text: "use strict";
  
  var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
  
  var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = void 0;
  
  var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
  
  var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));
  
  var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));
  
  var React = _interopRequireWildcard(require("react"));
  
  var _propTypes = _interopRequireDefault(require("prop-types"));
  
  var _reactTransitionGroup = require("react-transition-group");
  
  var _useTheme = _interopRequireDefault(require("../styles/useTheme"));
  
  var _utils = require("../transitions/utils");
  
  var _useForkRef = _interopRequireDefault(require("../utils/useForkRef"));
  
  function getScale(value) {
    return "scale(".concat(value, ", ").concat(Math.pow(value, 2), ")");
  }
  
  var styles = {
    entering: {
      opacity: 1,
      transform: getScale(1)
    },
    entered: {
      opacity: 1,
      transform: 'none'
    }
  };
  /**
   * The Grow transition is used by the [Tooltip](/components/tooltips/) and
   * [Popover](/components/popover/) components.
   * It uses [react-transition-group](https://github.com/reactjs/react-transition-group) internally.
   */
  
  var Grow = /*#__PURE__*/React.forwardRef(function Grow(props, ref) {
    var children = props.children,
        _props$disableStrictM = props.disableStrictModeCompat,
        disableStrictModeCompat = _props$disableStrictM === void 0 ? false : _props$disableStrictM,
        inProp = props.in,
        onEnter = props.onEnter,
        onEntered = props.onEntered,
        onEntering = props.onEntering,
        onExit = props.onExit,
        onExited = props.onExited,
        onExiting = props.onExiting,
        style = props.style,
        _props$timeout = props.timeout,
        timeout = _props$timeout === void 0 ? 'auto' : _props$timeout,
        _props$TransitionComp = props.TransitionComponent,
        TransitionComponent = _props$TransitionComp === void 0 ? _reactTransitionGroup.Transition : _props$TransitionComp,
        other = (0, _objectWithoutProperties2.default)(props, ["children", "disableStrictModeCompat", "in", "onEnter", "onEntered", "onEntering", "onExit", "onExited", "onExiting", "style", "timeout", "TransitionComponent"]);
    var timer = React.useRef();
    var autoTimeout = React.useRef();
    var theme = (0, _useTheme.default)();
    var enableStrictModeCompat = theme.unstable_strictMode && !disableStrictModeCompat;
    var nodeRef = React.useRef(null);
    var foreignRef = (0, _useForkRef.default)(children.ref, ref);
    var handleRef = (0, _useForkRef.default)(enableStrictModeCompat ? nodeRef : undefined, foreignRef);
  
    var normalizedTransitionCallback = function normalizedTransitionCallback(callback) {
      return function (nodeOrAppearing, maybeAppearing) {
        if (callback) {
          var _ref = enableStrictModeCompat ? [nodeRef.current, nodeOrAppearing] : [nodeOrAppearing, maybeAppearing],
              _ref2 = (0, _slicedToArray2.default)(_ref, 2),
              node = _ref2[0],
              isAppearing = _ref2[1]; // onEnterXxx and onExitXxx callbacks have a different arguments.length value.
  
  
          if (isAppearing === undefined) {
            callback(node);
          } else {
            callback(node, isAppearing);
          }
        }
      };
    };
  
    var handleEntering = normalizedTransitionCallback(onEntering);
    var handleEnter = normalizedTransitionCallback(function (node, isAppearing) {
      (0, _utils.reflow)(node); // So the animation always start from the start.
  
      var _getTransitionProps = (0, _utils.getTransitionProps)({
        style: style,
        timeout: timeout
      }, {
        mode: 'enter'
      }),
          transitionDuration = _getTransitionProps.duration,
          delay = _getTransitionProps.delay;
  
      var duration;
  
      if (timeout === 'auto') {
        duration = theme.transitions.getAutoHeightDuration(node.clientHeight);
        autoTimeout.current = duration;
      } else {
        duration = transitionDuration;
      }
  
      node.style.transition = [theme.transitions.create('opacity', {
        duration: duration,
        delay: delay
      }), theme.transitions.create('transform', {
        duration: duration * 0.666,
        delay: delay
      })].join(',');
  
      if (onEnter) {
        onEnter(node, isAppearing);
      }
    });
    var handleEntered = normalizedTransitionCallback(onEntered);
    var handleExiting = normalizedTransitionCallback(onExiting);
    var handleExit = normalizedTransitionCallback(function (node) {
      var _getTransitionProps2 = (0, _utils.getTransitionProps)({
        style: style,
        timeout: timeout
      }, {
        mode: 'exit'
      }),
          transitionDuration = _getTransitionProps2.duration,
          delay = _getTransitionProps2.delay;
  
      var duration;
  
      if (timeout === 'auto') {
        duration = theme.transitions.getAutoHeightDuration(node.clientHeight);
        autoTimeout.current = duration;
      } else {
        duration = transitionDuration;
      }
  
      node.style.transition = [theme.transitions.create('opacity', {
        duration: duration,
        delay: delay
      }), theme.transitions.create('transform', {
        duration: duration * 0.666,
        delay: delay || duration * 0.333
      })].join(',');
      node.style.opacity = '0';
      node.style.transform = getScale(0.75);
  
      if (onExit) {
        onExit(node);
      }
    });
    var handleExited = normalizedTransitionCallback(onExited);
  
    var addEndListener = function addEndListener(nodeOrNext, maybeNext) {
      var next = enableStrictModeCompat ? nodeOrNext : maybeNext;
  
      if (timeout === 'auto') {
        timer.current = setTimeout(next, autoTimeout.current || 0);
      }
    };
  
    React.useEffect(function () {
      return function () {
        clearTimeout(timer.current);
      };
    }, []);
    return /*#__PURE__*/React.createElement(TransitionComponent, (0, _extends2.default)({
      appear: true,
      in: inProp,
      nodeRef: enableStrictModeCompat ? nodeRef : undefined,
      onEnter: handleEnter,
      onEntered: handleEntered,
      onEntering: handleEntering,
      onExit: handleExit,
      onExited: handleExited,
      onExiting: handleExiting,
      addEndListener: addEndListener,
      timeout: timeout === 'auto' ? null : timeout
    }, other), function (state, childProps) {
      return /*#__PURE__*/React.cloneElement(children, (0, _extends2.default)({
        style: (0, _extends2.default)({
          opacity: 0,
          transform: getScale(0.75),
          visibility: state === 'exited' && !inProp ? 'hidden' : undefined
        }, styles[state], style, children.props.style),
        ref: handleRef
      }, childProps));
    });
  });
  process.env.NODE_ENV !== "production" ? Grow.propTypes = {
    // ----------------------------- Warning --------------------------------
    // | These PropTypes are generated from the TypeScript type definitions |
    // |     To update them edit the d.ts file and run "yarn proptypes"     |
    // ----------------------------------------------------------------------
  
    /**
     * A single child content element.
     */
    children: _propTypes.default.element,
  
    /**
     * Enable this prop if you encounter 'Function components cannot be given refs',
     * use `unstable_createStrictModeTheme`,
     * and can't forward the ref in the child component.
     */
    disableStrictModeCompat: _propTypes.default.bool,
  
    /**
     * If `true`, show the component; triggers the enter or exit animation.
     */
    in: _propTypes.default.bool,
  
    /**
     * @ignore
     */
    onEnter: _propTypes.default.func,
  
    /**
     * @ignore
     */
    onEntered: _propTypes.default.func,
  
    /**
     * @ignore
     */
    onEntering: _propTypes.default.func,
  
    /**
     * @ignore
     */
    onExit: _propTypes.default.func,
  
    /**
     * @ignore
     */
    onExited: _propTypes.default.func,
  
    /**
     * @ignore
     */
    onExiting: _propTypes.default.func,
  
    /**
     * @ignore
     */
    style: _propTypes.default.object,
  
    /**
     * The duration for the transition, in milliseconds.
     * You may specify a single timeout for all transitions, or individually with an object.
     *
     * Set to 'auto' to automatically calculate transition time based on height.
     */
    timeout: _propTypes.default.oneOfType([_propTypes.default.oneOf(['auto']), _propTypes.default.number, _propTypes.default.shape({
      appear: _propTypes.default.number,
      enter: _propTypes.default.number,
      exit: _propTypes.default.number
    })])
  } : void 0;
  Grow.muiSupportAuto = true;
  var _default = Grow;
  exports.default = _default;