Material React Table

1import { useMemo, useState } from 'react';
2import {
3  MaterialReactTable,
4  // createRow,
5  type MRT_ColumnDef,
6  type MRT_Row,
7  type MRT_TableOptions,
8  useMaterialReactTable,
9} from 'material-react-table';
10import {
11  Box,
12  Button,
13  CircularProgress,
14  IconButton,
15  Tooltip,
16  Typography,
17} from '@mui/material';
18import {
19  QueryClient,
20  QueryClientProvider,
21  useMutation,
22  useQuery,
23  useQueryClient,
24} from '@tanstack/react-query';
25import { type User, fakeData, usStates } from './makeData';
26import EditIcon from '@mui/icons-material/Edit';
27import DeleteIcon from '@mui/icons-material/Delete';
28
29const Example = () => {
30  const [validationErrors, setValidationErrors] = useState<
31    Record<string, string | undefined>
32  >({});
33  //keep track of rows that have been edited
34  const [editedUsers, setEditedUsers] = useState<Record<string, User>>({});
35
36  const columns = useMemo<MRT_ColumnDef<User>[]>(
37    () => [
38      {
39        accessorKey: 'id',
40        header: 'Id',
41        enableEditing: false,
42        size: 80,
43      },
44      {
45        accessorKey: 'firstName',
46        header: 'First Name',
47        muiEditTextFieldProps: ({ cell, row }) => ({
48          type: 'text',
49          required: true,
50          error: !!validationErrors?.[cell.id],
51          helperText: validationErrors?.[cell.id],
52          //store edited user in state to be saved later
53          onBlur: (event) => {
54            const validationError = !validateRequired(event.currentTarget.value)
55              ? 'Required'
56              : undefined;
57            setValidationErrors({
58              ...validationErrors,
59              [cell.id]: validationError,
60            });
61            setEditedUsers({ ...editedUsers, [row.id]: row.original });
62          },
63        }),
64      },
65      {
66        accessorKey: 'lastName',
67        header: 'Last Name',
68        muiEditTextFieldProps: ({ cell, row }) => ({
69          type: 'text',
70          required: true,
71          error: !!validationErrors?.[cell.id],
72          helperText: validationErrors?.[cell.id],
73          //store edited user in state to be saved later
74          onBlur: (event) => {
75            const validationError = !validateRequired(event.currentTarget.value)
76              ? 'Required'
77              : undefined;
78            setValidationErrors({
79              ...validationErrors,
80              [cell.id]: validationError,
81            });
82            setEditedUsers({ ...editedUsers, [row.id]: row.original });
83          },
84        }),
85      },
86      {
87        accessorKey: 'email',
88        header: 'Email',
89        muiEditTextFieldProps: ({ cell, row }) => ({
90          type: 'email',
91          required: true,
92          error: !!validationErrors?.[cell.id],
93          helperText: validationErrors?.[cell.id],
94          //store edited user in state to be saved later
95          onBlur: (event) => {
96            const validationError = !validateEmail(event.currentTarget.value)
97              ? 'Incorrect Email Format'
98              : undefined;
99            setValidationErrors({
100              ...validationErrors,
101              [cell.id]: validationError,
102            });
103            setEditedUsers({ ...editedUsers, [row.id]: row.original });
104          },
105        }),
106      },
107      {
108        accessorKey: 'state',
109        header: 'State',
110        editVariant: 'select',
111        editSelectOptions: usStates,
112        muiEditTextFieldProps: ({ row }) => ({
113          select: true,
114          error: !!validationErrors?.state,
115          helperText: validationErrors?.state,
116          onChange: (event) =>
117            setEditedUsers({
118              ...editedUsers,
119              [row.id]: { ...row.original, state: event.target.value },
120            }),
121        }),
122      },
123    ],
124    [editedUsers, validationErrors],
125  );
126
127  //call CREATE hook
128  const { mutateAsync: createUser, isPending: isCreatingUser } =
129    useCreateUser();
130  //call READ hook
131  const {
132    data: fetchedUsers = [],
133    isError: isLoadingUsersError,
134    isFetching: isFetchingUsers,
135    isLoading: isLoadingUsers,
136  } = useGetUsers();
137  //call UPDATE hook
138  const { mutateAsync: updateUsers, isPending: isUpdatingUsers } =
139    useUpdateUsers();
140  //call DELETE hook
141  const { mutateAsync: deleteUser, isPending: isDeletingUser } =
142    useDeleteUser();
143
144  //CREATE action
145  const handleCreateUser: MRT_TableOptions<User>['onCreatingRowSave'] = async ({
146    values,
147    table,
148  }) => {
149    const newValidationErrors = validateUser(values);
150    if (Object.values(newValidationErrors).some((error) => error)) {
151      setValidationErrors(newValidationErrors);
152      return;
153    }
154    setValidationErrors({});
155    await createUser(values);
156    table.setCreatingRow(null); //exit creating mode
157  };
158
159  //UPDATE action
160  const handleSaveUsers = async () => {
161    if (Object.values(validationErrors).some((error) => !!error)) return;
162    await updateUsers(Object.values(editedUsers));
163    setEditedUsers({});
164  };
165
166  //DELETE action
167  const openDeleteConfirmModal = (row: MRT_Row<User>) => {
168    if (window.confirm('Are you sure you want to delete this user?')) {
169      deleteUser(row.original.id);
170    }
171  };
172
173  const table = useMaterialReactTable({
174    columns,
175    data: fetchedUsers,
176    createDisplayMode: 'row', // ('modal', and 'custom' are also available)
177    editDisplayMode: 'table', // ('modal', 'row', 'cell', and 'custom' are also
178    enableEditing: true,
179    enableRowActions: true,
180    positionActionsColumn: 'last',
181    getRowId: (row) => row.id,
182    muiToolbarAlertBannerProps: isLoadingUsersError
183      ? {
184          color: 'error',
185          children: 'Error loading data',
186        }
187      : undefined,
188    muiTableContainerProps: {
189      sx: {
190        minHeight: '500px',
191      },
192    },
193    onCreatingRowCancel: () => setValidationErrors({}),
194    onCreatingRowSave: handleCreateUser,
195    renderRowActions: ({ row }) => (
196      <Box sx={{ display: 'flex', gap: '1rem' }}>
197        <Tooltip title="Delete">
198          <IconButton color="error" onClick={() => openDeleteConfirmModal(row)}>
199            <DeleteIcon />
200          </IconButton>
201        </Tooltip>
202      </Box>
203    ),
204    renderBottomToolbarCustomActions: () => (
205      <Box sx={{ display: 'flex', gap: '1rem', alignItems: 'center' }}>
206        <Button
207          color="success"
208          variant="contained"
209          onClick={handleSaveUsers}
210          disabled={
211            Object.keys(editedUsers).length === 0 ||
212            Object.values(validationErrors).some((error) => !!error)
213          }
214        >
215          {isUpdatingUsers ? <CircularProgress size={25} /> : 'Save'}
216        </Button>
217        {Object.values(validationErrors).some((error) => !!error) && (
218          <Typography color="error">Fix errors before submitting</Typography>
219        )}
220      </Box>
221    ),
222    renderTopToolbarCustomActions: ({ table }) => (
223      <Button
224        variant="contained"
225        onClick={() => {
226          table.setCreatingRow(true); //simplest way to open the create row modal with no default values
227          //or you can pass in a row object to set default values with the `createRow` helper function
228          // table.setCreatingRow(
229          //   createRow(table, {
230          //     //optionally pass in default values for the new row, useful for nested data or other complex scenarios
231          //   }),
232          // );
233        }}
234      >
235        Create New User
236      </Button>
237    ),
238    state: {
239      isLoading: isLoadingUsers,
240      isSaving: isCreatingUser || isUpdatingUsers || isDeletingUser,
241      showAlertBanner: isLoadingUsersError,
242      showProgressBars: isFetchingUsers,
243    },
244  });
245
246  return <MaterialReactTable table={table} />;
247};
248
249//CREATE hook (post new user to api)
250function useCreateUser() {
251  const queryClient = useQueryClient();
252  return useMutation({
253    mutationFn: async (user: User) => {
254      //send api update request here
255      await new Promise((resolve) => setTimeout(resolve, 1000)); //fake api call
256      return Promise.resolve();
257    },
258    //client side optimistic update
259    onMutate: (newUserInfo: User) => {
260      queryClient.setQueryData(
261        ['users'],
262        (prevUsers: any) =>
263          [
264            ...prevUsers,
265            {
266              ...newUserInfo,
267              id: (Math.random() + 1).toString(36).substring(7),
268            },
269          ] as User[],
270      );
271    },
272    // onSettled: () => queryClient.invalidateQueries({ queryKey: ['users'] }), //refetch users after mutation, disabled for demo
273  });
274}
275
276//READ hook (get users from api)
277function useGetUsers() {
278  return useQuery<User[]>({
279    queryKey: ['users'],
280    queryFn: async () => {
281      //send api request here
282      await new Promise((resolve) => setTimeout(resolve, 1000)); //fake api call
283      return Promise.resolve(fakeData);
284    },
285    refetchOnWindowFocus: false,
286  });
287}
288
289//UPDATE hook (put user in api)
290function useUpdateUsers() {
291  const queryClient = useQueryClient();
292  return useMutation({
293    mutationFn: async (users: User[]) => {
294      //send api update request here
295      await new Promise((resolve) => setTimeout(resolve, 1000)); //fake api call
296      return Promise.resolve();
297    },
298    //client side optimistic update
299    onMutate: (newUsers: User[]) => {
300      queryClient.setQueryData(
301        ['users'],
302        (prevUsers: any) =>
303          prevUsers?.map((user: User) => {
304            const newUser = newUsers.find((u) => u.id === user.id);
305            return newUser ? newUser : user;
306          }),
307      );
308    },
309    // onSettled: () => queryClient.invalidateQueries({ queryKey: ['users'] }), //refetch users after mutation, disabled for demo
310  });
311}
312
313//DELETE hook (delete user in api)
314function useDeleteUser() {
315  const queryClient = useQueryClient();
316  return useMutation({
317    mutationFn: async (userId: string) => {
318      //send api update request here
319      await new Promise((resolve) => setTimeout(resolve, 1000)); //fake api call
320      return Promise.resolve();
321    },
322    //client side optimistic update
323    onMutate: (userId: string) => {
324      queryClient.setQueryData(
325        ['users'],
326        (prevUsers: any) =>
327          prevUsers?.filter((user: User) => user.id !== userId),
328      );
329    },
330    // onSettled: () => queryClient.invalidateQueries({ queryKey: ['users'] }), //refetch users after mutation, disabled for demo
331  });
332}
333
334const queryClient = new QueryClient();
335
336const ExampleWithProviders = () => (
337  //Put this with your other react-query providers near root of your app
338  <QueryClientProvider client={queryClient}>
339    <Example />
340  </QueryClientProvider>
341);
342
343export default ExampleWithProviders;
344
345const validateRequired = (value: string) => !!value.length;
346const validateEmail = (email: string) =>
347  !!email.length &&
348  email
349    .toLowerCase()
350    .match(
351      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/,
352    );
353
354function validateUser(user: User) {
355  return {
356    firstName: !validateRequired(user.firstName)
357      ? 'First Name is Required'
358      : '',
359    lastName: !validateRequired(user.lastName) ? 'Last Name is Required' : '',
360    email: !validateEmail(user.email) ? 'Incorrect Email Format' : '',
361  };
362}
363