diff --git a/.travis.yml b/.travis.yml
index de416ea7253ce3777b6270482b60b7279625ce76..6c7b3a5454d4b89d8d9cffb344dda2884ff1690b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,11 +12,12 @@ os:
 
 matrix:
   include:
-  - node_js: 8
+  - node_js: "8"
     os: linux
-  - node_js: 11
+  - node_js: "11"
+    os: linux
+  - node_js: "12"
     os: linux
-
 cache:
   yarn: true
 
diff --git a/package.json b/package.json
index e7fed38a1dbdeac7d621b51836635b3f708679ab..d335205179b87a0ee34127a6c49b55ddf7b0819e 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^10.0.1",
-    "browser-sync": "^2.26.3",
+    "browser-sync": "^2.26.5",
     "del": "^4.1.0",
     "eslint": "^5.16.0",
     "eslint-config-airbnb-es5": "^1.2.0",
diff --git a/yarn.lock b/yarn.lock
index e6c8ded3068ce93692349456899a1a708b91ffe2..da44ea818a406a44312ea6d676f8c7e475b40f42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9,12 +9,12 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/generator@^7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.0.tgz#c230e79589ae7a729fd4631b9ded4dc220418196"
-  integrity sha512-/v5I+a1jhGSKLgZDcmAUZ4K/VePi43eRkUs3yePW1HB1iANOD5tqJXwGSG4BZhSksP8J9ejSlwGeTiiOFZOrXQ==
+"@babel/generator@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.4.4.tgz#174a215eb843fc392c7edcaabeaa873de6e8f041"
+  integrity sha512-53UOLK6TVNqKxf7RUh8NE851EHRxOOeVXKbK2bivdb+iziMyk03Sr4eaE9OELCbyZAAafAKPDwF2TPUES5QbxQ==
   dependencies:
-    "@babel/types" "^7.4.0"
+    "@babel/types" "^7.4.4"
     jsesc "^2.5.1"
     lodash "^4.17.11"
     source-map "^0.5.0"
@@ -36,12 +36,12 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
-"@babel/helper-split-export-declaration@^7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.0.tgz#571bfd52701f492920d63b7f735030e9a3e10b55"
-  integrity sha512-7Cuc6JZiYShaZnybDmfwhY4UYHzI6rlqhWjaIqbsJGsIqPimEYy5uh3akSRLMg65LSdSEnJ8a8/bWQN6u2oMGw==
+"@babel/helper-split-export-declaration@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz#ff94894a340be78f53f06af038b205c49d993677"
+  integrity sha512-Ro/XkzLf3JFITkW6b+hNxzZ1n5OQ80NvIUdmHspih1XAhtN3vPTuUFT4eQnela+2MaZ5ulH+iyP513KJrxbN7Q==
   dependencies:
-    "@babel/types" "^7.4.0"
+    "@babel/types" "^7.4.4"
 
 "@babel/highlight@^7.0.0":
   version "7.0.0"
@@ -52,39 +52,39 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.0.0", "@babel/parser@^7.4.0", "@babel/parser@^7.4.3":
-  version "7.4.3"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.3.tgz#eb3ac80f64aa101c907d4ce5406360fe75b7895b"
-  integrity sha512-gxpEUhTS1sGA63EGQGuA+WESPR/6tz6ng7tSHFCmaTJK/cGK8y37cBTspX+U2xCAue2IQVvF6Z0oigmjwD8YGQ==
+"@babel/parser@^7.0.0", "@babel/parser@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.4.tgz#5977129431b8fe33471730d255ce8654ae1250b6"
+  integrity sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==
 
 "@babel/template@^7.1.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.0.tgz#12474e9c077bae585c5d835a95c0b0b790c25c8b"
-  integrity sha512-SOWwxxClTTh5NdbbYZ0BmaBVzxzTh2tO/TeLTbF6MO6EzVhHTnff8CdBXx3mEtazFBoysmEM6GU/wF+SuSx4Fw==
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.4.tgz#f4b88d1225689a08f5bc3a17483545be9e4ed237"
+  integrity sha512-CiGzLN9KgAvgZsnivND7rkA+AeJ9JB0ciPOD4U59GKbQP2iQl+olF1l76kJOupqidozfZ32ghwBEJDhnk9MEcw==
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    "@babel/parser" "^7.4.0"
-    "@babel/types" "^7.4.0"
+    "@babel/parser" "^7.4.4"
+    "@babel/types" "^7.4.4"
 
 "@babel/traverse@^7.0.0":
-  version "7.4.3"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.3.tgz#1a01f078fc575d589ff30c0f71bf3c3d9ccbad84"
-  integrity sha512-HmA01qrtaCwwJWpSKpA948cBvU5BrmviAief/b3AVw936DtcdsTexlbyzNuDnthwhOQ37xshn7hvQaEQk7ISYQ==
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.4.4.tgz#0776f038f6d78361860b6823887d4f3937133fe8"
+  integrity sha512-Gw6qqkw/e6AGzlyj9KnkabJX7VcubqPtkUQVAwkc0wUMldr3A/hezNB3Rc5eIvId95iSGkGIOe5hh1kMKf951A==
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.4.0"
+    "@babel/generator" "^7.4.4"
     "@babel/helper-function-name" "^7.1.0"
-    "@babel/helper-split-export-declaration" "^7.4.0"
-    "@babel/parser" "^7.4.3"
-    "@babel/types" "^7.4.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/parser" "^7.4.4"
+    "@babel/types" "^7.4.4"
     debug "^4.1.0"
     globals "^11.1.0"
     lodash "^4.17.11"
 
-"@babel/types@^7.0.0", "@babel/types@^7.4.0":
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.4.0.tgz#670724f77d24cce6cc7d8cf64599d511d164894c"
-  integrity sha512-aPvkXyU2SPOnztlgo8n9cEiXW755mgyvueUPcpStqdzoSPm0fjO0vQBjLkt3JKJW7ufikfcnMTTPsN1xaTsBPA==
+"@babel/types@^7.0.0", "@babel/types@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.4.4.tgz#8db9e9a629bb7c29370009b4b779ed93fe57d5f0"
+  integrity sha512-dOllgYdnEFOebhkKCjzSVFqw/PmmB8pH6RGOWkY4GsboQNd47b1fBThBSwlHAq9alF9vc1M3+6oqR47R50L0tQ==
   dependencies:
     esutils "^2.0.2"
     lodash "^4.17.11"
@@ -706,20 +706,20 @@ braces@^2.3.1, braces@^2.3.2:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-browser-sync-client@^2.26.2:
-  version "2.26.2"
-  resolved "https://registry.yarnpkg.com/browser-sync-client/-/browser-sync-client-2.26.2.tgz#dd0070c80bdc6d9021e89f7837ee70ed0a8acf91"
-  integrity sha512-FEuVJD41fI24HJ30XOT2RyF5WcnEtdJhhTqeyDlnMk/8Ox9MZw109rvk9pdfRWye4soZLe+xcAo9tHSMxvgAdw==
+browser-sync-client@^2.26.4:
+  version "2.26.4"
+  resolved "https://registry.yarnpkg.com/browser-sync-client/-/browser-sync-client-2.26.4.tgz#2b2972579139ce73bfaf0d165c31ef2fecdf02f9"
+  integrity sha512-mQiDp5/tf79VezDS5j/EExU4Ze6f5DQYuL0Z7VdJgBbNLTHDfkYGi2R620qc6HkY9XZA0m4/UwihT7J42RBIJA==
   dependencies:
     etag "1.8.1"
     fresh "0.5.2"
     mitt "^1.1.3"
     rxjs "^5.5.6"
 
-browser-sync-ui@^2.26.2:
-  version "2.26.2"
-  resolved "https://registry.yarnpkg.com/browser-sync-ui/-/browser-sync-ui-2.26.2.tgz#a1d8e107cfed5849d77e3bbd84ae5d566beb4ea0"
-  integrity sha512-LF7GMWo8ELOE0eAlxuRCfnGQT1ZxKP9flCfGgZdXFc6BwmoqaJHlYe7MmVvykKkXjolRXTz8ztXAKGVqNwJ3EQ==
+browser-sync-ui@^2.26.4:
+  version "2.26.4"
+  resolved "https://registry.yarnpkg.com/browser-sync-ui/-/browser-sync-ui-2.26.4.tgz#3772f13c6b93f2d7d333f4be0ca1ec02aae97dba"
+  integrity sha512-u20P3EsZoM8Pt+puoi3BU3KlbQAH1lAcV+/O4saF26qokrBqIDotmGonfWwoRbUmdxZkM9MBmA0K39ZTG1h4sA==
   dependencies:
     async-each-series "0.1.1"
     connect-history-api-fallback "^1"
@@ -728,13 +728,13 @@ browser-sync-ui@^2.26.2:
     socket.io-client "^2.0.4"
     stream-throttle "^0.1.3"
 
-browser-sync@^2.26.3:
-  version "2.26.3"
-  resolved "https://registry.yarnpkg.com/browser-sync/-/browser-sync-2.26.3.tgz#1b59bd5935938a5b0fa73b3d78ef1050bd2bf912"
-  integrity sha512-VLzpjCA4uXqfzkwqWtMM6hvPm2PNHp2RcmzBXcbi6C9WpkUhhFb8SVAr4CFrCsFxDg+oY6HalOjn8F+egyvhag==
+browser-sync@^2.26.5:
+  version "2.26.5"
+  resolved "https://registry.yarnpkg.com/browser-sync/-/browser-sync-2.26.5.tgz#c11353ffd4694be88a34b9a5d2a5a0ba789587d0"
+  integrity sha512-zVa6MmadAFgl5Uk53Yy5cw5tGTO7xSGAWK3Yx70GJ1t5jK+r6B4q3xq+1XbYfLt1SbeFg7WoNWneNhMT4B9jFw==
   dependencies:
-    browser-sync-client "^2.26.2"
-    browser-sync-ui "^2.26.2"
+    browser-sync-client "^2.26.4"
+    browser-sync-ui "^2.26.4"
     bs-recipes "1.3.4"
     bs-snippet-injector "^2.0.1"
     chokidar "^2.0.4"
@@ -749,7 +749,7 @@ browser-sync@^2.26.3:
     http-proxy "1.15.2"
     immutable "^3"
     localtunnel "1.9.1"
-    micromatch "2.3.11"
+    micromatch "^3.1.10"
     opn "5.3.0"
     portscanner "2.1.1"
     qs "6.2.3"
@@ -875,9 +875,9 @@ camelcase@^3.0.0:
   integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
 
 caniuse-lite@^1.0.30000957, caniuse-lite@^1.0.30000960:
-  version "1.0.30000962"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000962.tgz#6c10c3ab304b89bea905e66adf98c0905088ee44"
-  integrity sha512-WXYsW38HK+6eaj5IZR16Rn91TGhU3OhbwjKZvJ4HN/XBIABLKfbij9Mnd3pM0VEwZSlltWjoWg3I8FQ0DGgNOA==
+  version "1.0.30000963"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000963.tgz#5be481d5292f22aff5ee0db4a6c049b65b5798b1"
+  integrity sha512-n4HUiullc7Lw0LyzpeLa2ffP8KxFBGdxqD/8G3bSL6oB758hZ2UE2CVK+tQN958tJIi0/tfpjAc67aAtoHgnrQ==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -1713,9 +1713,9 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 electron-to-chromium@^1.3.124:
-  version "1.3.125"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.125.tgz#dbde0e95e64ebe322db0eca764d951f885a5aff2"
-  integrity sha512-XxowpqQxJ4nDwUXHtVtmEhRqBpm2OnjBomZmZtHD0d2Eo0244+Ojezhk3sD/MBSSe2nxCdGQFRXHIsf/LUTL9A==
+  version "1.3.127"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.127.tgz#9b34d3d63ee0f3747967205b953b25fe7feb0e10"
+  integrity sha512-1o25iFRf/dbgauTWalEzmD1EmRN3a2CzP/K7UVpYLEBduk96LF0FyUdCcf4Ry2mAWJ1VxyblFjC93q6qlLwA2A==
 
 emoji-regex@^7.0.1:
   version "7.0.3"
@@ -3956,11 +3956,6 @@ lodash.merge@^4.4.0:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.1.tgz#adc25d9cb99b9391c59624f379fbba60d7111d54"
   integrity sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ==
 
-lodash.mergewith@^4.6.0:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-  integrity sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==
-
 lodash.pick@^4.2.1:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
@@ -4161,7 +4156,7 @@ methods@^1.1.1:
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
   integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
 
-micromatch@2.3.11, micromatch@^2.3.7, micromatch@^2.3.8:
+micromatch@^2.3.7, micromatch@^2.3.8:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   integrity sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=
@@ -4313,7 +4308,7 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
   integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
 
-nan@^2.10.0, nan@^2.12.1:
+nan@^2.12.1, nan@^2.13.2:
   version "2.13.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.13.2.tgz#f51dc7ae66ba7d5d55e1e6d4d8092e802c9aefe7"
   integrity sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==
@@ -4346,9 +4341,9 @@ navigo@^7.1.2:
   integrity sha512-OlhxHxhLM62X0Sjbkp5wlm1V6GpOIKShFu7dS/fDS3cVqzMHYS880LT5tu6JjGkrSYQbtCNDADmRIP47MoVGlA==
 
 needle@^2.2.1:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/needle/-/needle-2.3.0.tgz#ce3fea21197267bacb310705a7bbe24f2a3a3492"
-  integrity sha512-QBZu7aAFR0522EyaXZM0FZ9GLpq6lvQ3uq8gteiDUp7wKdy0lSd2hPlgFwVuW1CBkfEs9PfDQsQzZghLs/psdg==
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.3.1.tgz#d272f2f4034afb9c4c9ab1379aabc17fc85c9388"
+  integrity sha512-CaLXV3W8Vnbps8ZANqDGz7j4x7Yj1LW4TWF/TQuDfj7Cfx4nAPTvw98qgTevtto1oHDrh3pQkaODbqupXlsWTg==
   dependencies:
     debug "^4.1.0"
     iconv-lite "^0.4.4"
@@ -4421,16 +4416,16 @@ node-pre-gyp@^0.12.0:
     tar "^4"
 
 node-releases@^1.1.14:
-  version "1.1.15"
-  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.15.tgz#9e76a73b0eca3bf7801addaa0e6ce90c795f2b9a"
-  integrity sha512-cKV097BQaZr8LTSRUa2+oc/aX5L8UkZtPQrMSTgiJEeaW7ymTDCoRaGCoaTqk0lqnalcoSHu4wjSl0Cmj2+bMw==
+  version "1.1.17"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.17.tgz#71ea4631f0a97d5cd4f65f7d04ecf9072eac711a"
+  integrity sha512-/SCjetyta1m7YXLgtACZGDYJdCSIBAWorDWkGCGZlydP2Ll7J48l7j/JxNYZ+xsgSPbWfdulVS/aY+GdjUsQ7Q==
   dependencies:
     semver "^5.3.0"
 
 node-sass@^4.8.3:
-  version "4.11.0"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.11.0.tgz#183faec398e9cbe93ba43362e2768ca988a6369a"
-  integrity sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.12.0.tgz#0914f531932380114a30cc5fa4fa63233a25f017"
+  integrity sha512-A1Iv4oN+Iel6EPv77/HddXErL2a+gZ4uBeZUy+a8O35CFYTXhgA8MgLCWBtwpGZdCvTvQ9d+bQxX/QC36GDPpQ==
   dependencies:
     async-foreach "^0.1.3"
     chalk "^1.1.1"
@@ -4439,12 +4434,10 @@ node-sass@^4.8.3:
     get-stdin "^4.0.1"
     glob "^7.0.3"
     in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
-    lodash.mergewith "^4.6.0"
+    lodash "^4.17.11"
     meow "^3.7.0"
     mkdirp "^0.5.1"
-    nan "^2.10.0"
+    nan "^2.13.2"
     node-gyp "^3.8.0"
     npmlog "^4.0.0"
     request "^2.88.0"
@@ -5421,9 +5414,9 @@ resolve-url@^0.2.1:
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
 resolve@^1.1.6, resolve@^1.1.7, resolve@^1.10.0, resolve@^1.4.0, resolve@^1.9.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
-  integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.1.tgz#664842ac960795bbe758221cdccda61fb64b5f18"
+  integrity sha512-KuIe4mf++td/eFb6wkaPbMDnP6kObCaEtIDuHOUED6MNUo4K670KZUHuuvYPZDxNF0WVLw49n06M2m2dXphEzA==
   dependencies:
     path-parse "^1.0.6"
 
@@ -5506,9 +5499,9 @@ rxjs@^5.5.6:
     symbol-observable "1.0.1"
 
 rxjs@^6.4.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.4.0.tgz#f3bb0fe7bda7fb69deac0c16f17b50b0b8790504"
-  integrity sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.1.tgz#f7a005a9386361921b8524f38f54cbf80e5d08f4"
+  integrity sha512-y0j31WJc83wPu31vS1VlAFW5JGrnGC+j+TtGAa1fRQphy48+fDYiDmX8tjGloToEsMkxnouOg/1IzXGKkJnZMg==
   dependencies:
     tslib "^1.9.0"
 
@@ -5540,9 +5533,9 @@ sass-graph@^2.2.4:
     yargs "^7.0.0"
 
 sass-lint@^1.12.0:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/sass-lint/-/sass-lint-1.12.1.tgz#630f69c216aa206b8232fb2aa907bdf3336b6d83"
-  integrity sha1-Yw9pwhaqIGuCMvsqqQe98zNrbYM=
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/sass-lint/-/sass-lint-1.13.1.tgz#5fd2b2792e9215272335eb0f0dc607f61e8acc8f"
+  integrity sha512-DSyah8/MyjzW2BWYmQWekYEKir44BpLqrCFsgs9iaWiVTcwZfwXHF586hh3D1n+/9ihUNMfd8iHAyb9KkGgs7Q==
   dependencies:
     commander "^2.8.1"
     eslint "^2.7.0"
@@ -6470,9 +6463,9 @@ uglify-js@3.4.x:
     source-map "~0.6.1"
 
 uglify-js@^3.0.5:
-  version "3.5.6"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.6.tgz#8a5f8a06ee7415ac1fa302f4623bc7344b553da4"
-  integrity sha512-YDKRX8F0Y+Jr7LhoVk0n4G7ltR3Y7qFAj+DtVBthlOgCcIj1hyMigCfousVfn9HKmvJ+qiFlLDwaHx44/e5ZKw==
+  version "3.5.9"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.5.9.tgz#372fbf95939555b1f460b1777d33a67d4a994ac9"
+  integrity sha512-WpT0RqsDtAWPNJK955DEnb6xjymR8Fn0OlK4TT4pS0ASYsVPqr5ELhgwOwLCP5J5vHeJ4xmMmz3DEgdqC10JeQ==
   dependencies:
     commander "~2.20.0"
     source-map "~0.6.1"