下準備 まずはNode.jsを入れるところから。 > brew install nodebrew Warning: nodebrew 1.0.1 is already installed and up-to-date To reinstall 1.0.1, run `brew reinstall nodebrew` あれ？ > nodebrew -v nodebrew 1.0.1 Usage: nodebrew help Show th…

http://jdk.java.net/13/ からダウンロード。展開して、 > sudo mv ./jdk-13.jdk/ /Library/Java/JavaVirtualMachines/ > /usr/libexec/java_home /Library/Java/JavaVirtualMachines/jdk-13.jdk/Contents/Home > set -x JAVA_HOME (/usr/libexec/java_home …