diff --git a/build/build-components.js b/build/build-components.js
index 05cb8b001..e6eb95ca0 100644
--- a/build/build-components.js
+++ b/build/build-components.js
@@ -4,7 +4,7 @@
 const fs = require('fs-extra');
 const path = require('path');
 const babel = require('@babel/core');
-const compiler = require('vue-sfc-compiler');
+const compiler = require('@vant/compiler');
 const markdownVetur = require('markdown-vetur');
 
 const esDir = path.join(__dirname, '../es');
diff --git a/build/webpack.dev.js b/build/webpack.dev.js
index 41a5c9089..3d680abb4 100644
--- a/build/webpack.dev.js
+++ b/build/webpack.dev.js
@@ -68,7 +68,7 @@ module.exports = {
         test: /\.md$/,
         use: [
           'vue-loader',
-          'fast-vue-md-loader'
+          '@vant/markdown-loader'
         ]
       },
       {
diff --git a/package.json b/package.json
index e0b7494a5..c7d3a798a 100644
--- a/package.json
+++ b/package.json
@@ -72,8 +72,10 @@
     "@babel/plugin-transform-runtime": "^7.1.0",
     "@babel/polyfill": "^7.0.0",
     "@babel/preset-env": "^7.1.6",
+    "@vant/compiler": "^1.0.0",
     "@vant/doc": "^1.0.20",
     "@vant/eslint-config": "^1.0.7",
+    "@vant/markdown-loader": "^1.0.3",
     "@vue/server-test-utils": "^1.0.0-beta.26",
     "@vue/test-utils": "^1.0.0-beta.26",
     "autoprefixer": "^9.3.1",
@@ -86,9 +88,8 @@
     "dependency-tree": "^6.3.0",
     "eslint": "^5.9.0",
     "fast-glob": "^2.2.4",
-    "fast-vue-md-loader": "^1.0.3",
     "gh-pages": "^2.0.1",
-    "gulp": "^4.0.0",
+    "gulp": "3.9.1",
     "gulp-csso": "^3.0.1",
     "gulp-less": "^4.0.1",
     "gulp-postcss": "^8.0.0",
@@ -116,7 +117,6 @@
     "vue-loader": "^15.4.2",
     "vue-router": "^3.0.2",
     "vue-server-renderer": "^2.5.17",
-    "vue-sfc-compiler": "^0.1.3",
     "vue-template-compiler": "2.5.21",
     "vue-template-es2015-compiler": "^1.6.0",
     "webpack": "^4.26.1",
diff --git a/yarn.lock b/yarn.lock
index 669fba34c..8cce26a01 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -681,6 +681,10 @@
   version "0.0.30"
   resolved "https://registry.yarnpkg.com/@types/strip-json-comments/-/strip-json-comments-0.0.30.tgz#9aa30c04db212a9a0649d6ae6fd50accc40748a1"
 
+"@vant/compiler@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@vant/compiler/-/compiler-1.0.0.tgz#aecf1014c40db590026781cead28c951b538b461"
+
 "@vant/doc@^1.0.20":
   version "1.0.20"
   resolved "https://registry.yarnpkg.com/@vant/doc/-/doc-1.0.20.tgz#fea85519ecf7d25f3df652c78f2b761cb8734771"
@@ -705,6 +709,13 @@
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@vant/icons/-/icons-1.0.0.tgz#2e94cef445ab7f9ec99019f2126c2b7e6dfe3c25"
 
+"@vant/markdown-loader@^1.0.3":
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/@vant/markdown-loader/-/markdown-loader-1.0.3.tgz#dc874a740a2b46a0e79bb5bcc43ca95a0b83fe07"
+  dependencies:
+    highlight.js "^9.12.0"
+    markdown-it "^8.4.0"
+
 "@vue/component-compiler-utils@^2.0.0":
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/@vue/component-compiler-utils/-/component-compiler-utils-2.3.1.tgz#d1c2623f02ad3fe6b6fc9c3762be55c9c61e3977"
@@ -1079,12 +1090,6 @@ app-root-path@^2.0.1:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/app-root-path/-/app-root-path-2.1.0.tgz#98bf6599327ecea199309866e8140368fd2e646a"
 
-append-buffer@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/append-buffer/-/append-buffer-1.0.2.tgz#d8220cf466081525efea50614f3de6514dfa58f1"
-  dependencies:
-    buffer-equal "^1.0.0"
-
 append-transform@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-0.4.0.tgz#d76ebf8ca94d276e247a36bad44a4b74ab611991"
@@ -1137,22 +1142,10 @@ arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
 
-arr-filter@^1.1.1:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/arr-filter/-/arr-filter-1.1.2.tgz#43fdddd091e8ef11aa4c45d9cdc18e2dff1711ee"
-  dependencies:
-    make-iterator "^1.0.0"
-
 arr-flatten@^1.0.1, arr-flatten@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
 
-arr-map@^2.0.0, arr-map@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/arr-map/-/arr-map-2.0.2.tgz#3a77345ffc1cf35e2a91825601f9e58f2e24cac4"
-  dependencies:
-    make-iterator "^1.0.0"
-
 arr-union@^2.0.1:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-2.1.0.tgz#20f9eab5ec70f5c7d215b1077b1c39161d292c7d"
@@ -1161,7 +1154,11 @@ arr-union@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
 
-array-each@^1.0.0, array-each@^1.0.1:
+array-differ@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
+
+array-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
 
@@ -1173,19 +1170,6 @@ 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-initial@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/array-initial/-/array-initial-1.1.0.tgz#2fa74b26739371c3947bd7a7adc73be334b3d795"
-  dependencies:
-    array-slice "^1.0.0"
-    is-number "^4.0.0"
-
-array-last@^1.1.1:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/array-last/-/array-last-1.3.0.tgz#7aa77073fec565ddab2493f5f88185f404a9d336"
-  dependencies:
-    is-number "^4.0.0"
-
 array-slice@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
@@ -1194,21 +1178,13 @@ array-slice@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.1.0.tgz#e368ea15f89bc7069f7ffb89aec3a6c7d4ac22d4"
 
-array-sort@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/array-sort/-/array-sort-1.0.0.tgz#e4c05356453f56f53512a7d1d6123f2c54c0a88a"
-  dependencies:
-    default-compare "^1.0.0"
-    get-value "^2.0.6"
-    kind-of "^5.0.2"
-
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1:
+array-uniq@^1.0.1, array-uniq@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
 
@@ -1264,15 +1240,6 @@ astral-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
 
-async-done@^1.2.0, async-done@^1.2.2:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/async-done/-/async-done-1.3.1.tgz#14b7b73667b864c8f02b5b253fc9c6eddb777f3e"
-  dependencies:
-    end-of-stream "^1.1.0"
-    once "^1.3.2"
-    process-nextick-args "^1.0.7"
-    stream-exhaust "^1.0.1"
-
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -1281,12 +1248,6 @@ async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
 
-async-settle@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async-settle/-/async-settle-1.0.0.tgz#1d0a914bb02575bec8a8f3a74e5080f72b2c0c6b"
-  dependencies:
-    async-done "^1.2.2"
-
 async@^2.1.4, async@^2.5.0, async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
@@ -1505,20 +1466,6 @@ babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
-bach@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/bach/-/bach-1.2.0.tgz#4b3ce96bf27134f79a1b414a51c14e34c3bd9880"
-  dependencies:
-    arr-filter "^1.1.1"
-    arr-flatten "^1.0.1"
-    arr-map "^2.0.0"
-    array-each "^1.0.0"
-    array-initial "^1.0.0"
-    array-last "^1.1.1"
-    async-done "^1.2.2"
-    async-settle "^1.0.0"
-    now-and-later "^2.0.0"
-
 bail@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/bail/-/bail-1.0.3.tgz#63cfb9ddbac829b02a3128cd53224be78e6c21a3"
@@ -1549,6 +1496,10 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+beeper@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/beeper/-/beeper-1.1.1.tgz#e6d5ea8c5dad001304a70b22638447f69cb2f809"
+
 big.js@^3.1.3:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
@@ -1581,7 +1532,7 @@ boxen@^1.2.1:
     term-size "^1.2.0"
     widest-line "^2.0.0"
 
-brace-expansion@^1.1.7:
+brace-expansion@^1.0.0, brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
   dependencies:
@@ -1692,10 +1643,6 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
-buffer-equal@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
-
 buffer-from@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
@@ -1809,10 +1756,6 @@ camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
 
-camelcase@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
-
 camelcase@^4.0.0, camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -1924,7 +1867,7 @@ cheerio@^1.0.0-rc.2:
     lodash "^4.15.0"
     parse5 "^3.0.1"
 
-chokidar@^2.0.0, chokidar@^2.0.2:
+chokidar@^2.0.2:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.0.4.tgz#356ff4e2b0e8e43e322d18a372460bbcf3accd26"
   dependencies:
@@ -2019,14 +1962,6 @@ 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"
-
 cliui@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
@@ -2035,10 +1970,6 @@ cliui@^4.0.0:
     strip-ansi "^4.0.0"
     wrap-ansi "^2.0.0"
 
-clone-buffer@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
-
 clone-regexp@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/clone-regexp/-/clone-regexp-1.0.1.tgz#051805cd33173375d82118fc0918606da39fd60f"
@@ -2046,21 +1977,21 @@ clone-regexp@^1.0.0:
     is-regexp "^1.0.0"
     is-supported-regexp-flag "^1.0.0"
 
-clone-stats@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
+clone-stats@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-0.0.1.tgz#b88f94a82cf38b8791d58046ea4029ad88ca99d1"
 
 clone@2.x, clone@^2.1.1, clone@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
 
-cloneable-readable@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.2.tgz#d591dee4a8f8bc15da43ce97dceeba13d43e2a65"
-  dependencies:
-    inherits "^2.0.1"
-    process-nextick-args "^2.0.0"
-    readable-stream "^2.3.5"
+clone@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
+
+clone@^1.0.0, 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"
@@ -2084,14 +2015,6 @@ collapse-white-space@^1.0.2:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/collapse-white-space/-/collapse-white-space-1.0.4.tgz#ce05cf49e54c3277ae573036a26851ba430a0091"
 
-collection-map@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/collection-map/-/collection-map-1.0.0.tgz#aea0f06f8d26c780c2b75494385544b2255af18c"
-  dependencies:
-    arr-map "^2.0.2"
-    for-own "^1.0.0"
-    make-iterator "^1.0.0"
-
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
@@ -2139,7 +2062,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@^1.5.0, concat-stream@^1.6.0:
+concat-stream@^1.5.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   dependencies:
@@ -2234,13 +2157,6 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
-copy-props@^2.0.1:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.4.tgz#93bb1cadfafd31da5bb8a9d4b41f471ec3a72dfe"
-  dependencies:
-    each-props "^1.3.0"
-    is-plain-object "^2.0.1"
-
 core-js@^2.4.0, core-js@^2.5.0, core-js@^2.5.7:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.0.tgz#1e30793e9ee5782b307e37ffa22da0eacddd84d4"
@@ -2464,6 +2380,10 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
+dateformat@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.2.0.tgz#4065e2013cf9fb916ddfd82efb506ad4c6769062"
+
 de-indent@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/de-indent/-/de-indent-1.0.2.tgz#b2038e846dc33baa5796128d0804b455b8c1e21d"
@@ -2529,21 +2449,17 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
-default-compare@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/default-compare/-/default-compare-1.0.0.tgz#cb61131844ad84d84788fb68fd01681ca7781a2f"
-  dependencies:
-    kind-of "^5.0.2"
-
 default-require-extensions@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
   dependencies:
     strip-bom "^2.0.0"
 
-default-resolution@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
+defaults@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+  dependencies:
+    clone "^1.0.2"
 
 define-properties@^1.1.2:
   version "1.1.3"
@@ -2602,6 +2518,10 @@ dependency-tree@^6.3.0:
     filing-cabinet "^2.1.0"
     precinct "^5.1.0"
 
+deprecated@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
+
 des.js@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
@@ -2803,6 +2723,12 @@ dot-prop@^4.1.0, dot-prop@^4.1.1:
   dependencies:
     is-obj "^1.0.0"
 
+duplexer2@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
+  dependencies:
+    readable-stream "~1.1.9"
+
 duplexer3@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
@@ -2816,13 +2742,6 @@ duplexify@^3.4.2, duplexify@^3.6.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
-each-props@^1.3.0:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
-  dependencies:
-    is-plain-object "^2.0.1"
-    object.defaults "^1.1.0"
-
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
@@ -2879,6 +2798,12 @@ end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   dependencies:
     once "^1.4.0"
 
+end-of-stream@~0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
+  dependencies:
+    once "~1.3.0"
+
 enhanced-resolve@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz#41c7e0bfdfe74ac1ffe1e57ad6a5c6c9f3742a7f"
@@ -2925,7 +2850,7 @@ es-to-primitive@^1.1.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
+es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.46"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.46.tgz#efd99f67c5a7ec789baa3daa7f79870388f7f572"
   dependencies:
@@ -2933,7 +2858,7 @@ es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
     es6-symbol "~3.1.1"
     next-tick "1"
 
-es6-iterator@^2.0.1, es6-iterator@~2.0.3:
+es6-iterator@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
   dependencies:
@@ -2948,15 +2873,6 @@ es6-symbol@^3.1.1, es6-symbol@~3.1.1:
     d "1"
     es5-ext "~0.10.14"
 
-es6-weak-map@^2.0.1:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
-  dependencies:
-    d "1"
-    es5-ext "^0.10.14"
-    es6-iterator "^2.0.1"
-    es6-symbol "^3.1.1"
-
 escape-html@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -3311,7 +3227,7 @@ extsprintf@^1.2.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
 
-fancy-log@^1.3.2:
+fancy-log@^1.1.0, fancy-log@^1.3.2:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
   dependencies:
@@ -3343,13 +3259,6 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
-fast-vue-md-loader@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/fast-vue-md-loader/-/fast-vue-md-loader-1.0.3.tgz#ba1584bd1e2d012575cb2b3260d0c8fe4c1b7fa4"
-  dependencies:
-    highlight.js "^9.12.0"
-    markdown-it "^8.4.0"
-
 fastparse@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.2.tgz#91728c5a5942eced8531283c79441ee4122c35a9"
@@ -3477,6 +3386,10 @@ find-cache-dir@^2.0.0:
     make-dir "^1.0.0"
     pkg-dir "^3.0.0"
 
+find-index@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
+
 find-parent-dir@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/find-parent-dir/-/find-parent-dir-0.3.0.tgz#33c44b429ab2b2f0646299c5f9f718f376ff8d54"
@@ -3525,6 +3438,10 @@ fined@^1.0.1:
     object.pick "^1.2.0"
     parse-filepath "^1.0.1"
 
+first-chunk-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/first-chunk-stream/-/first-chunk-stream-1.0.0.tgz#59bfb50cd905f60d7c394cd3d9acaab4e6ad934e"
+
 flagged-respawn@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-1.0.1.tgz#e7de6f1279ddd9ca9aac8a5971d618606b3aab41"
@@ -3542,7 +3459,7 @@ flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
-flush-write-stream@^1.0.0, flush-write-stream@^1.0.2:
+flush-write-stream@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.3.tgz#c5d586ef38af6097650b49bc41b55fabb19f35bd"
   dependencies:
@@ -3624,13 +3541,6 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.2.1"
 
-fs-mkdirp-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
-  dependencies:
-    graceful-fs "^4.1.11"
-    through2 "^2.0.3"
-
 fs-write-stream-atomic@^1.0.8:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
@@ -3680,6 +3590,12 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gaze@^0.5.1:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/gaze/-/gaze-0.5.2.tgz#40b709537d24d1d45767db5a908689dfe69ac44f"
+  dependencies:
+    globule "~0.1.0"
+
 get-amd-module-type@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-amd-module-type/-/get-amd-module-type-3.0.0.tgz#bb334662fa04427018c937774570de495845c288"
@@ -3756,35 +3672,41 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob-stream@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-6.1.0.tgz#7045c99413b3eb94888d83ab46d0b404cc7bdde4"
+glob-stream@^3.1.5:
+  version "3.1.18"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-3.1.18.tgz#9170a5f12b790306fdfe598f313f8f7954fd143b"
   dependencies:
-    extend "^3.0.0"
-    glob "^7.1.1"
-    glob-parent "^3.1.0"
-    is-negated-glob "^1.0.0"
-    ordered-read-streams "^1.0.0"
-    pumpify "^1.3.5"
-    readable-stream "^2.1.5"
-    remove-trailing-separator "^1.0.1"
-    to-absolute-glob "^2.0.0"
-    unique-stream "^2.0.2"
+    glob "^4.3.1"
+    glob2base "^0.0.12"
+    minimatch "^2.0.1"
+    ordered-read-streams "^0.1.0"
+    through2 "^0.6.1"
+    unique-stream "^1.0.0"
 
 glob-to-regexp@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-to-regexp/-/glob-to-regexp-0.3.0.tgz#8c5a1494d2066c570cc3bfe4496175acc4d502ab"
 
-glob-watcher@^5.0.0:
-  version "5.0.3"
-  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.3.tgz#88a8abf1c4d131eb93928994bc4a593c2e5dd626"
+glob-watcher@^0.0.6:
+  version "0.0.6"
+  resolved "http://registry.npmjs.org/glob-watcher/-/glob-watcher-0.0.6.tgz#b95b4a8df74b39c83298b0c05c978b4d9a3b710b"
   dependencies:
-    anymatch "^2.0.0"
-    async-done "^1.2.0"
-    chokidar "^2.0.0"
-    is-negated-glob "^1.0.0"
-    just-debounce "^1.0.0"
-    object.defaults "^1.1.0"
+    gaze "^0.5.1"
+
+glob2base@^0.0.12:
+  version "0.0.12"
+  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
+  dependencies:
+    find-index "^0.1.1"
+
+glob@^4.3.1:
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^2.0.1"
+    once "^1.3.0"
 
 glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3:
   version "7.1.3"
@@ -3797,6 +3719,14 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@~3.1.21:
+  version "3.1.21"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
+  dependencies:
+    graceful-fs "~1.2.0"
+    inherits "1"
+    minimatch "~0.2.11"
+
 global-dirs@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/global-dirs/-/global-dirs-0.1.1.tgz#b319c0dd4607f353f3be9cca4c72fc148c49f445"
@@ -3859,6 +3789,14 @@ globjoin@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/globjoin/-/globjoin-0.1.4.tgz#2f4494ac8919e3767c5cbb691e9f463324285d43"
 
+globule@~0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/globule/-/globule-0.1.0.tgz#d9c8edde1da79d125a151b79533b978676346ae5"
+  dependencies:
+    glob "~3.1.21"
+    lodash "~1.0.1"
+    minimatch "~0.2.11"
+
 glogg@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.2.tgz#2d7dd702beda22eb3bffadf880696da6d846313f"
@@ -3887,37 +3825,24 @@ got@^6.7.1:
     unzip-response "^2.0.1"
     url-parse-lax "^1.0.0"
 
-graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^3.0.0:
+  version "3.0.11"
+  resolved "http://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
+  dependencies:
+    natives "^1.1.0"
+
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
 
+graceful-fs@~1.2.0:
+  version "1.2.3"
+  resolved "http://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
+
 growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
-gulp-cli@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.0.1.tgz#7847e220cb3662f2be8a6d572bf14e17be5a994b"
-  dependencies:
-    ansi-colors "^1.0.1"
-    archy "^1.0.0"
-    array-sort "^1.0.0"
-    color-support "^1.1.3"
-    concat-stream "^1.6.0"
-    copy-props "^2.0.1"
-    fancy-log "^1.3.2"
-    gulplog "^1.0.0"
-    interpret "^1.1.0"
-    isobject "^3.0.1"
-    liftoff "^2.5.0"
-    matchdep "^2.0.0"
-    mute-stdout "^1.0.0"
-    pretty-hrtime "^1.0.0"
-    replace-homedir "^1.0.0"
-    semver-greatest-satisfied-range "^1.1.0"
-    v8flags "^3.0.1"
-    yargs "^7.1.0"
-
 gulp-csso@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/gulp-csso/-/gulp-csso-3.0.1.tgz#3c160364491e32f2ecefd5d531cf7724f1afb7f0"
@@ -3948,14 +3873,46 @@ gulp-postcss@^8.0.0:
     postcss-load-config "^2.0.0"
     vinyl-sourcemaps-apply "^0.2.1"
 
-gulp@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.0.tgz#95766c601dade4a77ed3e7b2b6dc03881b596366"
+gulp-util@^3.0.0:
+  version "3.0.8"
+  resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
   dependencies:
-    glob-watcher "^5.0.0"
-    gulp-cli "^2.0.0"
-    undertaker "^1.0.0"
-    vinyl-fs "^3.0.0"
+    array-differ "^1.0.0"
+    array-uniq "^1.0.2"
+    beeper "^1.0.0"
+    chalk "^1.0.0"
+    dateformat "^2.0.0"
+    fancy-log "^1.1.0"
+    gulplog "^1.0.0"
+    has-gulplog "^0.1.0"
+    lodash._reescape "^3.0.0"
+    lodash._reevaluate "^3.0.0"
+    lodash._reinterpolate "^3.0.0"
+    lodash.template "^3.0.0"
+    minimist "^1.1.0"
+    multipipe "^0.1.2"
+    object-assign "^3.0.0"
+    replace-ext "0.0.1"
+    through2 "^2.0.0"
+    vinyl "^0.5.0"
+
+gulp@3.9.1:
+  version "3.9.1"
+  resolved "http://registry.npmjs.org/gulp/-/gulp-3.9.1.tgz#571ce45928dd40af6514fc4011866016c13845b4"
+  dependencies:
+    archy "^1.0.0"
+    chalk "^1.0.0"
+    deprecated "^0.0.1"
+    gulp-util "^3.0.0"
+    interpret "^1.0.0"
+    liftoff "^2.1.0"
+    minimist "^1.1.0"
+    orchestrator "^0.3.0"
+    pretty-hrtime "^1.0.0"
+    semver "^4.1.0"
+    tildify "^1.0.0"
+    v8flags "^2.0.2"
+    vinyl-fs "^0.3.0"
 
 gulplog@^1.0.0:
   version "1.0.0"
@@ -3998,6 +3955,12 @@ has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
 
+has-gulplog@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/has-gulplog/-/has-gulplog-0.1.0.tgz#6414c82913697da51590397dafb12f22967811ce"
+  dependencies:
+    sparkles "^1.0.0"
+
 has-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
@@ -4318,6 +4281,10 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
+inherits@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
+
 inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
@@ -4551,10 +4518,6 @@ is-installed-globally@^0.1.0:
     global-dirs "^0.1.0"
     is-path-inside "^1.0.0"
 
-is-negated-glob@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
-
 is-npm@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-npm/-/is-npm-1.0.0.tgz#f2fb63a65e4905b406c86072765a1a4dc793b9f4"
@@ -4679,14 +4642,10 @@ is-url@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.4.tgz#04a4df46d28c4cff3d73d01ff06abeb318a1aa52"
 
-is-utf8@^0.2.0, is-utf8@^0.2.1:
+is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
-is-valid-glob@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
-
 is-whitespace-character@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-whitespace-character/-/is-whitespace-character-1.0.2.tgz#ede53b4c6f6fb3874533751ec9280d01928d03ed"
@@ -5184,12 +5143,6 @@ json-stable-stringify-without-jsonify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
 
-json-stable-stringify@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
-  dependencies:
-    jsonify "~0.0.0"
-
 json-stringify-safe@^5.0.1, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -5210,10 +5163,6 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-jsonify@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
-
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -5223,10 +5172,6 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
-just-debounce@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/just-debounce/-/just-debounce-1.0.0.tgz#87fccfaeffc0b68cd19d55f6722943f929ea35ea"
-
 keygrip@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.0.3.tgz#399d709f0aed2bab0a059e0cdd3a5023a053e1dc"
@@ -5251,7 +5196,7 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
-kind-of@^5.0.0, kind-of@^5.0.2:
+kind-of@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
 
@@ -5329,13 +5274,6 @@ koa@^2.4.1:
     type-is "^1.6.16"
     vary "^1.1.2"
 
-last-run@^1.1.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
-  dependencies:
-    default-resolution "^2.0.0"
-    es6-weak-map "^2.0.1"
-
 latest-version@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-3.1.0.tgz#a205383fea322b33b5ae3b18abee0dc2f356ee15"
@@ -5346,12 +5284,6 @@ lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
 
-lazystream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/lazystream/-/lazystream-1.0.0.tgz#f6995fe0f820392f61396be89462407bb77168e4"
-  dependencies:
-    readable-stream "^2.0.5"
-
 lcid@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
@@ -5364,12 +5296,6 @@ lcid@^2.0.0:
   dependencies:
     invert-kv "^2.0.0"
 
-lead@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/lead/-/lead-1.0.0.tgz#6f14f99a37be3a9dd784f5495690e5903466ee42"
-  dependencies:
-    flush-write-stream "^1.0.2"
-
 left-pad@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
@@ -5408,7 +5334,7 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-liftoff@^2.5.0:
+liftoff@^2.1.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
   dependencies:
@@ -5560,10 +5486,42 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash._reinterpolate@~3.0.0:
+lodash._basecopy@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
+
+lodash._basetostring@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz#d1861d877f824a52f669832dcaf3ee15566a07d5"
+
+lodash._basevalues@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz#5b775762802bde3d3297503e26300820fdf661b7"
+
+lodash._getnative@^3.0.0:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
+
+lodash._isiterateecall@^3.0.0:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
+
+lodash._reescape@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reescape/-/lodash._reescape-3.0.0.tgz#2b1d6f5dfe07c8a355753e5f27fac7f1cde1616a"
+
+lodash._reevaluate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reevaluate/-/lodash._reevaluate-3.0.0.tgz#58bc74c40664953ae0b124d806996daca431e2ed"
+
+lodash._reinterpolate@^3.0.0, lodash._reinterpolate@~3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
 
+lodash._root@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
+
 lodash.assignin@^4.0.9:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.assignin/-/lodash.assignin-4.2.0.tgz#ba8df5fb841eb0a3e8044232b0e263a8dc6a28a2"
@@ -5584,6 +5542,12 @@ lodash.defaults@^4.0.1:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/lodash.defaults/-/lodash.defaults-4.2.0.tgz#d09178716ffea4dde9e5fb7b37f6f0802274580c"
 
+lodash.escape@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.escape/-/lodash.escape-3.2.0.tgz#995ee0dc18c1b48cc92effae71a10aab5b487698"
+  dependencies:
+    lodash._root "^3.0.0"
+
 lodash.filter@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.filter/-/lodash.filter-4.6.0.tgz#668b1d4981603ae1cc5a6fa760143e480b4c4ace"
@@ -5596,6 +5560,22 @@ lodash.foreach@^4.3.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.foreach/-/lodash.foreach-4.5.0.tgz#1a6a35eace401280c7f06dddec35165ab27e3e53"
 
+lodash.isarguments@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
+
+lodash.isarray@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
+
+lodash.keys@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
+  dependencies:
+    lodash._getnative "^3.0.0"
+    lodash.isarguments "^3.0.0"
+    lodash.isarray "^3.0.0"
+
 lodash.map@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.map/-/lodash.map-4.6.0.tgz#771ec7839e3473d9c4cde28b19394c3562f4f6d3"
@@ -5620,6 +5600,10 @@ lodash.reject@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.reject/-/lodash.reject-4.6.0.tgz#80d6492dc1470864bbf583533b651f42a9f52415"
 
+lodash.restparam@^3.0.0:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
+
 lodash.some@^4.4.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/lodash.some/-/lodash.some-4.6.0.tgz#1bb9f314ef6b8baded13b549169b2a945eb68e4d"
@@ -5628,6 +5612,20 @@ lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
 
+lodash.template@^3.0.0:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-3.6.2.tgz#f8cdecc6169a255be9098ae8b0c53d378931d14f"
+  dependencies:
+    lodash._basecopy "^3.0.0"
+    lodash._basetostring "^3.0.0"
+    lodash._basevalues "^3.0.0"
+    lodash._isiterateecall "^3.0.0"
+    lodash._reinterpolate "^3.0.0"
+    lodash.escape "^3.0.0"
+    lodash.keys "^3.0.0"
+    lodash.restparam "^3.0.0"
+    lodash.templatesettings "^3.0.0"
+
 lodash.template@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.4.0.tgz#e73a0385c8355591746e020b99679c690e68fba0"
@@ -5635,6 +5633,13 @@ lodash.template@^4.4.0:
     lodash._reinterpolate "~3.0.0"
     lodash.templatesettings "^4.0.0"
 
+lodash.templatesettings@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz#fb307844753b66b9f1afa54e262c745307dba8e5"
+  dependencies:
+    lodash._reinterpolate "^3.0.0"
+    lodash.escape "^3.0.0"
+
 lodash.templatesettings@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-4.1.0.tgz#2b4d4e95ba440d915ff08bc899e4553666713316"
@@ -5653,6 +5658,10 @@ lodash@4.x, lodash@^4.13.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.11, lo
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
+lodash@~1.0.1:
+  version "1.0.2"
+  resolved "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
+
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
@@ -5709,6 +5718,10 @@ lowercase-keys@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
 
+lru-cache@2:
+  version "2.7.3"
+  resolved "http://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
+
 lru-cache@^4.0.1, lru-cache@^4.1.2, lru-cache@^4.1.3:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.5.tgz#8bbe50ea85bed59bc9e33dcab8235ee9bcf443cd"
@@ -5780,15 +5793,6 @@ markdown-vetur@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/markdown-vetur/-/markdown-vetur-0.0.5.tgz#293e23e21e2bd937b3e61dd848bccea8bfc6f27f"
 
-matchdep@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
-  dependencies:
-    findup-sync "^2.0.0"
-    micromatch "^3.0.4"
-    resolve "^1.4.0"
-    stack-trace "0.0.10"
-
 matcher@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/matcher/-/matcher-1.1.1.tgz#51d8301e138f840982b338b116bb0c09af62c1c2"
@@ -5974,12 +5978,25 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
 
+minimatch@^2.0.1:
+  version "2.0.10"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-2.0.10.tgz#8d087c39c6b38c001b97fca7ce6d0e1e80afbac7"
+  dependencies:
+    brace-expansion "^1.0.0"
+
 minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
     brace-expansion "^1.1.7"
 
+minimatch@~0.2.11:
+  version "0.2.14"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
+  dependencies:
+    lru-cache "2"
+    sigmund "~1.0.0"
+
 minimist-options@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/minimist-options/-/minimist-options-3.0.2.tgz#fba4c8191339e13ecf4d61beb03f070103f3d954"
@@ -5995,7 +6012,7 @@ minimist@1.1.x:
   version "1.1.3"
   resolved "http://registry.npmjs.org/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
 
-minimist@^1.1.1, minimist@^1.2.0:
+minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
   resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -6081,9 +6098,11 @@ ms@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
 
-mute-stdout@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.1.tgz#acb0300eb4de23a7ddeec014e3e96044b3472331"
+multipipe@^0.1.2:
+  version "0.1.2"
+  resolved "http://registry.npmjs.org/multipipe/-/multipipe-0.1.2.tgz#2a8f2ddf70eed564dff2d57f1e1a137d9f05078b"
+  dependencies:
+    duplexer2 "0.0.2"
 
 mute-stream@0.0.7:
   version "0.0.7"
@@ -6142,6 +6161,10 @@ nanotiming@^7.2.0:
     nanoassert "^1.1.0"
     nanoscheduler "^1.0.2"
 
+natives@^1.1.0:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -6294,12 +6317,6 @@ normalize-url@^1.0.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
-now-and-later@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.0.tgz#bc61cbb456d79cb32207ce47ca05136ff2e7d6ee"
-  dependencies:
-    once "^1.3.2"
-
 npm-bundled@^1.0.1:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.5.tgz#3c1732b7ba936b3a10325aef616467c0ccbcc979"
@@ -6366,6 +6383,10 @@ oauth-sign@~0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
 
+object-assign@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
+
 object-assign@^4.0.1, object-assign@^4.1.0, object-assign@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -6388,7 +6409,7 @@ object-visit@^1.0.0:
   dependencies:
     isobject "^3.0.0"
 
-object.assign@^4.0.1, object.assign@^4.0.4, object.assign@^4.1.0:
+object.assign@^4.0.1, object.assign@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
   dependencies:
@@ -6397,7 +6418,7 @@ object.assign@^4.0.1, object.assign@^4.0.4, object.assign@^4.1.0:
     has-symbols "^1.0.0"
     object-keys "^1.0.11"
 
-object.defaults@^1.0.0, object.defaults@^1.1.0:
+object.defaults@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
   dependencies:
@@ -6442,25 +6463,24 @@ object.pick@^1.2.0, object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
-object.reduce@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/object.reduce/-/object.reduce-1.0.1.tgz#6fe348f2ac7fa0f95ca621226599096825bb03ad"
-  dependencies:
-    for-own "^1.0.0"
-    make-iterator "^1.0.0"
-
 on-finished@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.0, once@^1.3.1, once@^1.3.2, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
     wrappy "1"
 
+once@~1.3.0:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
+  dependencies:
+    wrappy "1"
+
 onetime@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
@@ -6495,11 +6515,17 @@ optionator@^0.8.1, optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-ordered-read-streams@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz#77c0cb37c41525d64166d990ffad7ec6a0e1363e"
+orchestrator@^0.3.0:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/orchestrator/-/orchestrator-0.3.8.tgz#14e7e9e2764f7315fbac184e506c7aa6df94ad7e"
   dependencies:
-    readable-stream "^2.0.1"
+    end-of-stream "~0.1.5"
+    sequencify "~0.0.7"
+    stream-consume "~0.1.0"
+
+ordered-read-streams@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
 
 os-browserify@^0.3.0:
   version "0.3.0"
@@ -6509,12 +6535,6 @@ os-homedir@^1.0.0:
   version "1.0.2"
   resolved "http://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
-os-locale@^1.4.0:
-  version "1.4.0"
-  resolved "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
-  dependencies:
-    lcid "^1.0.0"
-
 os-locale@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
@@ -7086,11 +7106,7 @@ private@^0.1.6, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
-process-nextick-args@^1.0.7:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
-
-process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
+process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
 
@@ -7172,7 +7188,7 @@ pump@^3.0.0:
     end-of-stream "^1.1.0"
     once "^1.3.1"
 
-pumpify@^1.3.3, pumpify@^1.3.5:
+pumpify@^1.3.3:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
   dependencies:
@@ -7302,7 +7318,7 @@ read-pkg@^4.0.1:
     parse-json "^4.0.0"
     pify "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -7314,7 +7330,7 @@ read-pkg@^4.0.1:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
-readable-stream@1.0:
+readable-stream@1.0, "readable-stream@>=1.0.33-1 <1.1.0-0":
   version "1.0.34"
   resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
@@ -7331,6 +7347,15 @@ readable-stream@^3.0.6:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
+readable-stream@~1.1.9:
+  version "1.1.14"
+  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 readdirp@^2.0.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -7506,22 +7531,7 @@ remove-array-items@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/remove-array-items/-/remove-array-items-1.1.1.tgz#fd745ff73d0822e561ea910bf1b401fc7843e693"
 
-remove-bom-buffer@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz#c2bf1e377520d324f623892e33c10cac2c252b53"
-  dependencies:
-    is-buffer "^1.1.5"
-    is-utf8 "^0.2.1"
-
-remove-bom-stream@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz#05f1a593f16e42e1fb90ebf59de8e569525f9523"
-  dependencies:
-    remove-bom-buffer "^3.0.0"
-    safe-buffer "^5.1.0"
-    through2 "^2.0.3"
-
-remove-trailing-separator@^1.0.1, remove-trailing-separator@^1.1.0:
+remove-trailing-separator@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
 
@@ -7549,18 +7559,14 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
+replace-ext@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
+
 replace-ext@1.0.0, replace-ext@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
 
-replace-homedir@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/replace-homedir/-/replace-homedir-1.0.0.tgz#e87f6d513b928dde808260c12be7fec6ff6e798c"
-  dependencies:
-    homedir-polyfill "^1.0.1"
-    is-absolute "^1.0.0"
-    remove-trailing-separator "^1.1.0"
-
 request-promise-core@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.1.tgz#3eee00b2c5aa83239cfb04c5700da36f81cd08b6"
@@ -7660,12 +7666,6 @@ resolve-from@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
 
-resolve-options@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/resolve-options/-/resolve-options-1.1.0.tgz#32bb9e39c06d67338dc9378c0d6d6074566ad131"
-  dependencies:
-    value-or-function "^3.0.0"
-
 resolve-path@^1.3.3:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/resolve-path/-/resolve-path-1.4.0.tgz#c4bda9f5efb2fce65247873ab36bb4d834fe16f7"
@@ -7681,7 +7681,7 @@ resolve@1.1.7:
   version "1.1.7"
   resolved "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-resolve@^1.1.6, resolve@^1.1.7, resolve@^1.2.0, resolve@^1.3.2, resolve@^1.4.0, resolve@^1.5.0, resolve@^1.6.0, resolve@^1.8.1:
+resolve@^1.1.6, resolve@^1.1.7, resolve@^1.2.0, resolve@^1.3.2, resolve@^1.5.0, resolve@^1.6.0, resolve@^1.8.1:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.8.1.tgz#82f1ec19a423ac1fbd080b0bab06ba36e84a7a26"
   dependencies:
@@ -7807,12 +7807,6 @@ semver-diff@^2.0.0:
   dependencies:
     semver "^5.0.3"
 
-semver-greatest-satisfied-range@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz#13e8c2658ab9691cb0cd71093240280d36f77a5b"
-  dependencies:
-    sver-compat "^1.5.0"
-
 "semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
   version "5.6.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.6.0.tgz#7e74256fbaa49c75aa7c7a205cc22799cac80004"
@@ -7821,6 +7815,14 @@ semver@5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
+semver@^4.1.0:
+  version "4.3.6"
+  resolved "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+
+sequencify@~0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
+
 serialize-javascript@^1.3.0, serialize-javascript@^1.4.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.5.0.tgz#1aa336162c88a890ddad5384baebc93a655161fe"
@@ -7884,7 +7886,7 @@ shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
-sigmund@^1.0.1:
+sigmund@^1.0.1, sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
 
@@ -8066,10 +8068,6 @@ ssri@^6.0.0:
   dependencies:
     figgy-pudding "^3.5.1"
 
-stack-trace@0.0.10:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
-
 stack-utils@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-1.0.2.tgz#33eba3897788558bebfc2db059dc158ec36cebb8"
@@ -8104,6 +8102,10 @@ stream-browserify@^2.0.1:
     inherits "~2.0.1"
     readable-stream "^2.0.2"
 
+stream-consume@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
+
 stream-each@^1.1.0:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.3.tgz#ebe27a0c389b04fbcc233642952e10731afa9bae"
@@ -8111,10 +8113,6 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
-stream-exhaust@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
-
 stream-http@^2.7.2:
   version "2.8.3"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.3.tgz#b2d242469288a5a27ec4fe8933acf623de6514fc"
@@ -8144,7 +8142,7 @@ string-length@^2.0.0:
     astral-regex "^1.0.0"
     strip-ansi "^4.0.0"
 
-string-width@^1.0.1, string-width@^1.0.2:
+string-width@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
   dependencies:
@@ -8214,6 +8212,13 @@ strip-bom@3.0.0, strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
+strip-bom@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
+  dependencies:
+    first-chunk-stream "^1.0.0"
+    is-utf8 "^0.2.0"
+
 strip-bom@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
@@ -8345,13 +8350,6 @@ supports-color@^5.3.0, supports-color@^5.4.0, supports-color@^5.5.0:
   dependencies:
     has-flag "^3.0.0"
 
-sver-compat@^1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/sver-compat/-/sver-compat-1.5.0.tgz#3cf87dfeb4d07b4a3f14827bc186b3fd0c645cd8"
-  dependencies:
-    es6-iterator "^2.0.1"
-    es6-symbol "^3.1.1"
-
 svg-tags@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/svg-tags/-/svg-tags-1.0.0.tgz#58f71cee3bd519b59d4b2a843b6c7de64ac04764"
@@ -8446,14 +8444,14 @@ throat@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
 
-through2-filter@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/through2-filter/-/through2-filter-2.0.0.tgz#60bc55a0dacb76085db1f9dae99ab43f83d622ec"
+through2@^0.6.1:
+  version "0.6.5"
+  resolved "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
   dependencies:
-    through2 "~2.0.0"
-    xtend "~4.0.0"
+    readable-stream ">=1.0.33-1 <1.1.0-0"
+    xtend ">=4.0.0 <4.1.0-0"
 
-through2@^2.0.0, through2@^2.0.3, through2@~2.0.0:
+through2@^2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
   dependencies:
@@ -8464,6 +8462,12 @@ through@^2.3.6:
   version "2.3.8"
   resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
+tildify@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/tildify/-/tildify-1.2.0.tgz#dcec03f55dca9b7aa3e5b04f21817eb56e63588a"
+  dependencies:
+    os-homedir "^1.0.0"
+
 time-fix-plugin@^2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/time-fix-plugin/-/time-fix-plugin-2.0.5.tgz#41c76e734217cc91a08ea525fdde56de119fb683"
@@ -8492,13 +8496,6 @@ tmpl@1.0.x:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
 
-to-absolute-glob@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
-  dependencies:
-    is-absolute "^1.0.0"
-    is-negated-glob "^1.0.0"
-
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
@@ -8533,12 +8530,6 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-to-through@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/to-through/-/to-through-2.0.0.tgz#fc92adaba072647bc0b67d6b03664aa195093af6"
-  dependencies:
-    through2 "^2.0.3"
-
 toidentifier@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
@@ -8680,24 +8671,6 @@ unc-path-regex@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
 
-undertaker-registry@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
-
-undertaker@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.2.0.tgz#339da4646252d082dc378e708067299750e11b49"
-  dependencies:
-    arr-flatten "^1.0.1"
-    arr-map "^2.0.0"
-    bach "^1.0.0"
-    collection-map "^1.0.0"
-    es6-weak-map "^2.0.1"
-    last-run "^1.1.0"
-    object.defaults "^1.0.0"
-    object.reduce "^1.0.0"
-    undertaker-registry "^1.0.0"
-
 unherit@^1.0.4:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/unherit/-/unherit-1.1.1.tgz#132748da3e88eab767e08fabfbb89c5e9d28628c"
@@ -8760,12 +8733,9 @@ unique-slug@^2.0.0:
   dependencies:
     imurmurhash "^0.1.4"
 
-unique-stream@^2.0.2:
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.2.1.tgz#5aa003cfbe94c5ff866c4e7d668bb1c4dbadb369"
-  dependencies:
-    json-stable-stringify "^1.0.0"
-    through2-filter "^2.0.0"
+unique-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-1.0.0.tgz#d59a4a75427447d9aa6c91e70263f8d26a4b104b"
 
 unique-string@^1.0.0:
   version "1.0.0"
@@ -8892,6 +8862,10 @@ use@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
 
+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+
 util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
@@ -8927,11 +8901,11 @@ v8-compile-cache@^2.0.0, v8-compile-cache@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.0.2.tgz#a428b28bb26790734c4fc8bc9fa106fccebf6a6c"
 
-v8flags@^3.0.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.1.1.tgz#42259a1461c08397e37fe1d4f1cfb59cad85a053"
+v8flags@^2.0.2:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
   dependencies:
-    homedir-polyfill "^1.0.1"
+    user-home "^1.1.1"
 
 validate-npm-package-license@^3.0.1:
   version "3.0.4"
@@ -8940,10 +8914,6 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
-value-or-function@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/value-or-function/-/value-or-function-3.0.0.tgz#1c243a50b595c1be54a754bfece8563b9ff8d813"
-
 vary@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
@@ -8975,39 +8945,18 @@ vfile@^2.0.0:
     unist-util-stringify-position "^1.0.0"
     vfile-message "^1.0.0"
 
-vinyl-fs@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"
+vinyl-fs@^0.3.0:
+  version "0.3.14"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
   dependencies:
-    fs-mkdirp-stream "^1.0.0"
-    glob-stream "^6.1.0"
-    graceful-fs "^4.0.0"
-    is-valid-glob "^1.0.0"
-    lazystream "^1.0.0"
-    lead "^1.0.0"
-    object.assign "^4.0.4"
-    pumpify "^1.3.5"
-    readable-stream "^2.3.3"
-    remove-bom-buffer "^3.0.0"
-    remove-bom-stream "^1.2.0"
-    resolve-options "^1.1.0"
-    through2 "^2.0.0"
-    to-through "^2.0.0"
-    value-or-function "^3.0.0"
-    vinyl "^2.0.0"
-    vinyl-sourcemap "^1.1.0"
-
-vinyl-sourcemap@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz#92a800593a38703a8cdb11d8b300ad4be63b3e16"
-  dependencies:
-    append-buffer "^1.0.2"
-    convert-source-map "^1.5.0"
-    graceful-fs "^4.1.6"
-    normalize-path "^2.1.1"
-    now-and-later "^2.0.0"
-    remove-bom-buffer "^3.0.0"
-    vinyl "^2.0.0"
+    defaults "^1.0.0"
+    glob-stream "^3.1.5"
+    glob-watcher "^0.0.6"
+    graceful-fs "^3.0.0"
+    mkdirp "^0.5.0"
+    strip-bom "^1.0.0"
+    through2 "^0.6.1"
+    vinyl "^0.4.0"
 
 vinyl-sourcemaps-apply@^0.2.0, vinyl-sourcemaps-apply@^0.2.1:
   version "0.2.1"
@@ -9015,16 +8964,20 @@ vinyl-sourcemaps-apply@^0.2.0, vinyl-sourcemaps-apply@^0.2.1:
   dependencies:
     source-map "^0.5.1"
 
-vinyl@^2.0.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-2.2.0.tgz#d85b07da96e458d25b2ffe19fece9f2caa13ed86"
+vinyl@^0.4.0:
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.4.6.tgz#2f356c87a550a255461f36bbeb2a5ba8bf784847"
   dependencies:
-    clone "^2.1.1"
-    clone-buffer "^1.0.0"
-    clone-stats "^1.0.0"
-    cloneable-readable "^1.0.0"
-    remove-trailing-separator "^1.0.1"
-    replace-ext "^1.0.0"
+    clone "^0.2.0"
+    clone-stats "^0.0.1"
+
+vinyl@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.5.3.tgz#b0455b38fc5e0cf30d4325132e461970c2091cde"
+  dependencies:
+    clone "^1.0.0"
+    clone-stats "^0.0.1"
+    replace-ext "0.0.1"
 
 vm-browserify@0.0.4:
   version "0.0.4"
@@ -9093,10 +9046,6 @@ vue-server-renderer@^2.5.17:
     serialize-javascript "^1.3.0"
     source-map "0.5.6"
 
-vue-sfc-compiler@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/vue-sfc-compiler/-/vue-sfc-compiler-0.1.3.tgz#765fc3c388c97a63122e424ba4ed544d5a2ca912"
-
 vue-style-loader@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-4.1.2.tgz#dedf349806f25ceb4e64f3ad7c0a44fba735fcf8"
@@ -9305,10 +9254,6 @@ when@^3.7.8:
   version "3.7.8"
   resolved "https://registry.yarnpkg.com/when/-/when-3.7.8.tgz#c7130b6a7ea04693e842cdc9e7a1f2aa39a39f82"
 
-which-module@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
-
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
@@ -9414,7 +9359,7 @@ xregexp@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/xregexp/-/xregexp-4.0.0.tgz#e698189de49dd2a18cc5687b05e17c8e43943020"
 
-xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.0, xtend@~4.0.1:
+"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
@@ -9447,12 +9392,6 @@ yargs-parser@^11.1.1:
     camelcase "^5.0.0"
     decamelize "^1.2.0"
 
-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-parser@^9.0.2:
   version "9.0.2"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
@@ -9493,24 +9432,6 @@ yargs@^12.0.2:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
 
-yargs@^7.1.0:
-  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 "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"