yarn-error.log

Arguments: 
  /usr/local/bin/node /usr/local/bin/yarn add --dev gulp gulp-concat gulp-babel

PATH: 
  /Users/hectorromo/.composer/vendor/bin:/Users/hectorromo/.rvm/gems/ruby-2.3.0/bin:/Users/hectorromo/.rvm/gems/ruby-2.3.0@global/bin:/Users/hectorromo/.rvm/rubies/ruby-2.3.0/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/hectorromo/.composer/vendor/bin:/Users/hectorromo/.rvm/gems/ruby-2.3.0/bin:/Users/hectorromo/.rvm/gems/ruby-2.3.0@global/bin:/Users/hectorromo/.rvm/rubies/ruby-2.3.0/bin:/Users/hectorromo/.rvm/bin/usr/local/bin:/Users/hectorromo/.vimpkg/bin:/Users/hectorromo/.rvm/bin/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/hectorromo/.vimpkg/bin

Yarn version: 
  0.27.5

Node version: 
  6.9.1

Platform: 
  darwin x64

npm manifest: 
  {
    "name": "zoetrope",
    "version": "1.0.0",
    "main": "index.js",
    "repository": "git@github.com:hectorromo/zoetrope.git",
    "author": "Hector Romo <info@hectorromo.com>",
    "license": "MIT",
    "scripts": {
      //"build": "bankai build index.js",
      //"start": "bankai start index.js"
    },
    "devDependencies": {}
  }

yarn manifest: 
  No manifest

Lockfile: 
  # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
  # yarn lockfile v1

Trace: 
  SyntaxError: /Users/hectorromo/Sites/projects/_lab/zoetrope/package.json: Unexpected token / in JSON at position 214
      at Object.parse (native)
      at /usr/local/lib/node_modules/yarn/lib/util/fs.js:554:57
      at next (native)
      at step (/usr/local/lib/node_modules/yarn/node_modules/babel-runtime/helpers/asyncToGenerator.js:17:30)
      at /usr/local/lib/node_modules/yarn/node_modules/babel-runtime/helpers/asyncToGenerator.js:28:13