fix: Table column updating

packages/@react-aria/collections/src/Document.ts

@@ -182,6 +182,10 @@ export class BaseNode<T> {
       return;
     }
 
+    if (this._minInvalidChildIndex === child) {
+      this._minInvalidChildIndex = null;
+    }
+
     if (child.nextSibling) {
       this.invalidateChildIndices(child.nextSibling);
       child.nextSibling.previousSibling = child.previousSibling;

packages/@react-spectrum/s2/src/TableView.tsx

@@ -369,13 +369,13 @@ const centeredWrapper = style({
   height: 'full'
 });
 
-export interface TableBodyProps<T> extends Omit<RACTableBodyProps<T>, 'style' | 'className' | 'dependencies'> {}
+export interface TableBodyProps<T> extends Omit<RACTableBodyProps<T>, 'style' | 'className'> {}
 
 /**
  * The body of a `<Table>`, containing the table rows.
  */
 export const TableBody = /*#__PURE__*/ (forwardRef as forwardRefType)(function TableBody<T extends object>(props: TableBodyProps<T>, ref: DOMRef<HTMLDivElement>) {
-  let {items, renderEmptyState, children} = props;
+  let {items, renderEmptyState, children, dependencies = []} = props;
   let domRef = useDOMRef(ref);
   let {loadingState, onLoadMore} = useContext(InternalTableContext);
   let isLoading = loadingState === 'loading' || loadingState === 'loadingMore';
@@ -402,7 +402,7 @@ export const TableBody = /*#__PURE__*/ (forwardRef as forwardRefType)(function T
   if (typeof children === 'function' && items) {
     renderer = (
       <>
-        <Collection items={items}>
+        <Collection items={items} dependencies={dependencies}>
           {children}
         </Collection>
         {loadMoreSpinner}
@@ -1115,12 +1115,12 @@ const row = style<RowRenderProps & S2TableProps>({
   forcedColorAdjust: 'none'
 });
 
-export interface RowProps<T> extends Pick<RACRowProps<T>, 'id' | 'columns' | 'children' | 'textValue'>  {}
+export interface RowProps<T> extends Pick<RACRowProps<T>, 'id' | 'columns' | 'children' | 'textValue' | 'dependencies'>  {}
 
 /**
  * A row within a `<Table>`.
  */
-export const Row = /*#__PURE__*/ (forwardRef as forwardRefType)(function Row<T extends object>({id, columns, children, ...otherProps}: RowProps<T>, ref: DOMRef<HTMLDivElement>) {
+export const Row = /*#__PURE__*/ (forwardRef as forwardRefType)(function Row<T extends object>({id, columns, children, dependencies = [], ...otherProps}: RowProps<T>, ref: DOMRef<HTMLDivElement>) {
   let {selectionBehavior, selectionMode} = useTableOptions();
   let tableVisualOptions = useContext(InternalTableContext);
   let domRef = useDOMRef(ref);
@@ -1130,6 +1130,7 @@ export const Row = /*#__PURE__*/ (forwardRef as forwardRefType)(function Row<T e
       // @ts-ignore
       ref={domRef}
       id={id}
+      dependencies={[...dependencies, columns]}
       className={renderProps => row({
         ...renderProps,
         ...tableVisualOptions
@@ -1140,7 +1141,7 @@ export const Row = /*#__PURE__*/ (forwardRef as forwardRefType)(function Row<T e
           <Checkbox isEmphasized slot="selection" />
         </Cell>
       )}
-      <Collection items={columns}>
+      <Collection items={columns} dependencies={[...dependencies, columns]}>
         {children}
       </Collection>
     </RACRow>

packages/@react-spectrum/s2/stories/TableView.stories.tsx

@@ -153,6 +153,38 @@ const DynamicTable = (args: any) => (
   </TableView>
 );
 
+export const DynamicColumns = {
+  render: function DynamicColumnsExample(args: any) {
+    let [cols, setColumns] = useState(columns);
+    return (
+      <div style={{display: 'flex', flexDirection: 'column', gap: 12}}>
+        <ActionButton onPress={() => setColumns((prev) => prev.length > 3 ? [columns[0]].concat(columns.slice(2, 4)) : columns)}>Toggle columns</ActionButton>
+        <TableView aria-label="Dynamic table" {...args} styles={style({width: 320, height: 208})}>
+          <TableHeader columns={cols}>
+            {(column) => (
+              <Column width={150} minWidth={150} isRowHeader={column.isRowHeader}>{column.name}</Column>
+            )}
+          </TableHeader>
+          <TableBody items={items} dependencies={[cols]}>
+            {item => (
+              <Row id={item.id} columns={cols}>
+                {(col) => {
+                  return <Cell>{item[col.id]}</Cell>;
+                }}
+              </Row>
+            )}
+          </TableBody>
+        </TableView>
+      </div>
+    );
+  },
+  args: Example.args,
+  parameters: {
+    docs: {
+      disable: true
+    }
+  }
+};
 
 const DynamicTableWithCustomMenus = (args: any) => (
   <TableView aria-label="Dynamic table" {...args} styles={style({width: 320, height: 208})}>
@@ -817,39 +849,50 @@ export const FlexWidth = {
 };
 
 
+function ColSpanExample(args: any) {
+  let [hide, setHide] = useState(false);
+  return (
+    <div style={{display: 'flex', flexDirection: 'column', gap: 12}}>
+      <ActionButton onPress={() => setHide(!hide)}>{hide ? 'Show' : 'Hide'}</ActionButton>
+      <TableView aria-label="Files" {...args} styles={style({width: 320, height: 320})}>
+        <TableHeader>
+          <Column isRowHeader>Name</Column>
+          <Column>Type</Column>
+          {!hide && <Column>Date Modified</Column>}
+          <Column>Size</Column>
+        </TableHeader>
+        <TableBody>
+          <Row id="1">
+            <Cell>Games</Cell>
+            <Cell>File folder</Cell>
+            {!hide && <Cell>6/7/2020</Cell>}
+            <Cell>74 GB</Cell>
+          </Row>
+          <Row id="2">
+            <Cell>Program Files</Cell>
+            <Cell>File folder</Cell>
+            {!hide && <Cell>4/7/2021</Cell>}
+            <Cell>1.2 GB</Cell>
+          </Row>
+          <Row id="3">
+            <Cell>bootmgr</Cell>
+            <Cell>System file</Cell>
+            {!hide && <Cell>11/20/2010</Cell>}
+            <Cell>0.2 GB</Cell>
+          </Row>
+          <Row id="4">
+            <Cell colSpan={hide ? 3 : 4}>Total size: 75.4 GB</Cell>
+          </Row>
+        </TableBody>
+      </TableView>
+    </div>
+  );
+}
+
+
 export const ColSpan = {
   render: (args: any) => (
-    <TableView aria-label="Files" {...args} styles={style({width: 320, height: 320})}>
-      <TableHeader>
-        <Column isRowHeader>Name</Column>
-        <Column>Type</Column>
-        <Column>Date Modified</Column>
-        <Column>Size</Column>
-      </TableHeader>
-      <TableBody>
-        <Row id="1">
-          <Cell>Games</Cell>
-          <Cell>File folder</Cell>
-          <Cell>6/7/2020</Cell>
-          <Cell>74 GB</Cell>
-        </Row>
-        <Row id="2">
-          <Cell>Program Files</Cell>
-          <Cell>File folder</Cell>
-          <Cell>4/7/2021</Cell>
-          <Cell>1.2 GB</Cell>
-        </Row>
-        <Row id="3">
-          <Cell>bootmgr</Cell>
-          <Cell>System file</Cell>
-          <Cell>11/20/2010</Cell>
-          <Cell>0.2 GB</Cell>
-        </Row>
-        <Row id="4">
-          <Cell colSpan={4}>Total size: 75.4 GB</Cell>
-        </Row>
-      </TableBody>
-    </TableView>
+    <ColSpanExample {...args} />
   ),
   parameters: {
     docs: {

packages/dev/docs/pages/react-aria/collections.mdx

@@ -55,22 +55,22 @@ components like action menus where the items are built into the application rath
 
 ### Sections
 
-Sections or groups of items can be constructed by wrapping the items in a `<Section>` element. A `<Header>` can also be
-rendered within a `<Section>` to provide a section title.
+Sections or groups of items can be constructed by wrapping the items in a section element. A `<Header>` can also be
+rendered within a section to provide a section title.
 
 ```tsx
 <Menu>
-  <Section>
+  <MenuSection>
     <Header>Styles</Header>
     <MenuItem>Bold</MenuItem>
     <MenuItem>Underline</MenuItem>
-  </Section>
-  <Section>
+  </MenuSection>
+  <MenuSection>
     <Header>Align</Header>
     <MenuItem>Left</MenuItem>
     <MenuItem>Middle</MenuItem>
     <MenuItem>Right</MenuItem>
-  </Section>
+  </MenuSection>
 </Menu>
 ```
 
@@ -179,9 +179,28 @@ function addAnimal(name) {
 
 Note that `useListData` is a convenience hook, not a requirement. You can use any state management library to manage collection items.
 
+### Dependencies
+
+As described above, dynamic collections are automatically memoized to improve performance. Rendered item elements are cached based on the object identity
+of the list item. If rendering an item depends on additional external state, the `dependencies` prop must be provided. This invalidates rendered elements 
+similar to dependencies in React's `useMemo` hook.
+
+```tsx
+function Example(props) {
+  return (
+    <ListBox items={items} dependencies={[props.layout]}>
+      {item => <MyItem layout={props.layout}>{item.name}</MyItem>}
+    </ListBox>
+  );
+}
+```
+
+Note that adding dependencies will result in the _entire_ list being invalidated when a dependency changes. To avoid this and invalidate only an individual item,
+update the item object itself to include the information rather than accessing it from external state.
+
 ### Sections
 
-Sections can be built by returning a `<Section>` instead of an item from the top-level item renderer. Sections
+Sections can be built by returning a section instead of an item from the top-level item renderer. Sections
 also support an `items` prop and a render function for their children. If the section also has a header,
 the <TypeLink links={docs.links} type={docs.exports.Collection} /> component can be used to render the child items.
 
@@ -207,12 +226,12 @@ let [sections, setSections] = useState([
 
 <ListBox items={sections}>
   {section =>
-    <Section id={section.name}>
+    <ListBoxSection id={section.name}>
       <Header>{section.name}</Header>
       <Collection items={section.children}>
         {item => <ListBoxItem id={item.name}>{item.name}</ListBoxItem>}
       </Collection>
-    </Section>
+    </ListBoxSection>
   }
 </ListBox>
 ```
@@ -261,12 +280,12 @@ function addPerson(name) {
 
 <ListBox items={tree.items}>
   {node =>
-    <Section id={section.name} items={node.children}>
+    <ListBoxSection id={section.name} items={node.children}>
       <Header>{section.name}</Header>
       <Collection items={section.children}>
         {item => <ListBoxItem id={item.name}>{item.name}</ListBoxItem>}
       </Collection>
-    </Section>
+    </ListBoxSection>
   }
 </ListBox>
 ```

packages/react-aria-components/docs/CheckboxGroup.mdx

@@ -185,7 +185,7 @@ interface MyCheckboxGroupProps extends Omit<CheckboxGroupProps, 'children'> {
   errorMessage?: string | ((validation: ValidationResult) => string)
 }
 
-function MyCheckboxGroup({
+export function MyCheckboxGroup({
   label,
   description,
   errorMessage,

packages/react-aria-components/docs/Table.mdx

@@ -93,6 +93,7 @@ import {MyCheckbox} from './Checkbox';
 ```css hidden
 @import './Button.mdx' layer(button);
 @import './ToggleButton.mdx' layer(togglebutton);
+@import './CheckboxGroup.mdx' layer(checkboxgroup);
 @import './Checkbox.mdx' layer(checkbox);
 @import './Popover.mdx' layer(popover);
 @import './Menu.mdx' layer(menu);
@@ -431,47 +432,77 @@ Now we can render a table with a default selection column built in.
 
 So far, our examples have shown static collections, where the data is hard coded.
 Dynamic collections, as shown below, can be used when the table data comes from an external data source such as an API, or updates over time.
-In the example below, both the columns and the rows are provided to the table via a render function. You can also make the columns static and
-only the rows dynamic.
+In the example below, both the columns and the rows are provided to the table via a render function, enabling the user to hide and show columns
+and add additional rows. You can also make the columns static and only the rows dynamic.
+
+**Note**: Dynamic collections are automatically memoized to improve performance. Use the `dependencies` prop to invalidate cached elements that depend
+on external state (e.g. `columns` in this example). See the [collections](collections.html#dependencies) guide for more details.
 
 ```tsx example export=true
 import type {TableProps} from 'react-aria-components';
+import {MyCheckboxGroup} from './CheckboxGroup';
+import {MyCheckbox} from './Checkbox';
 
 function FileTable(props: TableProps) {
+  let [showColumns, setShowColumns] = React.useState(['name', 'type', 'date']);
   let columns = [
     {name: 'Name', id: 'name', isRowHeader: true},
     {name: 'Type', id: 'type'},
     {name: 'Date Modified', id: 'date'}
-  ];
+  ].filter(column => showColumns.includes(column.id));
 
-  let rows = [
+  let [rows, setRows] = React.useState([
     {id: 1, name: 'Games', date: '6/7/2020', type: 'File folder'},
     {id: 2, name: 'Program Files', date: '4/7/2021', type: 'File folder'},
     {id: 3, name: 'bootmgr', date: '11/20/2010', type: 'System file'},
     {id: 4, name: 'log.txt', date: '1/18/2016', type: 'Text Document'}
-  ];
+  ]);
+
+  let addRow = () => {
+    let date = new Date().toLocaleDateString();
+    setRows(rows => [
+      ...rows,
+      {id: rows.length + 1, name: 'file.txt', date, type: 'Text Document'}
+    ]);
+  };
 
   return (
-    <Table aria-label="Files" {...props}>
-      <MyTableHeader columns={columns}>
-        {column => (
-          <Column isRowHeader={column.isRowHeader}>
-            {column.name}
-          </Column>
-        )}
-      </MyTableHeader>
-      <TableBody items={rows}>
-        {item => (
-          <MyRow columns={columns}>
-            {column => <Cell>{item[column.id]}</Cell>}
-          </MyRow>
-        )}
-      </TableBody>
-    </Table>
+    <div className="flex-col">
+      <MyCheckboxGroup aria-label="Show columns" value={showColumns} onChange={setShowColumns} style={{flexDirection: 'row'}}>
+        <MyCheckbox value="type">Type</MyCheckbox>
+        <MyCheckbox value="date">Date Modified</MyCheckbox>
+      </MyCheckboxGroup>
+      <Table aria-label="Files" {...props}>
+        <MyTableHeader columns={columns}>
+          {column => (
+            <Column isRowHeader={column.isRowHeader}>
+              {column.name}
+            </Column>
+          )}
+        </MyTableHeader>
+        <TableBody items={rows} dependencies={[columns]}>
+          {item => (
+            <MyRow columns={columns}>
+              {column => <Cell>{item[column.id]}</Cell>}
+            </MyRow>
+          )}
+        </TableBody>
+      </Table>
+      <Button onPress={addRow}>Add row</Button>
+    </div>
   );
 }
 ```
 
+```css hidden
+.flex-col {
+  display: flex;
+  flex-direction: column;
+  gap: 8;
+  align-items: start;
+}
+```
+
 ## Selection
 
 ### Single selection