react-flip-toolkit/lib/Flipper.js

Configurable FLIP animation helpers for React

"use strict";

exports.__esModule = true;
exports.FlipContext = undefined;

var _class, _temp2;

var _react = require("react");

var _react2 = _interopRequireDefault(_react);

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

var _propTypes2 = _interopRequireDefault(_propTypes);

var _flipHelpers = require("./flipHelpers");

var _easing = require("popmotion/easing");

var popmotionEasing = _interopRequireWildcard(_easing);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

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

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

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var FlipContext = exports.FlipContext = _react2.default.createContext("flip");

var Flipper = (_temp2 = _class = function (_Component) {
  _inherits(Flipper, _Component);

  function Flipper() {
    var _temp, _this, _ret;

    _classCallCheck(this, Flipper);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Component.call.apply(_Component, [this].concat(args))), _this), _this.inProgressAnimations = {}, _this.flipCallbacks = {}, _temp), _possibleConstructorReturn(_this, _ret);
  }

  Flipper.prototype.getSnapshotBeforeUpdate = function getSnapshotBeforeUpdate(prevProps) {
    if (prevProps.flipKey !== this.props.flipKey) {
      return (0, _flipHelpers.getFlippedElementPositions)(this.el);
    }
    return null;
  };

  Flipper.prototype.componentDidUpdate = function componentDidUpdate(prevProps, prevState, cachedFlipChildrenPositions) {
    if (this.props.flipKey !== prevProps.flipKey) {
      this.inProgressAnimations = (0, _flipHelpers.animateMove)({
        cachedFlipChildrenPositions: cachedFlipChildrenPositions,
        containerEl: this.el,
        duration: this.props.duration,
        ease: popmotionEasing[this.props.ease],
        inProgressAnimations: this.inProgressAnimations,
        flipCallbacks: this.flipCallbacks
      });
    }
  };

  Flipper.prototype.render = function render() {
    var _this2 = this;

    return _react2.default.createElement(
      FlipContext.Provider,
      { value: this.flipCallbacks },
      _react2.default.createElement(
        "div",
        { ref: function ref(el) {
            return _this2.el = el;
          } },
        this.props.children
      )
    );
  };

  return Flipper;
}(_react.Component), _class.defaultProps = {
  duration: 250,
  ease: "easeOut"
}, _temp2);
Flipper.propTypes = process.env.NODE_ENV !== "production" ? {
  flipKey: _propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.number, _propTypes2.default.bool]),
  children: _propTypes2.default.node.isRequired,
  duration: _propTypes2.default.number,
  ease: _propTypes2.default.string
} : {};
exports.default = Flipper;