npmに代わるNodeパッケージマネージャーyarn

yarn https://yarnpkg.com/ FacebookとExponent, Google, Tildeとの共同チームによって生まれた新しいパッケージマネージャー Yarn pulls packages from registry.yarnpkg.com, which allows them to run experiments with the Yarn client. This is a proxy that pulls packages from the official npm registry, much li…