@ylz/plugins/packages/localforage/index.js

ylz plugins

import localforage from 'localforage'
function LocalForageFactory() {
  this.instance = null
  this.createInstance = (options) => {
    if (this.instance === null) {
      this.instance = localforage.createInstance(options)
    }
    return this.instance
  }
}

const install = (Vue, options) => {
  const localForageFactory = new LocalForageFactory()
  Object.defineProperty(Vue.prototype, '$localForage', {
    get() {
      return localForageFactory.createInstance(options)
    }
  })
  Object.defineProperty(Vue, 'localForage', {
    get() {
      return localForageFactory.createInstance(options)
    }
  })
}
export default {
  install,
  localForage: localforage
}