进入终端执行以下四个步骤:
sudo rm -rf /usr/local/lib/node_modules
sudo rm -rf ~/.npm
brew uninstall --force node
brew install node
如果还出现错误,进入项目目录执行:
npm install -g react-native-cli
https://stackoverflow.com/questions/33870520/npm-install-cannot-find-module-semver