redux-easy2-crud/src/reducers/docs.js

Easy crud programming with Redux

import {
   CREATE_SUCCESS,
   DELETE_SUCCESS,
   UPDATE_SUCCESS,
   READ_SUCCESS
} from "../constants/docs";

export default function docs(state, path, action) {
   if (action.path && action.path !== path)
      return state

   switch (action.type) {

      case READ_SUCCESS:
         return [...action.docs]

      case CREATE_SUCCESS:
      case UPDATE_SUCCESS:
         if (state instanceof Array) {
            var found = false
            let res = state.map(doc => {
               if (doc.id === action.id) {
                  found = true
                  return action
               }
               else
                  return doc
            })
            if (found)
               return res
            else
               return [...state, action]
         }
         else
            return {...state, ...action}

      case DELETE_SUCCESS:
         if (state instanceof Array)
            return state.filter(doc => {
               return doc.id !== action.id
            })
         else
            return state

      default:
         return state
   }
}


function id() {
   return Math.random().toString(36).substring(7)
}