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ReplaceTransition.js
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Mon, Jun 23, 12:03

ReplaceTransition.js
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import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import _inheritsLoose from "@babel/runtime/helpers/esm/inheritsLoose";
import PropTypes from 'prop-types';
import React from 'react';
import ReactDOM from 'react-dom';
import TransitionGroup from './TransitionGroup';
/**
* The `<ReplaceTransition>` component is a specialized `Transition` component
* that animates between two children.
*
* ```jsx
* <ReplaceTransition in>
* <Fade><div>I appear first</div></Fade>
* <Fade><div>I replace the above</div></Fade>
* </ReplaceTransition>
* ```
*/
var ReplaceTransition = /*#__PURE__*/function (_React$Component) {
_inheritsLoose(ReplaceTransition, _React$Component);
function ReplaceTransition() {
var _this;
for (var _len = arguments.length, _args = new Array(_len), _key = 0; _key < _len; _key++) {
_args[_key] = arguments[_key];
}
_this = _React$Component.call.apply(_React$Component, [this].concat(_args)) || this;
_this.handleEnter = function () {
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
return _this.handleLifecycle('onEnter', 0, args);
};
_this.handleEntering = function () {
for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
return _this.handleLifecycle('onEntering', 0, args);
};
_this.handleEntered = function () {
for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
args[_key4] = arguments[_key4];
}
return _this.handleLifecycle('onEntered', 0, args);
};
_this.handleExit = function () {
for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
args[_key5] = arguments[_key5];
}
return _this.handleLifecycle('onExit', 1, args);
};
_this.handleExiting = function () {
for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
args[_key6] = arguments[_key6];
}
return _this.handleLifecycle('onExiting', 1, args);
};
_this.handleExited = function () {
for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {
args[_key7] = arguments[_key7];
}
return _this.handleLifecycle('onExited', 1, args);
};
return _this;
}
var _proto = ReplaceTransition.prototype;
_proto.handleLifecycle = function handleLifecycle(handler, idx, originalArgs) {
var _child$props;
var children = this.props.children;
var child = React.Children.toArray(children)[idx];
if (child.props[handler]) (_child$props = child.props)[handler].apply(_child$props, originalArgs);
if (this.props[handler]) {
var maybeNode = child.props.nodeRef ? undefined : ReactDOM.findDOMNode(this);
this.props[handler](maybeNode);
}
};
_proto.render = function render() {
var _this$props = this.props,
children = _this$props.children,
inProp = _this$props.in,
props = _objectWithoutPropertiesLoose(_this$props, ["children", "in"]);
var _React$Children$toArr = React.Children.toArray(children),
first = _React$Children$toArr[0],
second = _React$Children$toArr[1];
delete props.onEnter;
delete props.onEntering;
delete props.onEntered;
delete props.onExit;
delete props.onExiting;
delete props.onExited;
return /*#__PURE__*/React.createElement(TransitionGroup, props, inProp ? React.cloneElement(first, {
key: 'first',
onEnter: this.handleEnter,
onEntering: this.handleEntering,
onEntered: this.handleEntered
}) : React.cloneElement(second, {
key: 'second',
onEnter: this.handleExit,
onEntering: this.handleExiting,
onEntered: this.handleExited
}));
};
return ReplaceTransition;
}(React.Component);
ReplaceTransition.propTypes = process.env.NODE_ENV !== "production" ? {
in: PropTypes.bool.isRequired,
children: function children(props, propName) {
if (React.Children.count(props[propName]) !== 2) return new Error("\"" + propName + "\" must be exactly two transition components.");
return null;
}
} : {};
export default ReplaceTransition;

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