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/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
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 React = require('./React');
var ReactAddonsDOMDependencies = require('./ReactAddonsDOMDependencies');
var propTypesFactory = require('prop-types/factory');
var PropTypes = propTypesFactory(React.isValidElement);
var CSSCore = require('fbjs/lib/CSSCore');
var ReactTransitionEvents = require('./ReactTransitionEvents');
var onlyChild = require('./onlyChild');
var TICK = 17;
var ReactCSSTransitionGroupChild = function (_React$Component) {
_inherits(ReactCSSTransitionGroupChild, _React$Component);
function ReactCSSTransitionGroupChild() {
var _temp, _this, _ret;
_classCallCheck(this, ReactCSSTransitionGroupChild);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = _possibleConstructorReturn(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this._isMounted = false, _this.transition = function (animationType, finishCallback, userSpecifiedDelay) {
var node = ReactAddonsDOMDependencies.getReactDOM().findDOMNode(_this);
if (!node) {
if (finishCallback) {
finishCallback();
}
return;
}
var className = _this.props.name[animationType] || _this.props.name + '-' + animationType;
var activeClassName = _this.props.name[animationType + 'Active'] || className + '-active';
var timeout = null;
var endListener = function (e) {
if (e && e.target !== node) {
return;
}
clearTimeout(timeout);
CSSCore.removeClass(node, className);
CSSCore.removeClass(node, activeClassName);
ReactTransitionEvents.removeEndEventListener(node, endListener);
// Usually this optional callback is used for informing an owner of
// a leave animation and telling it to remove the child.
if (finishCallback) {
finishCallback();
}
};
CSSCore.addClass(node, className);
// Need to do this to actually trigger a transition.
_this.queueClassAndNode(activeClassName, node);
// If the user specified a timeout delay.
if (userSpecifiedDelay) {
// Clean-up the animation after the specified delay
timeout = setTimeout(endListener, userSpecifiedDelay);
_this.transitionTimeouts.push(timeout);
} else {
// DEPRECATED: this listener will be removed in a future version of react
ReactTransitionEvents.addEndEventListener(node, endListener);
}
}, _this.queueClassAndNode = function (className, node) {
_this.classNameAndNodeQueue.push({
className: className,
node: node
});
if (!_this.timeout) {
_this.timeout = setTimeout(_this.flushClassNameAndNodeQueue, TICK);
}
}, _this.flushClassNameAndNodeQueue = function () {
if (_this._isMounted) {
_this.classNameAndNodeQueue.forEach(function (obj) {
CSSCore.addClass(obj.node, obj.className);
});
}
_this.classNameAndNodeQueue.length = 0;
_this.timeout = null;
}, _this.componentWillAppear = function (done) {
if (_this.props.appear) {
_this.transition('appear', done, _this.props.appearTimeout);
} else {
done();
}
}, _this.componentWillEnter = function (done) {
if (_this.props.enter) {
_this.transition('enter', done, _this.props.enterTimeout);
} else {
done();
}
}, _this.componentWillLeave = function (done) {
if (_this.props.leave) {
_this.transition('leave', done, _this.props.leaveTimeout);
} else {
done();
}
}, _temp), _possibleConstructorReturn(_this, _ret);
}
ReactCSSTransitionGroupChild.prototype.componentWillMount = function componentWillMount() {
this.classNameAndNodeQueue = [];
this.transitionTimeouts = [];
};
ReactCSSTransitionGroupChild.prototype.componentDidMount = function componentDidMount() {
this._isMounted = true;
};
ReactCSSTransitionGroupChild.prototype.componentWillUnmount = function componentWillUnmount() {
this._isMounted = false;
if (this.timeout) {
clearTimeout(this.timeout);
}
this.transitionTimeouts.forEach(function (timeout) {
clearTimeout(timeout);
});
this.classNameAndNodeQueue.length = 0;
};
ReactCSSTransitionGroupChild.prototype.render = function render() {
return onlyChild(this.props.children);
};
return ReactCSSTransitionGroupChild;
}(React.Component);
ReactCSSTransitionGroupChild.propTypes = {
name: PropTypes.oneOfType([PropTypes.string, PropTypes.shape({
enter: PropTypes.string,
leave: PropTypes.string,
active: PropTypes.string
}), PropTypes.shape({
enter: PropTypes.string,
enterActive: PropTypes.string,
leave: PropTypes.string,
leaveActive: PropTypes.string,
appear: PropTypes.string,
appearActive: PropTypes.string
})]).isRequired,
// Once we require timeouts to be specified, we can remove the
// boolean flags (appear etc.) and just accept a number
// or a bool for the timeout flags (appearTimeout etc.)
appear: PropTypes.bool,
enter: PropTypes.bool,
leave: PropTypes.bool,
appearTimeout: PropTypes.number,
enterTimeout: PropTypes.number,
leaveTimeout: PropTypes.number
};
module.exports = ReactCSSTransitionGroupChild;
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