Extra dependencies were required

package.json

@@ -32,6 +32,8 @@
     "messenger": "git+https://github.com/HubSpot/messenger.git",
     "moment": "^2.17.1",
     "promise": "^7.3.1",
+    "sass": "^1.15.2",
+    "sass-loader": "7.*",
     "sortablejs": "^1.6.1",
     "sweetalert2": "^6.8.0",
     "vue": "^2.5.17",

yarn.lock

@@ -1514,6 +1514,16 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
+clone-deep@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-2.0.2.tgz#00db3a1e173656730d1188c3d6aced6d7ea97713"
+  integrity sha512-SZegPTKjCgpQH63E+eN6mVEEPdQBOUzjyJm5Pora4lrwWRFS8I0QAxV/KD6vV/i0WuijHZWQC1fMsPEdxfdVCQ==
+  dependencies:
+    for-own "^1.0.0"
+    is-plain-object "^2.0.4"
+    kind-of "^6.0.0"
+    shallow-clone "^1.0.0"
+
 clone-stats@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-0.0.1.tgz#b88f94a82cf38b8791d58046ea4029ad88ca99d1"
@@ -2774,6 +2784,11 @@ follow-redirects@^1.0.0, follow-redirects@^1.3.0:
   dependencies:
     debug "=3.1.0"
 
+for-in@^0.1.3:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.8.tgz#d8773908e31256109952b1fdb9b3fa867d2775e1"
+  integrity sha1-2Hc5COMSVhCZUrH9ubP6hn0ndeE=
+
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -4040,7 +4055,7 @@ loader-runner@^2.3.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.3.1.tgz#026f12fe7c3115992896ac02ba022ba92971b979"
   integrity sha512-By6ZFY7ETWOc9RFaAIb23IjJVcM4dvJC/N57nmdz9RSkMXvAXGI7SyVlAw3v8vjtDRlqThgVDVmTnr9fqMlxkw==
 
-loader-utils@^1.0.2, loader-utils@^1.1.0:
+loader-utils@^1.0.1, loader-utils@^1.0.2, loader-utils@^1.1.0:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
   integrity sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==
@@ -4151,6 +4166,11 @@ lodash.restparam@^3.0.0:
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
   integrity sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=
 
+lodash.tail@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.tail/-/lodash.tail-4.1.1.tgz#d2333a36d9e7717c8ad2f7cacafec7c32b444664"
+  integrity sha1-0jM6NtnncXyK0vfKyv7HwytERmQ=
+
 lodash.template@^3.0.0:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-3.6.2.tgz#f8cdecc6169a255be9098ae8b0c53d378931d14f"
@@ -4470,6 +4490,14 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
+mixin-object@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/mixin-object/-/mixin-object-2.0.1.tgz#4fb949441dab182540f1fe035ba60e1947a5e57e"
+  integrity sha1-T7lJRB2rGCVA8f4DW6YOGUel5X4=
+  dependencies:
+    for-in "^0.1.3"
+    is-extendable "^0.1.1"
+
 mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -5967,6 +5995,25 @@ safe-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
+sass-loader@7.*:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/sass-loader/-/sass-loader-7.1.0.tgz#16fd5138cb8b424bf8a759528a1972d72aad069d"
+  integrity sha512-+G+BKGglmZM2GUSfT9TLuEp6tzehHPjAMoRRItOojWIqIGPloVCMhNIQuG639eJ+y033PaGTSjLaTHts8Kw79w==
+  dependencies:
+    clone-deep "^2.0.1"
+    loader-utils "^1.0.1"
+    lodash.tail "^4.1.1"
+    neo-async "^2.5.0"
+    pify "^3.0.0"
+    semver "^5.5.0"
+
+sass@^1.15.2:
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.15.2.tgz#539f464a61e29a9e4f560ec9dc2ccc5236db8474"
+  integrity sha512-YFncPpx3ewKEhMg9sWdCxKUpPN/jwVLa0Q9iO2tcV5Y5Z/YAlFV6k6JaQwq3tmbN6FXKjUYElXRHcG0g4D1zkQ==
+  dependencies:
+    chokidar "^2.0.0"
+
 sax@^1.2.4, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -6106,6 +6153,15 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+shallow-clone@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shallow-clone/-/shallow-clone-1.0.0.tgz#4480cd06e882ef68b2ad88a3ea54832e2c48b571"
+  integrity sha512-oeXreoKR/SyNJtRJMAKPDSvd28OqEwG4eR/xc856cRGBII7gX9lvAqDxusPm0846z/w/hWYjI1NpKwJ00NHzRA==
+  dependencies:
+    is-extendable "^0.1.1"
+    kind-of "^5.0.0"
+    mixin-object "^2.0.1"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"