vite-react/src/store/reducer/todo.ts

import {ADD, REMOVE} from "@/store/constant/todo"
import {combineReducers} from "redux";

let initData: ITodo[] = []

const todos = (state = initData, action: IAction) => {
  switch (action.type) {
    case ADD:
      return [
        ...state,
        {
          id: action.id,
          text: action.text
        }
      ]
    case REMOVE:
      const list = state.filter(v => v.id != action.id)
      return [
        ...list
      ]
    default:
      return state
  }
}

export default todos;