fix(core): use locale url in site config (#12054)

Author: rohan-patnaik

packages/docusaurus/src/server/__tests__/__snapshots__/site.test.ts.snap

@@ -1844,7 +1844,7 @@ exports[`loadSite > simple-site-with-baseUrl-i18n > loads site - locale es 1`] =
     "themes": [],
     "title": "Hello",
     "titleDelimiter": "|",
-    "url": "https://docusaurus.io",
+    "url": "https://es.docusaurus.io",
   },
   "siteConfigPath": "<PROJECT_ROOT>/packages/docusaurus/src/server/__tests__/__fixtures__/loadSiteFixtures/simple-site-with-baseUrl-i18n/docusaurus.config.js",
   "siteDir": "<PROJECT_ROOT>/packages/docusaurus/src/server/__tests__/__fixtures__/loadSiteFixtures/simple-site-with-baseUrl-i18n",
@@ -2312,7 +2312,7 @@ exports[`loadSite > simple-site-with-baseUrl-i18n > loads site - locale it 1`] =
     "themes": [],
     "title": "Hello",
     "titleDelimiter": "|",
-    "url": "https://docusaurus.io",
+    "url": "https://it.docusaurus.io",
   },
   "siteConfigPath": "<PROJECT_ROOT>/packages/docusaurus/src/server/__tests__/__fixtures__/loadSiteFixtures/simple-site-with-baseUrl-i18n/docusaurus.config.js",
   "siteDir": "<PROJECT_ROOT>/packages/docusaurus/src/server/__tests__/__fixtures__/loadSiteFixtures/simple-site-with-baseUrl-i18n",

packages/docusaurus/src/server/__tests__/site.test.ts

@@ -87,6 +87,13 @@ describe('loadSite', () => {
       expect(site.props).toMatchSnapshot();
     });
 
+    it('uses locale url in site config', async () => {
+      const site = await loadSiteFixture(siteFixture, {
+        locale: 'es',
+      });
+      expect(site.props.siteConfig.url).toBe('https://es.docusaurus.io');
+    });
+
     it('loads site - locale de', async () => {
       const site = await loadSiteFixture(siteFixture, {
         locale: 'de',

packages/docusaurus/src/server/site.ts

@@ -149,6 +149,7 @@ export async function loadContext(
 
   const siteConfig: DocusaurusConfig = {
     ...initialSiteConfig,
+    url: localeConfig.url,
     baseUrl,
   };