refactor(theme-classic): DocPage theme refactors polish (#7268)

packages/docusaurus-theme-classic/src/theme-classic.d.ts

@@ -268,7 +268,7 @@ declare module '@theme/DocPage/Layout' {
   export default function DocPageLayout(props: Props): JSX.Element;
 }
 
-declare module '@theme/DocPage/Layout/Aside' {
+declare module '@theme/DocPage/Layout/Sidebar' {
   import type {Dispatch, SetStateAction} from 'react';
   import type {PropSidebar} from '@docusaurus/plugin-content-docs';
 
@@ -278,7 +278,17 @@ declare module '@theme/DocPage/Layout/Aside' {
     readonly setHiddenSidebarContainer: Dispatch<SetStateAction<boolean>>;
   }
 
-  export default function DocPageLayoutAside(props: Props): JSX.Element;
+  export default function DocPageLayoutSidebar(props: Props): JSX.Element;
+}
+
+declare module '@theme/DocPage/Layout/Sidebar/ExpandButton' {
+  export interface Props {
+    toggleSidebar: () => void;
+  }
+
+  export default function DocPageLayoutSidebarExpandButton(
+    props: Props,
+  ): JSX.Element;
 }
 
 declare module '@theme/DocPage/Layout/Main' {

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Main.module.css

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+.docMainContainer {
+  display: flex;
+  width: 100%;
+}
+
+@media (min-width: 997px) {
+  .docMainContainer {
+    flex-grow: 1;
+    max-width: calc(100% - var(--doc-sidebar-width));
+  }
+
+  .docMainContainerEnhanced {
+    max-width: calc(100% - var(--doc-sidebar-hidden-width));
+  }
+
+  .docItemWrapperEnhanced {
+    max-width: calc(
+      var(--ifm-container-width) + var(--doc-sidebar-width)
+    ) !important;
+  }
+}

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Main.tsx

@@ -10,7 +10,7 @@ import React from 'react';
 import {useDocsSidebar} from '@docusaurus/theme-common';
 
 import clsx from 'clsx';
-import styles from './styles.module.css';
+import styles from './Main.module.css';
 import type {Props} from '@theme/DocPage/Layout/Main';
 
 export default function DocPageLayoutMain({

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Sidebar/ExpandButton.module.css

@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+@media (min-width: 997px) {
+  .expandButton {
+    position: sticky;
+    top: 0;
+    height: 100%;
+    max-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: background-color var(--ifm-transition-fast) ease;
+  }
+
+  .expandButton:hover,
+  .expandButton:focus {
+    background-color: var(--ifm-color-emphasis-200);
+  }
+
+  .expandButtonIcon {
+    transform: rotate(0);
+  }
+
+  [dir='rtl'] .expandButtonIcon {
+    transform: rotate(180deg);
+  }
+
+  [data-theme='dark'] .expandButton:hover,
+  [data-theme='dark'] .expandButton:focus {
+    background-color: var(--collapse-button-bg-color-dark);
+  }
+}

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Sidebar/ExpandButton.tsx

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import React from 'react';
+import IconArrow from '@theme/IconArrow';
+import {translate} from '@docusaurus/Translate';
+import type {Props} from '@theme/DocPage/Layout/Sidebar/ExpandButton';
+
+import styles from './ExpandButton.module.css';
+
+export default function DocPageLayoutSidebarExpandButton({
+  toggleSidebar,
+}: Props): JSX.Element {
+  return (
+    <div
+      className={styles.expandButton}
+      title={translate({
+        id: 'theme.docs.sidebar.expandButtonTitle',
+        message: 'Expand sidebar',
+        description:
+          'The ARIA label and title attribute for expand button of doc sidebar',
+      })}
+      aria-label={translate({
+        id: 'theme.docs.sidebar.expandButtonAriaLabel',
+        message: 'Expand sidebar',
+        description:
+          'The ARIA label and title attribute for expand button of doc sidebar',
+      })}
+      tabIndex={0}
+      role="button"
+      onKeyDown={toggleSidebar}
+      onClick={toggleSidebar}>
+      <IconArrow className={styles.expandButtonIcon} />
+    </div>
+  );
+}

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Sidebar/index.module.css

@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+:root {
+  --doc-sidebar-width: 300px;
+  --doc-sidebar-hidden-width: 30px;
+}
+
+.docSidebarContainer {
+  display: none;
+}
+
+@media (min-width: 997px) {
+  .docSidebarContainer {
+    display: block;
+    width: var(--doc-sidebar-width);
+    margin-top: calc(-1 * var(--ifm-navbar-height));
+    border-right: 1px solid var(--ifm-toc-border-color);
+    will-change: width;
+    transition: width var(--ifm-transition-fast) ease;
+    clip-path: inset(0);
+  }
+
+  .docSidebarContainerHidden {
+    width: var(--doc-sidebar-hidden-width);
+    cursor: pointer;
+  }
+}

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Aside.tsx → packages/docusaurus-theme-classic/src/theme/DocPage/Layout/Sidebar/index.tsx

@@ -7,41 +7,15 @@
 
 import React, {type ReactNode, useState, useCallback} from 'react';
 import DocSidebar from '@theme/DocSidebar';
-import IconArrow from '@theme/IconArrow';
-import {translate} from '@docusaurus/Translate';
 import {useLocation} from '@docusaurus/router';
-import type {Props} from '@theme/DocPage/Layout/Aside';
+import type {Props} from '@theme/DocPage/Layout/Sidebar';
+import ExpandButton from '@theme/DocPage/Layout/Sidebar/ExpandButton';
 
 import clsx from 'clsx';
-import styles from './styles.module.css';
+import styles from './index.module.css';
 
 import {ThemeClassNames, useDocsSidebar} from '@docusaurus/theme-common';
 
-function SidebarExpandButton({toggleSidebar}: {toggleSidebar: () => void}) {
-  return (
-    <div
-      className={styles.collapsedDocSidebar}
-      title={translate({
-        id: 'theme.docs.sidebar.expandButtonTitle',
-        message: 'Expand sidebar',
-        description:
-          'The ARIA label and title attribute for expand button of doc sidebar',
-      })}
-      aria-label={translate({
-        id: 'theme.docs.sidebar.expandButtonAriaLabel',
-        message: 'Expand sidebar',
-        description:
-          'The ARIA label and title attribute for expand button of doc sidebar',
-      })}
-      tabIndex={0}
-      role="button"
-      onKeyDown={toggleSidebar}
-      onClick={toggleSidebar}>
-      <IconArrow className={styles.expandSidebarButtonIcon} />
-    </div>
-  );
-}
-
 // Reset sidebar state when sidebar changes
 // Use React key to unmount/remount the children
 // See https://github.com/facebook/docusaurus/issues/3414
@@ -54,7 +28,7 @@ function ResetOnSidebarChange({children}: {children: ReactNode}) {
   );
 }
 
-export default function DocPageLayoutAside({
+export default function DocPageLayoutSidebar({
   sidebar,
   hiddenSidebarContainer,
   setHiddenSidebarContainer,
@@ -94,7 +68,7 @@ export default function DocPageLayoutAside({
         />
       </ResetOnSidebarChange>
 
-      {hiddenSidebar && <SidebarExpandButton toggleSidebar={toggleSidebar} />}
+      {hiddenSidebar && <ExpandButton toggleSidebar={toggleSidebar} />}
     </aside>
   );
 }

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/index.module.css

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+.docPage {
+  display: flex;
+  width: 100%;
+}
+
+.docsWrapper {
+  display: flex;
+}

packages/docusaurus-theme-classic/src/theme/DocPage/Layout/index.tsx

@@ -9,10 +9,10 @@ import React, {useState} from 'react';
 import Layout from '@theme/Layout';
 import BackToTopButton from '@theme/BackToTopButton';
 import type {Props} from '@theme/DocPage/Layout';
-import DocPageLayoutAside from '@theme/DocPage/Layout/Aside';
+import DocPageLayoutSidebar from '@theme/DocPage/Layout/Sidebar';
 import DocPageLayoutMain from '@theme/DocPage/Layout/Main';
 
-import styles from './styles.module.css';
+import styles from './index.module.css';
 
 import {useDocsSidebar} from '@docusaurus/theme-common';
 
@@ -24,7 +24,7 @@ export default function DocPageLayout({children}: Props): JSX.Element {
       <BackToTopButton />
       <div className={styles.docPage}>
         {sidebar && (
-          <DocPageLayoutAside
+          <DocPageLayoutSidebar
             sidebar={sidebar.items}
             hiddenSidebarContainer={hiddenSidebarContainer}
             setHiddenSidebarContainer={setHiddenSidebarContainer}