zarm-web/lib/transition/Transition.js

基于 React 的桌面端UI库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = require("react");

var _classnames3 = _interopRequireDefault(require("classnames"));

var _utils = require("../utils");

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

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var TRANSITION_TYPE = {
  ENTERING: 'show',
  EXITING: 'hide'
};

var Transition =
/*#__PURE__*/
function (_Component) {
  _inherits(Transition, _Component);

  function Transition(_props) {
    var _this;

    _classCallCheck(this, Transition);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Transition).call(this, _props));
    _this.nextStatus = void 0;
    _this.timeoutId = void 0;

    _this.computeInitialStatus = function () {
      var _this$props = _this.props,
          visible = _this$props.visible,
          mountOnShow = _this$props.mountOnShow,
          transitionOnMount = _this$props.transitionOnMount,
          unmountOnHide = _this$props.unmountOnHide;

      if (visible) {
        if (transitionOnMount) {
          return {
            initial: Transition.EXITED,
            next: Transition.ENTERING
          };
        }

        return {
          initial: Transition.ENTERED
        };
      }

      if (mountOnShow || unmountOnHide) return {
        initial: Transition.UNMOUNTED
      };
      return {
        initial: Transition.EXITED
      };
    };

    _this.computeNextStatus = function () {
      var _this$state = _this.state,
          animating = _this$state.animating,
          status = _this$state.status;
      if (animating) return status === Transition.ENTERING ? Transition.EXITING : Transition.ENTERING;
      return status === Transition.ENTERED ? Transition.EXITING : Transition.ENTERING;
    };

    _this.computeStatus = function (props) {
      var status = _this.state.status;
      var visible = props.visible;

      if (visible) {
        return {
          status: status === Transition.UNMOUNTED && Transition.EXITED,
          next: status !== Transition.ENTERING && status !== Transition.ENTERED && Transition.ENTERING
        };
      }

      return {
        next: (status === Transition.ENTERING || status === Transition.ENTERED) && Transition.EXITING
      };
    };

    _this.updateStatus = function () {
      var animating = _this.state.animating;

      if (_this.nextStatus) {
        _this.nextStatus = _this.computeNextStatus();
        if (!animating) _this.handleStart();
      }
    };

    _this.handleStart = function () {
      var duration = _this.props.duration;
      var status = _this.nextStatus;
      _this.nextStatus = null;

      _this.setState({
        status: status,
        animating: true
      }, function () {
        _this.props.onStart(_objectSpread({}, _this.props, {
          status: status
        }));

        _this.timeoutId = setTimeout(function () {
          _this.handleComplete();
        }, duration);
      });
    };

    _this.handleComplete = function () {
      var status = _this.state.status;

      _this.props.onComplete(_objectSpread({}, _this.props, {
        status: status
      }));

      if (_this.nextStatus) {
        return _this.handleStart();
      }

      var completeStatus = _this.computeCompletedStatus();

      var beforeHook = status === Transition.ENTERING ? 'onBeforeShow' : 'onBeforeHide';
      var callback = status === Transition.ENTERING ? 'onShow' : 'onHide';

      _this.props[beforeHook](_objectSpread({}, _this.props, {
        status: completeStatus
      }));

      _this.setState({
        status: completeStatus,
        animating: false
      }, function () {
        _this.props[callback](_objectSpread({}, _this.props, {
          status: completeStatus
        }));
      });
    };

    _this.computeCompletedStatus = function () {
      var unmountOnHide = _this.props.unmountOnHide;
      var status = _this.state.status;
      if (status === Transition.ENTERING) return Transition.ENTERED;
      return unmountOnHide ? Transition.UNMOUNTED : Transition.EXITED;
    };

    _this.computeClasses = function () {
      var _this$props2 = _this.props,
          name = _this$props2.name,
          children = _this$props2.children,
          directional = _this$props2.directional;
      var _this$state2 = _this.state,
          animating = _this$state2.animating,
          status = _this$state2.status;
      var childrenClass = children.props.className;

      if (directional) {
        var _classnames;

        return (0, _classnames3.default)(childrenClass, (_classnames = {
          animating: animating
        }, _defineProperty(_classnames, "".concat(name), name), _defineProperty(_classnames, "".concat(name, "-in"), status === Transition.ENTERING), _defineProperty(_classnames, "".concat(name, "-out"), status === Transition.EXITING), _defineProperty(_classnames, "hidden", status === Transition.EXITED), _defineProperty(_classnames, "visible", status !== Transition.EXITED), _defineProperty(_classnames, "transition", true), _classnames));
      }

      return (0, _classnames3.default)(childrenClass, _defineProperty({
        animating: animating,
        transition: true
      }, "".concat(name), name));
    };

    _this.computeStyle = function () {
      var _this$props3 = _this.props,
          children = _this$props3.children,
          duration = _this$props3.duration;
      var status = _this.state.status;
      var childrenStyle = children.props.style;
      var type = TRANSITION_TYPE[status];
      var animationDuration = type && "".concat(duration, "ms");
      return _objectSpread({}, childrenStyle, {
        animationDuration: animationDuration
      });
    };

    var _this$computeInitialS = _this.computeInitialStatus(),
        _status = _this$computeInitialS.initial,
        next = _this$computeInitialS.next;

    _this.nextStatus = next;
    _this.state = {
      status: _status
    };
    return _this;
  }

  _createClass(Transition, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.updateStatus();
    }
  }, {
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      var _this$computeStatus = this.computeStatus(nextProps),
          status = _this$computeStatus.status,
          next = _this$computeStatus.next;

      this.nextStatus = next;
      if (status) this.setState({
        status: status
      });
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.updateStatus();
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      clearTimeout(this.timeoutId);
    }
  }, {
    key: "render",
    value: function render() {
      var children = this.props.children;
      var status = this.state.status;
      if (status === Transition.UNMOUNTED) return null;

      if ((0, _react.isValidElement)(children) && _react.Children.only(children)) {
        return (0, _react.cloneElement)(children, {
          className: this.computeClasses(),
          style: this.computeStyle()
        });
      }
    }
  }]);

  return Transition;
}(_react.Component);

exports.default = Transition;
Transition.defaultProps = {
  name: 'fade',
  duration: 500,
  directional: true,
  visible: true,
  mountOnShow: true,
  transitionOnMount: false,
  unmountOnHide: false,
  onStart: _utils.noop,
  onShow: _utils.noop,
  onHide: _utils.noop,
  onComplete: _utils.noop,
  onBeforeShow: _utils.noop,
  onBeforeHide: _utils.noop
};
Transition.ENTERED = 'ENTERED';
Transition.ENTERING = 'ENTERING';
Transition.EXITED = 'EXITED';
Transition.EXITING = 'EXITING';
Transition.UNMOUNTED = 'UNMOUNTED';