@aliretail/react-materials-components/es/FormComponents/errorModal/Modal.js

B 端物料组件库

import _inheritsLoose from "@babel/runtime/helpers/inheritsLoose";
import * as React from 'react';
import ReactDOM from 'react-dom';

var Modal = /*#__PURE__*/function (_React$Component) {
  _inheritsLoose(Modal, _React$Component);

  function Modal(props) {
    var _this;

    _this = _React$Component.call(this, props) || this;
    var modalRoot = document.getElementById('aliretail-form-error-modal');

    if (modalRoot) {
      _this.modalRoot = modalRoot;
    } else {
      var rootEle = document.createElement('div');
      rootEle.id = 'aliretail-form-error-modal';
      document.body.appendChild(rootEle);
      _this.modalRoot = rootEle;
    }

    _this.el = document.createElement('div');
    return _this;
  }

  var _proto = Modal.prototype;

  _proto.componentDidMount = function componentDidMount() {
    // The portal element is inserted in the DOM tree after
    // the Modal's children are mounted, meaning that children
    // will be mounted on a detached DOM node. If a child
    // component requires to be attached to the DOM tree
    // immediately when mounted, for example to measure a
    // DOM node, or uses 'autoFocus' in a descendant, add
    // state to Modal and only render the children when Modal
    // is inserted in the DOM tree.
    this.modalRoot.appendChild(this.el);
  };

  _proto.componentWillUnmount = function componentWillUnmount() {
    this.modalRoot.removeChild(this.el);
  };

  _proto.render = function render() {
    return /*#__PURE__*/ReactDOM.createPortal(this.props.children, this.el);
  };

  return Modal;
}(React.Component);

export default Modal;