Vue-cli3 failed to introduce mint-ui

the latest vue scaffolding, vue-cli3 failed to introduce mint-ui completely according to the tutorial on the official website of mint-ui. 

import Vue from "vue"
import MintUI from "mint-ui"
import "mint-ui/lib/style.css"
import App from "./App.vue"

Vue.use(MintUI)

new Vue({
  el: "-sharpapp",
  components: { App }
})

want to know how the latest vue-cli3 introduces mint-ui, for help. -sharp-sharp-sharp problem description

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Vue.js
Jan.28,2022

take a look at your package.json to see if you have mint-ui dependencies installed.

mint-ui does not support vue3.0 yet

look at the time, the landlord should have solved it, and I have also met and solved
record the crawl trip: 

1.npm intall mint-ui  --save  

2.npm install babel-plugin-component  //

3. babel.config.js 

module.exports = {
  presets: [
    '@vue/app'
  ],
  plugins:[
      [
        "component",
        {
          "libraryName": "mint-ui",
          "style": true
        }
      ]
  ]
}



module.exports = {
  presets: [
    '@vue/app'
  ],
  plugins: [
    "transform-vue-jsx",
    "transform-runtime",
    ["component", [
      {
        "libraryName":"mint-ui",
        "style":true
      }
      ]
    ]
  ]
}

4. main.js  

import { Switch, Range } from 'mint-ui'
import 'mint-ui/lib/style.css'

Vue.component(Switch.name, Switch)
Vue.component(Range.name, Range)     //Vue.use

Previous: How to make PHP code write front end?

Next: Nginx Agent WebSocket delay problem

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b352e4-2bf56.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b352e4-2bf56.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?