Changed to uglifyjs-webpack-plugin for es2015 support.

config/webpack.production.config.js

@@ -7,6 +7,7 @@ var HtmlWebpackPlugin = require('html-webpack-plugin');
 var WebpackCleanupPlugin = require('webpack-cleanup-plugin');
 var BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
 var CopyWebpackPlugin = require('copy-webpack-plugin');
+var UglifyJsPlugin = require('uglifyjs-webpack-plugin');
 
 var OUTPATH;
 if(process.env.CIRCLE_ARTIFACTS) {
@@ -49,8 +50,7 @@ module.exports = {
   },
   module: {
     noParse: [
-      /mapbox-gl\/dist\/mapbox-gl.js/,
+      /mapbox-gl\/dist\/mapbox-gl.js/
-      /openlayers\/dist\/ol.js/
     ],
     loaders
   },
@@ -68,12 +68,7 @@ module.exports = {
         NODE_ENV: '"production"'
       }
     }),
-    new webpack.optimize.UglifyJsPlugin({
+    new UglifyJsPlugin(),
-      compress: {
-        warnings: false,
-        screw_ie8: true,
-      }
-    }),
     new ExtractTextPlugin('[contenthash].css', {
       allChunks: true
     }),

package-lock.json

@@ -346,6 +346,18 @@
         "es6-promisify": "5.0.0"
       }
     },
+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "dev": true,
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.0.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
+    },
     "ajv-keywords": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-2.1.1.tgz",
@@ -1847,6 +1859,39 @@
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
     },
+    "cacache": {
+      "version": "10.0.2",
+      "resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.2.tgz",
+      "integrity": "sha512-dljb7dk1jqO5ogE+dRpoR9tpHYv5xz9vPSNunh1+0wRuNdYxmzp9WmsyokgW/DUF1FDRVA/TMsmxt027R8djbQ==",
+      "dev": true,
+      "requires": {
+        "bluebird": "3.5.1",
+        "chownr": "1.0.1",
+        "glob": "7.1.2",
+        "graceful-fs": "4.1.11",
+        "lru-cache": "4.1.1",
+        "mississippi": "1.3.1",
+        "mkdirp": "0.5.1",
+        "move-concurrently": "1.0.1",
+        "promise-inflight": "1.0.1",
+        "rimraf": "2.6.2",
+        "ssri": "5.1.0",
+        "unique-filename": "1.1.0",
+        "y18n": "3.2.1"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz",
+          "integrity": "sha512-q4spe4KTfsAS1SUHLO0wz8Qiyf1+vMIAgpRYioFYDMNqKfHQbg+AVDH3i4fvpl71/P1L0dBl+fQi+P37UYf0ew==",
+          "dev": true,
+          "requires": {
+            "pseudomap": "1.0.2",
+            "yallist": "2.1.2"
+          }
+        }
+      }
+    },
     "call-matcher": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/call-matcher/-/call-matcher-1.0.1.tgz",
@@ -2024,6 +2069,12 @@
         "readdirp": "2.1.0"
       }
     },
+    "chownr": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz",
+      "integrity": "sha1-4qdQQqlVGQi+vSW4Uj1fl2nXkYE=",
+      "dev": true
+    },
     "cipher-base": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
@@ -2478,6 +2529,20 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
       "dev": true
     },
+    "copy-concurrently": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
+      "integrity": "sha512-f2domd9fsVDFtaFcbaRZuYXwtdmnzqbADSwhSWYxYB/Q8zsdUUFMXVRwXGDMWmbEzAn1kdRrtI1T/KTFOL4X2A==",
+      "dev": true,
+      "requires": {
+        "aproba": "1.2.0",
+        "fs-write-stream-atomic": "1.0.10",
+        "iferr": "0.1.5",
+        "mkdirp": "0.5.1",
+        "rimraf": "2.6.2",
+        "run-queue": "1.0.3"
+      }
+    },
     "copy-to-clipboard": {
       "version": "3.0.8",
       "resolved": "https://registry.npmjs.org/copy-to-clipboard/-/copy-to-clipboard-3.0.8.tgz",
@@ -2932,6 +2997,12 @@
       "integrity": "sha1-32fpK/EqeW9J6Sh5nI2zunS5/NY=",
       "dev": true
     },
+    "cyclist": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/cyclist/-/cyclist-0.2.2.tgz",
+      "integrity": "sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA=",
+      "dev": true
+    },
     "d": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
@@ -3352,6 +3423,18 @@
         }
       }
     },
+    "duplexify": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.5.3.tgz",
+      "integrity": "sha512-g8ID9OroF9hKt2POf8YLayy+9594PzmM3scI00/uBXocX3TWNgoB67hjzkFe9ITAbQOne/lLdBxHXvYUM4ZgGA==",
+      "dev": true,
+      "requires": {
+        "end-of-stream": "1.4.0",
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3",
+        "stream-shift": "1.0.0"
+      }
+    },
     "earcut": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/earcut/-/earcut-2.1.3.tgz",
@@ -4413,6 +4496,16 @@
         "vlq": "0.2.3"
       }
     },
+    "flush-write-stream": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/flush-write-stream/-/flush-write-stream-1.0.2.tgz",
+      "integrity": "sha1-yBuQ2HRnZvGmCaRoCZRsRd2K5Bc=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3"
+      }
+    },
     "follow-redirects": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.0.0.tgz",
@@ -4450,6 +4543,16 @@
       "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
       "dev": true
     },
+    "from2": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/from2/-/from2-2.3.0.tgz",
+      "integrity": "sha1-i/tVAr3kpNNs/e6gB/zKIdfjgq8=",
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3"
+      }
+    },
     "fs-access": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz",
@@ -4459,6 +4562,18 @@
         "null-check": "1.0.0"
       }
     },
+    "fs-write-stream-atomic": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz",
+      "integrity": "sha1-tH31NJPvkR33VzHnCp3tAYnbQMk=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "4.1.11",
+        "iferr": "0.1.5",
+        "imurmurhash": "0.1.4",
+        "readable-stream": "2.3.3"
+      }
+    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -5958,6 +6073,12 @@
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
       "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
     },
+    "iferr": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/iferr/-/iferr-0.1.5.tgz",
+      "integrity": "sha1-xg7taebY/bazEEofy8ocGS3FtQE=",
+      "dev": true
+    },
     "ignore": {
       "version": "3.3.7",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.7.tgz",
@@ -7702,6 +7823,24 @@
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
     },
+    "mississippi": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-1.3.1.tgz",
+      "integrity": "sha512-/6rB8YXFbAtsUVRphIRQqB0+9c7VaPHCjVtvto+JqwVxgz8Zz+I+f68/JgQ+Pb4VlZb2svA9OtdXnHHsZz7ltg==",
+      "dev": true,
+      "requires": {
+        "concat-stream": "1.6.0",
+        "duplexify": "3.5.3",
+        "end-of-stream": "1.4.0",
+        "flush-write-stream": "1.0.2",
+        "from2": "2.3.0",
+        "parallel-transform": "1.1.0",
+        "pump": "1.0.3",
+        "pumpify": "1.4.0",
+        "stream-each": "1.2.2",
+        "through2": "2.0.3"
+      }
+    },
     "mixin-object": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/mixin-object/-/mixin-object-2.0.1.tgz",
@@ -7853,6 +7992,20 @@
       "resolved": "https://registry.npmjs.org/mousetrap/-/mousetrap-1.6.1.tgz",
       "integrity": "sha1-KghfXHUSlMdefoH27CVFspy/Qtk="
     },
+    "move-concurrently": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/move-concurrently/-/move-concurrently-1.0.1.tgz",
+      "integrity": "sha1-viwAX9oy4LKa8fBdfEszIUxwH5I=",
+      "dev": true,
+      "requires": {
+        "aproba": "1.2.0",
+        "copy-concurrently": "1.0.5",
+        "fs-write-stream-atomic": "1.0.10",
+        "mkdirp": "0.5.1",
+        "rimraf": "2.6.2",
+        "run-queue": "1.0.3"
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -8739,6 +8892,17 @@
       "integrity": "sha1-8/dSL073gjSNqBYbrZ7P1Rv4OnU=",
       "dev": true
     },
+    "parallel-transform": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/parallel-transform/-/parallel-transform-1.1.0.tgz",
+      "integrity": "sha1-1BDwZbBdojCB/NEPKIVMKb2jOwY=",
+      "dev": true,
+      "requires": {
+        "cyclist": "0.2.2",
+        "inherits": "2.0.3",
+        "readable-stream": "2.3.3"
+      }
+    },
     "param-case": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/param-case/-/param-case-2.1.1.tgz",
@@ -9724,6 +9888,12 @@
         "asap": "2.0.6"
       }
     },
+    "promise-inflight": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/promise-inflight/-/promise-inflight-1.0.1.tgz",
+      "integrity": "sha1-mEcocL8igTL8vdhoEputEsPAKeM=",
+      "dev": true
+    },
     "prop-types": {
       "version": "15.6.0",
       "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.6.0.tgz",
@@ -9774,6 +9944,39 @@
         "randombytes": "2.0.5"
       }
     },
+    "pump": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-1.0.3.tgz",
+      "integrity": "sha512-8k0JupWme55+9tCVE+FS5ULT3K6AbgqrGa58lTT49RpyfwwcGedHqaC5LlQNdEAumn/wFsu6aPwkuPMioy8kqw==",
+      "dev": true,
+      "requires": {
+        "end-of-stream": "1.4.0",
+        "once": "1.4.0"
+      }
+    },
+    "pumpify": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-1.4.0.tgz",
+      "integrity": "sha512-2kmNR9ry+Pf45opRVirpNuIFotsxUGLaYqxIwuR77AYrYRMuFCz9eryHBS52L360O+NcR383CL4QYlMKPq4zYA==",
+      "dev": true,
+      "requires": {
+        "duplexify": "3.5.3",
+        "inherits": "2.0.3",
+        "pump": "2.0.1"
+      },
+      "dependencies": {
+        "pump": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
+          "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+          "dev": true,
+          "requires": {
+            "end-of-stream": "1.4.0",
+            "once": "1.4.0"
+          }
+        }
+      }
+    },
     "punycode": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
@@ -10897,6 +11100,15 @@
         "is-promise": "2.1.0"
       }
     },
+    "run-queue": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/run-queue/-/run-queue-1.0.3.tgz",
+      "integrity": "sha1-6Eg5bwV9Ij8kOGkkYY4laUFh7Ec=",
+      "dev": true,
+      "requires": {
+        "aproba": "1.2.0"
+      }
+    },
     "rw": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/rw/-/rw-1.3.3.tgz",
@@ -11081,6 +11293,12 @@
         "upper-case-first": "1.1.2"
       }
     },
+    "serialize-javascript": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.4.0.tgz",
+      "integrity": "sha1-fJWFFNtqwkQ6irwGLcn3iGp/YAU=",
+      "dev": true
+    },
     "serve-index": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",
@@ -11560,6 +11778,15 @@
         }
       }
     },
+    "ssri": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/ssri/-/ssri-5.1.0.tgz",
+      "integrity": "sha512-TevC8fgxQKTfQ1nWtM9GNzr3q5rrHNntG9CDMH1k3QhSZI6Kb+NbjLRs8oPFZa2Hgo7zoekL+UTvoEk7tsbjQg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "stackframe": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/stackframe/-/stackframe-0.3.1.tgz",
@@ -11702,6 +11929,16 @@
         "through": "2.3.8"
       }
     },
+    "stream-each": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.2.tgz",
+      "integrity": "sha512-mc1dbFhGBxvTM3bIWmAAINbqiuAk9TATcfIQC8P+/+HJefgaiTlMn2dHvkX8qlI12KeYKSQ1Ua9RrIqrn1VPoA==",
+      "dev": true,
+      "requires": {
+        "end-of-stream": "1.4.0",
+        "stream-shift": "1.0.0"
+      }
+    },
     "stream-http": {
       "version": "2.7.2",
       "resolved": "https://registry.npmjs.org/stream-http/-/stream-http-2.7.2.tgz",
@@ -11715,6 +11952,12 @@
         "xtend": "4.0.1"
       }
     },
+    "stream-shift": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
+      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
+      "dev": true
+    },
     "strict-uri-encode": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -12366,21 +12609,26 @@
       "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.17.tgz",
       "integrity": "sha512-uRdSdu1oA1rncCQL7sCj8vSyZkgtL7faaw9Tc9rZ3mGgraQ7+Pdx7w5mnOSF3gw9ZNG6oc+KXfkon3bKuROm0g=="
     },
-    "uglify-js": {
+    "uglify-es": {
-      "version": "2.8.29",
+      "version": "3.3.9",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
-      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "integrity": "sha512-r+MU0rfv4L/0eeW3xZrd16t4NZfK8Ld4SWVglYBb7ez5uXFWHuVRs6xCTrf1yirs9a4j4Y27nn7SRfO6v67XsQ==",
       "dev": true,
       "requires": {
-        "source-map": "0.5.7",
+        "commander": "2.13.0",
-        "uglify-to-browserify": "1.0.2",
+        "source-map": "0.6.1"
-        "yargs": "3.10.0"
       },
       "dependencies": {
+        "commander": {
+          "version": "2.13.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
+          "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA==",
+          "dev": true
+        },
         "source-map": {
-          "version": "0.5.7",
+          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         }
       }
@@ -12393,21 +12641,46 @@
       "optional": true
     },
     "uglifyjs-webpack-plugin": {
-      "version": "0.4.6",
+      "version": "1.1.8",
-      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz",
+      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.8.tgz",
-      "integrity": "sha1-uVH0q7a9YX5m9j64kUmOORdj4wk=",
+      "integrity": "sha512-XG8/QmR1pyPeE1kj2aigo5kos8umefB31zW+PMvAAytHSB0T/vQvN6sqt8+Sh+y0b0A7zlmxNi2dzRnj0wcqGA==",
       "dev": true,
       "requires": {
-        "source-map": "0.5.7",
+        "cacache": "10.0.2",
-        "uglify-js": "2.8.29",
+        "find-cache-dir": "1.0.0",
-        "webpack-sources": "1.0.2"
+        "schema-utils": "0.4.3",
+        "serialize-javascript": "1.4.0",
+        "source-map": "0.6.1",
+        "uglify-es": "3.3.9",
+        "webpack-sources": "1.1.0",
+        "worker-farm": "1.5.2"
       },
       "dependencies": {
+        "schema-utils": {
+          "version": "0.4.3",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.3.tgz",
+          "integrity": "sha512-sgv/iF/T4/SewJkaVpldKC4WjSkz0JsOh2eKtxCPpCO1oR05+7MOF+H476HVRbLArkgA7j5TRJJ4p2jdFkUGQQ==",
+          "dev": true,
+          "requires": {
+            "ajv": "5.5.2",
+            "ajv-keywords": "2.1.1"
+          }
+        },
         "source-map": {
-          "version": "0.5.7",
+          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "webpack-sources": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
+          "integrity": "sha512-aqYp18kPphgoO5c/+NaUvEeACtZjMESmDChuD3NBciVpah3XpMEU9VAAtIaB1BsfJWWTSdv8Vv1m3T0aRk2dUw==",
+          "dev": true,
+          "requires": {
+            "source-list-map": "2.0.0",
+            "source-map": "0.6.1"
+          }
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       }
     },
@@ -12531,6 +12804,24 @@
       "integrity": "sha1-/+3ks2slKQaW5uFl1KWe25mOawI=",
       "dev": true
     },
+    "unique-filename": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-1.1.0.tgz",
+      "integrity": "sha1-0F8v5AMlYIcfMOk8vnNe6iAVFPM=",
+      "dev": true,
+      "requires": {
+        "unique-slug": "2.0.0"
+      }
+    },
+    "unique-slug": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unique-slug/-/unique-slug-2.0.0.tgz",
+      "integrity": "sha1-22Z258fMBimHj/GWCXx4hVrp9Ks=",
+      "dev": true,
+      "requires": {
+        "imurmurhash": "0.1.4"
+      }
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -13133,12 +13424,71 @@
             "has-flag": "2.0.0"
           }
         },
+        "uglify-js": {
+          "version": "2.8.29",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+          "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+          "dev": true,
+          "requires": {
+            "source-map": "0.5.7",
+            "uglify-to-browserify": "1.0.2",
+            "yargs": "3.10.0"
+          },
+          "dependencies": {
+            "camelcase": {
+              "version": "1.2.1",
+              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+              "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+              "dev": true
+            },
+            "cliui": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
+              "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
+              "dev": true,
+              "requires": {
+                "center-align": "0.1.3",
+                "right-align": "0.1.3",
+                "wordwrap": "0.0.2"
+              }
+            },
+            "yargs": {
+              "version": "3.10.0",
+              "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+              "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+              "dev": true,
+              "requires": {
+                "camelcase": "1.2.1",
+                "cliui": "2.1.0",
+                "decamelize": "1.2.0",
+                "window-size": "0.1.0"
+              }
+            }
+          }
+        },
+        "uglifyjs-webpack-plugin": {
+          "version": "0.4.6",
+          "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz",
+          "integrity": "sha1-uVH0q7a9YX5m9j64kUmOORdj4wk=",
+          "dev": true,
+          "requires": {
+            "source-map": "0.5.7",
+            "uglify-js": "2.8.29",
+            "webpack-sources": "1.0.2"
+          }
+        },
         "which-module": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
           "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
           "dev": true
         },
+        "wordwrap": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+          "dev": true
+        },
         "yargs": {
           "version": "8.0.2",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-8.0.2.tgz",
@@ -13458,6 +13808,16 @@
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
       "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
     },
+    "worker-farm": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.5.2.tgz",
+      "integrity": "sha512-XxiQ9kZN5n6mmnW+mFJ+wXjNNI/Nx4DIdaAKLX1Bn6LYBWlN/zaBhu34DQYPZ1AJobQuu67S2OfDdNSVULvXkQ==",
+      "dev": true,
+      "requires": {
+        "errno": "0.1.4",
+        "xtend": "4.0.1"
+      }
+    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -13548,6 +13908,12 @@
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
       "dev": true
     },
+    "yallist": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
+    },
     "yargs": {
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",

package.json

@@ -124,6 +124,7 @@
     "stylelint": "^7.13.0",
     "stylelint-config-standard": "^15.0.1",
     "transform-loader": "^0.2.4",
+    "uglifyjs-webpack-plugin": "^1.1.8",
     "wdio-mocha-framework": "^0.5.11",
     "wdio-phantomjs-service": "^0.2.2",
     "wdio-spec-reporter": "^0.1.2",