feat(Tabs): support showSearch in more dropdown

README.md

@@ -75,7 +75,7 @@ Then open `http://localhost:8000`.
 | `indicator` | `{ size?: GetIndicatorSize; align?: 'start' \| 'center' \| 'end' }` | - | Indicator size and alignment. |
 | `items` | Tab[] | [] | Tab items. |
 | `locale` | TabsLocale | - | Accessibility locale text. |
-| `more` | MoreProps | - | Overflow dropdown config. |
+| `more` | MoreProps | - | dropdown config, pass through `@rc-component/dropdown` props |
 | `onChange` | `(activeKey: string) => void` | - | Triggered when active tab changes. |
 | `onTabClick` | `(activeKey, event) => void` | - | Triggered when a tab is clicked. |
 | `onTabScroll` | `({ direction }) => void` | - | Triggered when tab navigation scrolls. |
@@ -88,6 +88,17 @@ Then open `http://localhost:8000`.
 | `tabBarStyle` | React.CSSProperties | - | Tab bar style. |
 | `tabPosition` | `'left' \| 'right' \| 'top' \| 'bottom'` | `'top'` | Tab position. |
 
+### MoreProps
+
+| name | type | default | description |
+| --- | --- | --- | --- |
+| icon | ReactNode | - | custom more button icon |
+| showSearch | boolean \| ShowSearchConfig | - | whether to show search input |
+| - placeholder | string | `'Search'` | search input placeholder |
+| - searchValue | string | - | search input value (controlled) |
+| - onSearch | (value: string) => void | - | search value change callback |
+| - autoClearSearchValue | boolean | `true` | whether to clear search on close |
+
 ### Tab
 
 | Name | Type | Default | Description |

assets/dropdown.less

@@ -5,16 +5,58 @@
   background: #fefefe;
   border: 1px solid black;
   max-height: 200px;
-  overflow: auto;
 
   &-hidden {
     display: none;
   }
 
+  // 搜索框容器样式（有 search 时使用）
+  &-container {
+    display: flex;
+    flex-direction: column;
+    max-height: 200px;
+    overflow: hidden;
+
+    // 搜索框固定在顶部
+    .@{tabs-prefix-cls}-dropdown-search {
+      padding: 8px;
+      flex-shrink: 0;
+      border-bottom: 1px solid #f0f0f0;
+      box-sizing: border-box;
+
+      input {
+        width: 100%;
+        max-width: 100%;
+        padding: 4px 8px;
+        border: 1px solid #d9d9d9;
+        border-radius: 4px;
+        outline: none;
+        box-sizing: border-box;
+
+        &:focus {
+          border-color: #1677ff;
+          box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.1);
+        }
+      }
+    }
+
+    // menu 区域可滚动
+    .@{tabs-prefix-cls}-dropdown-menu {
+      margin: 0;
+      padding: 0;
+      list-style: none;
+      overflow: auto;
+      flex: 1;
+    }
+  }
+
+  // 非 search 模式的 menu 样式
   &-menu {
     margin: 0;
     padding: 0;
     list-style: none;
+    overflow: auto;
+    max-height: 200px;
 
     &-item {
       padding: 4px 8px;

docs/demo/search-dropdown.md

@@ -0,0 +1,8 @@
+---
+title: Search Dropdown
+nav:
+  title: Demo
+  path: /demo
+---
+
+<code src="../examples/search-dropdown.tsx"></code>

docs/examples/search-dropdown.tsx

@@ -0,0 +1,84 @@
+import React, { useState } from 'react';
+import '../../assets/index.less';
+import Tabs from '../../src';
+
+// Controlled mode example
+const ControlledDemo = ({ items }: { items: any[] }) => {
+  const [searchValue, setSearchValue] = useState('');
+
+  return (
+    <Tabs
+      activeKey="1"
+      onChange={() => {}}
+      items={items}
+      more={{
+        showSearch: {
+          placeholder: 'Controlled search...',
+          searchValue,
+          onSearch: setSearchValue,
+        },
+      }}
+    />
+  );
+};
+
+export default () => {
+  const [activeKey, setActiveKey] = useState('1');
+
+  // Generate many tabs to trigger the "more" button
+  const items = Array.from({ length: 30 }, (_, i) => ({
+    key: String(i + 1),
+    label: `Tab ${i + 1}`,
+    children: `Content of Tab ${i + 1}`,
+  }));
+
+  return (
+    <div>
+      <h3>Basic Usage</h3>
+      <Tabs
+        activeKey={activeKey}
+        onChange={setActiveKey}
+        items={items}
+        more={{
+          showSearch: {
+            placeholder: 'Search...',
+          },
+        }}
+      />
+
+      <h3>Controlled Mode</h3>
+      <ControlledDemo items={items} />
+
+      <h3>Keep Search Value on Close</h3>
+      <Tabs
+        activeKey={activeKey}
+        onChange={setActiveKey}
+        items={items}
+        more={{
+          showSearch: {
+            placeholder: 'Keep search value',
+            autoClearSearchValue: false,
+          },
+        }}
+      />
+
+      <h3>filter</h3>
+      <Tabs
+        activeKey={activeKey}
+        onChange={setActiveKey}
+        items={Array.from({ length: 30 }, (_, i) => ({
+          key: String(i + 1),
+          label: <span>Tab {i + 1}</span>,
+          children: `Content of Tab ${i + 1}`,
+        }))}
+        more={{
+          trigger: 'click',
+          showSearch: {
+            placeholder: 'Keep search value',
+            filter: (tab, value) => tab.key.includes(value),
+          },
+        }}
+      />
+    </div>
+  );
+};

src/TabNavList/OperationNode.tsx

@@ -3,7 +3,7 @@ import Dropdown from '@rc-component/dropdown';
 import Menu, { MenuItem } from '@rc-component/menu';
 import { KeyCode } from '@rc-component/util';
 import * as React from 'react';
-import { useEffect, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import type { EditableConfig, Tab, TabsLocale, MoreProps } from '../interface';
 import { getRemovable } from '../util';
 import AddButton from './AddButton';
@@ -39,6 +39,7 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
     tabs,
     locale,
     mobile,
+    activeKey,
     more: moreProps = {},
     style,
     className,
@@ -56,8 +57,36 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
   // ======================== Dropdown ========================
   const [open, setOpen] = useState(false);
   const [selectedKey, setSelectedKey] = useState<string>(null);
+  const [searchValue, setSearchValue] = useState('');
+  const searchInputRef = useRef<HTMLInputElement>(null);
 
-  const { icon: moreIcon = 'More' } = moreProps;
+  const { icon: moreIcon = 'More', showSearch } = moreProps;
+
+  const isSearchable = !!showSearch;
+  const showSearchConfig = typeof showSearch === 'object' ? showSearch : {};
+  const {
+    placeholder = 'Search',
+    onSearch,
+    searchValue: controlledSearchValue,
+    autoClearSearchValue = true,
+    filter: filterOption,
+  } = showSearchConfig;
+
+  const mergedSearchValue =
+    controlledSearchValue !== undefined ? controlledSearchValue : searchValue;
+  const setSearchValueFn = controlledSearchValue !== undefined ? () => {} : setSearchValue;
+
+  const filteredTabs = mergedSearchValue
+    ? tabs.filter(tab => {
+        if (filterOption) {
+          return filterOption(tab, mergedSearchValue);
+        }
+        if (typeof tab.label === 'string') {
+          return tab.label.toLowerCase().includes(mergedSearchValue.toLowerCase());
+        }
+        return false;
+      })
+    : tabs;
 
   const popupId = `${id}-more-popup`;
   const dropdownPrefix = `${prefixCls}-dropdown`;
@@ -85,7 +114,7 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
       selectedKeys={[selectedKey]}
       aria-label={dropdownAriaLabel !== undefined ? dropdownAriaLabel : 'expanded dropdown'}
     >
-      {tabs.map<React.ReactNode>(tab => {
+      {filteredTabs.map<React.ReactNode>(tab => {
         const { closable, disabled, closeIcon, key, label } = tab;
         const removable = getRemovable(closable, closeIcon, editable, disabled);
         return (
@@ -120,10 +149,12 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
   );
 
   function selectOffset(offset: -1 | 1) {
-    const enabledTabs = tabs.filter(tab => !tab.disabled);
+    const enabledTabs = filteredTabs.filter(tab => !tab.disabled);
     let selectedIndex = enabledTabs.findIndex(tab => tab.key === selectedKey) || 0;
     const len = enabledTabs.length;
 
+    if (len === 0) return;
+
     for (let i = 0; i < len; i += 1) {
       selectedIndex = (selectedIndex + offset + len) % len;
       const tab = enabledTabs[selectedIndex];
@@ -134,17 +165,9 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
     }
   }
 
-  function onKeyDown(e: React.KeyboardEvent) {
+  function onKeyboardNavigation(e: React.KeyboardEvent) {
     const { which } = e;
 
-    if (!open) {
-      if ([KeyCode.DOWN, KeyCode.SPACE, KeyCode.ENTER].includes(which)) {
-        setOpen(true);
-        e.preventDefault();
-      }
-      return;
-    }
-
     switch (which) {
       case KeyCode.UP:
         selectOffset(-1);
@@ -159,27 +182,72 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
         break;
       case KeyCode.SPACE:
       case KeyCode.ENTER:
-        if (selectedKey !== null) {
+        if (selectedKey && filteredTabs.some(t => t.key === selectedKey)) {
           onTabClick(selectedKey, e);
         }
         break;
     }
   }
 
+  function onKeyDown(e: React.KeyboardEvent) {
+    const { which } = e;
+
+    if (!open) {
+      if ([KeyCode.DOWN, KeyCode.SPACE, KeyCode.ENTER].includes(which)) {
+        setOpen(true);
+        e.preventDefault();
+      }
+      return;
+    }
+
+    onKeyboardNavigation(e);
+  }
+
+  // 搜索框
+  const searchInput = isSearchable ? (
+    <div className={`${dropdownPrefix}-search`}>
+      <input
+        ref={searchInputRef}
+        type="text"
+        placeholder={placeholder}
+        value={mergedSearchValue}
+        onChange={e => {
+          const value = e.target.value;
+          setSearchValueFn(value);
+          onSearch?.(value);
+        }}
+        onKeyDown={onKeyboardNavigation}
+      />
+    </div>
+  ) : null;
+
   // ========================= Effect =========================
   useEffect(() => {
     // We use query element here to avoid React strict warning
     const ele = document.getElementById(selectedItemId);
     if (ele?.scrollIntoView) {
-      ele.scrollIntoView(false);
+      ele.scrollIntoView({ block: 'center', behavior: 'smooth' });
     }
   }, [selectedItemId, selectedKey]);
 
   useEffect(() => {
-    if (!open) {
+    if (open) {
+      if (!selectedKey && activeKey) {
+        setSelectedKey(activeKey);
+      }
+
+      if (isSearchable) {
+        requestAnimationFrame(() => {
+          searchInputRef.current?.focus();
+        });
+      }
+    } else {
       setSelectedKey(null);
+      if (autoClearSearchValue && controlledSearchValue === undefined) {
+        setSearchValue('');
+      }
     }
-  }, [open]);
+  }, [open, activeKey, isSearchable, autoClearSearchValue, controlledSearchValue]);
 
   // ========================= Render =========================
   const moreStyle: React.CSSProperties = {
@@ -193,18 +261,29 @@ const OperationNode = React.forwardRef<HTMLDivElement, OperationNodeProps>((prop
 
   const overlayClassName = clsx(popupClassName, { [`${dropdownPrefix}-rtl`]: rtl });
 
+  const dropdownContent = isSearchable ? (
+    <div className={`${dropdownPrefix}-container`}>
+      {searchInput}
+      {menu}
+    </div>
+  ) : (
+    menu
+  );
+
+  const { showSearch: _s, ...dropdownProps } = moreProps;
+
   const moreNode: React.ReactNode = mobile ? null : (
     <Dropdown
       prefixCls={dropdownPrefix}
-      overlay={menu}
+      overlay={dropdownContent}
       visible={tabs.length ? open : false}
       onVisibleChange={setOpen}
       overlayClassName={overlayClassName}
       overlayStyle={popupStyle}
       mouseEnterDelay={0.1}
       mouseLeaveDelay={0.1}
       getPopupContainer={getPopupContainer}
-      {...moreProps}
+      {...dropdownProps}
     >
       <button
         type="button"