redux-devtools/lib/persistState.js

Redux DevTools with hot reloading and time travel

"use strict";

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

var _mapValues = _interopRequireDefault(require("lodash/mapValues"));

var _identity = _interopRequireDefault(require("lodash/identity"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": 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(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(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 persistState(sessionId) {
  var deserializeState = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _identity["default"];
  var deserializeAction = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _identity["default"];

  if (!sessionId) {
    return function (next) {
      return function () {
        return next.apply(void 0, arguments);
      };
    };
  }

  function deserialize(state) {
    return _objectSpread(_objectSpread({}, state), {}, {
      actionsById: (0, _mapValues["default"])(state.actionsById, function (liftedAction) {
        return _objectSpread(_objectSpread({}, liftedAction), {}, {
          action: deserializeAction(liftedAction.action)
        });
      }),
      committedState: deserializeState(state.committedState),
      computedStates: state.computedStates.map(function (computedState) {
        return _objectSpread(_objectSpread({}, computedState), {}, {
          state: deserializeState(computedState.state)
        });
      })
    });
  }

  return function (next) {
    return function (reducer, initialState) {
      var key = "redux-dev-session-".concat(sessionId);
      var finalInitialState;

      try {
        var json = localStorage.getItem(key);

        if (json) {
          finalInitialState = deserialize(JSON.parse(json)) || initialState;
          next(reducer, initialState);
        }
      } catch (e) {
        console.warn('Could not read debug session from localStorage:', e); // eslint-disable-line no-console

        try {
          localStorage.removeItem(key);
        } finally {
          finalInitialState = undefined;
        }
      }

      var store = next(reducer, finalInitialState);
      return _objectSpread(_objectSpread({}, store), {}, {
        dispatch: function dispatch(action) {
          store.dispatch(action);

          try {
            localStorage.setItem(key, JSON.stringify(store.getState()));
          } catch (e) {
            console.warn('Could not write debug session to localStorage:', e); // eslint-disable-line no-console
          }

          return action;
        }
      });
    };
  };
}
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