redux-devtools-log-monitor/lib/reducers.js

"use strict";

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

var _actions = require("./actions");

function initialScrollTop(props) {
  var state = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  var action = arguments.length > 2 ? arguments[2] : undefined;

  if (!props.preserveScrollTop) {
    return 0;
  }

  return action.type === _actions.UPDATE_SCROLL_TOP ? action.scrollTop : state;
}

function startConsecutiveToggle(props, state, action) {
  return action.type === _actions.START_CONSECUTIVE_TOGGLE ? action.id : state;
}

function reducer(props) {
  var state = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var action = arguments.length > 2 ? arguments[2] : undefined;
  return {
    initialScrollTop: initialScrollTop(props, state.initialScrollTop, action),
    consecutiveToggleStartId: startConsecutiveToggle(props, state.consecutiveToggleStartId, action)
  };
}