antd-mobile-alita/es/input-item/Portal.js

基于 React 的移动设计规范实现

import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
import _inherits from 'babel-runtime/helpers/inherits';
import * as React from 'react';
import * as ReactDOM from 'react-dom';
var createPortal = ReactDOM.createPortal;

var Portal = function (_React$Component) {
    _inherits(Portal, _React$Component);

    function Portal(props) {
        _classCallCheck(this, Portal);

        var _this = _possibleConstructorReturn(this, (Portal.__proto__ || Object.getPrototypeOf(Portal)).call(this, props));

        _this.container = _this.props.getContainer();
        return _this;
    }

    _createClass(Portal, [{
        key: 'render',
        value: function render() {
            if (this.props.children) {
                return createPortal(this.props.children, this.container);
            }
            return null;
        }
    }]);

    return Portal;
}(React.Component);

export default Portal;