rewriteRelativeImportExtensions does not rewrite the extension for an import expressions unless the file is detected to be a module

🔎 Search Terms

rewriteRelativeImportExtensions, import expression

🕗 Version & Regression Information

• This changed between versions 5.7

⏯ Playground Link

https://www.typescriptlang.org/play/?rewriteRelativeImportExtensions=true#code/PTAEEsFsAcHsCcAuoDkA6YAzWs2IM4oDcAsAFBRxIAU6WOehAlOUA

💻 Code

Test One

import('./foo.ts')

Test Two

import './foo.ts';
import('./foo.ts')

🙁 Actual behavior

JS Output

Test One

import('./foo.ts') // ❌

Test Two

import './foo.js'; // ✅
import('./foo.js') // ✅

🙂 Expected behavior

JS Output

Test One

import('./foo.js') // ✅

Test Two

import './foo.js'; // ✅
import('./foo.js') // ✅

Additional information about the issue

No response