module SvelteOnRails::Installer::Npm
def self.inspect_package(package_name)
def self.inspect_package(package_name) pkg = nil version = nil if File.exist?('package-lock.json') pl = JSON.parse(File.read('package-lock.json')) unless pl['packages'] raise "ERROR: package-lock.json found, but no packages found, seems to be corrupted." end pkg = pl['packages'].keys.grep(/\/#{package_name}$/).first version = pl['packages'][pkg]['version'] if pkg end if pkg { type: pkg.match(/^.*?(?=\/[^\/]*$)/).to_s, version: version&.split('.')&.map(&:to_i) } end end
def self.install_or_update_package(package_name, minimal_version: nil, major_version: nil, update_to_latest: true, dev_dependency: false)
def self.install_or_update_package(package_name, minimal_version: nil, major_version: nil, update_to_latest: true, dev_dependency: false) pkg = inspect_package(package_name) puts "#{package_name} already installed (#{pkg[:version].join('.')})" if pkg to_do = if !pkg true elsif major_version r = pkg[:version].first != major_version if r puts "updating to major version #{major_version}" else puts "nothing to do (major version #{major_version} OK)" end r elsif minimal_version r = pkg[:version].first < minimal_version.first || pkg[:version].second < minimal_version.second puts "updating to minimal version #{minimal_version}" if r r else puts 'nothing to do' false end save_dev = (dev_dependency ? ' --save-dev' : '') if to_do cmd = if major_version "npm install #{package_name}@#{major_version}#{save_dev}" elsif update_to_latest "npm install #{package_name}@latest#{save_dev}" else raise "ERROR: not implemented" end stdout, stderr, status = Open3.capture3(cmd) puts cmd if stderr.present? raise "ERROR #{cmd} => #{stderr}" end notice = [ (pkg ? "Updated" : "Installed"), package_name, (pkg ? "from version #{pkg[:version].join('.')}" : nil), (pkg ? "to" : nil), "@latest" ].compact.join(' ') puts notice else min_str = minimal_version.present? ? ", required: >= #{minimal_version.join('.')}" : '' puts "#{package_name} already installed (#{pkg[:version].join('.')}#{min_str}), skipping." end end
def self.link_local_package(package_name, local_package_url)
def self.link_local_package(package_name, local_package_url) Dir.chdir(local_package_url) do `npm unlink` `npm link` end Dir.chdir(Rails.root) do # Instead of just `npm link`, use `npm install` to add the local package to package.json `npm install #{local_package_url} --save` stdout, stderr, status = Open3.capture3("npm ls #{package_name}") if stderr.present? raise "ERROR: npm link failed for #{package_name} => #{stderr}" end puts "Successfully linked #{package_name} to #{local_package_url}" puts " • `npm ls #{package_name}` => «#{stdout}»" end end