npm install
npm WARN read-shrinkwrap This version of npm is compatible with lockfileVersion@1, but npm-shrinkwrap.json was generated for lockfileVersion@0. I'll try to do my best with it!
npm WARN react-dom@16.7.0 requires a peer of react@^16.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

audited 27434 packages in 18.71s
found 3 vulnerabilities (2 low, 1 critical)
  run `npm audit fix` to fix them, or `npm audit` for details