yarn-error.log

Arguments: 
  /Users/jasonge/.nvm/versions/node/v10.16.0/bin/node /usr/local/Cellar/yarn/1.15.2/libexec/bin/yarn.js add express

PATH: 
  /Users/jasonge/.nvm/versions/node/v10.16.0/bin:/Users/jasonge/.rbenv/shims:/usr/local/google-cloud-sdk/bin:/Library/Java/JavaVirtualMachines/jdk1.8.0_171.jdk/Contents/Home/bin:~/Library/Android/sdk/tools:~/Library/Android/sdk/platform-tools:/usr/local/opt/python/libexec/bin:/usr/local/bin:/opt/chefdk/bin/:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/go/bin:/usr/local/share/dotnet:/opt/X11/bin:~/.dotnet/tools:/Users/jasonge/bin/:/usr/local/mysql/bin:/Users/jasonge/devtools/arcanist/bin/:/Users/jasonge/go/bin:/usr/local/octave/3.8.0/bin:/Users/jasonge/.fzf/bin:/Users/jasonge/.iterm2:/Users/jasonge/.iterm2

Yarn version: 
  1.15.2

Node version: 
  10.16.0

Platform: 
  darwin x64

Trace: 
  SyntaxError: /Users/jasonge/jksj-repo/git-atomic-demo/package.json: Unexpected end of JSON input
      at JSON.parse (<anonymous>)
      at /usr/local/Cellar/yarn/1.15.2/libexec/lib/cli.js:1625:59
      at Generator.next (<anonymous>)
      at step (/usr/local/Cellar/yarn/1.15.2/libexec/lib/cli.js:304:30)
      at /usr/local/Cellar/yarn/1.15.2/libexec/lib/cli.js:315:13

npm manifest: 
  

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile