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Row Virtualization Example

Material React Table has a built-in row virtualization feature (via @tanstack/react-virtual) that allows you to render a large number of rows without major performance issues that you would normally see with a large number of DOM elements.

Try out the performance of the table below with 10,000 rows! Filtering, Search, and Sorting also maintain usable performance.

Be sure to also check out the full virtualization feature guide docs to learn about both Row and Column Virtualization.

NOTE: You should only enable row virtualization if you have a large number of rows or columns. Depending on the size of the table, if you are rendering fewer than a couple dozen rows at a time, you will actually just be adding extra overhead to the table renders. Virtualization only becomes necessary when you have over 50 rows or so at the same time with no pagination or dozens of columns.

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Demo

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Source Code

1import { useEffect, useMemo, useRef, useState } from 'react';
2import {
3 MaterialReactTable,
4 useMaterialReactTable,
5 type MRT_ColumnDef,
6 type MRT_SortingState,
7 type MRT_RowVirtualizer,
8} from 'material-react-table';
9import { makeData, type Person } from './makeData';
10
11const Example = () => {
12 const columns = useMemo<MRT_ColumnDef<Person>[]>(
13 //column definitions...
58 );
59
60 //optionally access the underlying virtualizer instance
61 const rowVirtualizerInstanceRef = useRef<MRT_RowVirtualizer>(null);
62
63 const [data, setData] = useState<Person[]>([]);
64 const [isLoading, setIsLoading] = useState(true);
65 const [sorting, setSorting] = useState<MRT_SortingState>([]);
66
67 useEffect(() => {
68 if (typeof window !== 'undefined') {
69 setData(makeData(10_000));
70 setIsLoading(false);
71 }
72 }, []);
73
74 useEffect(() => {
75 //scroll to the top of the table when the sorting changes
76 try {
77 rowVirtualizerInstanceRef.current?.scrollToIndex?.(0);
78 } catch (error) {
79 console.error(error);
80 }
81 }, [sorting]);
82
83 const table = useMaterialReactTable({
84 columns,
85 data, //10,000 rows
86 enableBottomToolbar: false,
87 enableGlobalFilterModes: true,
88 enablePagination: false,
89 enableRowNumbers: true,
90 enableRowVirtualization: true,
91 muiTableContainerProps: { sx: { maxHeight: '600px' } },
92 onSortingChange: setSorting,
93 state: { isLoading, sorting },
94 rowVirtualizerInstanceRef, //optional
95 rowVirtualizerOptions: { overscan: 5 }, //optionally customize the row virtualizer
96 });
97
98 return <MaterialReactTable table={table} />;
99};
100
101export default Example;
102

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