import useSafeEffect from 'use-safe-effect'

useSafeEffect(async () => console.log('componentDidMount'), () => console.log('componentWillUnMount'), [])

import useSafeEffect from 'use-safe-effect'
import request from 'umi-request'

useSafeEffect(
  async () => {
    let res = await request(api)
    console.log('componentDidMount')
  },
  () => {
    console.log('componentWillUnMount')
  },
  []
)