error.js

// Must be defined before thunk
const promiseCatcher = store => next => action => {
    if (typeof action !== 'function') {
        return next(action);
    }
    const decoratedAction = (dispatch, getState) => {
        const p = action(dispatch, getState);
        return Promise.resolve(p).then(err => console.log(action));
    };
    return next(decoratedAction);
}