@ricepuddin/redux-segment/examples/angular2-redux/src/reducers/counter.ts

Segment.io analytics integration for redux.

import { INCREMENT_COUNTER, DECREMENT_COUNTER } from '../actions/counter';

export default function counter(state = 0, action) {
  switch (action.type) {
    case INCREMENT_COUNTER:
      return state + 1;
    case DECREMENT_COUNTER:
      return state - 1;
    default:
      return state;
  }
}