在执行npm install时的错误提示
> fsevents@1.2.11 install /*...*/project/node_modules/chokidar/node_modules/fsevents
> node-gyp rebuild
No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.
No receipt for 'com.apple.pkg.DeveloperToolsCLILeo' found at '/'.
No receipt for 'com.apple.pkg.DeveloperToolsCLI' found at '/'.
gyp: No Xcode or CLT version detected!
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack at ChildProcess.onCpExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:351:16)
gyp ERR! stack at ChildProcess.emit (events.js:210:5)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)
gyp ERR! System Darwin 19.2.0
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/guoguo/Sites/pufa100/react-admin/node_modules/chokidar/node_modules/fsevents
gyp ERR! node -v v12.14.0
gyp ERR! node-gyp -v v5.0.5
gyp ERR! not ok
解决方法：
安装Xcode并执行 sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
