diff --git a/package.json b/package.json
index 50a22c77..3ae53b09 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "build": "NODE_ENV=production webpack",
     "build:watch": "NODE_ENV=production webpack --watch",
     "start": "node example.js",
-    "start:dev": "yarn build:watch && yarn start",
+    "start:dev": "concurrently \"yarn build:watch\" \"yarn start\"",
     "start:example": "yarn build && yarn start"
   },
   "dependencies": {
@@ -37,10 +37,11 @@
     "ramda": "^0.26.1",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
-    "react-json-syntax-highlighter": "^0.2.0"
+    "react-highlight": "^0.12.0"
   },
   "devDependencies": {
     "babel-preset-react-app": "^7.0.2",
+    "concurrently": "^4.1.2",
     "css-loader": "^2.1.1",
     "dockest": "^1.0.3",
     "eslint": "^6.2.1",
diff --git a/ui/components/Queue.js b/ui/components/Queue.js
index 285f5b1b..25e165a7 100644
--- a/ui/components/Queue.js
+++ b/ui/components/Queue.js
@@ -1,7 +1,7 @@
 import React from 'react'
 import { getYear, format, isToday, formatDistance } from 'date-fns'
-import JsonHighlight from 'react-json-syntax-highlighter'
 import { type } from 'ramda'
+import Highlight from 'react-highlight/lib/optimized'
 
 const today = new Date()
 
@@ -160,7 +160,11 @@ const fieldComponents = {
   progress: ({ job }) => {
     switch (type(job.progress)) {
       case 'Object':
-        return <JsonHighlight obj={job.progress} />
+        return (
+          <Highlight className="json">
+            {JSON.stringify(job.progress, null, 2)}
+          </Highlight>
+        )
       case 'Number':
         return (
           <div className="progress-wrapper">
@@ -186,15 +190,23 @@ const fieldComponents = {
     return (
       <>
         {job.failedReason || 'NA'}
-        <pre>{job.stacktrace}</pre>
+        <Highlight className="javascript">{job.stacktrace}</Highlight>
       </>
     )
   },
   data: ({ job }) => {
-    return <JsonHighlight obj={job.data} />
+    return (
+      <Highlight className="json">
+        {JSON.stringify(job.data, null, 2)}
+      </Highlight>
+    )
   },
   opts: ({ job }) => {
-    return <JsonHighlight obj={job.opts} />
+    return (
+      <Highlight className="json">
+        {JSON.stringify(job.opts, null, 2)}
+      </Highlight>
+    )
   },
   retry: ({ job, retryJob }) => {
     return <button onClick={retryJob}>Retry</button>
diff --git a/ui/index.css b/ui/index.css
index cc78d6a3..915e6f34 100644
--- a/ui/index.css
+++ b/ui/index.css
@@ -210,42 +210,6 @@ button:active {
   top: 1px;
 }
 
-/* Higlight */
-
-pre {
-  font-family: 'monospace';
-  line-height: 1.5em;
-  font-size: 0.7em;
-  border: 1px solid #fafafa;
-  background: #fdfdfd;
-  padding: 8px;
-  color: #c3d1d1;
-  max-height: 176px;
-  max-width: 1000px;
-  overflow: auto;
-  border-radius: 8px;
-}
-
-pre span.key {
-  color: #839496;
-}
-
-pre span.string {
-  color: #d33682;
-}
-
-pre span.number {
-  color: #268bd2;
-}
-
-pre span.null {
-  color: #002b36;
-}
-
-pre span.boolean {
-  color: #6c71c4;
-}
-
 /* Progress bar */
 
 .progress-wrapper {
diff --git a/ui/index.js b/ui/index.js
index 58b863e4..144fb47b 100644
--- a/ui/index.js
+++ b/ui/index.js
@@ -1,6 +1,7 @@
 import React from 'react'
 import { render } from 'react-dom'
 import './index.css'
+import './xcode.css'
 import App from './components/App'
 
 render(<App basePath={window.basePath} />, document.getElementById('root'))
diff --git a/ui/xcode.css b/ui/xcode.css
new file mode 100644
index 00000000..cbe5fd75
--- /dev/null
+++ b/ui/xcode.css
@@ -0,0 +1,103 @@
+/*
+
+XCode style (c) Angel Garcia <angelgarcia.mail@gmail.com>
+
+*/
+
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #fff;
+  color: black;
+}
+
+/* Gray DOCTYPE selectors like WebKit */
+.xml .hljs-meta {
+  color: #c0c0c0;
+}
+
+.hljs-comment,
+.hljs-quote {
+  color: #007400;
+}
+
+.hljs-tag,
+.hljs-attribute,
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-literal,
+.hljs-name {
+  color: #aa0d91;
+}
+
+.hljs-variable,
+.hljs-template-variable {
+  color: #3f6e74;
+}
+
+.hljs-code,
+.hljs-string,
+.hljs-meta-string {
+  color: #c41a16;
+}
+
+.hljs-regexp,
+.hljs-link {
+  color: #0e0eff;
+}
+
+.hljs-title,
+.hljs-symbol,
+.hljs-bullet,
+.hljs-number {
+  color: #1c00cf;
+}
+
+.hljs-section,
+.hljs-meta {
+  color: #643820;
+}
+
+.hljs-class .hljs-title,
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-params {
+  color: #5c2699;
+}
+
+.hljs-attr {
+  color: #836c28;
+}
+
+.hljs-subst {
+  color: #000;
+}
+
+.hljs-formula {
+  background-color: #eee;
+  font-style: italic;
+}
+
+.hljs-addition {
+  background-color: #baeeba;
+}
+
+.hljs-deletion {
+  background-color: #ffc8bd;
+}
+
+.hljs-selector-id,
+.hljs-selector-class {
+  color: #9b703f;
+}
+
+.hljs-doctag,
+.hljs-strong {
+  font-weight: bold;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
diff --git a/webpack.config.js b/webpack.config.js
index d825d980..03737e2c 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,4 +1,5 @@
 const path = require('path')
+const webpack = require('webpack')
 
 module.exports = {
   mode: 'production',
@@ -19,4 +20,10 @@ module.exports = {
       { test: /\.css$/, use: ['style-loader', 'css-loader'] },
     ],
   },
+  plugins: [
+    new webpack.ContextReplacementPlugin(
+      /highlight.js\/lib\/languages$/,
+      /^.\/(json|javascript)$/,
+    ),
+  ],
 }
diff --git a/yarn.lock b/yarn.lock
index b665d0fd..46a25ee6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1474,11 +1474,6 @@ arrify@^1.0.1:
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
   integrity sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=
 
-asap@~2.0.3:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
-  integrity sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=
-
 asn1.js@^4.0.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
@@ -2070,6 +2065,15 @@ cli-width@^2.0.0:
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
   integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
 
+cliui@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
+  integrity sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==
+  dependencies:
+    string-width "^2.1.1"
+    strip-ansi "^4.0.0"
+    wrap-ansi "^2.0.0"
+
 cliui@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
@@ -2151,6 +2155,21 @@ concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concurrently@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-4.1.2.tgz#1a683b2b5c41e9ed324c9002b9f6e4c6e1f3b6d7"
+  integrity sha512-Kim9SFrNr2jd8/0yNYqDTFALzUX1tvimmwFWxmp/D4mRI+kbqIIwE2RkBDrxS2ic25O1UgQMI5AtBqdtX3ynYg==
+  dependencies:
+    chalk "^2.4.2"
+    date-fns "^1.30.1"
+    lodash "^4.17.15"
+    read-pkg "^4.0.1"
+    rxjs "^6.5.2"
+    spawn-command "^0.0.2-1"
+    supports-color "^4.5.0"
+    tree-kill "^1.2.1"
+    yargs "^12.0.5"
+
 console-browserify@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
@@ -2214,11 +2233,6 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
-core-js@^1.0.0:
-  version "1.2.7"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
-  integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
-
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -2356,6 +2370,11 @@ data-urls@^1.0.0:
     whatwg-mimetype "^2.2.0"
     whatwg-url "^7.0.0"
 
+date-fns@^1.30.1:
+  version "1.30.1"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-1.30.1.tgz#2e71bf0b119153dbb4cc4e88d9ea5acfb50dc05c"
+  integrity sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw==
+
 date-fns@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.0.1.tgz#c5f30e31d3294918e6b6a82753a4e719120e203d"
@@ -2612,13 +2631,6 @@ encodeurl@~1.0.2:
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
   integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
 
-encoding@^0.1.11:
-  version "0.1.12"
-  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
-  integrity sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=
-  dependencies:
-    iconv-lite "~0.4.13"
-
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
@@ -3059,19 +3071,6 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-fbjs@^0.8.16:
-  version "0.8.17"
-  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.17.tgz#c4d598ead6949112653d6588b01a5cdcd9f90fdd"
-  integrity sha1-xNWY6taUkRJlPWWIsBpc3Nn5D90=
-  dependencies:
-    core-js "^1.0.0"
-    isomorphic-fetch "^2.1.1"
-    loose-envify "^1.0.0"
-    object-assign "^4.1.0"
-    promise "^7.1.1"
-    setimmediate "^1.0.5"
-    ua-parser-js "^0.7.18"
-
 figgy-pudding@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.1.tgz#862470112901c727a0e495a80744bd5baa1d6790"
@@ -3294,6 +3293,11 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+get-caller-file@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
+  integrity sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==
+
 get-caller-file@^2.0.1:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
@@ -3465,6 +3469,11 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+  integrity sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=
+
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -3534,6 +3543,11 @@ hash.js@^1.0.0, hash.js@^1.0.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
 
+highlight.js@^9.11.0:
+  version "9.15.10"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.15.10.tgz#7b18ed75c90348c045eef9ed08ca1319a2219ad2"
+  integrity sha512-RoV7OkQm0T3os3Dd2VHLNMoaoDVx77Wygln3n9l5YV172XonWG6rgQD3XnF/BuFFZw9A0TJgmMSO8FEWQgvcXw==
+
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -3603,7 +3617,7 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
-iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
+iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
@@ -3967,7 +3981,7 @@ is-root@2.0.0:
   resolved "https://registry.yarnpkg.com/is-root/-/is-root-2.0.0.tgz#838d1e82318144e5a6f77819d90207645acc7019"
   integrity sha512-F/pJIk8QD6OX5DNhRB7hWamLsUilmkDGho48KbgZ6xg/lmAZXHxzXQ91jzB3yRSw5kdQGGGc4yz8HYhTYIMWPg==
 
-is-stream@^1.0.1, is-stream@^1.1.0:
+is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
@@ -4021,14 +4035,6 @@ isobject@^3.0.0, isobject@^3.0.1:
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
   integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
 
-isomorphic-fetch@^2.1.1:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
-  integrity sha1-YRrhrPFPXoH3KVB0coGf6XM1WKk=
-  dependencies:
-    node-fetch "^1.0.1"
-    whatwg-fetch ">=0.10.0"
-
 isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -4678,7 +4684,7 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-"lodash@>=3.5 <5", lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14:
+"lodash@>=3.5 <5", lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -5014,14 +5020,6 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
-node-fetch@^1.0.1:
-  version "1.7.3"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
-  integrity sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==
-  dependencies:
-    encoding "^0.1.11"
-    is-stream "^1.0.1"
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -5300,7 +5298,7 @@ os-homedir@^1.0.0:
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
   integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
 
-os-locale@^3.1.0:
+os-locale@^3.0.0, os-locale@^3.1.0:
   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==
@@ -5685,13 +5683,6 @@ promise.prototype.finally@^3.1.0:
     es-abstract "^1.9.0"
     function-bind "^1.1.1"
 
-promise@^7.1.1:
-  version "7.3.1"
-  resolved "https://registry.yarnpkg.com/promise/-/promise-7.3.1.tgz#064b72602b18f90f29192b8b1bc418ffd1ebd3bf"
-  integrity sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==
-  dependencies:
-    asap "~2.0.3"
-
 prompts@^2.0.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.2.1.tgz#f901dd2a2dfee080359c0e20059b24188d75ad35"
@@ -5700,7 +5691,7 @@ prompts@^2.0.1:
     kleur "^3.0.3"
     sisteransi "^1.0.3"
 
-prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2:
+prop-types@^15.6.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
@@ -5880,16 +5871,6 @@ react-dev-utils@^8.0.0:
     strip-ansi "5.0.0"
     text-table "0.2.0"
 
-react-dom@16.4.0:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.4.0.tgz#099f067dd5827ce36a29eaf9a6cdc7cbf6216b1e"
-  integrity sha512-bbLd+HYpBEnYoNyxDe9XpSG2t9wypMohwQPvKw8Hov3nF7SJiJIgK56b46zHpBUpHb06a1iEuw7G3rbrsnNL6w==
-  dependencies:
-    fbjs "^0.8.16"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.0"
-
 react-dom@^16.8.6:
   version "16.9.0"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.9.0.tgz#5e65527a5e26f22ae3701131bcccaee9fb0d3962"
@@ -5905,30 +5886,18 @@ react-error-overlay@^5.1.4:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-5.1.6.tgz#0cd73407c5d141f9638ae1e0c63e7b2bf7e9929d"
   integrity sha512-X1Y+0jR47ImDVr54Ab6V9eGk0Hnu7fVWGeHQSOXHf/C2pF9c6uy3gef8QUeuUiWlNb0i08InPSE5a/KJzNzw1Q==
 
+react-highlight@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/react-highlight/-/react-highlight-0.12.0.tgz#34de986a0bfdf228904d0c269b69538d95b35802"
+  integrity sha512-j04EWbYOFM0PryhF5Vvl0FDa/dD3M6q0Sl+nFN9kTvWQ9hFkfISNNs85+ssL4TSkDM+4pQTpMdxlDRi8yfIxjw==
+  dependencies:
+    highlight.js "^9.11.0"
+
 react-is@^16.8.1, react-is@^16.8.4:
   version "16.9.0"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
   integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
 
-react-json-syntax-highlighter@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/react-json-syntax-highlighter/-/react-json-syntax-highlighter-0.2.0.tgz#551b4e0141658d11b17701b633d17b41bb4542fc"
-  integrity sha512-aH2bhPFZ/fW26U+sW1Un6mTMOPjhtjoka/GL0CYuPCjS/dHxByUE+TLyoO/Dz0g8PjppeAZw07WMEBw/lxO6zA==
-  dependencies:
-    prop-types "^15.6.1"
-    react "16.4.0"
-    react-dom "16.4.0"
-
-react@16.4.0:
-  version "16.4.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.4.0.tgz#402c2db83335336fba1962c08b98c6272617d585"
-  integrity sha512-K0UrkLXSAekf5nJu89obKUM7o2vc6MMN9LYoKnCa+c+8MJRAT120xzPLENcWSRc7GYKIg0LlgJRDorrufdglQQ==
-  dependencies:
-    fbjs "^0.8.16"
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.0"
-
 react@^16.8.6:
   version "16.9.0"
   resolved "https://registry.yarnpkg.com/react/-/react-16.9.0.tgz#40ba2f9af13bc1a38d75dbf2f4359a5185c4f7aa"
@@ -5955,6 +5924,15 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
+read-pkg@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-4.0.1.tgz#963625378f3e1c4d48c85872b5a6ec7d5d093237"
+  integrity sha1-ljYlN48+HE1IyFhytabsfV0JMjc=
+  dependencies:
+    normalize-package-data "^2.3.2"
+    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@^2.0.6, 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"
@@ -6136,6 +6114,11 @@ require-directory@^2.1.1:
   resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
   integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
 
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+  integrity sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=
+
 require-main-filename@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
@@ -6242,7 +6225,7 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rxjs@^6.1.0, rxjs@^6.4.0:
+rxjs@^6.1.0, rxjs@^6.4.0, rxjs@^6.5.2:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.2.tgz#2e35ce815cd46d84d02a209fb4e5921e051dbec7"
   integrity sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==
@@ -6367,7 +6350,7 @@ set-value@^2.0.0, set-value@^2.0.1:
     is-plain-object "^2.0.3"
     split-string "^3.0.1"
 
-setimmediate@^1.0.4, setimmediate@^1.0.5:
+setimmediate@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
   integrity sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=
@@ -6522,6 +6505,11 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+spawn-command@^0.0.2-1:
+  version "0.0.2-1"
+  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2-1.tgz#62f5e9466981c1b796dc5929937e11c9c6921bd0"
+  integrity sha1-YvXpRmmBwbeW3Fkpk34RycaSG9A=
+
 spdx-correct@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
@@ -6659,7 +6647,7 @@ string-width@^1.0.1:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-"string-width@^1.0.2 || 2", string-width@^2.1.0:
+"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
@@ -6763,6 +6751,13 @@ supports-color@^2.0.0:
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
   integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
+supports-color@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
+  integrity sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=
+  dependencies:
+    has-flag "^2.0.0"
+
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -6942,6 +6937,11 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
+tree-kill@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.1.tgz#5398f374e2f292b9dcc7b2e71e30a5c3bb6c743a"
+  integrity sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==
+
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
@@ -6989,11 +6989,6 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-ua-parser-js@^0.7.18:
-  version "0.7.20"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
-  integrity sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw==
-
 uglify-js@^3.1.4:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.0.tgz#704681345c53a8b2079fb6cec294b05ead242ff5"
@@ -7296,11 +7291,6 @@ whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
   dependencies:
     iconv-lite "0.4.24"
 
-whatwg-fetch@>=0.10.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"
-  integrity sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==
-
 whatwg-mimetype@^2.1.0, whatwg-mimetype@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
@@ -7360,6 +7350,14 @@ worker-farm@^1.7.0:
   dependencies:
     errno "~0.1.7"
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrap-ansi@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
@@ -7407,7 +7405,7 @@ xtend@^4.0.0, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
-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==
@@ -7417,6 +7415,14 @@ yallist@^3.0.0, yallist@^3.0.2, yallist@^3.0.3:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.3.tgz#b4b049e314be545e3ce802236d6cd22cd91c3de9"
   integrity sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==
 
+yargs-parser@^11.1.1:
+  version "11.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-11.1.1.tgz#879a0865973bca9f6bab5cbdf3b1c67ec7d3bcf4"
+  integrity sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
 yargs-parser@^13.1.0, yargs-parser@^13.1.1:
   version "13.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"
@@ -7442,6 +7448,24 @@ yargs@13.2.4:
     y18n "^4.0.0"
     yargs-parser "^13.1.0"
 
+yargs@^12.0.5:
+  version "12.0.5"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-12.0.5.tgz#05f5997b609647b64f66b81e3b4b10a368e7ad13"
+  integrity sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==
+  dependencies:
+    cliui "^4.0.0"
+    decamelize "^1.2.0"
+    find-up "^3.0.0"
+    get-caller-file "^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 "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1 || ^4.0.0"
+    yargs-parser "^11.1.1"
+
 yargs@^13.3.0:
   version "13.3.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"