feat: new sortUndefined last and first options (#5486)

fixes #5191
fixes #4113

docs/api/features/sorting.md

@@ -123,16 +123,22 @@ Inverts the order of the sorting for this column. This is useful for values that
 ### `sortUndefined`
 
 ```tsx
-sortUndefined?: false | -1 | 1 // defaults to 1
+sortUndefined?: 'first' | 'last' | false | -1 | 1 // defaults to 1
 ```
 
+- `'first'`
+  - Undefined values will be pushed to the beginning of the list
+- `'last'`
+  - Undefined values will be pushed to the end of the list
 - `false`
   - Undefined values will be considered tied and need to be sorted by the next column filter or original index (whichever applies)
 - `-1`
   - Undefined values will be sorted with higher priority (ascending) (if ascending, undefined will appear on the beginning of the list)
 - `1`
   - Undefined values will be sorted with lower priority (descending) (if ascending, undefined will appear on the end of the list)
 
+> NOTE: `'first'` and `'last'` options are new in v8.16.0
+
 ## Column API
 
 ### `getAutoSortingFn`

docs/guide/sorting.md

@@ -284,16 +284,20 @@ Any undefined or nullish values will be sorted to the beginning or end of the li
 
 In not specified, the default value for `sortUndefined` is `1`, and undefined values will be sorted with lower priority (descending), if ascending, undefined will appear on the end of the list.
 
+- `'first'` - Undefined values will be pushed to the beginning of the list
+- `'last'` - Undefined values will be pushed to the end of the list
 - `false` - Undefined values will be considered tied and need to be sorted by the next column filter or original index (whichever applies)
 - `-1` - Undefined values will be sorted with higher priority (ascending) (if ascending, undefined will appear on the beginning of the list)
 - `1` - Undefined values will be sorted with lower priority (descending) (if ascending, undefined will appear on the end of the list)
 
+> NOTE: `'first'` and `'last'` options are new in v8.16.0
+
 ```jsx
 const columns = [
   {
     header: () => 'Rank',
     accessorKey: 'rank',
-    sortUndefined: -1, // 1 | -1 | false
+    sortUndefined: -1, // 'first' | 'last' | 1 | -1 | false
   },
 ]
 ```

examples/react/pagination/src/main.tsx

@@ -251,7 +251,7 @@ function Filter({
   const columnFilterValue = column.getFilterValue()
 
   return typeof firstValue === 'number' ? (
-    <div className="flex space-x-2">
+    <div className="flex space-x-2" onClick={e => e.stopPropagation()}>
       <input
         type="number"
         value={(columnFilterValue as [number, number])?.[0] ?? ''}
@@ -279,11 +279,12 @@ function Filter({
     </div>
   ) : (
     <input
-      type="text"
-      value={(columnFilterValue ?? '') as string}
+      className="w-36 border shadow rounded"
       onChange={e => column.setFilterValue(e.target.value)}
+      onClick={e => e.stopPropagation()}
       placeholder={`Search...`}
-      className="w-36 border shadow rounded"
+      type="text"
+      value={(columnFilterValue ?? '') as string}
     />
   )
 }

examples/react/sorting/src/main.tsx

@@ -8,11 +8,20 @@ import {
   flexRender,
   getCoreRowModel,
   getSortedRowModel,
+  SortingFn,
   SortingState,
   useReactTable,
 } from '@tanstack/react-table'
 import { makeData, Person } from './makeData'
 
+//custom sorting logic for one of our enum columns
+const sortStatusFn: SortingFn<Person> = (rowA, rowB, _columnId) => {
+  const statusA = rowA.original.status
+  const statusB = rowB.original.status
+  const statusOrder = ['single', 'complicated', 'relationship']
+  return statusOrder.indexOf(statusA) - statusOrder.indexOf(statusB)
+}
+
 function App() {
   const rerender = React.useReducer(() => ({}), {})[1]
 
@@ -23,60 +32,78 @@ function App() {
       {
         accessorKey: 'firstName',
         cell: info => info.getValue(),
-        footer: props => props.column.id,
+        //this column will sort in ascending order by default since it is a string column
       },
       {
         accessorFn: row => row.lastName,
         id: 'lastName',
         cell: info => info.getValue(),
         header: () => <span>Last Name</span>,
-        footer: props => props.column.id,
+        sortUndefined: 'last', //force undefined values to the end
+        sortDescFirst: false, //first sort order will be ascending (nullable values can mess up auto detection of sort order)
       },
       {
         accessorKey: 'age',
         header: () => 'Age',
-        footer: props => props.column.id,
+        //this column will sort in descending order by default since it is a number column
       },
       {
         accessorKey: 'visits',
         header: () => <span>Visits</span>,
-        footer: props => props.column.id,
+        sortUndefined: 'last', //force undefined values to the end
       },
       {
         accessorKey: 'status',
         header: 'Status',
-        footer: props => props.column.id,
+        sortingFn: sortStatusFn, //use our custom sorting function for this enum column
       },
       {
         accessorKey: 'progress',
         header: 'Profile Progress',
-        footer: props => props.column.id,
-        sortDescFirst: true, // This column will sort in descending order first (default for number columns anyway)
+        // enableSorting: false, //disable sorting for this column
+      },
+      {
+        accessorKey: 'rank',
+        header: 'Rank',
+        invertSorting: true, //invert the sorting order (golf score-like where smaller is better)
       },
       {
         accessorKey: 'createdAt',
         header: 'Created At',
-        // sortingFn: 'datetime' (inferred from the data)
+        // sortingFn: 'datetime' //make sure table knows this is a datetime column (usually can detect if no null values)
       },
     ],
     []
   )
 
-  const [data, setData] = React.useState(() => makeData(10_000))
-  const refreshData = () => setData(() => makeData(10_000))
+  const [data, setData] = React.useState(() => makeData(1_000))
+  const refreshData = () => setData(() => makeData(100_000)) //stress test with 100k rows
 
   const table = useReactTable({
-    data,
     columns,
+    data,
+    debugTable: true,
+    getCoreRowModel: getCoreRowModel(),
+    getSortedRowModel: getSortedRowModel(), //client-side sorting
+    onSortingChange: setSorting, //optionally control sorting state in your own scope for easy access
+    // sortingFns: {
+    //   sortStatusFn, //or provide our custom sorting function globally for all columns to be able to use
+    // },
+    //no need to pass pageCount or rowCount with client-side pagination as it is calculated automatically
     state: {
       sorting,
     },
-    onSortingChange: setSorting,
-    getCoreRowModel: getCoreRowModel(),
-    getSortedRowModel: getSortedRowModel(),
-    debugTable: true,
+    // autoResetPageIndex: false, // turn off page index reset when sorting or filtering - default on/true
+    // enableMultiSort: false, //Don't allow shift key to sort multiple columns - default on/true
+    // enableSorting: false, // - default on/true
+    // enableSortingRemoval: false, //Don't allow - default on/true
+    // isMultiSortEvent: (e) => true, //Make all clicks multi-sort - default requires `shift` key
+    // maxMultiSortColCount: 3, // only allow 3 columns to be sorted at once - default is Infinity
   })
 
+  //access sorting state from the table instance
+  console.log(table.getState().sorting)
+
   return (
     <div className="p-2">
       <div className="h-2" />

examples/react/sorting/src/makeData.ts

@@ -2,11 +2,12 @@ import { faker } from '@faker-js/faker'
 
 export type Person = {
   firstName: string
-  lastName: string
+  lastName: string | undefined
   age: number
-  visits: number
+  visits: number | undefined
   progress: number
   status: 'relationship' | 'complicated' | 'single'
+  rank: number
   createdAt: Date
   subRows?: Person[]
 }
@@ -22,23 +23,24 @@ const range = (len: number) => {
 const newPerson = (): Person => {
   return {
     firstName: faker.person.firstName(),
-    lastName: faker.person.lastName(),
+    lastName: Math.random() < 0.1 ? undefined : faker.person.lastName(),
     age: faker.number.int(40),
-    visits: faker.number.int(1000),
+    visits: Math.random() < 0.1 ? undefined : faker.number.int(1000),
     progress: faker.number.int(100),
     createdAt: faker.date.anytime(),
     status: faker.helpers.shuffle<Person['status']>([
       'relationship',
       'complicated',
       'single',
     ])[0]!,
+    rank: faker.number.int(100),
   }
 }
 
 export function makeData(...lens: number[]) {
   const makeDataLevel = (depth = 0): Person[] => {
     const len = lens[depth]!
-    return range(len).map((d): Person => {
+    return range(len).map((_d): Person => {
       return {
         ...newPerson(),
         subRows: lens[depth + 1] ? makeDataLevel(depth + 1) : undefined,

packages/table-core/src/features/RowSorting.ts

@@ -90,7 +90,7 @@ export interface SortingColumnDef<TData extends RowData> {
    * @link [API Docs](https://tanstack.com/table/v8/docs/api/features/sorting#sortundefined)
    * @link [Guide](https://tanstack.com/table/v8/docs/guide/sorting)
    */
-  sortUndefined?: false | -1 | 1
+  sortUndefined?: false | -1 | 1 | 'first' | 'last'
 }
 
 export interface SortingColumn<TData extends RowData> {

packages/table-core/src/utils/getSortedRowModel.ts

@@ -25,7 +25,7 @@ export function getSortedRowModel<TData extends RowData>(): (
         const columnInfoById: Record<
           string,
           {
-            sortUndefined?: false | -1 | 1
+            sortUndefined?: false | -1 | 1 | 'first' | 'last'
             invertSorting?: boolean
             sortingFn: SortingFn<TData>
           }
@@ -51,25 +51,28 @@ export function getSortedRowModel<TData extends RowData>(): (
             for (let i = 0; i < availableSorting.length; i += 1) {
               const sortEntry = availableSorting[i]!
               const columnInfo = columnInfoById[sortEntry.id]!
+              const sortUndefined = columnInfo.sortUndefined
               const isDesc = sortEntry?.desc ?? false
 
               let sortInt = 0
 
               // All sorting ints should always return in ascending order
-              if (columnInfo.sortUndefined) {
+              if (sortUndefined) {
                 const aValue = rowA.getValue(sortEntry.id)
                 const bValue = rowB.getValue(sortEntry.id)
 
                 const aUndefined = aValue === undefined
                 const bUndefined = bValue === undefined
 
                 if (aUndefined || bUndefined) {
+                  if (sortUndefined === 'first') return aUndefined ? -1 : 1
+                  if (sortUndefined === 'last') return aUndefined ? 1 : -1
                   sortInt =
                     aUndefined && bUndefined
                       ? 0
                       : aUndefined
-                        ? columnInfo.sortUndefined
-                        : -columnInfo.sortUndefined
+                        ? sortUndefined
+                        : -sortUndefined
                 }
               }