ndla-ui/lib/Animation/Fade.js

UI component library for NDLA.

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _reactTransitionGroup = require('react-transition-group');

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

var Fade = function Fade(_ref) {
  var children = _ref.children,
      delay = _ref.delay,
      timeout = _ref.timeout,
      exitDelay = _ref.exitDelay,
      rest = _objectWithoutProperties(_ref, ['children', 'delay', 'timeout', 'exitDelay']);

  return _react2.default.createElement(
    _reactTransitionGroup.CSSTransition,
    _extends({
      classNames: 'u-fade'
    }, rest, {
      timeout: timeout,
      unmountOnExit: true,
      onEnter: function onEnter(node) {
        var n = node;
        n.style.transitionDuration = timeout + 'ms';

        if (delay) {
          n.style.transitionDelay = delay + 'ms';
        }
      },
      onExit: exitDelay ? function (node) {
        var n = node;
        n.style.transitionDelay = exitDelay + 'ms';
      } : null }),
    children
  );
};

Fade.propTypes = {
  children: _propTypes2.default.node.isRequired,
  timeout: _propTypes2.default.number,
  delay: _propTypes2.default.number,
  exitDelay: _propTypes2.default.number
};

Fade.defaultProps = {
  timeout: 300,
  delay: null,
  exitDelay: null
};

exports.default = Fade;