cleanup lastUpdateUtils from useless hardcoded things, in favor of new VCS system

packages/docusaurus-plugin-sitemap/src/createSitemapItem.ts

@@ -16,7 +16,7 @@ async function getRouteLastUpdatedAt(
   vcs: Pick<VcsConfig, 'getFileLastUpdateInfo'>,
 ): Promise<number | null | undefined> {
   // Important to bail-out early here
-  // This can lead to duplicated getLastUpdate() calls and performance problems
+  // This can lead to duplicated VCS calls and performance problems
   // See https://github.com/facebook/docusaurus/pull/11211
   if (route.metadata?.lastUpdatedAt === null) {
     return null;

packages/docusaurus-utils/src/index.ts

@@ -124,7 +124,6 @@ export {flattenRoutes} from './routeUtils';
 
 export {
   getGitLastUpdate,
-  getLastUpdate,
   readLastUpdateData,
   type LastUpdateData,
   type FrontMatterLastUpdate,

packages/docusaurus-utils/src/lastUpdateUtils.ts

@@ -13,6 +13,7 @@ import {
   getFileCommitDate,
 } from './vcs/gitUtils';
 import {getDefaultVcsConfig} from './vcs/vcs';
+
 import type {PluginOptions, VcsConfig} from '@docusaurus/types';
 
 export type LastUpdateData = {
@@ -72,12 +73,6 @@ export async function getGitLastUpdate(
   }
 }
 
-export async function getLastUpdate(
-  filePath: string,
-): Promise<LastUpdateData | null> {
-  return getGitLastUpdate(filePath);
-}
-
 type LastUpdateOptions = Pick<
   PluginOptions,
   'showLastUpdateAuthor' | 'showLastUpdateTime'

packages/docusaurus-utils/src/vcs/vcsGitAdHoc.ts

@@ -10,7 +10,7 @@ import {
   getFileCommitDate,
   GitNotFoundError,
 } from './gitUtils';
-import {getLastUpdate} from '../lastUpdateUtils';
+import {getGitLastUpdate} from '../lastUpdateUtils';
 import type {VcsConfig} from '@docusaurus/types';
 
 /**
@@ -52,7 +52,7 @@ export const VcsGitAdHoc: VcsConfig = {
     // TODO non-ideal integration but good enough for now
     // This keeps this new VscConfig system retro-compatible with the existing
     // historical Docusaurus behavior based on Git
-    const result = await getLastUpdate(filePath);
+    const result = await getGitLastUpdate(filePath);
     if (result === null) {
       return null;
     }