[Vue] useComputed

import {computed} from "vue"

export function useComputed(fn) {
  const map = new Map()
  return function(...args) {
     const key = JSON.stringify(args);
     if (map.has(key)) {
        return map.get(key)
     }
     const result = computed(() => {
        return fn(...args)
     })
     map.set(key, result)
     return result
  }
}