npm install -g npm@11.0.0
npm error code EBADENGINE
npm error engine Unsupported engine
npm error engine Not compatible with your version of node/npm: npm@11.0.0
npm error notsup Not compatible with your version of node/npm: npm@11.0.0
npm error notsup Required: {"node":"^20.17.0 || >=22.9.0"}
npm error notsup Actual: {"npm":"10.8.3","node":"v20.9.0"}
ありゃ。
$ nvm install node
$ node -v
v23.5.0
$ npm install -g npm@latest
自分がbrewではなくnvm使ってたのを忘れてた。