Class PromiseRender

src/components/Authorized/PromiseRender.jsx:6–78

import { isComponentClass } from './Secured'; // eslint-disable-next-line import/no-cycle

export default class PromiseRender extends React.Component {
  state = {
    component: () => null,
  };

  componentDidMount() {
    this.setRenderComponent(this.props);
  }

  shouldComponentUpdate = (nextProps, nextState) => {
    const { component } = this.state;

    if (!isEqual(nextProps, this.props)) {
      this.setRenderComponent(nextProps);
    }

    if (nextState.component !== component) return true;
    return false;
  }; // set render Component : ok or error

  setRenderComponent(props) {
    const ok = this.checkIsInstantiation(props.ok);
    const error = this.checkIsInstantiation(props.error);
    props.promise
      .then(() => {
        this.setState({
          component: ok,
        });
        return true;
      })
      .catch(() => {
        this.setState({
          component: error,
        });
      });
  } // Determine whether the incoming component has been instantiated
  // AuthorizedRoute is already instantiated
  // Authorized  render is already instantiated, children is no instantiated
  // Secured is not instantiated

  checkIsInstantiation = target => {
    if (isComponentClass(target)) {
      const Target = target;
      return props => <Target {...props} />;
    }

    if (React.isValidElement(target)) {
      return props => React.cloneElement(target, props);
    }

    return () => target;
  };

  render() {
    const { component: Component } = this.state;
    const { ok, error, promise, ...rest } = this.props;
    return Component ? (
      <Component {...rest} />