@integec/common-react-screens/lib/utils/index.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createSimpleReducer = exports.registerWindowResize = exports.fromEmpty = undefined;

var _data = require('data.maybe');

var _debounce = require('debounce');

var _debounce2 = _interopRequireDefault(_debounce);

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

var fromEmpty = exports.fromEmpty = function fromEmpty(val) {
  return (0, _data.fromNullable)(val).chain(function (v) {
    return v == null ? (0, _data.Nothing)() : (0, _data.Just)(v);
  });
};

// TODO can be moved to a separate module to speed up app start
var registerWindowResize = exports.registerWindowResize = function registerWindowResize(_ref) {
  var store = _ref.store,
      actionName = _ref.actionName;

  var changeScreenSize = function changeScreenSize(win) {
    return {
      type: actionName,
      payload: {
        width: win.innerWidth,
        height: win.innerHeight
      }
    };
  };

  if (window) {
    //* * need to de bounce this event***/
    /* eslint-disable no-console */
    console.log('registering window size....');
    var windowSizeListener = (0, _debounce2.default)(function (e) {
      return store.dispatch(changeScreenSize(e.target));
    }, 300);
    window.addEventListener('resize', windowSizeListener);
    store.dispatch(changeScreenSize(window));
    /* eslint-enable no-console */
  }
};

/** redux tools */
var createSimpleReducer = exports.createSimpleReducer = function createSimpleReducer(_ref2) {
  var defaultState = _ref2.defaultState,
      initialState = _ref2.initialState,
      actionName = _ref2.actionName;
  return function () {
    var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState || defaultState || [];
    var action = arguments[1];

    switch (action.type) {
      case actionName:
        return action.payload;
    }
    return state;
  };
};
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