SyntaxError: Unexpected identifier '_typeof'. import call expects exactly one argument.

[muenalan]

Empty page in browser, and this error is displayed in the debug console

[ratiw]

Looks like the config is not quite right. What version of vue and vue-cli you're using?

[v1pka]

I have the same issue with lesson-1 and lesson-2. I'm using npm 6.4.1, all code is without modification.