zent
Version:
一套前端设计语言和基于React的实现
72 lines (55 loc) • 3.01 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; /**
* 保存domMount状态
*/
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
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; }
var LazyMount = (_temp = _class = function (_Component) {
_inherits(LazyMount, _Component);
function LazyMount(props) {
_classCallCheck(this, LazyMount);
var _this = _possibleConstructorReturn(this, (LazyMount.__proto__ || Object.getPrototypeOf(LazyMount)).call(this, props));
_this.state = {
mounted: props.mountTrigger
};
return _this;
}
_createClass(LazyMount, [{
key: 'componentWillReceiveProps',
value: function componentWillReceiveProps(nextProps) {
var mountTrigger = nextProps.mountTrigger;
var mounted = this.state.mounted;
if (mountTrigger && !mounted) {
this.setState({
mounted: true
});
}
}
}, {
key: 'render',
value: function render() {
var children = this.props.children;
var mounted = this.state.mounted;
if (mounted) {
return children;
}
return null;
}
}]);
return LazyMount;
}(_react.Component), _class.propTypes = {
mountTrigger: _react2['default'].PropTypes.bool
}, _class.defaultProps = {
mountTrigger: false
}, _temp);
exports['default'] = LazyMount;
module.exports = exports['default'];
;