v4.29.0 : Module parse failed: 'import' and 'export' may only appear at the top level

[huineng]

Bug report

What is the current behavior?

Error in dynamic import

Module parse failed: 'import' and 'export' may only appear at the top level (45:8)
You may need an appropriate loader to handle this file type.

ngAfterViewInit() {
      import('./df.tinymce.files')
            .then(() => {

What is the expected behavior?
Until version 4.29.0 this was working as expected, it's only with this version that this error happens

Other relevant information:
webpack version: v4.29.0
Node.js version: v11.7.0
Operating System: mac
Additional tools: ts 3.2.2

[sokra]

Looks like related to #8598

It would be great if you reduce your issue to a small reproducible example. Best put this example into a github repository together with instructions how to get to the problem.

cc @kiliancs

[sokra]

Duplicate of #8656