ruddy/cjs/middleware/enhancers.js

Modularized state-management tools for modern front-end applications. Manage dispatched messages in a clean and predictable way for either small or large scale projects

'use strict';

exports.__esModule = true;

var _ = require('ramda/src/__');

var _2 = _interopRequireDefault(_);

var _test = require('ramda/src/test');

var _test2 = _interopRequireDefault(_test);

var _is = require('ramda/src/is');

var _is2 = _interopRequireDefault(_is);

var _curry = require('ramda/src/curry');

var _curry2 = _interopRequireDefault(_curry);

var _is3 = require('../util/is');

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

var createDispatchHandler = (0, _curry2.default)(function (dispatch, originalAction, nextAction) {
  if ((0, _is3.isAction)(nextAction)) {
    if (nextAction.type !== originalAction.type) {
      return dispatch(nextAction);
    }
    return nextAction;
  }
  return originalAction;
});

exports.default = (0, _curry2.default)(function (logger, dispatch, enhancers, action) {
  var handleDispatch = createDispatchHandler(dispatch, action);
  if ((0, _is2.default)(Array, enhancers)) {
    var isPatternMatch = (0, _test2.default)(_2.default, action.type);
    enhancers.forEach(function (_ref) {
      var pred = _ref[0],
          en = _ref[1];

      if ((0, _is2.default)(RegExp, pred) && isPatternMatch(pred) || (0, _is2.default)(String, pred) && pred === action.type || (0, _is2.default)(Function, pred) && pred(action)) {
        try {
          var nextAction = en(action);
          handleDispatch(nextAction);
        } catch (error) {
          logger.error('Unable to enhance action: "' + action.type + '"', error);
        }
      }
    });
  } else if ((0, _is3.isPlainObj)(enhancers)) {
    var enhance = enhancers[action.type];
    if ((0, _is2.default)(Function, enhance)) {
      try {
        var nextAction = enhance(action);
        return handleDispatch(nextAction);
      } catch (error) {
        logger.error('Unable to enhance action: "' + action.type + '"', error);
      }
    }
  }
  return action;
});