diff --git a/package.json b/package.json
index 765936ee..9053fd89 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "preact-render-spy": "^1.3.0",
     "preact-render-to-json": "^3.6.6",
     "prettier": "^1.16.4",
-    "webpack-dev-server": "^2.11.3"
+    "webpack-dev-server": "^3.1.11"
   },
   "dependencies": {
     "@rails/webpacker": "^3.5.5",
diff --git a/yarn.lock b/yarn.lock
index fd028ffe..3cd215b2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -738,6 +738,11 @@ address@1.0.3, address@^1.0.1:
     string.prototype.padstart "^3.0.0"
     symbol.prototype.description "^1.0.0"
 
+ajv-errors@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
+  integrity sha512-DCRfO/4nQ+89p/RK43i8Ezd41EqdGIU4ld7nGF8OQ14oc/we5rEntLCUa7+jrn3nn83BosfwZA0wb4pon2o8iQ==
+
 ajv-keywords@^3.1.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
@@ -782,6 +787,11 @@ amdefine@>=0.0.4:
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
   integrity sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=
 
+ansi-colors@^3.0.0:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-3.2.4.tgz#e3a3da4bfbae6c86a9c285625de124a234026fbf"
+  integrity sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==
+
 ansi-escapes@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.1.0.tgz#f73207bb81207d75fd6c83f125af26eea378ca30"
@@ -3494,7 +3504,7 @@ debug@=3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
+debug@^3.1.0, debug@^3.2.5:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -3513,6 +3523,13 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
+decamelize@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-2.0.0.tgz#656d7bbc8094c4c788ea53c5840908c9c7d063c7"
+  integrity sha512-Ikpp5scV3MSYxY39ymh45ZLEecsTdv/Xj2CaQfI8RLMuwi7XvjX9H/fhraiSuU+C5w5NTDu4ZU72xNiZnurBPg==
+  dependencies:
+    xregexp "4.0.0"
+
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -3543,6 +3560,14 @@ deep-object-diff@^1.1.0:
   resolved "https://registry.yarnpkg.com/deep-object-diff/-/deep-object-diff-1.1.0.tgz#d6fabf476c2ed1751fc94d5ca693d2ed8c18bc5a"
   integrity sha512-b+QLs5vHgS+IoSNcUE4n9HP2NwcHj7aqnJWsjPtuG75Rh5TOaGt0OjAYInh77d5T16V5cRDC+Pw/6ZZZiETBGw==
 
+default-gateway@^2.6.0:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/default-gateway/-/default-gateway-2.7.2.tgz#b7ef339e5e024b045467af403d50348db4642d0f"
+  integrity sha512-lAc4i9QJR0YHSDFdzeBQKfZ1SRDG3hsJNEkrpcZa8QhBfidLAilT60BDEIVUUGqosFp425KOgB3uYqcnQrWafQ==
+  dependencies:
+    execa "^0.10.0"
+    ip-regex "^2.1.0"
+
 default-require-extensions@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
@@ -3646,7 +3671,7 @@ detect-newline@^2.1.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
   integrity sha1-9B8cEL5LAOh7XxPaaAdZ8sW/0+I=
 
-detect-node@^2.0.3:
+detect-node@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.4.tgz#014ee8f8f669c5c58023da64b8179c083a28c46c"
   integrity sha512-ZIzRpLJrOj7jjP2miAtgqIfmzbxa4ZOr5jJc601zklsfEx9oTzmmj2nVpIPRpNlRTIh8lc1kyViIY7BWSGNmKw==
@@ -4321,6 +4346,13 @@ eventsource@0.1.6:
   dependencies:
     original ">=0.0.5"
 
+eventsource@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.0.7.tgz#8fbc72c93fcd34088090bc0a4e64f4b5cee6d8d0"
+  integrity sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==
+  dependencies:
+    original "^1.0.0"
+
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
@@ -4336,6 +4368,19 @@ exec-sh@^0.2.0:
   dependencies:
     merge "^1.2.0"
 
+execa@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.10.0.tgz#ff456a8f53f90f8eccc71a96d11bdfc7f082cb50"
+  integrity sha512-7XOMnz8Ynx1gGo/3hyV9loYNPWM94jG3+3T3Y8tsfSstFmETmENCMU/A/zj8Lyaj1lkgEepKepvd6240tBRvlw==
+  dependencies:
+    cross-spawn "^6.0.0"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
 execa@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
@@ -4596,6 +4641,13 @@ faye-websocket@~0.11.0:
   dependencies:
     websocket-driver ">=0.5.1"
 
+faye-websocket@~0.11.1:
+  version "0.11.3"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.3.tgz#5c0e9a8968e8912c286639fde977a8b209f2508e"
+  integrity sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==
+  dependencies:
+    websocket-driver ">=0.5.1"
+
 fb-watchman@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fb-watchman/-/fb-watchman-2.0.0.tgz#54e9abf7dfa2f26cd9b1636c588c1afc05de5d58"
@@ -5147,10 +5199,10 @@ gzip-size@3.0.0:
   dependencies:
     duplexer "^0.1.1"
 
-handle-thing@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
-  integrity sha1-/Xqtcmvxpf0W38KbL3pmAdJxOcQ=
+handle-thing@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
+  integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
 handlebars@^4.0.3:
   version "4.1.0"
@@ -5436,15 +5488,15 @@ http-parser-js@>=0.4.0:
   resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.5.0.tgz#d65edbede84349d0dc30320815a15d39cc3cbbd8"
   integrity sha512-cZdEF7r4gfRIq7ezX9J0T+kQmJNOub71dWbgAXVHDct80TKP4MCETtZQ31xyv38UwgzkWPYF/Xc0ge55dW9Z9w==
 
-http-proxy-middleware@~0.17.4:
-  version "0.17.4"
-  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz#642e8848851d66f09d4f124912846dbaeb41b833"
-  integrity sha1-ZC6ISIUdZvCdTxJJEoRtuutBuDM=
+http-proxy-middleware@~0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  integrity sha512-Fs25KVMPAIIcgjMZkVHJoKg9VcXcC1C8yb9JUgeDvVXY0S/zgVIhMb+qVswDIgtJe2DfckMSY2d6TuTEutlk6Q==
   dependencies:
     http-proxy "^1.16.2"
-    is-glob "^3.1.0"
-    lodash "^4.17.2"
-    micromatch "^2.3.11"
+    is-glob "^4.0.0"
+    lodash "^4.17.5"
+    micromatch "^3.1.9"
 
 http-proxy@^1.16.2:
   version "1.17.0"
@@ -5593,6 +5645,14 @@ import-local@^1.0.0:
     pkg-dir "^2.0.0"
     resolve-cwd "^2.0.0"
 
+import-local@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-2.0.0.tgz#55070be38a5993cf18ef6db7e961f5bee5c5a09d"
+  integrity sha512-b6s04m3O+s3CGSbqDIyP4R6aAwAeYlVq9+WUWep6iHa8ETRf9yei1U48C5MmfJmV9AiLYYBKPMq/W+/WRpQmCQ==
+  dependencies:
+    pkg-dir "^3.0.0"
+    resolve-cwd "^2.0.0"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -5703,12 +5763,13 @@ inquirer@^6.2.2:
     strip-ansi "^5.0.0"
     through "^2.3.6"
 
-internal-ip@1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
-  integrity sha1-rp+/k7mEh4eF1QqN4bNWlWBYz1w=
+internal-ip@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-3.0.1.tgz#df5c99876e1d2eb2ea2d74f520e3f669a00ece27"
+  integrity sha512-NXXgESC2nNVtU+pqmC9e6R8B1GpKxzsAQhffvh5AL79qKnodd+L7tnEQmTiUAVngqLalPbSqRA7XGIEL5nCd0Q==
   dependencies:
-    meow "^3.3.0"
+    default-gateway "^2.6.0"
+    ipaddr.js "^1.5.2"
 
 interpret@^1.0.0:
   version "1.2.0"
@@ -5732,6 +5793,16 @@ invert-kv@^1.0.0:
   resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
   integrity sha1-EEqOSqym09jNFXqO+L+rLXo//bY=
 
+invert-kv@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-2.0.0.tgz#7393f5afa59ec9ff5f67a27620d11c226e3eec02"
+  integrity sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==
+
+ip-regex@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
+  integrity sha1-+ni/XS5pE8kRzp+BnuUUa7bYROk=
+
 ip@^1.1.0, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
@@ -5742,6 +5813,11 @@ ipaddr.js@1.8.0:
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.8.0.tgz#eaa33d6ddd7ace8f7f6fe0c9ca0440e706738b1e"
   integrity sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
 
+ipaddr.js@^1.5.2:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
+  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
+
 is-absolute-url@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-2.1.0.tgz#50530dfb84fcc9aa7dbe7852e83a37b93b9f2aa6"
@@ -6809,6 +6885,13 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+lcid@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-2.0.0.tgz#6ef5d2df60e52f82eb228a4c373e8d1f397253cf"
+  integrity sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==
+  dependencies:
+    invert-kv "^2.0.0"
+
 left-pad@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
@@ -7092,7 +7175,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.2, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0, lodash@~4.17.10:
+"lodash@>=3.5 <5", lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0, lodash@~4.17.10:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
@@ -7185,6 +7268,13 @@ makeerror@1.0.x:
   dependencies:
     tmpl "1.0.x"
 
+map-age-cleaner@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz#7d583a7306434c055fe474b0f45078e6e1b4b92a"
+  integrity sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==
+  dependencies:
+    p-defer "^1.0.0"
+
 map-cache@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
@@ -7263,6 +7353,15 @@ mem@^1.1.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+mem@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-4.3.0.tgz#461af497bc4ae09608cdb2e60eefb69bff744178"
+  integrity sha512-qX2bG48pTqYRVmDB37rn/6PT7LcR8T7oAX3bf99u1Tt1nzxYfxkgqDwUwolPlXweM0XzBOBFzSx4kfp7KP1s/w==
+  dependencies:
+    map-age-cleaner "^0.1.1"
+    mimic-fn "^2.0.0"
+    p-is-promise "^2.0.0"
+
 memoizerific@^1.11.3:
   version "1.11.3"
   resolved "https://registry.yarnpkg.com/memoizerific/-/memoizerific-1.11.3.tgz#7c87a4646444c32d75438570905f2dbd1b1a805a"
@@ -7278,7 +7377,7 @@ memory-fs@^0.4.0, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-meow@^3.3.0, meow@^3.7.0:
+meow@^3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
   integrity sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=
@@ -7335,7 +7434,7 @@ micromatch@^2.3.11:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8:
+micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8, micromatch@^3.1.9:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
@@ -7384,11 +7483,21 @@ mime@^1.4.1, mime@^1.5.0:
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
   integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
 
+mime@^2.3.1:
+  version "2.4.4"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
+  integrity sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==
+
 mimic-fn@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
   integrity sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==
 
+mimic-fn@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
+  integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
+
 min-document@^2.19.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/min-document/-/min-document-2.19.0.tgz#7bd282e3f5842ed295bb748cdd9f1ffa2c824685"
@@ -7944,7 +8053,7 @@ object.values@^1.0.4:
     function-bind "^1.1.1"
     has "^1.0.3"
 
-obuf@^1.0.0, obuf@^1.1.1:
+obuf@^1.0.0, obuf@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
   integrity sha512-PX1wu0AmAdPqOL1mWhqmlOd8kOIZQwGZw6rh7uby9fTc5lhaOWFLX3I6R1hrF9k3zUY40e6igsLGkDXK92LJNg==
@@ -8022,7 +8131,7 @@ optionator@^0.8.1, optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-original@>=0.0.5:
+original@>=0.0.5, original@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"
   integrity sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==
@@ -8055,6 +8164,15 @@ os-locale@^2.0.0:
     lcid "^1.0.0"
     mem "^1.1.0"
 
+os-locale@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-3.1.0.tgz#a802a6ee17f24c10483ab9935719cef4ed16bf1a"
+  integrity sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==
+  dependencies:
+    execa "^1.0.0"
+    lcid "^2.0.0"
+    mem "^4.0.0"
+
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -8068,11 +8186,21 @@ osenv@0, osenv@^0.1.4:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
+p-defer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
+  integrity sha1-n26xgvbJqozXQwBKfU+WsZaw+ww=
+
 p-finally@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
   integrity sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=
 
+p-is-promise@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/p-is-promise/-/p-is-promise-2.1.0.tgz#918cebaea248a62cf7ffab8e3bca8c5f882fc42e"
+  integrity sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg==
+
 p-limit@^1.1.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.3.0.tgz#b86bd5f0c25690911c7590fcbfc2010d54b3ccb8"
@@ -9640,7 +9768,7 @@ read-pkg@^4.0.1:
     parse-json "^4.0.0"
     pify "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -9663,6 +9791,15 @@ readable-stream@1.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@^3.0.6:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.4.0.tgz#a51c26754658e0a3c21dbf59163bd45ba6f447fc"
+  integrity sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readdirp@^2.0.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -10119,6 +10256,11 @@ safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@~5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+  integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -10211,6 +10353,15 @@ schema-utils@^0.4.0, schema-utils@^0.4.5:
     ajv "^6.1.0"
     ajv-keywords "^3.1.0"
 
+schema-utils@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
+  integrity sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==
+  dependencies:
+    ajv "^6.1.0"
+    ajv-errors "^1.0.0"
+    ajv-keywords "^3.1.0"
+
 scss-tokenizer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
@@ -10504,6 +10655,18 @@ sockjs-client@1.1.5:
     json3 "^3.3.2"
     url-parse "^1.1.8"
 
+sockjs-client@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.3.0.tgz#12fc9d6cb663da5739d3dc5fb6e8687da95cb177"
+  integrity sha512-R9jxEzhnnrdxLCNln0xg5uGHqMnkhPSTzUZH2eXcR03S/On9Yvoq2wyUZILRUhZCNVu2PmwWVoyuiPz8th8zbg==
+  dependencies:
+    debug "^3.2.5"
+    eventsource "^1.0.7"
+    faye-websocket "~0.11.1"
+    inherits "^2.0.3"
+    json3 "^3.3.2"
+    url-parse "^1.4.3"
+
 sockjs@0.3.19:
   version "0.3.19"
   resolved "https://registry.yarnpkg.com/sockjs/-/sockjs-0.3.19.tgz#d976bbe800af7bd20ae08598d582393508993c0d"
@@ -10605,30 +10768,28 @@ spdx-license-ids@^3.0.0:
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.3.tgz#81c0ce8f21474756148bbb5f3bfc0f36bf15d76e"
   integrity sha512-uBIcIl3Ih6Phe3XHK1NqboJLdGfwr1UN3k6wSD1dZpmPsIkb8AGNbZYJ1fOBk834+Gxy8rpfDxrS6XLEMZMY2g==
 
-spdy-transport@^2.0.18:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-2.1.1.tgz#c54815d73858aadd06ce63001e7d25fa6441623b"
-  integrity sha512-q7D8c148escoB3Z7ySCASadkegMmUZW8Wb/Q1u0/XBgDKMO880rLQDj8Twiew/tYi7ghemKUi/whSYOwE17f5Q==
+spdy-transport@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-3.0.0.tgz#00d4863a6400ad75df93361a1608605e5dcdcf31"
+  integrity sha512-hsLVFE5SjA6TCisWeJXFKniGGOpBgMLmerfO2aCyCU5s7nJ/rpAepqmFifv/GCbSbueEeAJJnmSQ2rKC/g8Fcw==
   dependencies:
-    debug "^2.6.8"
-    detect-node "^2.0.3"
+    debug "^4.1.0"
+    detect-node "^2.0.4"
     hpack.js "^2.1.6"
-    obuf "^1.1.1"
-    readable-stream "^2.2.9"
-    safe-buffer "^5.0.1"
-    wbuf "^1.7.2"
+    obuf "^1.1.2"
+    readable-stream "^3.0.6"
+    wbuf "^1.7.3"
 
-spdy@^3.4.1:
-  version "3.4.7"
-  resolved "https://registry.yarnpkg.com/spdy/-/spdy-3.4.7.tgz#42ff41ece5cc0f99a3a6c28aabb73f5c3b03acbc"
-  integrity sha1-Qv9B7OXMD5mjpsKKq7c/XDsDrLw=
+spdy@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.1.tgz#6f12ed1c5db7ea4f24ebb8b89ba58c87c08257f2"
+  integrity sha512-HeZS3PBdMA+sZSu0qwpCxl3DeALD5ASx8pAX0jZdKXSpPWbQ6SYGnlg3BBmYLx5LtiZrmkAZfErCm2oECBcioA==
   dependencies:
-    debug "^2.6.8"
-    handle-thing "^1.2.5"
+    debug "^4.1.0"
+    handle-thing "^2.0.0"
     http-deceiver "^1.2.7"
-    safe-buffer "^5.0.1"
     select-hose "^2.0.0"
-    spdy-transport "^2.0.18"
+    spdy-transport "^3.0.0"
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -10821,6 +10982,13 @@ string_decoder@^1.0.0:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
+
 string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
@@ -11412,7 +11580,7 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
-util-deprecate@^1.0.2, util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@^1.0.2, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
@@ -11562,7 +11730,7 @@ watchpack@^1.4.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
-wbuf@^1.1.0, wbuf@^1.7.2:
+wbuf@^1.1.0, wbuf@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.3.tgz#c1d8d149316d3ea852848895cb6a0bfe887b87df"
   integrity sha512-O84QOnr0icsbFGLS0O3bI5FswxzRr8/gHwWkDlQFskhSPryQXvrTMxjxGP4+iWYoauLoBvfDpkrOauZ+0iZpDA==
@@ -11579,7 +11747,17 @@ webidl-conversions@^4.0.2:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
   integrity sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==
 
-webpack-dev-middleware@1.12.2, webpack-dev-middleware@^1.12.2:
+webpack-dev-middleware@3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.4.0.tgz#1132fecc9026fd90f0ecedac5cbff75d1fb45890"
+  integrity sha512-Q9Iyc0X9dP9bAsYskAVJ/hmIZZQwf/3Sy4xCAZgL5cUkjZmUZLt4l5HpbST/Pdgjn3u6pE7u5OdGd1apgzRujA==
+  dependencies:
+    memory-fs "~0.4.1"
+    mime "^2.3.1"
+    range-parser "^1.0.3"
+    webpack-log "^2.0.0"
+
+webpack-dev-middleware@^1.12.2:
   version "1.12.2"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"
   integrity sha512-FCrqPy1yy/sN6U/SaEZcHKRXGlqU0DUaEBL45jkUYoB8foVb6wCnbIJ1HKIx+qUFTW+3JpVcCJCxZ8VATL4e+A==
@@ -11590,13 +11768,12 @@ webpack-dev-middleware@1.12.2, webpack-dev-middleware@^1.12.2:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@^2.11.3:
-  version "2.11.3"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.11.3.tgz#3fd48a402164a6569d94d3d17f131432631b4873"
-  integrity sha512-Qz22YEFhWx+M2vvJ+rQppRv39JA0h5NNbOOdODApdX6iZ52Diz7vTPXjF7kJlfn+Uc24Qr48I3SZ9yncQwRycg==
+webpack-dev-server@^3.1.11:
+  version "3.1.11"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.11.tgz#3b698b5b32476f1f0d3d4014952fcf42ab118205"
+  integrity sha512-E/uGbO9ndXrXgNUzw+O2UrrvYY/eIw10fpJnbvJf8VOH/NWZuY3nUG7arbgB/kbkORlF/sPHxnv10tKFtKf3aA==
   dependencies:
     ansi-html "0.0.7"
-    array-includes "^3.0.3"
     bonjour "^3.5.0"
     chokidar "^2.0.0"
     compression "^1.5.2"
@@ -11605,23 +11782,27 @@ webpack-dev-server@^2.11.3:
     del "^3.0.0"
     express "^4.16.2"
     html-entities "^1.2.0"
-    http-proxy-middleware "~0.17.4"
-    import-local "^1.0.0"
-    internal-ip "1.2.0"
+    http-proxy-middleware "~0.18.0"
+    import-local "^2.0.0"
+    internal-ip "^3.0.1"
     ip "^1.1.5"
     killable "^1.0.0"
     loglevel "^1.4.1"
     opn "^5.1.0"
     portfinder "^1.0.9"
+    schema-utils "^1.0.0"
     selfsigned "^1.9.1"
+    semver "^5.6.0"
     serve-index "^1.7.2"
     sockjs "0.3.19"
-    sockjs-client "1.1.5"
-    spdy "^3.4.1"
+    sockjs-client "1.3.0"
+    spdy "^4.0.0"
     strip-ansi "^3.0.0"
     supports-color "^5.1.0"
-    webpack-dev-middleware "1.12.2"
-    yargs "6.6.0"
+    url "^0.11.0"
+    webpack-dev-middleware "3.4.0"
+    webpack-log "^2.0.0"
+    yargs "12.0.2"
 
 webpack-hot-middleware@^2.22.1:
   version "2.24.3"
@@ -11633,6 +11814,14 @@ webpack-hot-middleware@^2.22.1:
     querystring "^0.2.0"
     strip-ansi "^3.0.0"
 
+webpack-log@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/webpack-log/-/webpack-log-2.0.0.tgz#5b7928e0637593f119d32f6227c1e0ac31e1b47f"
+  integrity sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==
+  dependencies:
+    ansi-colors "^3.0.0"
+    uuid "^3.3.2"
+
 webpack-manifest-plugin@^1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/webpack-manifest-plugin/-/webpack-manifest-plugin-1.3.2.tgz#5ea8ee5756359ddc1d98814324fe43496349a7d4"
@@ -11861,6 +12050,11 @@ xmlhttprequest@^1.8.0:
   resolved "https://registry.yarnpkg.com/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz#67fe075c5c24fef39f9d65f5f7b7fe75171968fc"
   integrity sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=
 
+xregexp@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-4.0.0.tgz#e698189de49dd2a18cc5687b05e17c8e43943020"
+  integrity sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==
+
 xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
@@ -11871,7 +12065,7 @@ y18n@^3.2.1:
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
   integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
 
-y18n@^4.0.0:
+"y18n@^3.2.1 || ^4.0.0", y18n@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
   integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
@@ -11886,12 +12080,12 @@ yallist@^3.0.0, yallist@^3.0.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
-yargs-parser@^4.2.0:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
-  integrity sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=
+yargs-parser@^10.1.0:
+  version "10.1.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-10.1.0.tgz#7202265b89f7e9e9f2e5765e0fe735a905edbaa8"
+  integrity sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==
   dependencies:
-    camelcase "^3.0.0"
+    camelcase "^4.1.0"
 
 yargs-parser@^5.0.0:
   version "5.0.0"
@@ -11914,24 +12108,23 @@ yargs-parser@^9.0.2:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@6.6.0:
-  version "6.6.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
-  integrity sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=
+yargs@12.0.2:
+  version "12.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-12.0.2.tgz#fe58234369392af33ecbef53819171eff0f5aadc"
+  integrity sha512-e7SkEx6N6SIZ5c5H22RTZae61qtn3PYUE8JYbBFlK9sYmh3DMQ6E5ygtaG/2BW0JZi4WGgTR2IV5ChqlqrDGVQ==
   dependencies:
-    camelcase "^3.0.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
+    cliui "^4.0.0"
+    decamelize "^2.0.0"
+    find-up "^3.0.0"
     get-caller-file "^1.0.1"
-    os-locale "^1.4.0"
-    read-pkg-up "^1.0.1"
+    os-locale "^3.0.0"
     require-directory "^2.1.1"
     require-main-filename "^1.0.1"
     set-blocking "^2.0.0"
-    string-width "^1.0.2"
-    which-module "^1.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^4.2.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1 || ^4.0.0"
+    yargs-parser "^10.1.0"
 
 yargs@^11.0.0:
   version "11.1.0"