fix(theme-classic) extract HomeBreadcrumbItem + fix swizzle bugs

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

@@ -1510,3 +1510,7 @@ declare module '@theme/prism-include-languages' {
     PrismObject: typeof PrismNamespace,
   ): void;
 }
+
+declare module '@theme/DocBreadcrumbs/Items/Home' {
+  export default function HomeBreadcrumbItem(): JSX.Element;
+}

packages/docusaurus-theme-classic/src/theme/DocBreadcrumbs/Items/Home/index.tsx

@@ -0,0 +1,33 @@
+/**
+ * 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 Link from '@docusaurus/Link';
+import useBaseUrl from '@docusaurus/useBaseUrl';
+import {translate} from '@docusaurus/Translate';
+import IconHome from '@theme/Icon/Home';
+
+import styles from './styles.module.css';
+
+export default function HomeBreadcrumbItem(): JSX.Element {
+  const homeHref = useBaseUrl('/');
+
+  return (
+    <li className="breadcrumbs__item">
+      <Link
+        aria-label={translate({
+          id: 'theme.docs.breadcrumbs.home',
+          message: 'Home page',
+          description: 'The ARIA label for the home page in the breadcrumbs',
+        })}
+        className="breadcrumbs__link"
+        href={homeHref}>
+        <IconHome className={styles.breadcrumbHomeIcon} />
+      </Link>
+    </li>
+  );
+}

packages/docusaurus-theme-classic/src/theme/DocBreadcrumbs/Items/Home/styles.module.css

@@ -0,0 +1,14 @@
+/**
+ * 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.
+ */
+
+.breadcrumbHomeIcon {
+  position: relative;
+  top: 1px;
+  vertical-align: top;
+  height: 1.1rem;
+  width: 1.1rem;
+}

packages/docusaurus-theme-classic/src/theme/DocBreadcrumbs/index.tsx

@@ -13,9 +13,8 @@ import {
   useHomePageRoute,
 } from '@docusaurus/theme-common/internal';
 import Link from '@docusaurus/Link';
-import useBaseUrl from '@docusaurus/useBaseUrl';
 import {translate} from '@docusaurus/Translate';
-import IconHome from '@theme/Icon/Home';
+import HomeBreadcrumbItem from '@theme/DocBreadcrumbs/Items/Home';
 
 import styles from './styles.module.css';
 
@@ -79,24 +78,6 @@ function BreadcrumbsItem({
   );
 }
 
-function HomeBreadcrumbItem() {
-  const homeHref = useBaseUrl('/');
-  return (
-    <li className="breadcrumbs__item">
-      <Link
-        aria-label={translate({
-          id: 'theme.docs.breadcrumbs.home',
-          message: 'Home page',
-          description: 'The ARIA label for the home page in the breadcrumbs',
-        })}
-        className={clsx('breadcrumbs__link', styles.breadcrumbsItemLink)}
-        href={homeHref}>
-        <IconHome className={styles.breadcrumbHomeIcon} />
-      </Link>
-    </li>
-  );
-}
-
 export default function DocBreadcrumbs(): JSX.Element | null {
   const breadcrumbs = useSidebarBreadcrumbs();
   const homePageRoute = useHomePageRoute();

packages/docusaurus-theme-classic/src/theme/DocBreadcrumbs/styles.module.css

@@ -9,11 +9,3 @@
   --ifm-breadcrumb-size-multiplier: 0.8;
   margin-bottom: 0.8rem;
 }
-
-.breadcrumbHomeIcon {
-  position: relative;
-  top: 1px;
-  vertical-align: top;
-  height: 1.1rem;
-  width: 1.1rem;
-}