fix: temporary workaround for vuepress build

Author: haoqunjiang

package.json

@@ -68,6 +68,7 @@
     "prettier": ">= 1.13.0",
     "rimraf": "^3.0.2",
     "semver": "^7.3.4",
+    "stylus-loader": "^3.0.2",
     "typescript": "~4.1.2",
     "verdaccio": "^4.10.0",
     "vuepress": "^1.6.0",

packages/@vue/cli-service/package.json

@@ -112,6 +112,7 @@
     "fibers": ">= 3.1.1 <6.0.0",
     "sass": "^1.30.0",
     "sass-loader": "^8.0.2",
+    "stylus-loader": "^4.3.1",
     "vue": "^2.6.12",
     "vue-router": "^3.4.3",
     "vue-template-compiler": "^2.6.12",

yarn.lock

@@ -121,7 +121,7 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/core@^7.12.10":
+"@babel/core@^7.11.0", "@babel/core@^7.12.10":
   version "7.12.10"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.10.tgz#b79a2e1b9f70ed3d84bbfb6d8c4ef825f606bccd"
   integrity sha512-eTAlQKq65zHfkHZV0sIVODCPGVgoo1HdBlbSLi9CqOzuZanMv2ihzY+4paiKr1mH+XmYESMAmJ/dpZ68eN6d8w==
@@ -860,7 +860,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.10.4"
 
-"@babel/plugin-transform-runtime@^7.12.0":
+"@babel/plugin-transform-runtime@^7.11.0", "@babel/plugin-transform-runtime@^7.12.0":
   version "7.12.10"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-runtime/-/plugin-transform-runtime-7.12.10.tgz#af0fded4e846c4b37078e8e5d06deac6cd848562"
   integrity sha512-xOrUfzPxw7+WDm9igMgQCbO3cJKymX7dFdsgRr1eu9n3KjjyU4pptIXbXPseQDquw+W+RuJEJMHKHNsPNNm3CA==
@@ -1127,7 +1127,7 @@
     core-js "^2.6.5"
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@^7.10.0", "@babel/runtime@^7.11.2", "@babel/runtime@^7.3.4", "@babel/runtime@^7.5.4", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.10.0", "@babel/runtime@^7.11.0", "@babel/runtime@^7.11.2", "@babel/runtime@^7.3.4", "@babel/runtime@^7.5.4", "@babel/runtime@^7.8.4":
   version "7.12.5"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.12.5.tgz#410e7e487441e1b360c29be715d870d9b985882e"
   integrity sha512-plcc+hbExy3McchJCEQG3knOsuh3HH+Prx1P6cLIkET/0dLuQDEnrT+s27Axgc9bqfsmNUNHfscgMUdBpC9xfg==
@@ -3842,6 +3842,28 @@
     lodash.kebabcase "^4.1.1"
     svg-tags "^1.0.0"
 
+"@vue/babel-preset-app@^4.1.2":
+  version "4.5.9"
+  resolved "https://registry.yarnpkg.com/@vue/babel-preset-app/-/babel-preset-app-4.5.9.tgz#a4ef1830a21301e4f77d7cd4a04555d8a01eaf33"
+  integrity sha512-d2H4hFnJsGnZtJAAZIbo1dmQJ2SI1MYix1Tc9/etlnJtCDPRHeCNodCSeuLgDwnoAyT3unzyHmTtaO56KRDuOQ==
+  dependencies:
+    "@babel/core" "^7.11.0"
+    "@babel/helper-compilation-targets" "^7.9.6"
+    "@babel/helper-module-imports" "^7.8.3"
+    "@babel/plugin-proposal-class-properties" "^7.8.3"
+    "@babel/plugin-proposal-decorators" "^7.8.3"
+    "@babel/plugin-syntax-dynamic-import" "^7.8.3"
+    "@babel/plugin-syntax-jsx" "^7.8.3"
+    "@babel/plugin-transform-runtime" "^7.11.0"
+    "@babel/preset-env" "^7.11.0"
+    "@babel/runtime" "^7.11.0"
+    "@vue/babel-plugin-jsx" "^1.0.0-0"
+    "@vue/babel-preset-jsx" "^1.1.2"
+    babel-plugin-dynamic-import-node "^2.3.3"
+    core-js "^3.6.5"
+    core-js-compat "^3.6.5"
+    semver "^6.1.0"
+
 "@vue/babel-preset-jsx@^1.1.2":
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/@vue/babel-preset-jsx/-/babel-preset-jsx-1.2.4.tgz#92fea79db6f13b01e80d3a0099e2924bdcbe4e87"
@@ -7744,6 +7766,14 @@ copy-webpack-plugin@^6.4.0:
     serialize-javascript "^5.0.1"
     webpack-sources "^1.4.3"
 
+core-js-compat@^3.6.5, core-js-compat@^3.8.0, core-js-compat@^3.8.1:
+  version "3.8.1"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.8.1.tgz#8d1ddd341d660ba6194cbe0ce60f4c794c87a36e"
+  integrity sha512-a16TLmy9NVD1rkjUGbwuyWkiDoN0FDpAwrfLONvHFQx0D9k7J9y0srwMT8QP/Z6HE3MIFaVynEeYwZwPX1o5RQ==
+  dependencies:
+    browserslist "^4.15.0"
+    semver "7.0.0"
+
 core-js-compat@^3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.7.0.tgz#8479c5d3d672d83f1f5ab94cf353e57113e065ed"
@@ -7752,14 +7782,6 @@ core-js-compat@^3.7.0:
     browserslist "^4.14.6"
     semver "7.0.0"
 
-core-js-compat@^3.8.0, core-js-compat@^3.8.1:
-  version "3.8.1"
-  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.8.1.tgz#8d1ddd341d660ba6194cbe0ce60f4c794c87a36e"
-  integrity sha512-a16TLmy9NVD1rkjUGbwuyWkiDoN0FDpAwrfLONvHFQx0D9k7J9y0srwMT8QP/Z6HE3MIFaVynEeYwZwPX1o5RQ==
-  dependencies:
-    browserslist "^4.15.0"
-    semver "7.0.0"
-
 core-js@^2.4.0, core-js@^2.6.5:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
@@ -7770,7 +7792,7 @@ core-js@^3.0.1, core-js@^3.4.0, core-js@^3.6.4:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.7.0.tgz#b0a761a02488577afbf97179e4681bf49568520f"
   integrity sha512-NwS7fI5M5B85EwpWuIwJN4i/fbisQUwLwiSNUWeXlkAZ0sbBjLEvLvFLf1uzAUV66PcEPt4xCGCmOZSxVf3xzA==
 
-core-js@^3.8.1:
+core-js@^3.6.5, core-js@^3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.8.1.tgz#f51523668ac8a294d1285c3b9db44025fda66d47"
   integrity sha512-9Id2xHY1W7m8hCl8NkhQn5CufmF/WuR30BTRewvCXc1aZd3kMECwNZ69ndLbekKfakw9Rf2Xyc+QR6E7Gg+obg==
@@ -21759,7 +21781,7 @@ webidl-conversions@^6.1.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-6.1.0.tgz#9111b4d7ea80acd40f5270d666621afa78b69514"
   integrity sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==
 
-"webpack-4@npm:webpack@^4.44.2", webpack@^4.8.1:
+"webpack-4@npm:webpack@^4.44.2", webpack@^4.44.2, webpack@^4.8.1:
   version "4.44.2"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.44.2.tgz#6bfe2b0af055c8b2d1e90ed2cd9363f841266b72"
   integrity sha512-6KJVGlCxYdISyurpQ0IPTklv+DULv05rs2hseIXer6D7KrUicRDLFb4IUM1S6LUAKypPM/nSiVSuv8jHu1m3/Q==