It's a stage 2 proposal, which technically can be used today via babel[0] (though personally, I don't recommend using stuff below stage 4) [0] https://babeljs.

It's a stage 2 proposal, which technically can be used today via babel[0] (though personally, I don't recommend using stuff below stage 4) [0] https://babeljs.io/docs/en/babel-plugin-proposal-throw-expressions https://babeljs.io/docs/en/babel-plugin-proposal-throw-expre...