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zent

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一套前端设计语言和基于React的实现

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'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports['default'] = undefined; var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); var _class, _temp; var _react = require('react'); var _isEqual = require('zent-utils/lodash/isEqual'); var _isEqual2 = _interopRequireDefault(_isEqual); var _util = require('./util'); var util = _interopRequireWildcard(_util); function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } } function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; } function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /** Portal的核心,只负责管理child。index.js实际export的不是这个component. **/ var Portal = (_temp = _class = function (_Component) { _inherits(Portal, _Component); function Portal() { _classCallCheck(this, Portal); return _possibleConstructorReturn(this, (Portal.__proto__ || Object.getPrototypeOf(Portal)).apply(this, arguments)); } _createClass(Portal, [{ key: 'componentDidMount', // openPortal和closePortal之所以不暴露出去是因为这两个API的调用容易出BUG,有操作是异步的。 value: function componentDidMount() { util.openPortal.call(this); } }, { key: 'componentWillUnmount', value: function componentWillUnmount() { util.destroyPortal.call(this); } }, { key: 'componentDidUpdate', value: function componentDidUpdate() { var _this2 = this; if (this.pendingDestroy) { // destroyPortal是异步的(原因看destroyPortal的代码),所以用callback的形式调用openPortal util.destroyPortal.call(this, function () { _this2.pendingDestroy = false; util.openPortal.call(_this2); }); } else { util.openPortal.call(this); } } }, { key: 'componentWillReceiveProps', value: function componentWillReceiveProps(nextProps) { // 如果selector变了的话,删除再重新打开 var selector = this.props.selector; if (selector !== nextProps.selector) { // 真正的工作是在componentDidUpdate里做的 this.pendingDestroy = true; return; } // 如果children变了,直接重新render, react会判断是否有更新(即使这个是root节点)。 // 这个也是在componentDidUpdate里做的。 // 其它情况仅更新样式 var _props = this.props, className = _props.className, prefix = _props.prefix, css = _props.css; if (className !== nextProps.className || prefix !== nextProps.prefix || !(0, _isEqual2['default'])(css, nextProps.css)) { util.prepareNode(this.node, nextProps.prefix, nextProps.className, nextProps.css); } } }, { key: 'render', value: function render() { return null; } }]); return Portal; }(_react.Component), _class.propTypes = { children: _react.PropTypes.node.isRequired, selector: _react.PropTypes.oneOfType([_react.PropTypes.string, _react.PropTypes.object]).isRequired, className: _react.PropTypes.string, css: _react.PropTypes.object, prefix: _react.PropTypes.string }, _class.defaultProps = { selector: 'body', className: '', css: {}, prefix: 'zent' }, _temp); exports['default'] = Portal; module.exports = exports['default'];