react-bootstrap/lib/FadeMixin.js

Bootstrap 3 components build with React

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _utilsDomUtils = require('./utils/domUtils');

var _utilsDomUtils2 = _interopRequireDefault(_utilsDomUtils);

// TODO: listen for onTransitionEnd to remove el
function getElementsAndSelf(root, classes) {
  var els = root.querySelectorAll('.' + classes.join('.'));

  els = [].map.call(els, function (e) {
    return e;
  });

  for (var i = 0; i < classes.length; i++) {
    if (!root.className.match(new RegExp('\\b' + classes[i] + '\\b'))) {
      return els;
    }
  }
  els.unshift(root);
  return els;
}

exports['default'] = {
  _fadeIn: function _fadeIn() {
    var els = undefined;

    if (this.isMounted()) {
      els = getElementsAndSelf(_react2['default'].findDOMNode(this), ['fade']);

      if (els.length) {
        els.forEach(function (el) {
          el.className += ' in';
        });
      }
    }
  },

  _fadeOut: function _fadeOut() {
    var els = getElementsAndSelf(this._fadeOutEl, ['fade', 'in']);

    if (els.length) {
      els.forEach(function (el) {
        el.className = el.className.replace(/\bin\b/, '');
      });
    }

    setTimeout(this._handleFadeOutEnd, 300);
  },

  _handleFadeOutEnd: function _handleFadeOutEnd() {
    if (this._fadeOutEl && this._fadeOutEl.parentNode) {
      this._fadeOutEl.parentNode.removeChild(this._fadeOutEl);
    }
  },

  componentDidMount: function componentDidMount() {
    if (document.querySelectorAll) {
      // Firefox needs delay for transition to be triggered
      setTimeout(this._fadeIn, 20);
    }
  },

  componentWillUnmount: function componentWillUnmount() {
    var els = getElementsAndSelf(_react2['default'].findDOMNode(this), ['fade']),
        container = this.props.container && _react2['default'].findDOMNode(this.props.container) || _utilsDomUtils2['default'].ownerDocument(this).body;

    if (els.length) {
      this._fadeOutEl = document.createElement('div');
      container.appendChild(this._fadeOutEl);
      this._fadeOutEl.appendChild(_react2['default'].findDOMNode(this).cloneNode(true));
      // Firefox needs delay for transition to be triggered
      setTimeout(this._fadeOut, 20);
    }
  }
};
module.exports = exports['default'];