 0
  return function useId(prefix = 'component') {
    return readonly(ref(`${prefix}-${_id++}`))
  }
})()