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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/dnd-core/dist/cjs/reducers/dragOffset.js

"use strict";

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

var _dragDrop = require("../actions/dragDrop");

var _equality = require("../utils/equality");

var initialState = {
  initialSourceClientOffset: null,
  initialClientOffset: null,
  clientOffset: null
};

function dragOffset() {
  var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState;
  var action = arguments.length > 1 ? arguments[1] : undefined;
  var payload = action.payload;

switch (action.type) {
    case _dragDrop.INIT_COORDS:
    case _dragDrop.BEGIN_DRAG:
      return {
        initialSourceClientOffset: payload.sourceClientOffset,
        initialClientOffset: payload.clientOffset,
        clientOffset: payload.clientOffset
      };

case _dragDrop.HOVER:
      if ((0, _equality.areCoordsEqual)(state.clientOffset, payload.clientOffset)) {
        return state;
      }

return _objectSpread({}, state, {
        clientOffset: payload.clientOffset
      });

case _dragDrop.END_DRAG:
    case _dragDrop.DROP:
      return initialState;

default:
      return state;
  }
}