babel-loader@9.1.0 - C-style commenting in JavaScript function calls is causing compilation errors. babel-loader is treating /* comments */ as unexpected tokens when they appear after => arrow functions operators.

[knuula]

I'm submitting a bug report

Webpack Version:
5.64.4

Babel Core Version:
7.16.0

Babel Loader Version:
9.1.0

Please tell us about your environment:
Windows 10

Current behavior:
during the compiling process, babel-loader is treating /* */ (C-style comment syntax) as unexpected tokens - causing a compiler failure.

Expected/desired behavior:

• babel-loader should treat this type of commenting as normal commenting during the compiling process.

• If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem along with a gist/jsbin of your webpack configuration.

• What is the expected behavior?

• babel-loader should treat this type of commenting as normal commenting during the compiling process.

• What is the motivation / use case for changing the behavior?

• it is causing compiler failures.

[jawn-ha]

same problem

[eladonline]

you can see this explained here diegomura/react-pdf#2072

[willphamsg]

same problem

[nicolo-ribaudo]

We will release a fix for this today. As a workaround, you can pin your @babel/generator version to 7.19

[hungdev]

but i dont use @babel/generator in my project @nicolo-ribaudo

[eladonline]

We will release a fix for this today. As a workaround, you can pin your @babel/generator version to 7.19

not working

[knuula]

this worked as a fix for me in package.json

[hungdev]

love you, you save me a lot of time @knuula <3
but i think this is a temporary solution

[JLHwung]

Duplicate of babel/babel#15132, this issue has been fixed in @babel/generator 7.20.3