This repo reproduces an "Module parse failed: Unexpected token" when using optional chaining or nullish coalescing operator with TS target "ESNext" in compiler options.
| package | version |
|---|---|
| webpack | 4.41.5 |
| typescript | 3.7.4 |
| ts-loader | 6.2.1 |
| webpack-cli | 3.3.10 |
Note: To be clear typescript is not needed to reproduce this error but in my case I using it