fix(antd@4.x): prevent scroll when modal container and sentinel get focused

package.json

@@ -33,7 +33,7 @@
     "docs:deploy": "gh-pages -d .doc",
     "compile": "father build && lessc assets/index.less assets/index.css && lessc assets/bootstrap.less assets/bootstrap.css",
     "deploy": "npm run docs:build && npm run docs:deploy",
-    "prepublishOnly": "npm run compile && np --yolo --no-publish",
+    "prepublishOnly": "npm run compile && np --yolo --no-publish --branch=9.0.x",
     "lint": "eslint src/ --ext .ts,.tsx,.jsx,.js,.md",
     "lint:tsc": "tsc -p tsconfig.json --noEmit",
     "prettier": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",

src/Dialog/Content/Panel.tsx

@@ -48,14 +48,14 @@ const Panel = React.forwardRef<ContentRef, PanelProps>((props, ref) => {
 
   React.useImperativeHandle(ref, () => ({
     focus: () => {
-      sentinelStartRef.current?.focus();
+      sentinelStartRef.current?.focus({ preventScroll: true });
     },
     changeActive: (next) => {
       const { activeElement } = document;
       if (next && activeElement === sentinelEndRef.current) {
-        sentinelStartRef.current.focus();
+        sentinelStartRef.current.focus({ preventScroll: true });
       } else if (!next && activeElement === sentinelStartRef.current) {
-        sentinelEndRef.current.focus();
+        sentinelEndRef.current.focus({ preventScroll: true });
       }
     },
   }));

src/Dialog/index.tsx

@@ -129,10 +129,8 @@ export default function Dialog(props: IDialogPropTypes) {
     }
 
     // keep focus inside dialog
-    if (visible) {
-      if (e.keyCode === KeyCode.TAB) {
-        contentRef.current.changeActive(!e.shiftKey);
-      }
+    if (visible && e.keyCode === KeyCode.TAB) {
+      contentRef.current.changeActive(!e.shiftKey);
     }
   }
 

tests/index.spec.tsx

@@ -1,19 +1,30 @@
 /* eslint-disable react/no-render-return-value, max-classes-per-file, func-names, no-console */
-import React, { cloneElement, useEffect } from 'react';
-import { act } from 'react-dom/test-utils';
-import { render } from '@testing-library/react';
+import { fireEvent, render } from '@testing-library/react';
 import type { ReactWrapper } from 'enzyme';
 import { mount } from 'enzyme';
+import { Provider } from 'rc-motion';
+import React, { cloneElement, useEffect } from 'react';
+import { act } from 'react-dom/test-utils';
 import KeyCode from 'rc-util/lib/KeyCode';
 import type { DialogProps } from '../src';
 import Dialog from '../src';
 
 describe('dialog', () => {
+  async function runFakeTimer() {
+    for (let i = 0; i < 100; i += 1) {
+      await act(async () => {
+        jest.advanceTimersByTime(100);
+        await Promise.resolve();
+      });
+    }
+  }
+
   beforeEach(() => {
     jest.useFakeTimers();
   });
 
   afterEach(() => {
+    jest.clearAllTimers();
     jest.useRealTimers();
   });
 
@@ -252,15 +263,17 @@ describe('dialog', () => {
     });
 
     it('trap focus after shift-tabbing', () => {
-      const wrapper = mount(<Dialog visible />, { attachTo: document.body });
-      wrapper.find('.rc-dialog-wrap').simulate('keyDown', {
+      render(<Dialog visible />);
+
+      document.querySelector<HTMLDivElement>('.rc-dialog > div').focus();
+
+      fireEvent.keyDown(document.querySelector('.rc-dialog-wrap'), {
         keyCode: KeyCode.TAB,
+        key: 'Tab',
         shiftKey: true,
       });
-      const sentinelEnd = document.querySelectorAll('.rc-dialog-content + div')[0];
+      const sentinelEnd = document.querySelector('.rc-dialog-content + div');
       expect(document.activeElement).toBe(sentinelEnd);
-
-      wrapper.unmount();
     });
   });
 

tests/setup.js

@@ -1,13 +1,24 @@
 /* eslint-disable no-console */
-global.requestAnimationFrame = cb => setTimeout(cb, 0);
+global.requestAnimationFrame = (cb) => {
+  return global.setTimeout(cb, 0);
+};
+global.cancelAnimationFrame = (cb) => {
+  return global.clearTimeout(cb, 0);
+};
+window.requestAnimationFrame = (cb) => {
+  return window.setTimeout(cb, 0);
+};
+window.cancelAnimationFrame = (cb) => {
+  return window.clearTimeout(cb, 0);
+};
 
 const originError = console.error;
 const ignoreList = [
   'Rendering components directly into document.body',
   'Warning: unmountComponentAtNode():',
 ];
 console.error = (...args) => {
-  if (ignoreList.some(str => args[0].includes(str))) {
+  if (ignoreList.some((str) => args[0].includes(str))) {
     return;
   }