Hard coding URLs is significantly worse than having a package.json file:
- you don't need to write the full URL to import a module
- you have a quick overview of which modules are installed and for which reason (dev dependencies)
- you can easily create an immutable list of dependencies
> And what's useless about the security harness
Because most apps will have to enable all flags (file system and network) anyway and because huge security holes like symlinks breaking out of the harness were present not too long ago.