diff --git a/package.json b/package.json
index b53e623..4fef7cb 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "ember-cli-htmlbars-inline-precompile": "^0.4.0",
     "ember-cli-inject-live-reload": "^1.4.1",
     "ember-cli-qunit": "^4.0.0",
+    "ember-cli-sass": "^6.1.3",
     "ember-cli-shims": "^1.1.0",
     "ember-cli-sri": "^2.1.0",
     "ember-cli-uglify": "^1.2.0",
diff --git a/tests/dummy/app/styles/app.css b/tests/dummy/app/styles/app.css
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/dummy/app/styles/app.scss b/tests/dummy/app/styles/app.scss
new file mode 100644
index 0000000..8371917
--- /dev/null
+++ b/tests/dummy/app/styles/app.scss
@@ -0,0 +1,3 @@
+body {
+  background-color: blue;
+}
diff --git a/yarn.lock b/yarn.lock
index 277ec9a..33cc9f7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -222,6 +222,10 @@ array-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-equal/-/array-equal-1.0.0.tgz#8c2a5ef2472fd9ea742b04c77a75093ba2757c93"
 
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
 array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
@@ -298,6 +302,10 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
+async-foreach@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
+
 async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -1097,6 +1105,17 @@ broccoli-caching-writer@^2.0.4, broccoli-caching-writer@^2.2.0:
     rsvp "^3.0.17"
     walk-sync "^0.2.5"
 
+broccoli-caching-writer@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/broccoli-caching-writer/-/broccoli-caching-writer-3.0.3.tgz#0bd2c96a9738d6a6ab590f07ba35c5157d7db476"
+  dependencies:
+    broccoli-kitchen-sink-helpers "^0.3.1"
+    broccoli-plugin "^1.2.1"
+    debug "^2.1.1"
+    rimraf "^2.2.8"
+    rsvp "^3.0.17"
+    walk-sync "^0.3.0"
+
 broccoli-clean-css@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/broccoli-clean-css/-/broccoli-clean-css-1.1.0.tgz#9db143d9af7e0ae79c26e3ac5a9bb2d720ea19fa"
@@ -1213,7 +1232,7 @@ broccoli-lint-eslint@^3.3.0:
     lodash.defaultsdeep "^4.6.0"
     md5-hex "^2.0.0"
 
-broccoli-merge-trees@^1.0.0, broccoli-merge-trees@^1.1.4:
+broccoli-merge-trees@^1.0.0, broccoli-merge-trees@^1.1.0, broccoli-merge-trees@^1.1.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/broccoli-merge-trees/-/broccoli-merge-trees-1.2.4.tgz#a001519bb5067f06589d91afa2942445a2d0fdb5"
   dependencies:
@@ -1276,6 +1295,17 @@ broccoli-plugin@^1.0.0, broccoli-plugin@^1.2.0, broccoli-plugin@^1.2.1, broccoli
     rimraf "^2.3.4"
     symlink-or-copy "^1.1.8"
 
+broccoli-sass-source-maps@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/broccoli-sass-source-maps/-/broccoli-sass-source-maps-2.0.0.tgz#7f25f9f4b296918cec6e00672c63e75abce33d45"
+  dependencies:
+    broccoli-caching-writer "^3.0.3"
+    include-path-searcher "^0.1.0"
+    mkdirp "^0.3.5"
+    node-sass "^4.1.0"
+    object-assign "^2.0.0"
+    rsvp "^3.0.6"
+
 broccoli-slow-trees@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/broccoli-slow-trees/-/broccoli-slow-trees-3.0.1.tgz#9bf2a9e2f8eb3ed3a3f2abdde988da437ccdc9b4"
@@ -1346,6 +1376,10 @@ buffer-shims@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
+builtin-modules@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
 builtins@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/builtins/-/builtins-1.0.3.tgz#cb94faeb61c8696451db36534e1422f94f0aee88"
@@ -1378,10 +1412,25 @@ callsites@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
 
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
 camelcase@^1.0.2, camelcase@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
 
+camelcase@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
+
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+
 can-symlink@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/can-symlink/-/can-symlink-1.0.0.tgz#97b607d8a84bb6c6e228b902d864ecb594b9d219"
@@ -1517,6 +1566,14 @@ cliui@^2.1.0:
     right-align "^0.1.1"
     wordwrap "0.0.2"
 
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
 clone@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
@@ -1698,6 +1755,13 @@ 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"
 
+cross-spawn@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
 cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -1716,6 +1780,12 @@ crypto-random-string@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
 
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
 d@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -1758,7 +1828,7 @@ debug@^2.1.0, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.4.0:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0:
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -2036,6 +2106,16 @@ ember-cli-qunit@^4.0.0:
     resolve "^1.1.6"
     silent-error "^1.0.0"
 
+ember-cli-sass@^6.1.3:
+  version "6.1.3"
+  resolved "https://registry.yarnpkg.com/ember-cli-sass/-/ember-cli-sass-6.1.3.tgz#f5224ad4406dcb2815bdaab154ba5f4def49e9df"
+  dependencies:
+    broccoli-funnel "^1.0.0"
+    broccoli-merge-trees "^1.1.0"
+    broccoli-sass-source-maps "^2.0.0"
+    ember-cli-version-checker "^1.0.2"
+    merge "^1.2.0"
+
 ember-cli-shims@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/ember-cli-shims/-/ember-cli-shims-1.1.0.tgz#0e3b8a048be865b4f81cc81d397ff1eeb13f75b6"
@@ -2345,6 +2425,12 @@ entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
+error-ex@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
+  dependencies:
+    is-arrayish "^0.2.1"
+
 error@^7.0.0:
   version "7.0.2"
   resolved "https://registry.yarnpkg.com/error/-/error-7.0.2.tgz#a5f75fff4d9926126ddac0ea5dc38e689153cb02"
@@ -2722,6 +2808,13 @@ find-index@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/find-index/-/find-index-1.1.0.tgz#53007c79cd30040d6816d79458e8837d5c5705ef"
 
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
@@ -2888,6 +2981,12 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gaze@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/gaze/-/gaze-1.1.2.tgz#847224677adb8870d679257ed3388fdb61e40105"
+  dependencies:
+    globule "^1.0.0"
+
 generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
@@ -2898,7 +2997,7 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
-get-caller-file@^1.0.0:
+get-caller-file@^1.0.0, get-caller-file@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
 
@@ -2933,7 +3032,7 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@7.1.1, glob@^7.0.0, glob@^7.0.3, glob@^7.0.4, glob@^7.0.5:
+glob@7.1.1, glob@^7.0.0, glob@^7.0.3, glob@^7.0.4, glob@^7.0.5, glob@~7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
   dependencies:
@@ -2989,6 +3088,14 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globule@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/globule/-/globule-1.1.0.tgz#c49352e4dc183d85893ee825385eb994bb6df45f"
+  dependencies:
+    glob "~7.1.1"
+    lodash "~4.16.4"
+    minimatch "~3.0.2"
+
 graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.3, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -3120,7 +3227,7 @@ homedir-polyfill@^1.0.0:
   dependencies:
     parse-passwd "^1.0.0"
 
-hosted-git-info@^2.1.5:
+hosted-git-info@^2.1.4, hosted-git-info@^2.1.5:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.4.2.tgz#0076b9f46a270506ddbaaea56496897460612a67"
 
@@ -3160,6 +3267,20 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
+in-publish@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/in-publish/-/in-publish-2.0.0.tgz#e20ff5e3a2afc2690320b6dc552682a9c7fadf51"
+
+include-path-searcher@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/include-path-searcher/-/include-path-searcher-0.1.0.tgz#c0cf2ddfa164fb2eae07bc7ca43a7f191cb4d7bd"
+
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
 indexof@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
@@ -3248,6 +3369,10 @@ ipaddr.js@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.3.0.tgz#1e03a52fdad83a8bbb2b25cbf4998b4cffcd3dec"
 
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -3258,6 +3383,12 @@ is-buffer@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
 
+is-builtin-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  dependencies:
+    builtin-modules "^1.0.0"
+
 is-dotfile@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.2.tgz#2c132383f39199f8edc268ca01b9b007d205cc4d"
@@ -3431,6 +3562,10 @@ jquery@^3.1.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.2.1.tgz#5c4d9de652af6cd0a770154a631bba12b015c787"
 
+js-base64@^2.1.8:
+  version "2.1.9"
+  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.1.9.tgz#f0e80ae039a4bd654b5f281fc93f04a914a7fcce"
+
 js-reporters@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/js-reporters/-/js-reporters-1.2.0.tgz#7cf2cb698196684790350d0c4ca07f4aed9ec17e"
@@ -3572,6 +3707,16 @@ livereload-js@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/livereload-js/-/livereload-js-2.2.2.tgz#6c87257e648ab475bc24ea257457edcc1f8d0bc2"
 
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
 loader.js@^4.2.3:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/loader.js/-/loader.js-4.4.0.tgz#02bf55650b78afee5e9d8cf972efd484faa3b2c1"
@@ -3645,11 +3790,15 @@ lodash.assign@^3.2.0:
     lodash._createassigner "^3.0.0"
     lodash.keys "^3.0.0"
 
+lodash.assign@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
+
 lodash.assignin@^4.1.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assignin/-/lodash.assignin-4.2.0.tgz#ba8df5fb841eb0a3e8044232b0e263a8dc6a28a2"
 
-lodash.clonedeep@^4.4.1:
+lodash.clonedeep@^4.3.2, lodash.clonedeep@^4.4.1:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.clonedeep/-/lodash.clonedeep-4.5.0.tgz#e23f3f9c4f8fbdde872529c1071857a086e5ccef"
 
@@ -3729,6 +3878,10 @@ lodash.merge@^4.3.0, lodash.merge@^4.4.0, lodash.merge@^4.5.1:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.0.tgz#69884ba144ac33fe699737a6086deffadd0f89c5"
 
+lodash.mergewith@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz#150cf0a16791f5903b8891eab154609274bdea55"
+
 lodash.omit@^4.1.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.omit/-/lodash.omit-4.5.0.tgz#6eb19ae5a1ee1dd9df0b969e66ce0b7fa30b5e60"
@@ -3773,6 +3926,10 @@ lodash@^4.0.0, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
+lodash@~4.16.4:
+  version "4.16.6"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.16.6.tgz#d22c9ac660288f3843e16ba7d2b5d06cca27d777"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -3783,6 +3940,13 @@ loose-envify@^1.0.0:
   dependencies:
     js-tokens "^3.0.0"
 
+loud-rejection@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
 lru-cache@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.0.2.tgz#1d17679c069cda5d040991a09dbc2c0db377e55e"
@@ -3802,6 +3966,10 @@ makeerror@1.0.x:
   dependencies:
     tmpl "1.0.x"
 
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
 markdown-it-terminal@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/markdown-it-terminal/-/markdown-it-terminal-0.0.4.tgz#3f2ce624ba2ca964a78b8b388d605ee330de9ced"
@@ -3868,6 +4036,21 @@ memory-streams@^0.1.0:
   dependencies:
     readable-stream "~1.0.2"
 
+meow@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
@@ -3883,7 +4066,7 @@ merge-trees@^1.0.1:
     rimraf "^2.4.3"
     symlink-or-copy "^1.0.0"
 
-merge@^1.1.3:
+merge@^1.1.3, merge@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
 
@@ -3931,7 +4114,7 @@ mime@^1.2.11:
   version "1.3.6"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.6.tgz#591d84d3653a6b0b4a3b9df8de5aa8108e72e5e0"
 
-"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3:
+"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@~3.0.2:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
@@ -3947,7 +4130,7 @@ minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0:
+minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -3957,6 +4140,10 @@ mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.3.5.tgz#de3e5f8961c88c787ee1368df849ac4413eca8d7"
+
 mktemp@~0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/mktemp/-/mktemp-0.4.0.tgz#6d0515611c8a8c84e484aa2000129b98e981ff0b"
@@ -3999,7 +4186,7 @@ mute-stream@0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.6.tgz#48962b19e169fd1dfc240b3f1e7317627bbc47db"
 
-nan@^2.3.0:
+nan@^2.3.0, nan@^2.3.2:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
 
@@ -4018,6 +4205,24 @@ node-fetch@^1.3.3:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-gyp@^3.3.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/node-gyp/-/node-gyp-3.6.1.tgz#19561067ff185464aded478212681f47fd578cbc"
+  dependencies:
+    fstream "^1.0.0"
+    glob "^7.0.3"
+    graceful-fs "^4.1.2"
+    minimatch "^3.0.2"
+    mkdirp "^0.5.0"
+    nopt "2 || 3"
+    npmlog "0 || 1 || 2 || 3 || 4"
+    osenv "0"
+    request "2"
+    rimraf "2"
+    semver "~5.3.0"
+    tar "^2.0.0"
+    which "1"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -4049,7 +4254,30 @@ node-pre-gyp@^0.6.29:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
-nopt@^3.0.6:
+node-sass@^4.1.0:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.5.3.tgz#d09c9d1179641239d1b97ffc6231fdcec53e1568"
+  dependencies:
+    async-foreach "^0.1.3"
+    chalk "^1.1.1"
+    cross-spawn "^3.0.0"
+    gaze "^1.0.0"
+    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"
+    meow "^3.7.0"
+    mkdirp "^0.5.1"
+    nan "^2.3.2"
+    node-gyp "^3.3.1"
+    npmlog "^4.0.0"
+    request "^2.79.0"
+    sass-graph "^2.1.1"
+    stdout-stream "^1.4.0"
+
+"nopt@2 || 3", nopt@^3.0.6:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
   dependencies:
@@ -4062,6 +4290,15 @@ nopt@^4.0.1:
     abbrev "1"
     osenv "^0.1.4"
 
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.8.tgz#d819eda2a9dedbd1ffa563ea4071d936782295bb"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
 normalize-path@^2.0.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
@@ -4081,7 +4318,7 @@ npm-run-path@^2.0.0:
   dependencies:
     path-key "^2.0.0"
 
-npmlog@^4.0.0, npmlog@^4.0.2:
+"npmlog@0 || 1 || 2 || 3 || 4", npmlog@^4.0.0, npmlog@^4.0.2:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.0.tgz#dc59bee85f64f00ed424efb2af0783df25d1c0b5"
   dependencies:
@@ -4102,6 +4339,10 @@ object-assign@4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
+object-assign@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-2.1.1.tgz#43c36e5d569ff8e4816c4efa8be02d26967c18aa"
+
 object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -4186,7 +4427,7 @@ os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
-osenv@^0.1.3, osenv@^0.1.4:
+osenv@0, osenv@^0.1.3, osenv@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.4.tgz#42fe6d5953df06c8064be6f176c3d05aaaa34644"
   dependencies:
@@ -4224,6 +4465,12 @@ parse-glob@^3.0.4:
     is-extglob "^1.0.0"
     is-glob "^2.0.0"
 
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
 parse-passwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
@@ -4254,6 +4501,12 @@ path-exists@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-1.0.0.tgz#d5a8998eb71ef37a74c34eb0d9eba6e878eea081"
 
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -4282,6 +4535,14 @@ path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
 
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -4421,7 +4682,22 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-readable-stream@^2, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2:
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+readable-stream@^2, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2:
   version "2.2.9"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.9.tgz#cf78ec6f4a6d1eb43d26488cac97f042e74b7fc8"
   dependencies:
@@ -4483,6 +4759,13 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
 redeyed@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/redeyed/-/redeyed-0.5.0.tgz#7ab000e60ee3875ac115d29edb32c1403c6c25d1"
@@ -4575,7 +4858,7 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
-request@^2.81.0:
+request@2, request@^2.79.0, request@^2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
   dependencies:
@@ -4602,6 +4885,14 @@ request@^2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+
+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"
+
 require-uncached@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -4707,14 +4998,30 @@ sanitize-filename@^1.6.1:
   dependencies:
     truncate-utf8-bytes "^1.0.0"
 
-semver@^4.1.0:
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+sass-graph@^2.1.1:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/sass-graph/-/sass-graph-2.2.4.tgz#13fbd63cd1caf0908b9fd93476ad43a51d1e0b49"
+  dependencies:
+    glob "^7.0.0"
+    lodash "^4.0.0"
+    scss-tokenizer "^0.2.3"
+    yargs "^7.0.0"
+
+scss-tokenizer@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
+  dependencies:
+    js-base64 "^2.1.8"
+    source-map "^0.4.2"
 
-semver@^5.1.0, semver@^5.1.1, semver@^5.3.0:
+"semver@2 || 3 || 4 || 5", semver@^5.1.0, semver@^5.1.1, semver@^5.3.0, semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
+semver@^4.1.0:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+
 send@0.15.3:
   version "0.15.3"
   resolved "https://registry.yarnpkg.com/send/-/send-0.15.3.tgz#5013f9f99023df50d1bd9892c19e3defd1d53309"
@@ -4742,7 +5049,7 @@ serve-static@1.12.3:
     parseurl "~1.3.1"
     send "0.15.3"
 
-set-blocking@~2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
 
@@ -4917,6 +5224,20 @@ spawn-sync@^1.0.15:
     concat-stream "^1.4.7"
     os-shim "^0.1.2"
 
+spdx-correct@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
+  dependencies:
+    spdx-license-ids "^1.0.2"
+
+spdx-expression-parse@~1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
+
+spdx-license-ids@^1.0.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+
 sprintf-js@^1.0.3, sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -4948,6 +5269,12 @@ stable@~0.1.3:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
+stdout-stream@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/stdout-stream/-/stdout-stream-1.4.0.tgz#a2c7c8587e54d9427ea9edb3ac3f2cd522df378b"
+  dependencies:
+    readable-stream "^2.0.1"
+
 string-template@~0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/string-template/-/string-template-0.2.1.tgz#42932e598a352d01fc22ec3367d9d84eec6c9add"
@@ -5015,6 +5342,12 @@ strip-eof@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
 
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
 strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
@@ -5078,7 +5411,7 @@ tar-pack@^3.4.0:
     tar "^2.2.1"
     uid-number "^0.0.6"
 
-tar@^2.2.1:
+tar@^2.0.0, tar@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
   dependencies:
@@ -5187,6 +5520,10 @@ tree-sync@^1.2.1, tree-sync@^1.2.2:
     quick-temp "^0.1.5"
     walk-sync "^0.2.7"
 
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
 trim-right@^1.0.0, trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
@@ -5318,6 +5655,13 @@ uuid@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
 
+validate-npm-package-license@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
+  dependencies:
+    spdx-correct "~1.0.0"
+    spdx-expression-parse "~1.0.0"
+
 validate-npm-package-name@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/validate-npm-package-name/-/validate-npm-package-name-3.0.0.tgz#5fa912d81eb7d0c74afc140de7317f0ca7df437e"
@@ -5372,7 +5716,11 @@ websocket-extensions@>=0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.1.tgz#76899499c184b6ef754377c2dbb0cd6cb55d29e7"
 
-which@^1.2.12, which@^1.2.9:
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+
+which@1, which@^1.2.12, which@^1.2.9:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
   dependencies:
@@ -5404,6 +5752,13 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -5449,7 +5804,7 @@ xtend@^4.0.0, xtend@~4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
-y18n@^3.2.0:
+y18n@^3.2.0, y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
 
@@ -5464,6 +5819,30 @@ yam@0.0.22:
     fs-extra "^0.30.0"
     lodash.merge "^4.4.0"
 
+yargs-parser@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"
+  dependencies:
+    camelcase "^3.0.0"
+
+yargs@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.0.tgz#6ba318eb16961727f5d284f8ea003e8d6154d0c8"
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    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 "^5.0.0"
+
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"