zent
Version:
一套前端设计语言和基于React的实现
118 lines (93 loc) • 4.93 kB
JavaScript
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'];
;