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Passing generateGroupId props #3520

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Passing generateGroupId props #3520

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7324005
Passing generateGroupId props
Luisgustavom1 Jun 4, 2024
c57c77a
expand all levels
Luisgustavom1 Jun 4, 2024
d3ea22e
conditional props in test
Luisgustavom1 Jun 4, 2024
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16 changes: 13 additions & 3 deletions src/TreeDataGrid.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ export interface TreeDataGridProps<R, SR = unknown, K extends Key = Key>
) => Record<string, readonly NoInfer<R>[]>;
expandedGroupIds: ReadonlySet<unknown>;
onExpandedGroupIdsChange: (expandedGroupIds: Set<unknown>) => void;
generateGroupId?: (groupKey: string, parentId?: string) => string;
}

type GroupByDictionary<TRow> = Record<
Expand All @@ -62,6 +63,7 @@ function TreeDataGrid<R, SR, K extends Key>(
rowGrouper,
expandedGroupIds,
onExpandedGroupIdsChange,
generateGroupId,
...props
}: TreeDataGridProps<R, SR, K>,
ref: React.Ref<DataGridHandle>
Expand Down Expand Up @@ -144,6 +146,15 @@ function TreeDataGrid<R, SR, K extends Key>(
if (!groupedRows) return [rawRows, isGroupRow];

const flattenedRows: Array<R | GroupRow<R>> = [];

const groupIdGenerator = (groupKey: string, parentId?: string) => {
if (generateGroupId !== undefined && typeof generateGroupId === 'function') {
return generateGroupId(groupKey, parentId);
}

return `${parentId}__${groupKey}`;
};

const expandGroup = (
rows: GroupByDictionary<R> | readonly R[],
parentId: string | undefined,
Expand All @@ -154,8 +165,7 @@ function TreeDataGrid<R, SR, K extends Key>(
return;
}
Object.keys(rows).forEach((groupKey, posInSet, keys) => {
// TODO: should users have control over the generated key?
const id = parentId !== undefined ? `${parentId}__${groupKey}` : groupKey;
const id = groupIdGenerator(groupKey, parentId);
const isExpanded = expandedGroupIds.has(id);
const { childRows, childGroups, startRowIndex } = rows[groupKey];

Expand Down Expand Up @@ -185,7 +195,7 @@ function TreeDataGrid<R, SR, K extends Key>(
function isGroupRow(row: R | GroupRow<R>): row is GroupRow<R> {
return allGroupRows.has(row);
}
}, [expandedGroupIds, groupedRows, rawRows]);
}, [expandedGroupIds, groupedRows, rawRows, generateGroupId]);

const rowHeight = useMemo(() => {
if (typeof rawRowHeight === 'function') {
Expand Down
38 changes: 35 additions & 3 deletions test/TreeDataGrid.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,12 @@ function rowKeyGetter(row: Row) {
return row.id;
}

function TestGrid({ groupBy }: { groupBy: string[] }) {
interface TestGridProps {
groupBy: string[];
generateGroupId: ((groupKey: string, parentId?: string) => string) | undefined;
}

function TestGrid({ groupBy, generateGroupId }: TestGridProps) {
const [rows, setRows] = useState(initialRows);
const [selectedRows, setSelectedRows] = useState((): ReadonlySet<number> => new Set());
const [expandedGroupIds, setExpandedGroupIds] = useState(
Expand Down Expand Up @@ -122,12 +127,16 @@ function TestGrid({ groupBy }: { groupBy: string[] }) {
onExpandedGroupIdsChange={setExpandedGroupIds}
onRowsChange={setRows}
onPaste={onPaste}
{...(generateGroupId && { generateGroupId })}
/>
);
}

function setup(groupBy: string[]) {
render(<TestGrid groupBy={groupBy} />);
function setup(
groupBy: string[],
generateGroupId?: (groupKey: string, parentId?: string) => string
) {
render(<TestGrid groupBy={groupBy} generateGroupId={generateGroupId} />);
}

function getHeaderCellsContent() {
Expand Down Expand Up @@ -161,6 +170,15 @@ test('should group by multiple columns', () => {
expect(getRows()).toHaveLength(4);
});

test('should group by multiple columns when passing generateGroupId', () => {
setup(['country', 'year'], (groupKey, parentId) =>
parentId !== undefined ? `${groupKey}#${parentId}` : groupKey
);
expect(getTreeGrid()).toHaveAttribute('aria-rowcount', '13');
expect(getHeaderCellsContent()).toStrictEqual(['', 'Country', 'Year', 'Sport', 'Id']);
expect(getRows()).toHaveLength(4);
});

test('should ignore duplicate groupBy columns', () => {
setup(['year', 'year', 'year']);
expect(getTreeGrid()).toHaveAttribute('aria-rowcount', '10');
Expand All @@ -184,6 +202,20 @@ test('should toggle group when group cell is clicked', async () => {
expect(getRows()).toHaveLength(5);
});

test('should toggle group when group cell is clicked and is passing `generateGroupId` props', async () => {
setup(['country', 'year'], (groupKey, parentId) =>
parentId !== undefined ? `${groupKey}#${parentId}` : groupKey
);
expect(getTreeGrid()).toHaveAttribute('aria-rowcount', '13');
expect(getHeaderCellsContent()).toStrictEqual(['', 'Country', 'Year', 'Sport', 'Id']);
await userEvent.click(screen.getByRole('gridcell', { name: 'USA' }));
expect(getRows()).toHaveLength(6);
await userEvent.click(screen.getByRole('gridcell', { name: 'Canada' }));
expect(getRows()).toHaveLength(8);
await userEvent.click(screen.getByRole('gridcell', { name: '2020' }));
expect(getRows()).toHaveLength(9);
});

test('should toggle group using keyboard', async () => {
setup(['year']);
expect(getRows()).toHaveLength(5);
Expand Down