{
  "options": {
    "amd.concat": true,
    "amd.basePath": "client",
    "amd.names": {
      "box2d": "bower_components/box2d.js/box2d.js",
      "pixi": "bower_components/pixi/bin/pixi.js",
      "react": "bower_components/react/react.js",
      "underscore": "bower_components/underscore/underscore.js"
    },
    "amd.shims": {
      "box2d": {"global": "Box2D"}
    },
    "processors.es6.options.compatFix": true
  },
  "targets": {
    "client/index.es6": "public",
    "styles/index.scss": "public"
  }
}

{
  "options": {
    "amd.concat": true,
    "amd.basePath": "client",
    "amd.names": {
      "box2d": "bower_components/box2d.js/box2d.umd.js",
      "pixi": "bower_components/pixi/bin/pixi.js",
      "react": "bower_components/react/react.js",
      "underscore": "bower_components/underscore/underscore.js"
    },
    "processors.es6.options.compatFix": true,
    "compressors.js.options.arguments": ["--warning_level", "QUIET"]
  },
  "compressors": {
    "js": "closure-compiler",
    "css": "csso"
  },
  "targets": {
    "client/index.es6": "public",
    "styles/index.scss": "public"
  }
}

Use closure compiler, uglify is breaking pixi
Use closure compiler, uglify is breaking pixi
