require.main.require imports do not work

<!-- BUGS: Please use this template. --> <!-- QUESTIONS: This is not a general support forum! Ask Qs at http://stackoverflow.com/questions/tagged/typescript --> <!-- SUGGESTIONS: See https://github.com/Microsoft/TypeScript-wiki/blob/master/Writing-Good-Design-Proposals.md --> <!-- Please try to reproduce the issue with `typescript@next`. It may have already been fixed. --> **TypeScript Version:** 2.6.0-dev.201xxxxx From: https://github.com/Microsoft/vscode/issues/35489#issuecomment-335689358 **Code** ```ts const myModule = require.main.require('./file.js') ``` Run go to definition on `myModule` **Expected behavior:** Goes to defintion of `myModule` **Actual behavior:** Nothing happens. Looks like we don't understand `require.main.require` style imports