Block-scoped declarations not yet supported outside strict mode
I had the same problem coused by the old version of nodejs package on Ubuntu. I’ve just updated to 7.5 and it’s working.
laravel-mix
What Are “npm run dev” and “npm run prod”
They are indeed the scripts as defined in the package.json file as you discovered. The values are run by your shell (so, for example, bash, zsh, etc. on UNIX-like operating systems). One key thing to note is that the node_modules/.bin directory is added to PATH before executing. So, in the case of the two scripts you’re asking about, cross-env can be found in node_modules/.bin (because it’s almost … Read more