From e946df1dcf95c49bd4b2d5d3003d212c0f1c6c35 Mon Sep 17 00:00:00 2001
From: Clark Du <clark.duxin@gmail.com>
Date: Mon, 6 Aug 2018 17:54:28 +0100
Subject: [PATCH] feat: upgrade css-loader to 1.0

---
 lib/builder/webpack/utils/postcss.js      |   4 +-
 lib/builder/webpack/utils/style-loader.js |   1 -
 package.json                              |   3 +-
 yarn.lock                                 | 827 +++++++++++++---------
 4 files changed, 483 insertions(+), 352 deletions(-)

diff --git a/lib/builder/webpack/utils/postcss.js b/lib/builder/webpack/utils/postcss.js
index c4168bdf12..fcb78f7d85 100644
--- a/lib/builder/webpack/utils/postcss.js
+++ b/lib/builder/webpack/utils/postcss.js
@@ -9,6 +9,7 @@ import { isPureObject } from '../../../common/utils'
 export default class PostcssConfig {
   constructor(options, nuxt) {
     this.nuxt = nuxt
+    this.dev = options.dev
     this.postcss = options.build.postcss
     this.srcDir = options.srcDir
     this.rootDir = options.rootDir
@@ -45,7 +46,8 @@ export default class PostcssConfig {
         'postcss-preset-env': {
           // https://cssdb.org/#staging-process
           stage: 2
-        }
+        },
+        'cssnano': !this.dev
       }
     }
   }
diff --git a/lib/builder/webpack/utils/style-loader.js b/lib/builder/webpack/utils/style-loader.js
index 1a86a87226..dd5ec90e12 100644
--- a/lib/builder/webpack/utils/style-loader.js
+++ b/lib/builder/webpack/utils/style-loader.js
@@ -73,7 +73,6 @@ export default class StyleLoader {
       loader: (this.isServer && this.extractCSS) ? 'css-loader/locals' : 'css-loader',
       options: Object.assign({
         sourceMap: this.sourceMap,
-        minimize: !this.dev,
         importLoaders: importLoaders,
         alias: cssLoaderAlias
       }, options)
diff --git a/package.json b/package.json
index af738ecea7..865503826d 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,8 @@
     "compression": "^1.7.1",
     "connect": "^3.6.5",
     "consola": "^1.4.1",
-    "css-loader": "^0.28.11",
+    "css-loader": "^1.0.0",
+    "cssnano": "^4.0.5",
     "es6-promise": "^4.2.4",
     "esm": "^3.0.62",
     "etag": "^1.8.1",
diff --git a/yarn.lock b/yarn.lock
index cd28de2e75..1893156d88 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -387,7 +387,7 @@ align-text@^0.1.1, align-text@^0.1.3:
     longest "^1.0.1"
     repeat-string "^1.5.2"
 
-alphanum-sort@^1.0.1, alphanum-sort@^1.0.2:
+alphanum-sort@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
 
@@ -590,17 +590,6 @@ atob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.1.tgz#ae2d5a729477f289d60dd7f96a6314a22dd6c22a"
 
-autoprefixer@^6.3.1:
-  version "6.7.7"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-6.7.7.tgz#1dbd1c835658e35ce3f9984099db00585c782014"
-  dependencies:
-    browserslist "^1.7.6"
-    caniuse-db "^1.0.30000634"
-    normalize-range "^0.1.2"
-    num2fraction "^1.2.2"
-    postcss "^5.2.16"
-    postcss-value-parser "^3.2.3"
-
 autoprefixer@^8.5.0:
   version "8.5.2"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.5.2.tgz#52d86a5ea51a6191024d843f88f2748ce3ab39e5"
@@ -1298,7 +1287,7 @@ body-parser@1.18.2:
     raw-body "2.3.2"
     type-is "~1.6.15"
 
-boolbase@~1.0.0:
+boolbase@^1.0.0, boolbase@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
 
@@ -1404,13 +1393,6 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
-  version "1.7.7"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
-  dependencies:
-    caniuse-db "^1.0.30000639"
-    electron-to-chromium "^1.2.7"
-
 browserslist@^3.2.6, browserslist@^3.2.8:
   version "3.2.8"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-3.2.8.tgz#b0005361d6471f0f5952797a76fc985f1f978fc6"
@@ -1418,6 +1400,14 @@ browserslist@^3.2.6, browserslist@^3.2.8:
     caniuse-lite "^1.0.30000844"
     electron-to-chromium "^1.3.47"
 
+browserslist@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.0.1.tgz#61c05ce2a5843c7d96166408bc23d58b5416e818"
+  dependencies:
+    caniuse-lite "^1.0.30000865"
+    electron-to-chromium "^1.3.52"
+    node-releases "^1.0.0-alpha.10"
+
 bser@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.0.0.tgz#9ac78d3ed5d915804fd87acb158bc797147a1719"
@@ -1522,18 +1512,18 @@ camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
 
-caniuse-api@^1.5.2:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
+caniuse-api@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-3.0.0.tgz#5e4d90e2274961d46291997df599e3ed008ee4c0"
   dependencies:
-    browserslist "^1.3.6"
-    caniuse-db "^1.0.30000529"
+    browserslist "^4.0.0"
+    caniuse-lite "^1.0.0"
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
-  version "1.0.30000847"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000847.tgz#ff4072a5468809fec0ae9ac3b4035ef891e5b144"
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000865:
+  version "1.0.30000874"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000874.tgz#a641b1f1c420d58d9b132920ef6ba87bbdcd2223"
 
 caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30000846:
   version "1.0.30000847"
@@ -1635,12 +1625,6 @@ circular-json@^0.3.1:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
 
-clap@^1.0.9:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/clap/-/clap-1.2.3.tgz#4f36745b32008492557f46412d66d50cb99bce51"
-  dependencies:
-    chalk "^1.1.3"
-
 class-utils@^0.3.5:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
@@ -1699,17 +1683,13 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
-clone@^1.0.2:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
-
 co@^4.6.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
 
-coa@~1.0.1:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/coa/-/coa-1.0.4.tgz#a9ef153660d6a86a8bdec0289a5c684d217432fd"
+coa@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/coa/-/coa-2.0.1.tgz#f3f8b0b15073e35d70263fb1042cb2c023db38af"
   dependencies:
     q "^1.1.2"
 
@@ -1732,22 +1712,26 @@ collection-visit@^1.0.0:
     map-visit "^1.0.0"
     object-visit "^1.0.0"
 
-color-convert@^1.3.0, color-convert@^1.8.2, color-convert@^1.9.0:
+color-convert@^1.8.2, color-convert@^1.9.0:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.1.tgz#c1261107aeb2f294ebffec9ed9ecad529a6097ed"
   dependencies:
     color-name "^1.1.1"
 
+color-convert@^1.9.1:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.2.tgz#49881b8fba67df12a96bdf3f56c0aab9e7913147"
+  dependencies:
+    color-name "1.1.1"
+
+color-name@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.1.tgz#4b1415304cf50028ea81643643bd82ea05803689"
+
 color-name@^1.0.0, color-name@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
-color-string@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/color-string/-/color-string-0.3.0.tgz#27d46fb67025c5c2fa25993bfbf579e47841b991"
-  dependencies:
-    color-name "^1.0.0"
-
 color-string@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.2.tgz#26e45814bc3c9a7cbd6751648a41434514a773a9"
@@ -1755,13 +1739,12 @@ color-string@^1.4.0:
     color-name "^1.0.0"
     simple-swizzle "^0.2.2"
 
-color@^0.11.0:
-  version "0.11.4"
-  resolved "https://registry.yarnpkg.com/color/-/color-0.11.4.tgz#6d7b5c74fb65e841cd48792ad1ed5e07b904d764"
+color-string@^1.5.2:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/color-string/-/color-string-1.5.3.tgz#c9bbc5f01b58b5492f3d6857459cb6590ce204cc"
   dependencies:
-    clone "^1.0.2"
-    color-convert "^1.3.0"
-    color-string "^0.3.0"
+    color-name "^1.0.0"
+    simple-swizzle "^0.2.2"
 
 color@^1.0.3:
   version "1.0.3"
@@ -1770,13 +1753,12 @@ color@^1.0.3:
     color-convert "^1.8.2"
     color-string "^1.4.0"
 
-colormin@^1.0.5:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/colormin/-/colormin-1.1.2.tgz#ea2f7420a72b96881a38aae59ec124a6f7298133"
+color@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/color/-/color-3.0.0.tgz#d920b4328d534a3ac8295d68f7bd4ba6c427be9a"
   dependencies:
-    color "^0.11.0"
-    css-color-names "0.0.4"
-    has "^1.0.1"
+    color-convert "^1.9.1"
+    color-string "^1.5.2"
 
 colors@^1.1.2:
   version "1.3.0"
@@ -1953,6 +1935,14 @@ cosmiconfig@^2.1.0, cosmiconfig@^2.1.1:
     parse-json "^2.2.0"
     require-from-string "^1.1.0"
 
+cosmiconfig@^5.0.0:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/cosmiconfig/-/cosmiconfig-5.0.5.tgz#a809e3c2306891ce17ab70359dc8bdf661fe2cd0"
+  dependencies:
+    is-directory "^0.3.1"
+    js-yaml "^3.9.0"
+    parse-json "^4.0.0"
+
 create-ecdh@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.3.tgz#c9111b6f33045c4697f144787f9254cdc77c45ff"
@@ -2022,22 +2012,27 @@ crypto-browserify@^3.11.0:
     randombytes "^2.0.0"
     randomfill "^1.0.3"
 
-css-color-names@0.0.4:
+css-color-names@0.0.4, css-color-names@^0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/css-color-names/-/css-color-names-0.0.4.tgz#808adc2e79cf84738069b646cb20ec27beb629e0"
 
-css-loader@^0.28.11:
-  version "0.28.11"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-0.28.11.tgz#c3f9864a700be2711bb5a2462b2389b1a392dab7"
+css-declaration-sorter@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/css-declaration-sorter/-/css-declaration-sorter-3.0.1.tgz#d0e3056b0fd88dc1ea9dceff435adbe9c702a7f8"
+  dependencies:
+    postcss "^6.0.0"
+    timsort "^0.3.0"
+
+css-loader@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-1.0.0.tgz#9f46aaa5ca41dbe31860e3b62b8e23c42916bf56"
   dependencies:
     babel-code-frame "^6.26.0"
     css-selector-tokenizer "^0.7.0"
-    cssnano "^3.10.0"
     icss-utils "^2.1.0"
     loader-utils "^1.0.2"
     lodash.camelcase "^4.3.0"
-    object-assign "^4.1.1"
-    postcss "^5.0.6"
+    postcss "^6.0.23"
     postcss-modules-extract-imports "^1.2.0"
     postcss-modules-local-by-default "^1.2.0"
     postcss-modules-scope "^1.1.0"
@@ -2045,6 +2040,10 @@ css-loader@^0.28.11:
     postcss-value-parser "^3.3.0"
     source-list-map "^2.0.0"
 
+css-select-base-adapter@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/css-select-base-adapter/-/css-select-base-adapter-0.1.0.tgz#0102b3d14630df86c3eb9fa9f5456270106cf990"
+
 css-select@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/css-select/-/css-select-1.2.0.tgz#2b3a110539c5355f1cd8d314623e870b121ec858"
@@ -2054,6 +2053,15 @@ css-select@^1.1.0:
     domutils "1.5.1"
     nth-check "~1.0.1"
 
+css-select@~1.3.0-rc0:
+  version "1.3.0-rc0"
+  resolved "https://registry.yarnpkg.com/css-select/-/css-select-1.3.0-rc0.tgz#6f93196aaae737666ea1036a8cb14a8fcb7a9231"
+  dependencies:
+    boolbase "^1.0.0"
+    css-what "2.1"
+    domutils "1.5.1"
+    nth-check "^1.0.1"
+
 css-selector-tokenizer@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/css-selector-tokenizer/-/css-selector-tokenizer-0.7.0.tgz#e6988474ae8c953477bf5e7efecfceccd9cf4c86"
@@ -2062,6 +2070,28 @@ css-selector-tokenizer@^0.7.0:
     fastparse "^1.1.1"
     regexpu-core "^1.0.0"
 
+css-tree@1.0.0-alpha.29:
+  version "1.0.0-alpha.29"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0-alpha.29.tgz#3fa9d4ef3142cbd1c301e7664c1f352bd82f5a39"
+  dependencies:
+    mdn-data "~1.1.0"
+    source-map "^0.5.3"
+
+css-tree@1.0.0-alpha25:
+  version "1.0.0-alpha25"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0-alpha25.tgz#1bbfabfbf6eeef4f01d9108ff2edd0be2fe35597"
+  dependencies:
+    mdn-data "^1.0.0"
+    source-map "^0.5.3"
+
+css-unit-converter@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/css-unit-converter/-/css-unit-converter-1.1.1.tgz#d9b9281adcfd8ced935bdbaba83786897f64e996"
+
+css-url-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/css-url-regex/-/css-url-regex-1.1.0.tgz#83834230cc9f74c457de59eebd1543feeb83b7ec"
+
 css-what@2.1:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.0.tgz#9467d032c38cfaefb9f2d79501253062f87fa1bd"
@@ -2078,49 +2108,73 @@ cssesc@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-1.0.1.tgz#ef7bd8d0229ed6a3a7051ff7771265fe7330e0a8"
 
-cssnano@^3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-3.10.0.tgz#4f38f6cea2b9b17fa01490f23f1dc68ea65c1c38"
+cssnano-preset-default@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-preset-default/-/cssnano-preset-default-4.0.0.tgz#c334287b4f7d49fb2d170a92f9214655788e3b6b"
   dependencies:
-    autoprefixer "^6.3.1"
-    decamelize "^1.1.2"
-    defined "^1.0.0"
-    has "^1.0.1"
-    object-assign "^4.0.1"
-    postcss "^5.0.14"
-    postcss-calc "^5.2.0"
-    postcss-colormin "^2.1.8"
-    postcss-convert-values "^2.3.4"
-    postcss-discard-comments "^2.0.4"
-    postcss-discard-duplicates "^2.0.1"
-    postcss-discard-empty "^2.0.1"
-    postcss-discard-overridden "^0.1.1"
-    postcss-discard-unused "^2.2.1"
-    postcss-filter-plugins "^2.0.0"
-    postcss-merge-idents "^2.1.5"
-    postcss-merge-longhand "^2.0.1"
-    postcss-merge-rules "^2.0.3"
-    postcss-minify-font-values "^1.0.2"
-    postcss-minify-gradients "^1.0.1"
-    postcss-minify-params "^1.0.4"
-    postcss-minify-selectors "^2.0.4"
-    postcss-normalize-charset "^1.1.0"
-    postcss-normalize-url "^3.0.7"
-    postcss-ordered-values "^2.1.0"
-    postcss-reduce-idents "^2.2.2"
-    postcss-reduce-initial "^1.0.0"
-    postcss-reduce-transforms "^1.0.3"
-    postcss-svgo "^2.1.1"
-    postcss-unique-selectors "^2.0.2"
-    postcss-value-parser "^3.2.3"
-    postcss-zindex "^2.0.1"
+    css-declaration-sorter "^3.0.0"
+    cssnano-util-raw-cache "^4.0.0"
+    postcss "^6.0.0"
+    postcss-calc "^6.0.0"
+    postcss-colormin "^4.0.0"
+    postcss-convert-values "^4.0.0"
+    postcss-discard-comments "^4.0.0"
+    postcss-discard-duplicates "^4.0.0"
+    postcss-discard-empty "^4.0.0"
+    postcss-discard-overridden "^4.0.0"
+    postcss-merge-longhand "^4.0.0"
+    postcss-merge-rules "^4.0.0"
+    postcss-minify-font-values "^4.0.0"
+    postcss-minify-gradients "^4.0.0"
+    postcss-minify-params "^4.0.0"
+    postcss-minify-selectors "^4.0.0"
+    postcss-normalize-charset "^4.0.0"
+    postcss-normalize-display-values "^4.0.0"
+    postcss-normalize-positions "^4.0.0"
+    postcss-normalize-repeat-style "^4.0.0"
+    postcss-normalize-string "^4.0.0"
+    postcss-normalize-timing-functions "^4.0.0"
+    postcss-normalize-unicode "^4.0.0"
+    postcss-normalize-url "^4.0.0"
+    postcss-normalize-whitespace "^4.0.0"
+    postcss-ordered-values "^4.0.0"
+    postcss-reduce-initial "^4.0.0"
+    postcss-reduce-transforms "^4.0.0"
+    postcss-svgo "^4.0.0"
+    postcss-unique-selectors "^4.0.0"
 
-csso@~2.3.1:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/csso/-/csso-2.3.2.tgz#ddd52c587033f49e94b71fc55569f252e8ff5f85"
+cssnano-util-get-arguments@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-get-arguments/-/cssnano-util-get-arguments-4.0.0.tgz#ed3a08299f21d75741b20f3b81f194ed49cc150f"
+
+cssnano-util-get-match@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-get-match/-/cssnano-util-get-match-4.0.0.tgz#c0e4ca07f5386bb17ec5e52250b4f5961365156d"
+
+cssnano-util-raw-cache@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-raw-cache/-/cssnano-util-raw-cache-4.0.0.tgz#be0a2856e25f185f5f7a2bcc0624e28b7f179a9f"
   dependencies:
-    clap "^1.0.9"
-    source-map "^0.5.3"
+    postcss "^6.0.0"
+
+cssnano-util-same-parent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/cssnano-util-same-parent/-/cssnano-util-same-parent-4.0.0.tgz#d2a3de1039aa98bc4ec25001fa050330c2a16dac"
+
+cssnano@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-4.0.5.tgz#8789b5fdbe7be05d8a0f7e45c4c789ebe712f5aa"
+  dependencies:
+    cosmiconfig "^5.0.0"
+    cssnano-preset-default "^4.0.0"
+    is-resolvable "^1.0.0"
+    postcss "^6.0.0"
+
+csso@^3.5.0:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/csso/-/csso-3.5.1.tgz#7b9eb8be61628973c1b261e169d2f024008e758b"
+  dependencies:
+    css-tree "1.0.0-alpha.29"
 
 cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   version "0.3.2"
@@ -2190,7 +2244,7 @@ debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+decamelize@^1.0.0, decamelize@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
@@ -2242,10 +2296,6 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
-defined@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
-
 del@^2.0.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
@@ -2411,10 +2461,14 @@ ejs@^2.5.7:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.6.1.tgz#498ec0d495655abc6f23cd61868d926464071aa0"
 
-electron-to-chromium@^1.2.7, electron-to-chromium@^1.3.47:
+electron-to-chromium@^1.3.47:
   version "1.3.48"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz#d3b0d8593814044e092ece2108fc3ac9aea4b900"
 
+electron-to-chromium@^1.3.52:
+  version "1.3.55"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.55.tgz#f150e10b20b77d9d41afcca312efe0c3b1a7fdce"
+
 elliptic@^6.0.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
@@ -2480,13 +2534,19 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+error-ex@^1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  dependencies:
+    is-arrayish "^0.2.1"
+
 error-stack-parser@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/error-stack-parser/-/error-stack-parser-2.0.2.tgz#4ae8dbaa2bf90a8b450707b9149dcabca135520d"
   dependencies:
     stackframe "^1.0.4"
 
-es-abstract@^1.5.1, es-abstract@^1.7.0:
+es-abstract@^1.5.1, es-abstract@^1.6.1, es-abstract@^1.7.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.12.0.tgz#9dbbdd27c6856f0001421ca18782d786bf8a6165"
   dependencies:
@@ -2694,10 +2754,6 @@ espree@^3.5.2, espree@^3.5.4:
     acorn "^5.5.0"
     acorn-jsx "^3.0.0"
 
-esprima@^2.6.0:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
-
 esprima@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
@@ -3146,7 +3202,7 @@ fsevents@^1.1.2, fsevents@^1.2.3:
     nan "^2.9.2"
     node-pre-gyp "^0.10.0"
 
-function-bind@^1.0.2, function-bind@^1.1.1:
+function-bind@^1.0.2, function-bind@^1.1.0, function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
@@ -3324,6 +3380,12 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
+has@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  dependencies:
+    function-bind "^1.1.1"
+
 has@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
@@ -3352,6 +3414,10 @@ he@1.1.x, he@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
 
+hex-color-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
+
 hmac-drbg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
@@ -3375,6 +3441,14 @@ hosted-git-info@^2.1.4:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.6.0.tgz#23235b29ab230c576aab0d4f13fc046b0b038222"
 
+hsl-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/hsl-regex/-/hsl-regex-1.0.0.tgz#d49330c789ed819e276a4c0d272dffa30b18fe6e"
+
+hsla-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/hsla-regex/-/hsla-regex-1.0.0.tgz#c1ce7a3168c8c6614033a4b5f7877f3b225f9c38"
+
 html-comment-regex@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/html-comment-regex/-/html-comment-regex-1.1.1.tgz#668b93776eaae55ebde8f3ad464b307a4963625e"
@@ -3640,6 +3714,17 @@ is-ci@^1.0.10, is-ci@^1.1.0:
   dependencies:
     ci-info "^1.0.0"
 
+is-color-stop@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-color-stop/-/is-color-stop-1.1.0.tgz#cfff471aee4dd5c9e158598fbe12967b5cdad345"
+  dependencies:
+    css-color-names "^0.0.4"
+    hex-color-regex "^1.1.0"
+    hsl-regex "^1.0.0"
+    hsla-regex "^1.0.0"
+    rgb-regex "^1.0.1"
+    rgba-regex "^1.0.0"
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -3795,10 +3880,6 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
-is-plain-obj@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
-
 is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
@@ -3831,9 +3912,9 @@ is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
-is-svg@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-2.1.0.tgz#cf61090da0d9efbcab8722deba6f032208dbb0e9"
+is-svg@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-3.0.0.tgz#9321dbd29c212e5ca99c4fa9794c714bcafa2f75"
   dependencies:
     html-comment-regex "^1.1.0"
 
@@ -4232,10 +4313,6 @@ jest@^23.1.0:
     import-local "^1.0.0"
     jest-cli "^23.1.0"
 
-js-base64@^2.1.9:
-  version "2.4.5"
-  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.5.tgz#e293cd3c7c82f070d700fc7a1ca0a2e69f101f92"
-
 js-stringify@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/js-stringify/-/js-stringify-1.0.2.tgz#1736fddfd9724f28a3682adc6230ae7e4e9679db"
@@ -4251,12 +4328,19 @@ js-yaml@^3.4.3, js-yaml@^3.7.0, js-yaml@^3.9.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@~3.7.0:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"
+js-yaml@^3.9.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
   dependencies:
     argparse "^1.0.7"
-    esprima "^2.6.0"
+    esprima "^4.0.0"
+
+js-yaml@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
 
 jsbn@~0.1.0:
   version "0.1.1"
@@ -4305,7 +4389,7 @@ jsesc@~0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
 
-json-parse-better-errors@^1.0.2:
+json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
 
@@ -4600,10 +4684,6 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
-math-expression-evaluator@^1.2.14:
-  version "1.2.17"
-  resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz#de819fdbcd84dccd8fae59c6aeb79615b9d266ac"
-
 math-random@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.1.tgz#8b3aac588b8a66e4975e3cdea67f7bb329601fac"
@@ -4615,6 +4695,10 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+mdn-data@^1.0.0, mdn-data@~1.1.0:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-1.1.4.tgz#50b5d4ffc4575276573c4eedb8780812a8419f01"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -4952,6 +5036,12 @@ node-pre-gyp@^0.10.0:
     semver "^5.3.0"
     tar "^4"
 
+node-releases@^1.0.0-alpha.10:
+  version "1.0.0-alpha.10"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.0.0-alpha.10.tgz#61c8d5f9b5b2e05d84eba941d05b6f5202f68a2a"
+  dependencies:
+    semver "^5.3.0"
+
 nodesecurity-npm-utils@^6.0.0:
   version "6.0.0"
   resolved "https://registry.yarnpkg.com/nodesecurity-npm-utils/-/nodesecurity-npm-utils-6.0.0.tgz#5fb5974008c0c97a5c01844faa8fd3fc5520806c"
@@ -4982,14 +5072,9 @@ normalize-range@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/normalize-range/-/normalize-range-0.1.2.tgz#2d10c06bdfd312ea9777695a4d28439456b75942"
 
-normalize-url@^1.4.0:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.9.1.tgz#2cc0d66b31ea23036458436e3620d85954c66c3c"
-  dependencies:
-    object-assign "^4.0.1"
-    prepend-http "^1.0.0"
-    query-string "^4.1.0"
-    sort-keys "^1.0.0"
+normalize-url@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-3.2.0.tgz#98d0948afc82829f374320f405fe9ca55a5f8567"
 
 npm-bundled@^1.0.1:
   version "1.0.3"
@@ -5031,7 +5116,7 @@ nsp@^3.2.1:
     wreck "^12.5.1"
     yargs "^9.0.1"
 
-nth-check@~1.0.1:
+nth-check@^1.0.1, nth-check@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-1.0.1.tgz#9929acdf628fc2c41098deab82ac580cf149aae4"
   dependencies:
@@ -5104,6 +5189,15 @@ object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
+object.values@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.0.4.tgz#e524da09b4f66ff05df457546ec72ac99f13069a"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.6.1"
+    function-bind "^1.1.0"
+    has "^1.0.1"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -5256,6 +5350,13 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
+  dependencies:
+    error-ex "^1.3.1"
+    json-parse-better-errors "^1.0.1"
+
 parse5@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
@@ -5387,13 +5488,14 @@ postcss-attribute-case-insensitive@^3.0.0:
     postcss "^6.0.22"
     postcss-selector-parser "^4.0.0"
 
-postcss-calc@^5.2.0:
-  version "5.3.1"
-  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-5.3.1.tgz#77bae7ca928ad85716e2fda42f261bf7c1d65b5e"
+postcss-calc@^6.0.0:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-calc/-/postcss-calc-6.0.1.tgz#3d24171bbf6e7629d422a436ebfe6dd9511f4330"
   dependencies:
-    postcss "^5.0.2"
-    postcss-message-helpers "^2.0.0"
-    reduce-css-calc "^1.2.6"
+    css-unit-converter "^1.1.1"
+    postcss "^6.0.0"
+    postcss-selector-parser "^2.2.2"
+    reduce-css-calc "^2.0.0"
 
 postcss-color-functional-notation@^1.0.1:
   version "1.0.1"
@@ -5425,20 +5527,22 @@ postcss-color-rebeccapurple@^3.1.0:
     postcss "^6.0.22"
     postcss-values-parser "^1.5.0"
 
-postcss-colormin@^2.1.8:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-2.2.2.tgz#6631417d5f0e909a3d7ec26b24c8a8d1e4f96e4b"
+postcss-colormin@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-colormin/-/postcss-colormin-4.0.1.tgz#6f1c18a0155bc69613f2ff13843e2e4ae8ff0bbe"
   dependencies:
-    colormin "^1.0.5"
-    postcss "^5.0.13"
-    postcss-value-parser "^3.2.3"
+    browserslist "^4.0.0"
+    color "^3.0.0"
+    has "^1.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
-postcss-convert-values@^2.3.4:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/postcss-convert-values/-/postcss-convert-values-2.6.1.tgz#bbd8593c5c1fd2e3d1c322bb925dcae8dae4d62d"
+postcss-convert-values@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-convert-values/-/postcss-convert-values-4.0.0.tgz#77d77d9aed1dc4e6956e651cc349d53305876f62"
   dependencies:
-    postcss "^5.0.11"
-    postcss-value-parser "^3.1.2"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
 postcss-custom-media@^6.0.0:
   version "6.0.0"
@@ -5467,36 +5571,29 @@ postcss-dir-pseudo-class@^4.0.0:
     postcss "^6.0.22"
     postcss-selector-parser "^4.0.0"
 
-postcss-discard-comments@^2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/postcss-discard-comments/-/postcss-discard-comments-2.0.4.tgz#befe89fafd5b3dace5ccce51b76b81514be00e3d"
+postcss-discard-comments@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-comments/-/postcss-discard-comments-4.0.0.tgz#9684a299e76b3e93263ef8fd2adbf1a1c08fd88d"
   dependencies:
-    postcss "^5.0.14"
+    postcss "^6.0.0"
 
-postcss-discard-duplicates@^2.0.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-2.1.0.tgz#b9abf27b88ac188158a5eb12abcae20263b91932"
+postcss-discard-duplicates@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-duplicates/-/postcss-discard-duplicates-4.0.0.tgz#42f3c267f85fa909e042c35767ecfd65cb2bd72c"
   dependencies:
-    postcss "^5.0.4"
+    postcss "^6.0.0"
 
-postcss-discard-empty@^2.0.1:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-discard-empty/-/postcss-discard-empty-2.1.0.tgz#d2b4bd9d5ced5ebd8dcade7640c7d7cd7f4f92b5"
+postcss-discard-empty@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-empty/-/postcss-discard-empty-4.0.0.tgz#55e18a59c74128e38c7d2804bcfa4056611fb97f"
   dependencies:
-    postcss "^5.0.14"
+    postcss "^6.0.0"
 
-postcss-discard-overridden@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-discard-overridden/-/postcss-discard-overridden-0.1.1.tgz#8b1eaf554f686fb288cd874c55667b0aa3668d58"
+postcss-discard-overridden@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-discard-overridden/-/postcss-discard-overridden-4.0.0.tgz#4a0bf85978784cf1f81ed2c1c1fd9d964a1da1fa"
   dependencies:
-    postcss "^5.0.16"
-
-postcss-discard-unused@^2.2.1:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/postcss-discard-unused/-/postcss-discard-unused-2.2.3.tgz#bce30b2cc591ffc634322b5fb3464b6d934f4433"
-  dependencies:
-    postcss "^5.0.14"
-    uniqs "^2.0.0"
+    postcss "^6.0.0"
 
 postcss-env-function@^1.0.0:
   version "1.0.0"
@@ -5505,12 +5602,6 @@ postcss-env-function@^1.0.0:
     postcss "^6.0.22"
     postcss-values-parser "^1.5.0"
 
-postcss-filter-plugins@^2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/postcss-filter-plugins/-/postcss-filter-plugins-2.0.3.tgz#82245fdf82337041645e477114d8e593aa18b8ec"
-  dependencies:
-    postcss "^5.0.4"
-
 postcss-focus-visible@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/postcss-focus-visible/-/postcss-focus-visible-3.0.0.tgz#c105b9d97e83c6a60cf3af34245ae451b326fb54"
@@ -5622,66 +5713,64 @@ postcss-media-minmax@^3.0.0:
   dependencies:
     postcss "^6.0.1"
 
-postcss-merge-idents@^2.1.5:
-  version "2.1.7"
-  resolved "https://registry.yarnpkg.com/postcss-merge-idents/-/postcss-merge-idents-2.1.7.tgz#4c5530313c08e1d5b3bbf3d2bbc747e278eea270"
+postcss-merge-longhand@^4.0.0:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-4.0.4.tgz#bffc7c6ffa146591c993a0bb8373d65f9a06d4d0"
   dependencies:
-    has "^1.0.1"
-    postcss "^5.0.10"
-    postcss-value-parser "^3.1.1"
+    css-color-names "0.0.4"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+    stylehacks "^4.0.0"
 
-postcss-merge-longhand@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/postcss-merge-longhand/-/postcss-merge-longhand-2.0.2.tgz#23d90cd127b0a77994915332739034a1a4f3d658"
+postcss-merge-rules@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-4.0.1.tgz#430fd59b3f2ed2e8afcd0b31278eda39854abb10"
   dependencies:
-    postcss "^5.0.4"
-
-postcss-merge-rules@^2.0.3:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-2.1.2.tgz#d1df5dfaa7b1acc3be553f0e9e10e87c61b5f721"
-  dependencies:
-    browserslist "^1.5.2"
-    caniuse-api "^1.5.2"
-    postcss "^5.0.4"
-    postcss-selector-parser "^2.2.2"
+    browserslist "^4.0.0"
+    caniuse-api "^3.0.0"
+    cssnano-util-same-parent "^4.0.0"
+    postcss "^6.0.0"
+    postcss-selector-parser "^3.0.0"
     vendors "^1.0.0"
 
 postcss-message-helpers@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/postcss-message-helpers/-/postcss-message-helpers-2.0.0.tgz#a4f2f4fab6e4fe002f0aed000478cdf52f9ba60e"
 
-postcss-minify-font-values@^1.0.2:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/postcss-minify-font-values/-/postcss-minify-font-values-1.0.5.tgz#4b58edb56641eba7c8474ab3526cafd7bbdecb69"
+postcss-minify-font-values@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-minify-font-values/-/postcss-minify-font-values-4.0.0.tgz#4cc33d283d6a81759036e757ef981d92cbd85bed"
   dependencies:
-    object-assign "^4.0.1"
-    postcss "^5.0.4"
-    postcss-value-parser "^3.0.2"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
-postcss-minify-gradients@^1.0.1:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/postcss-minify-gradients/-/postcss-minify-gradients-1.0.5.tgz#5dbda11373703f83cfb4a3ea3881d8d75ff5e6e1"
+postcss-minify-gradients@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-minify-gradients/-/postcss-minify-gradients-4.0.0.tgz#3fc3916439d27a9bb8066db7cdad801650eb090e"
   dependencies:
-    postcss "^5.0.12"
-    postcss-value-parser "^3.3.0"
+    cssnano-util-get-arguments "^4.0.0"
+    is-color-stop "^1.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
-postcss-minify-params@^1.0.4:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/postcss-minify-params/-/postcss-minify-params-1.2.2.tgz#ad2ce071373b943b3d930a3fa59a358c28d6f1f3"
+postcss-minify-params@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-minify-params/-/postcss-minify-params-4.0.0.tgz#05e9166ee48c05af651989ce84d39c1b4d790674"
   dependencies:
-    alphanum-sort "^1.0.1"
-    postcss "^5.0.2"
-    postcss-value-parser "^3.0.2"
+    alphanum-sort "^1.0.0"
+    cssnano-util-get-arguments "^4.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
     uniqs "^2.0.0"
 
-postcss-minify-selectors@^2.0.4:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-2.1.1.tgz#b2c6a98c0072cf91b932d1a496508114311735bf"
+postcss-minify-selectors@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-minify-selectors/-/postcss-minify-selectors-4.0.0.tgz#b1e9f6c463416d3fcdcb26e7b785d95f61578aad"
   dependencies:
-    alphanum-sort "^1.0.2"
-    has "^1.0.1"
-    postcss "^5.0.14"
-    postcss-selector-parser "^2.0.0"
+    alphanum-sort "^1.0.0"
+    has "^1.0.0"
+    postcss "^6.0.0"
+    postcss-selector-parser "^3.0.0"
 
 postcss-modules-extract-imports@^1.2.0:
   version "1.2.0"
@@ -5716,27 +5805,84 @@ postcss-nesting@^5.0.0:
   dependencies:
     postcss "^6.0.21"
 
-postcss-normalize-charset@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-1.1.1.tgz#ef9ee71212d7fe759c78ed162f61ed62b5cb93f1"
+postcss-normalize-charset@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-4.0.0.tgz#24527292702d5e8129eafa3d1de49ed51a6ab730"
   dependencies:
-    postcss "^5.0.5"
+    postcss "^6.0.0"
 
-postcss-normalize-url@^3.0.7:
-  version "3.0.8"
-  resolved "https://registry.yarnpkg.com/postcss-normalize-url/-/postcss-normalize-url-3.0.8.tgz#108f74b3f2fcdaf891a2ffa3ea4592279fc78222"
+postcss-normalize-display-values@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-display-values/-/postcss-normalize-display-values-4.0.0.tgz#950e0c7be3445770a160fffd6b6644c3c0cd8f89"
+  dependencies:
+    cssnano-util-get-match "^4.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-positions@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-positions/-/postcss-normalize-positions-4.0.0.tgz#ee9343ab981b822c63ab72615ecccd08564445a3"
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    has "^1.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-repeat-style@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-repeat-style/-/postcss-normalize-repeat-style-4.0.0.tgz#b711c592cf16faf9ff575e42fa100b6799083eff"
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    cssnano-util-get-match "^4.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-string@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-string/-/postcss-normalize-string-4.0.0.tgz#718cb6d30a6fac6ac6a830e32c06c07dbc66fe5d"
+  dependencies:
+    has "^1.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-timing-functions@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-timing-functions/-/postcss-normalize-timing-functions-4.0.0.tgz#0351f29886aa981d43d91b2c2bd1aea6d0af6d23"
+  dependencies:
+    cssnano-util-get-match "^4.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-unicode@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-unicode/-/postcss-normalize-unicode-4.0.0.tgz#5acd5d47baea5d17674b2ccc4ae5166fa88cdf97"
+  dependencies:
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-normalize-url@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-url/-/postcss-normalize-url-4.0.0.tgz#b7a9c8ad26cf26694c146eb2d68bd0cf49956f0d"
   dependencies:
     is-absolute-url "^2.0.0"
-    normalize-url "^1.4.0"
-    postcss "^5.0.14"
-    postcss-value-parser "^3.2.3"
+    normalize-url "^3.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
-postcss-ordered-values@^2.1.0:
-  version "2.2.3"
-  resolved "https://registry.yarnpkg.com/postcss-ordered-values/-/postcss-ordered-values-2.2.3.tgz#eec6c2a67b6c412a8db2042e77fe8da43f95c11d"
+postcss-normalize-whitespace@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-normalize-whitespace/-/postcss-normalize-whitespace-4.0.0.tgz#1da7e76b10ae63c11827fa04fc3bb4a1efe99cc0"
   dependencies:
-    postcss "^5.0.4"
-    postcss-value-parser "^3.0.1"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+
+postcss-ordered-values@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-ordered-values/-/postcss-ordered-values-4.0.0.tgz#58b40c74f72e022eb34152c12e4b0f9354482fc2"
+  dependencies:
+    cssnano-util-get-arguments "^4.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
 postcss-overflow-shorthand@^1.0.1:
   version "1.0.1"
@@ -5802,26 +5948,23 @@ postcss-pseudo-class-any-link@^5.0.0:
     postcss "^6.0.22"
     postcss-selector-parser "^4.0.0"
 
-postcss-reduce-idents@^2.2.2:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/postcss-reduce-idents/-/postcss-reduce-idents-2.4.0.tgz#c2c6d20cc958284f6abfbe63f7609bf409059ad3"
+postcss-reduce-initial@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-initial/-/postcss-reduce-initial-4.0.1.tgz#f2d58f50cea2b0c5dc1278d6ea5ed0ff5829c293"
   dependencies:
-    postcss "^5.0.4"
-    postcss-value-parser "^3.0.2"
+    browserslist "^4.0.0"
+    caniuse-api "^3.0.0"
+    has "^1.0.0"
+    postcss "^6.0.0"
 
-postcss-reduce-initial@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/postcss-reduce-initial/-/postcss-reduce-initial-1.0.1.tgz#68f80695f045d08263a879ad240df8dd64f644ea"
+postcss-reduce-transforms@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-reduce-transforms/-/postcss-reduce-transforms-4.0.0.tgz#f645fc7440c35274f40de8104e14ad7163edf188"
   dependencies:
-    postcss "^5.0.4"
-
-postcss-reduce-transforms@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/postcss-reduce-transforms/-/postcss-reduce-transforms-1.0.4.tgz#ff76f4d8212437b31c298a42d2e1444025771ae1"
-  dependencies:
-    has "^1.0.1"
-    postcss "^5.0.8"
-    postcss-value-parser "^3.0.1"
+    cssnano-util-get-match "^4.0.0"
+    has "^1.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
 
 postcss-replace-overflow-wrap@^2.0.0:
   version "2.0.0"
@@ -5843,7 +5986,7 @@ postcss-selector-not@^3.0.1:
     balanced-match "^0.4.2"
     postcss "^6.0.1"
 
-postcss-selector-parser@^2.0.0, postcss-selector-parser@^2.2.2:
+postcss-selector-parser@^2.2.2:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-2.2.3.tgz#f9437788606c3c9acee16ffe8d8b16297f27bb90"
   dependencies:
@@ -5851,7 +5994,7 @@ postcss-selector-parser@^2.0.0, postcss-selector-parser@^2.2.2:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-selector-parser@^3.1.1:
+postcss-selector-parser@^3.0.0, postcss-selector-parser@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-3.1.1.tgz#4f875f4afb0c96573d5cf4d74011aee250a7e865"
   dependencies:
@@ -5867,21 +6010,21 @@ postcss-selector-parser@^4.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-svgo@^2.1.1:
-  version "2.1.6"
-  resolved "https://registry.yarnpkg.com/postcss-svgo/-/postcss-svgo-2.1.6.tgz#b6df18aa613b666e133f08adb5219c2684ac108d"
+postcss-svgo@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-svgo/-/postcss-svgo-4.0.0.tgz#c0bbad02520fc636c9d78b0e8403e2e515c32285"
   dependencies:
-    is-svg "^2.0.0"
-    postcss "^5.0.14"
-    postcss-value-parser "^3.2.3"
-    svgo "^0.7.0"
+    is-svg "^3.0.0"
+    postcss "^6.0.0"
+    postcss-value-parser "^3.0.0"
+    svgo "^1.0.0"
 
-postcss-unique-selectors@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/postcss-unique-selectors/-/postcss-unique-selectors-2.0.2.tgz#981d57d29ddcb33e7b1dfe1fd43b8649f933ca1d"
+postcss-unique-selectors@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-unique-selectors/-/postcss-unique-selectors-4.0.0.tgz#04c1e9764c75874261303402c41f0e9769fc5501"
   dependencies:
-    alphanum-sort "^1.0.1"
-    postcss "^5.0.4"
+    alphanum-sort "^1.0.0"
+    postcss "^6.0.0"
     uniqs "^2.0.0"
 
 postcss-url@^7.3.2:
@@ -5894,7 +6037,7 @@ postcss-url@^7.3.2:
     postcss "^6.0.1"
     xxhashjs "^0.2.1"
 
-postcss-value-parser@^3.0.1, postcss-value-parser@^3.0.2, postcss-value-parser@^3.1.1, postcss-value-parser@^3.1.2, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
+postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.0.tgz#87f38f9f18f774a4ab4c8a232f5c5ce8872a9d15"
 
@@ -5906,23 +6049,6 @@ postcss-values-parser@^1.3.2, postcss-values-parser@^1.5.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-postcss-zindex@^2.0.1:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-2.2.0.tgz#d2109ddc055b91af67fc4cb3b025946639d2af22"
-  dependencies:
-    has "^1.0.1"
-    postcss "^5.0.4"
-    uniqs "^2.0.0"
-
-postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.6, postcss@^5.0.8, postcss@^5.2.16:
-  version "5.2.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.18.tgz#badfa1497d46244f6390f58b319830d9107853c5"
-  dependencies:
-    chalk "^1.1.3"
-    js-base64 "^2.1.9"
-    source-map "^0.5.6"
-    supports-color "^3.2.3"
-
 postcss@^6.0, postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.16, postcss@^6.0.18, postcss@^6.0.19, postcss@^6.0.20, postcss@^6.0.21, postcss@^6.0.22:
   version "6.0.22"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.22.tgz#e23b78314905c3b90cbd61702121e7a78848f2a3"
@@ -5943,10 +6069,6 @@ prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
 
-prepend-http@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
-
 preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
@@ -6190,13 +6312,6 @@ qs@~6.5.1:
   version "6.5.2"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
 
-query-string@^4.1.0:
-  version "4.3.4"
-  resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
-  dependencies:
-    object-assign "^4.1.0"
-    strict-uri-encode "^1.0.0"
-
 querystring-es3@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
@@ -6320,19 +6435,12 @@ realpath-native@^1.0.0:
   dependencies:
     util.promisify "^1.0.0"
 
-reduce-css-calc@^1.2.6:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz#747c914e049614a4c9cfbba629871ad1d2927716"
+reduce-css-calc@^2.0.0:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-2.1.4.tgz#c20e9cda8445ad73d4ff4bea960c6f8353791708"
   dependencies:
-    balanced-match "^0.4.2"
-    math-expression-evaluator "^1.2.14"
-    reduce-function-call "^1.0.1"
-
-reduce-function-call@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/reduce-function-call/-/reduce-function-call-1.0.2.tgz#5a200bf92e0e37751752fe45b0ab330fd4b6be99"
-  dependencies:
-    balanced-match "^0.4.2"
+    css-unit-converter "^1.1.1"
+    postcss-value-parser "^3.3.0"
 
 regenerate@^1.2.1:
   version "1.4.0"
@@ -6526,6 +6634,14 @@ ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
 
+rgb-regex@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/rgb-regex/-/rgb-regex-1.0.1.tgz#c0e0d6882df0e23be254a475e8edd41915feaeb1"
+
+rgba-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/rgba-regex/-/rgba-regex-1.0.0.tgz#43374e2e2ca0968b0ef1523460b7d730ff22eeb3"
+
 right-align@^0.1.1:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
@@ -6650,7 +6766,7 @@ sane@^2.0.0:
   optionalDependencies:
     fsevents "^1.2.3"
 
-sax@^1.2.4, sax@~1.2.1:
+sax@^1.2.4, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
@@ -6815,12 +6931,6 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-sort-keys@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
-  dependencies:
-    is-plain-obj "^1.0.0"
-
 source-list-map@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
@@ -6922,6 +7032,10 @@ ssri@^5.2.4:
   dependencies:
     safe-buffer "^5.1.1"
 
+stable@~0.1.6:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"
+
 stack-trace@0.0.10:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
@@ -6991,10 +7105,6 @@ stream-shift@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
 
-strict-uri-encode@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
-
 string-length@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-2.0.0.tgz#d40dbb686a3ace960c1cffca562bf2c45f8363ed"
@@ -7064,11 +7174,19 @@ style-resources-loader@^1.1.0:
     glob "^7.1.2"
     loader-utils "^1.1.0"
 
+stylehacks@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/stylehacks/-/stylehacks-4.0.0.tgz#64b323951c4a24e5fc7b2ec06c137bf32d155e8a"
+  dependencies:
+    browserslist "^4.0.0"
+    postcss "^6.0.0"
+    postcss-selector-parser "^3.0.0"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
 
-supports-color@^3.1.2, supports-color@^3.2.3:
+supports-color@^3.1.2:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   dependencies:
@@ -7084,17 +7202,24 @@ svg-tags@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/svg-tags/-/svg-tags-1.0.0.tgz#58f71cee3bd519b59d4b2a843b6c7de64ac04764"
 
-svgo@^0.7.0:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
+svgo@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/svgo/-/svgo-1.0.5.tgz#7040364c062a0538abacff4401cea6a26a7a389a"
   dependencies:
-    coa "~1.0.1"
+    coa "~2.0.1"
     colors "~1.1.2"
-    csso "~2.3.1"
-    js-yaml "~3.7.0"
+    css-select "~1.3.0-rc0"
+    css-select-base-adapter "~0.1.0"
+    css-tree "1.0.0-alpha25"
+    css-url-regex "^1.1.0"
+    csso "^3.5.0"
+    js-yaml "~3.10.0"
     mkdirp "~0.5.1"
-    sax "~1.2.1"
-    whet.extend "~0.9.9"
+    object.values "^1.0.4"
+    sax "~1.2.4"
+    stable "~0.1.6"
+    unquote "~1.1.1"
+    util.promisify "~1.0.0"
 
 symbol-tree@^3.2.2:
   version "3.2.2"
@@ -7189,6 +7314,10 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
+timsort@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
+
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
@@ -7390,6 +7519,10 @@ unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
+unquote@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/unquote/-/unquote-1.1.1.tgz#8fded7324ec6e88a0ff8b905e7c098cdc086d544"
+
 unset-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
@@ -7448,7 +7581,7 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
-util.promisify@1.0.0, util.promisify@^1.0.0:
+util.promisify@1.0.0, util.promisify@^1.0.0, util.promisify@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/util.promisify/-/util.promisify-1.0.0.tgz#440f7165a459c9a16dc145eb8e72f35687097030"
   dependencies:
@@ -7746,10 +7879,6 @@ whatwg-url@^6.4.0, whatwg-url@^6.4.1:
     tr46 "^1.0.1"
     webidl-conversions "^4.0.2"
 
-whet.extend@~0.9.9:
-  version "0.9.9"
-  resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
-
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"