ErrorsSelector

ErrorsSelector.js

export const errorByActionSelector = (state = {}, action = '') => {
if (state.errors[action] && state.errors[action].message) {
    return { [action]: state.errors[action] };
  }
  return undefined;
 };

export const errorsSelector = (state = {}, actions = []) => {
const errors = actions.reduce((accumulator, action) => {
if (errorByActionSelector(state, action)) {
    return {
  …accumulator,
  …errorByActionSelector(state, action),
  };
 }
return accumulator;
}, {});
  
if (Object.keys(errors).length) {
  return errors;
}
  
  return undefined;
};