Merge branch '42641-monaco-service-workers-do-not-work-with-cdn-enabled' into 'master'

Resolve "Monaco service workers do not work with CDN enabled"

Closes #42641

See merge request gitlab-org/gitlab-ce!17021

app/assets/javascripts/ide/monaco_loader.js

@@ -6,6 +6,11 @@ monacoContext.require.config({
   },
 });
 
+// ignore CDN config and use local assets path for service worker which cannot be cross-domain
+const relativeRootPath = (gon && gon.relative_url_root) || '';
+const monacoPath = `${relativeRootPath}/assets/webpack/monaco-editor/vs`;
+window.MonacoEnvironment = { getWorkerUrl: () => `${monacoPath}/base/worker/workerMain.js` };
+
 // eslint-disable-next-line no-underscore-dangle
 window.__monaco_context__ = monacoContext;
 export default monacoContext.require;

changelogs/unreleased/42641-monaco-service-workers-do-not-work-with-cdn-enabled.yml

@@ -0,0 +1,5 @@
+---
+title: Fix monaco editor features which were incompatable with GitLab CDN settings
+merge_request: 17021
+author:
+type: fixed