text: export const AUTH_USER = 'auth_user';
  export const UNAUTH_USER = 'unauth_user';
  
  export const FETCH_PROFILE = 'fetch_profile';
  export const CLEAR_PROFILE = 'clear_profile';
  export const UPDATE_PROFILE = 'update_profile';
  
  export const FETCH_CHART = 'fetch_chart';
  export const FETCH_CHART2 = 'fetch_chart2';
  export const FETCH_TESTDATA = 'fetch_testdata';
  
  export const FETCH_POSTS = 'fetch_posts';
  export const CREATE_POST = 'create_post';
  export const FETCH_POST = 'fetch_post';
  export const UPDATE_POST = 'update_post';
  export const DELETE_POST = 'delete_post';
  
  export const CHECK_AUTHORITY = 'check_authority';  // check if the user has the authority to make change to a specific post
  
  export const CREATE_COMMENT = 'create_comment';
  export const FETCH_COMMENTS = 'fetch_comments';