feat(Tabs): add layoutFillMode prop

packages/vkui/src/components/Tabs/Readme.md

@@ -131,12 +131,18 @@ const DefaultInPanel = ({ menuOpened, onMenuClick, selected, setSelected }) => {
 
 const Scrollable = () => {
   const [mode, setMode] = React.useState('default');
+  const [layoutFillMode, setLayoutFillMode] = React.useState('auto');
   const [selected, setSelected] = React.useState('news');
   const [disabled, setDisabled] = React.useState(false);
 
   return (
     <Group>
-      <Tabs mode={mode} withScrollToSelectedTab scrollBehaviorToSelectedTab="center">
+      <Tabs
+        mode={mode}
+        layoutFillMode={layoutFillMode}
+        withScrollToSelectedTab
+        scrollBehaviorToSelectedTab="center"
+      >
         <HorizontalScroll arrowSize="m">
           <TabsItem
             selected={selected === 'groups'}
@@ -210,6 +216,26 @@ const Scrollable = () => {
           onChange={(event) => setMode(event.target.value)}
         />
       </FormItem>
+      <FormItem top="layoutFillMode">
+        <CustomSelect
+          value={layoutFillMode}
+          options={[
+            {
+              label: 'auto',
+              value: 'auto',
+            },
+            {
+              label: 'stretched',
+              value: 'stretched',
+            },
+            {
+              label: 'shrinked',
+              value: 'shrinked',
+            },
+          ]}
+          onChange={(event) => setLayoutFillMode(event.target.value)}
+        />
+      </FormItem>
       <Checkbox onChange={() => setDisabled((prev) => !prev)}>disabled</Checkbox>
     </Group>
   );

packages/vkui/src/components/Tabs/Tabs.e2e-playground.tsx

@@ -125,3 +125,31 @@ export const TabsPlayground = (props: ComponentPlaygroundProps) => {
     </ComponentPlayground>
   );
 };
+
+export const TabsItemsFlexModePlayground = (props: ComponentPlaygroundProps) => {
+  return (
+    <ComponentPlayground
+      {...props}
+      propSets={[
+        {
+          mode: ['default', 'accent', 'secondary'],
+          children: [
+            <>
+              <TabsItem>Unscrollable</TabsItem>
+              <TabsItem selected>Unscrollable</TabsItem>
+            </>,
+            <HorizontalScroll key="scrolled" arrowSize="m">
+              <TabsItem key="groups">Scrollable</TabsItem>
+              <TabsItem key="news" selected>
+                Scrollable
+              </TabsItem>
+            </HorizontalScroll>,
+          ],
+          layoutFillMode: ['auto', 'shrinked', 'stretched'],
+        },
+      ]}
+    >
+      {(props: TabsProps) => <Tabs {...props} />}
+    </ComponentPlayground>
+  );
+};

packages/vkui/src/components/Tabs/Tabs.e2e.tsx

@@ -1,8 +1,23 @@
 import * as React from 'react';
 import { test } from '@vkui-e2e/test';
-import { TabsPlayground } from './Tabs.e2e-playground';
+import { Appearance } from '../../helpers/appearance';
+import { TabsItemsFlexModePlayground, TabsPlayground } from './Tabs.e2e-playground';
 
 test('Tabs', async ({ mount, expectScreenshotClippedToContent, componentPlaygroundProps }) => {
   await mount(<TabsPlayground {...componentPlaygroundProps} />);
   await expectScreenshotClippedToContent();
 });
+
+test.describe('Tabs', () => {
+  test.use({
+    onlyForAppearances: [Appearance.LIGHT],
+  });
+  test('layout fill mode', async ({
+    mount,
+    expectScreenshotClippedToContent,
+    componentPlaygroundProps,
+  }) => {
+    await mount(<TabsItemsFlexModePlayground {...componentPlaygroundProps} />);
+    await expectScreenshotClippedToContent();
+  });
+});

packages/vkui/src/components/Tabs/Tabs.tsx

@@ -22,18 +22,28 @@ export interface TabsProps extends HTMLAttributesWithRootRef<HTMLDivElement> {
    * @since 5.10.0
    */
   scrollBehaviorToSelectedTab?: ScrollIntoViewOptions['inline'];
+  /**
+   * При `auto` ширина вкладок определяется контекстом:
+   *  - равномерно занимают всю доступную ширину при вложении в `HorizontalScroll`
+   *  - равномерно занимают всю доступную ширину при `mode=default` и platform !== 'VKCOM'
+   * При `stretched` и `shrinked` вкладки либо равномерно занимают всю ширину,
+   * либо выравниваются по контенту соответственно
+   */
+  layoutFillMode?: 'auto' | 'stretched' | 'shrinked';
 }
 
 export interface TabsContextProps {
   mode: TabsProps['mode'];
   withGaps: boolean;
+  layoutFillMode: NonNullable<TabsProps['layoutFillMode']>;
   withScrollToSelectedTab: TabsProps['withScrollToSelectedTab'];
   scrollBehaviorToSelectedTab: Required<TabsProps['scrollBehaviorToSelectedTab']>;
 }
 
 export const TabsModeContext = React.createContext<TabsContextProps>({
   mode: 'default',
   withGaps: false,
+  layoutFillMode: 'auto',
   withScrollToSelectedTab: false,
   scrollBehaviorToSelectedTab: 'nearest',
 });
@@ -47,6 +57,7 @@ export const Tabs = ({
   role = 'tablist',
   withScrollToSelectedTab,
   scrollBehaviorToSelectedTab = 'nearest',
+  layoutFillMode = 'auto',
   ...restProps
 }: TabsProps) => {
   const platform = usePlatform();
@@ -167,6 +178,7 @@ export const Tabs = ({
           value={{
             mode,
             withGaps,
+            layoutFillMode,
             withScrollToSelectedTab,
             scrollBehaviorToSelectedTab,
           }}

packages/vkui/src/components/TabsItem/TabsItem.module.css

@@ -217,3 +217,12 @@
   flex-grow: 1;
   flex-shrink: 0;
 }
+
+.TabsItem.TabsItem--stretched {
+  flex-grow: 1;
+}
+
+.TabsItem.TabsItem--shrinked {
+  flex-grow: 0;
+  min-width: auto;
+}

packages/vkui/src/components/TabsItem/TabsItem.tsx

@@ -25,6 +25,11 @@ const stylesMode = {
   secondary: styles['TabsItem--mode-secondary'],
 };
 
+const fillModeClassNames = {
+  stretched: styles['TabsItem--stretched'],
+  shrinked: styles['TabsItem--shrinked'],
+};
+
 export interface TabsItemProps extends HTMLAttributesWithRootRef<HTMLElement> {
   /**
    * Добавляет иконку слева.
@@ -69,8 +74,13 @@ export const TabsItem = ({
   ...restProps
 }: TabsItemProps) => {
   const { sizeY = 'none' } = useAdaptivity();
-  const { mode, withGaps, scrollBehaviorToSelectedTab, withScrollToSelectedTab }: TabsContextProps =
-    React.useContext(TabsModeContext);
+  const {
+    mode,
+    withGaps,
+    layoutFillMode,
+    scrollBehaviorToSelectedTab,
+    withScrollToSelectedTab,
+  }: TabsContextProps = React.useContext(TabsModeContext);
   let statusComponent = null;
 
   const isTabFlow = role === 'tab';
@@ -160,6 +170,7 @@ export const TabsItem = ({
         selected && styles['TabsItem--selected'],
         sizeY !== SizeType.REGULAR && sizeYClassNames[sizeY],
         withGaps && styles['TabsItem--withGaps'],
+        layoutFillMode !== 'auto' && fillModeClassNames[layoutFillMode],
         className,
       )}
       hoverMode={styles['TabsItem--hover']}