traffic-laser/src/hook/useStaticUrl.ts

import {api} from '@/store/sync'
import {Ref, ref} from "vue";

const cache = new Map<string, Ref<string>>()
export const useStaticUrl = (url) => {
  if (cache.has(url)) {
    return cache.get(url);
  } else {
    const realUrl = ref<string>()
    api.getFile(url)
      .then(data => {
        realUrl.value = data
        cache.set(url, realUrl)
      })
    return realUrl
  }
}