/Javascript/React/React Redux reducer crud

React Redux reducer crud

import {
  CREATE_TUTORIAL,
  RETRIEVE_TUTORIALS,
  UPDATE_TUTORIAL,
  DELETE_TUTORIAL,
  DELETE_ALL_TUTORIALS,
} from "../actions/types";

const initialState = [];

function tutorialReducer(tutorials = initialState, action) {
  const { type, payload } = action;

  switch (type) {
    case CREATE_TUTORIAL:
      return [...tutorials, payload];

    case RETRIEVE_TUTORIALS:
      return payload;

    case UPDATE_TUTORIAL:
      return tutorials.map((tutorial) => {
        if (tutorial.id === payload.id) {
          return {
            ...tutorial,
            ...payload,
          };
        } else {
          return tutorial;
        }
      });

    case DELETE_TUTORIAL:
      return tutorials.filter(({ id }) => id !== payload.id);

    case DELETE_ALL_TUTORIALS:
      return [];

    default:
      return tutorials;
  }
};

export default tutorialReducer;

Source: bezkoder.com

Similar codes

0 vote301 views1 answer
React grid generator
Javascript React
2 votes297 views2 answers
Display image base64 in REACT NATIVE
Javascript React
0 vote308 views1 answer
How to get year in react
Javascript React
0 vote330 views1 answer
Setstate to false after 10 sec react native
Javascript React
0 vote245 views2 answers
React foreach loop
Javascript React
3 votes256 views5 answers
./src/App.js Attempted import error: 'Switch' is not exported from 'react-router-dom'.
Javascript React
1 vote284 views2 answers
What is super(props) in react
Javascript React
18 votes262 views6 answers
React-native make android apk
Javascript React
0 vote240 views1 answer
React native webview disable touch
Javascript React
6 votes263 views1 answer
'useHistory' is not exported from 'react-router-dom'.
Javascript React