attadux/es/middleware/effects.js

Implementation of the redux-modular-ducks, forked from the extensible-duck implementation and extended to include spected validators, state machines, helpers, web workers, effect handling, action multipliers, action enhancers, action throttling/debouncing

import _default from 'ramda/src/curry';

import { isPromise, isAction } from '../util/is';

export var resultHandler = _default(function (dispatch, action, result) {
    if (isAction(result) && action.type !== result.type) {
        dispatch(result);
    }
});

export default _default(function (logger, effects, dispatch, action) {
    var handleResult = resultHandler(dispatch, action);
    effects.forEach(function (effect) {
        var result = effect(action);
        if (isPromise(result)) {
            result.then(handleResult);
        } else {
            handleResult(result);
        }
    });
    return action;
});