Description

monaco-editor version: 0.53.0

Warning in console:

Could not create web worker(s). Falling back to loading web worker code in main thread, which might cause UI freezes. 
Cannot use 'in' operator to search for 'then' in undefined

All the funcitionalities do not work.

• No such issue with monaco-editor v0.52.2

• No such issue if using the full monaco instead of monaco-editor/esm/vs/editor/editor.api with monaco-editor v0.53.0

Reproduction

https://stackblitz.com/edit/vitejs-vite-j2rtv3gq