igroot-builder/asyncComponent.jsx

白山——zeus系统前端打包工具

import React, { Component } from 'react'

export default function (importComponent) {
  return class AsyncComponent extends Component {
    state = { component: null }

    async componentDidMount() {
      const { default: component } = await importComponent()

      this.setState({ component })
    }

    render() {
      const C = this.state.component

      return C ? <C {...this.props}/> : null
    }
  }
}