chore: upgrade TypeScript & other ESLint related deps (#5963)

* chore: upgrade ESLint related deps

* Upgrade TS

* Fix lock

* Bump Babel

* Update config

packages/docusaurus-plugin-content-docs/src/__tests__/versions.test.ts

@@ -600,11 +600,9 @@ describe('versioned site, pluginId=default', () => {
   test('readVersionsMetadata versioned site with invalid versions.json file', async () => {
     const {defaultOptions, defaultContext} = await loadSite();
 
-    const mock = jest.spyOn(JSON, 'parse').mockImplementationOnce(() => {
-      return {
-        invalid: 'json',
-      };
-    });
+    const mock = jest.spyOn(JSON, 'parse').mockImplementationOnce(() => ({
+      invalid: 'json',
+    }));
 
     expect(() => {
       readVersionsMetadata({

packages/docusaurus-plugin-content-docs/src/client/docsClientUtils.ts

@@ -31,13 +31,12 @@ export function getActivePlugin(
   options: GetActivePluginOptions = {},
 ): ActivePlugin | undefined {
   const activeEntry = Object.entries(allPluginDatas).find(
-    ([_id, pluginData]) => {
-      return !!matchPath(pathname, {
+    ([_id, pluginData]) =>
+      !!matchPath(pathname, {
         path: pluginData.path,
         exact: false,
         strict: false,
-      });
-    },
+      }),
   );
 
   const activePlugin: ActivePlugin | undefined = activeEntry
@@ -63,9 +62,8 @@ export type ActiveDocContext = {
   alternateDocVersions: Record<string, Doc>;
 };
 
-export const getLatestVersion = (data: GlobalPluginData): Version => {
-  return data.versions.find((version) => version.isLast)!;
-};
+export const getLatestVersion = (data: GlobalPluginData): Version =>
+  data.versions.find((version) => version.isLast)!;
 
 // Note: return undefined on doc-unrelated pages,
 // because there's no version currently considered as active
@@ -80,13 +78,14 @@ export const getActiveVersion = (
     ...data.versions.filter((version) => version !== lastVersion),
     lastVersion,
   ];
-  return orderedVersionsMetadata.find((version) => {
-    return !!matchPath(pathname, {
-      path: version.path,
-      exact: false,
-      strict: false,
-    });
-  });
+  return orderedVersionsMetadata.find(
+    (version) =>
+      !!matchPath(pathname, {
+        path: version.path,
+        exact: false,
+        strict: false,
+      }),
+  );
 };
 
 export const getActiveDocContext = (

packages/docusaurus-plugin-content-docs/src/plugin-content-docs.d.ts

@@ -70,12 +70,10 @@ declare module '@theme/DocItem' {
     readonly title: string;
     readonly image?: string;
     readonly keywords?: readonly string[];
-    /* eslint-disable camelcase */
     readonly hide_title?: boolean;
     readonly hide_table_of_contents?: boolean;
     readonly toc_min_heading_level?: number;
     readonly toc_max_heading_level?: number;
-    /* eslint-enable camelcase */
   };
 
   export type Metadata = {

packages/docusaurus-plugin-content-docs/src/sidebars/__tests__/generator.test.ts

@@ -36,14 +36,16 @@ describe('DefaultSidebarItemsGenerator', () => {
   function mockCategoryMetadataFiles(
     categoryMetadataFiles: Record<string, Partial<CategoryMetadataFile>>,
   ) {
-    jest.spyOn(fs, 'pathExists').mockImplementation((metadataFilePath) => {
-      return typeof categoryMetadataFiles[metadataFilePath] !== 'undefined';
-    });
+    jest
+      .spyOn(fs, 'pathExists')
+      .mockImplementation(
+        (metadataFilePath) =>
+          typeof categoryMetadataFiles[metadataFilePath] !== 'undefined',
+      );
     jest.spyOn(fs, 'readFile').mockImplementation(
       // @ts-expect-error: annoying TS error due to overrides
-      async (metadataFilePath: string) => {
-        return JSON.stringify(categoryMetadataFiles[metadataFilePath]);
-      },
+      async (metadataFilePath: string) =>
+        JSON.stringify(categoryMetadataFiles[metadataFilePath]),
     );
   }
 

packages/docusaurus-plugin-content-docs/src/sidebars/__tests__/processor.test.ts

@@ -21,9 +21,7 @@ describe('processSidebars', () => {
   ];
 
   const StaticSidebarItemsGenerator: SidebarItemsGenerator = jest.fn(
-    async () => {
-      return StaticGeneratedSidebarSlice;
-    },
+    async () => StaticGeneratedSidebarSlice,
   );
 
   async function testProcessSidebars(unprocessedSidebars: NormalizedSidebars) {

packages/docusaurus-plugin-content-docs/src/sidebars/utils.ts

@@ -73,9 +73,9 @@ export function collectSidebarLinks(sidebar: Sidebar): SidebarItemLink[] {
 export function collectSidebarsDocIds(
   sidebars: Sidebars,
 ): Record<string, string[]> {
-  return mapValues(sidebars, (sidebar) => {
-    return collectSidebarDocItems(sidebar).map((docItem) => docItem.id);
-  });
+  return mapValues(sidebars, (sidebar) =>
+    collectSidebarDocItems(sidebar).map((docItem) => docItem.id),
+  );
 }
 
 export function createSidebarsUtils(sidebars: Sidebars): {

packages/docusaurus-plugin-content-docs/src/tags.ts

@@ -11,11 +11,9 @@ import {mapValues} from 'lodash';
 
 export function getVersionTags(docs: DocMetadata[]): VersionTags {
   const groups = groupTaggedItems(docs, (doc) => doc.tags);
-  return mapValues(groups, (group) => {
-    return {
-      name: group.tag.label,
-      docIds: group.items.map((item) => item.id),
-      permalink: group.tag.permalink,
-    };
-  });
+  return mapValues(groups, (group) => ({
+    name: group.tag.label,
+    docIds: group.items.map((item) => item.id),
+    permalink: group.tag.permalink,
+  }));
 }

packages/docusaurus-plugin-content-docs/src/translations.ts

@@ -164,16 +164,16 @@ function translateSidebars(
   version: LoadedVersion,
   sidebarsTranslations: TranslationFileContent,
 ): Sidebars {
-  return mapValues(version.sidebars, (sidebar, sidebarName) => {
-    return translateSidebar({
+  return mapValues(version.sidebars, (sidebar, sidebarName) =>
+    translateSidebar({
       sidebar,
       sidebarName: getNormalizedSidebarName({
         sidebarName,
         versionName: version.versionName,
       }),
       sidebarsTranslations,
-    });
-  });
+    }),
+  );
 }
 
 function getVersionTranslationFiles(version: LoadedVersion): TranslationFiles {

packages/docusaurus-plugin-content-docs/src/types.ts

@@ -113,7 +113,6 @@ export type LastUpdateData = {
 
 export type DocFrontMatter = {
   // Front matter uses snake case
-  /* eslint-disable camelcase */
   id?: string;
   title?: string;
   tags?: FrontMatterTag[];
@@ -133,7 +132,6 @@ export type DocFrontMatter = {
   toc_max_heading_level?: number;
   pagination_next?: string | null;
   pagination_prev?: string | null;
-  /* eslint-enable camelcase */
 };
 
 export type DocMetadataBase = LastUpdateData & {