strapi/packages/strapi-plugin-users-permissions/admin/src/hooks/useFetchRole/index.js

import { useCallback, useReducer, useEffect } from 'react';
import { request } from 'strapi-helper-plugin';

import reducer, { initialState } from './reducer';

import pluginId from '../../pluginId';

const useFetchRole = id => {
  const [state, dispatch] = useReducer(reducer, initialState);

  useEffect(() => {
    if (id) {
      fetchRole(id);
    } else {
      dispatch({
        type: 'GET_DATA_SUCCEEDED',
        role: {},
      });
    }

    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [id]);

  const fetchRole = async roleId => {
    try {
      const { role } = await request(`/${pluginId}/roles/${roleId}`, { method: 'GET' });

      dispatch({
        type: 'GET_DATA_SUCCEEDED',
        role,
      });
    } catch (err) {
      console.error(err);

      dispatch({
        type: 'GET_DATA_ERROR',
      });
      strapi.notification.toggle({
        type: 'warning',
        message: { id: 'notification.error' },
      });
    }
  };

  const handleSubmitSucceeded = useCallback(data => {
    dispatch({
      type: 'ON_SUBMIT_SUCCEEDED',
      ...data,
    });
  }, []);

  return { ...state, onSubmitSucceeded: handleSubmitSucceeded };
};

export default useFetchRole;