fix: Use flex gap of space (#30023)

* fix: use flex gap when supported

* test: update snapshot

* refactor: Use single hooks

components/_util/hooks/useFlexGapSupport.ts

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { detectFlexGapSupported } from '../../_util/styleChecker';
+import { detectFlexGapSupported } from '../styleChecker';
 
 export default () => {
   const [flexible, setFlexible] = React.useState(false);

components/grid/row.tsx

@@ -8,7 +8,7 @@ import ResponsiveObserve, {
   ScreenMap,
   responsiveArray,
 } from '../_util/responsiveObserve';
-import useFlexGapSupport from './hooks/useFlexGapSupport';
+import useFlexGapSupport from '../_util/hooks/useFlexGapSupport';
 
 const RowAligns = tuple('top', 'middle', 'bottom', 'stretch');
 const RowJustify = tuple('start', 'end', 'center', 'space-around', 'space-between');

components/space/Item.tsx

@@ -20,19 +20,23 @@ export default function Item({
   split,
   wrap,
 }: ItemProps) {
-  const { horizontalSize, verticalSize, latestIndex } = React.useContext(SpaceContext);
+  const { horizontalSize, verticalSize, latestIndex, supportFlexGap } = React.useContext(
+    SpaceContext,
+  );
 
   let style: React.CSSProperties = {};
 
-  if (direction === 'vertical') {
-    if (index < latestIndex) {
-      style = { marginBottom: horizontalSize / (split ? 2 : 1) };
+  if (!supportFlexGap) {
+    if (direction === 'vertical') {
+      if (index < latestIndex) {
+        style = { marginBottom: horizontalSize / (split ? 2 : 1) };
+      }
+    } else {
+      style = {
+        ...(index < latestIndex && { [marginDirection]: horizontalSize / (split ? 2 : 1) }),
+        ...(wrap && { paddingBottom: verticalSize }),
+      };
     }
-  } else {
-    style = {
-      ...(index < latestIndex && { [marginDirection]: horizontalSize / (split ? 2 : 1) }),
-      ...(wrap && { paddingBottom: verticalSize }),
-    };
   }
 
   if (children === null || children === undefined) {

components/space/__tests__/__snapshots__/demo.test.js.snap

@@ -408,6 +408,61 @@ exports[`renders ./components/space/demo/debug.md correctly 1`] = `
 </div>
 `;
 
+exports[`renders ./components/space/demo/gap-in-line.md correctly 1`] = `
+Array [
+  <button
+    aria-checked="false"
+    class="ant-switch"
+    role="switch"
+    type="button"
+  >
+    <div
+      class="ant-switch-handle"
+    />
+    <span
+      class="ant-switch-inner"
+    />
+  </button>,
+  <div
+    class="ant-space ant-space-horizontal ant-space-align-center"
+    style="flex-wrap:wrap;margin-bottom:-8px;width:310px;background:blue"
+  >
+    <div
+      class="ant-space-item"
+      style="margin-right:8px;padding-bottom:8px"
+    >
+      <div
+        style="width:150px;height:100px;background:red"
+      />
+    </div>
+    <div
+      class="ant-space-item"
+      style="margin-right:8px;padding-bottom:8px"
+    >
+      <div
+        style="width:150px;height:100px;background:red"
+      />
+    </div>
+    <div
+      class="ant-space-item"
+      style="margin-right:8px;padding-bottom:8px"
+    >
+      <div
+        style="width:150px;height:100px;background:red"
+      />
+    </div>
+    <div
+      class="ant-space-item"
+      style="padding-bottom:8px"
+    >
+      <div
+        style="width:150px;height:100px;background:red"
+      />
+    </div>
+  </div>,
+]
+`;
+
 exports[`renders ./components/space/demo/size.md correctly 1`] = `
 Array [
   <div

components/space/demo/gap-in-line.md

@@ -0,0 +1,48 @@
+---
+order: 99
+title:
+  zh-CN: Flex gap 样式
+  en-US: Flex gap style
+debug: true
+---
+
+## zh-CN
+
+Debug usage
+
+## en-US
+
+Debug usage
+
+```tsx
+import { Space, Switch } from 'antd';
+
+const style: React.CSSProperties = {
+  width: 150,
+  height: 100,
+  background: 'red',
+};
+
+const Demo = () => {
+  const [singleCol, setSingleCol] = React.useState(false);
+
+  return (
+    <>
+      <Switch
+        checked={singleCol}
+        onChange={() => {
+          setSingleCol(!singleCol);
+        }}
+      />
+      <Space style={{ width: singleCol ? 307 : 310, background: 'blue' }} size={[8, 8]} wrap>
+        <div style={style} />
+        <div style={style} />
+        <div style={style} />
+        <div style={style} />
+      </Space>
+    </>
+  );
+};
+
+ReactDOM.render(<Demo />, mountNode);
+```

components/space/index.tsx

@@ -4,11 +4,13 @@ import toArray from 'rc-util/lib/Children/toArray';
 import { ConfigContext } from '../config-provider';
 import { SizeType } from '../config-provider/SizeContext';
 import Item from './Item';
+import useFlexGapSupport from '../_util/hooks/useFlexGapSupport';
 
 export const SpaceContext = React.createContext({
   latestIndex: 0,
   horizontalSize: 0,
   verticalSize: 0,
+  supportFlexGap: false,
 });
 
 export type SpaceSize = SizeType | number;
@@ -51,6 +53,8 @@ const Space: React.FC<SpaceProps> = props => {
     ...otherProps
   } = props;
 
+  const supportFlexGap = useFlexGapSupport();
+
   const [horizontalSize, verticalSize] = React.useMemo(
     () =>
       ((Array.isArray(size) ? size : [size, size]) as [SpaceSize, SpaceSize]).map(item =>
@@ -61,10 +65,6 @@ const Space: React.FC<SpaceProps> = props => {
 
   const childNodes = toArray(children, { keepEmpty: true });
 
-  if (childNodes.length === 0) {
-    return null;
-  }
-
   const mergedAlign = align === undefined && direction === 'horizontal' ? 'center' : align;
   const prefixCls = getPrefixCls('space', customizePrefixCls);
   const cn = classNames(
@@ -105,18 +105,33 @@ const Space: React.FC<SpaceProps> = props => {
     /* eslint-enable */
   });
 
+  const spaceContext = React.useMemo(
+    () => ({ horizontalSize, verticalSize, latestIndex, supportFlexGap }),
+    [horizontalSize, verticalSize, latestIndex, supportFlexGap],
+  );
+
+  // =========================== Render ===========================
+  if (childNodes.length === 0) {
+    return null;
+  }
+
+  const gapStyle: React.CSSProperties = {};
+  if (supportFlexGap) {
+    gapStyle.columnGap = horizontalSize;
+    gapStyle.rowGap = verticalSize;
+  }
+
   return (
     <div
       className={cn}
       style={{
+        ...gapStyle,
         ...(wrap && { flexWrap: 'wrap', marginBottom: -verticalSize }),
         ...style,
       }}
       {...otherProps}
     >
-      <SpaceContext.Provider value={{ horizontalSize, verticalSize, latestIndex }}>
-        {nodes}
-      </SpaceContext.Provider>
+      <SpaceContext.Provider value={spaceContext}>{nodes}</SpaceContext.Provider>
     </div>
   );
 };