class Importmap::Npm

def packages_with_versions
  # We cannot use the name after "pin" because some dependencies are loaded from inside packages
  # Eg. pin "buffer", to: "https://ga.jspm.io/npm:@jspm/core@2.0.0-beta.19/nodelibs/browser/buffer.js"
  importmap.scan(/^pin .*(?<=npm:|npm\/|skypack\.dev\/|unpkg\.com\/)(.*)(?=@\d+\.\d+\.\d+)@(\d+\.\d+\.\d+(?:[^\/\s["']]*)).*$/) |
    importmap.scan(/^pin ["']([^["']]*)["'].* #.*@(\d+\.\d+\.\d+(?:[^\s]*)).*$/)
end