Babel error: Class constructor Foo cannot be invoked without 'new'

Question

I am using babel to transpile.

I have class BaseComponent which is extended by class Logger.

When I run new Logger() i

Answer 1

Another solution is to include { exclude: ["transform-es2015-classes"] } in .babelrc

presets: [
   ["env", { exclude: ["transform-es2015-classes"] }]
]

UPDATE: In the latest version of "env" preset plugin names have changed (e.g. it's now "transform-classes"). Use the "debug" option to inspect which plugins are included.