CoreAction
export default class CoreAction {
    constructor(payload = {}, props = {}) {
        this.type = 'action_' + this.constructor.name
        this.payload = payload
        this.props = props
    }
}

AddDeveloperAction
import CoreAction from './CoreAction'
import { List } from 'immutable'
import { init } from '../utils'

export default class AddDeveloperAction extends CoreAction {
    run(state) {
        return init({
            ...state,
            developerList: List(state.developerList)
                .push({
                    id: this.payload.id
                }).toJS()
        })
    }
}

classMiddleware
export const classMiddleware = store => next => action => {
     if (action instanceof CoreAction) {
        return next({
            type: action.type,
            payload: action.run(store.getState().yourReducer, store.dispatch)
        })
    }

    return next(action)
}