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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/reactstrap/src/Collapse.js

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { Transition } from 'react-transition-group';
import { mapToCssModules, omit, pick, TransitionTimeouts, TransitionPropTypeKeys, TransitionStatuses, tagPropType } from './utils';

const propTypes = {
  ...Transition.propTypes,
  isOpen: PropTypes.bool,
  children: PropTypes.oneOfType([
    PropTypes.arrayOf(PropTypes.node),
    PropTypes.node
  ]),
  tag: tagPropType,
  className: PropTypes.node,
  navbar: PropTypes.bool,
  cssModule: PropTypes.object,
  innerRef: PropTypes.oneOfType([
    PropTypes.func,
    PropTypes.string,
    PropTypes.object
  ]),
};

const defaultProps = {
  ...Transition.defaultProps,
  isOpen: false,
  appear: false,
  enter: true,
  exit: true,
  tag: 'div',
  timeout: TransitionTimeouts.Collapse,
};

const transitionStatusToClassHash = {
  [TransitionStatuses.ENTERING]: 'collapsing',
  [TransitionStatuses.ENTERED]: 'collapse show',
  [TransitionStatuses.EXITING]: 'collapsing',
  [TransitionStatuses.EXITED]: 'collapse',
};

function getTransitionClass(status) {
  return transitionStatusToClassHash[status] || 'collapse';
}

function getHeight(node) {
  return node.scrollHeight;
}

class Collapse extends Component {
  constructor(props) {
    super(props);

this.state = {
      height: null
    };

['onEntering', 'onEntered', 'onExit', 'onExiting', 'onExited'].forEach((name) => {
      this[name] = this[name].bind(this);
    });
  }

onEntering(node, isAppearing) {
    this.setState({ height: getHeight(node) });
    this.props.onEntering(node, isAppearing);
  }

onEntered(node, isAppearing) {
    this.setState({ height: null });
    this.props.onEntered(node, isAppearing);
  }

onExit(node) {
    this.setState({ height: getHeight(node) });
    this.props.onExit(node);
  }

onExiting(node) {
    // getting this variable triggers a reflow
    const _unused = node.offsetHeight; // eslint-disable-line no-unused-vars
    this.setState({ height: 0 });
    this.props.onExiting(node);
  }

onExited(node) {
    this.setState({ height: null });
    this.props.onExited(node);
  }

render() {
    const {
      tag: Tag,
      isOpen,
      className,
      navbar,
      cssModule,
      children,
      innerRef,
      ...otherProps
    } = this.props;

const { height } = this.state;

Collapse.propTypes = propTypes;
Collapse.defaultProps = defaultProps;
export default Collapse;