lib/trace/reducers.js

import { combineReducers } from "redux";

import * as actions from "./actions";

export function index(state = 0, action) {
  if (action.type == actions.TOCK || action.type == actions.END_OF_TRACE) {
    return state + 1;
  } else {
    return state;
  }
}

export function steps(state = null, action) {
  if (action.type == actions.SAVE_STEPS) {
    return action.steps;
  } else {
    return state;
  }
}

const info = combineReducers({
  steps
})

const proc = combineReducers({
  index
})

const reducer = combineReducers({
  info,
  proc
});

export default reducer;