diff --git a/commands/serve/package.json b/commands/serve/package.json
index 0e6f5306a7..0332c4671c 100644
--- a/commands/serve/package.json
+++ b/commands/serve/package.json
@@ -35,7 +35,7 @@
     "cross-env": "6.0.3",
     "express": "4.17.1",
     "extend": "3.0.2",
-    "html-webpack-plugin": "3.2.0",
+    "html-webpack-plugin": "4.0.4",
     "portfinder": "1.0.25",
     "puppeteer": "2.0.0",
     "regenerator-runtime": "0.13.3",
diff --git a/yarn.lock b/yarn.lock
index 6ea41da767..7347516856 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5241,6 +5241,11 @@
     "@svgr/plugin-svgo" "^4.3.1"
     loader-utils "^1.2.3"
 
+"@types/anymatch@*":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@types/anymatch/-/anymatch-1.3.1.tgz#336badc1beecb9dacc38bea2cf32adf627a8421a"
+  integrity sha512-/+CRPXpBDpo2RK9C68N3b2cOvO0Cf5B9aPijHsoDQTHivnGSObdOF2BRQOYjojWTDy6nQvMjmqRXIxH55VjxxA==
+
 "@types/babel-types@*", "@types/babel-types@^7.0.0":
   version "7.0.7"
   resolved "https://registry.yarnpkg.com/@types/babel-types/-/babel-types-7.0.7.tgz#667eb1640e8039436028055737d2b9986ee336e3"
@@ -5280,6 +5285,11 @@
   resolved "https://registry.yarnpkg.com/@types/history/-/history-4.7.3.tgz#856c99cdc1551d22c22b18b5402719affec9839a"
   integrity sha512-cS5owqtwzLN5kY+l+KgKdRJ/Cee8tlmQoGQuIE9tWnSmS3JMKzmxo2HIAk2wODMifGwO20d62xZQLYz+RLfXmw==
 
+"@types/html-minifier-terser@^5.0.0":
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/@types/html-minifier-terser/-/html-minifier-terser-5.0.0.tgz#7532440c138605ced1b555935c3115ddd20e8bef"
+  integrity sha512-q95SP4FdkmF0CwO0F2q0H6ZgudsApaY/yCtAQNRn1gduef5fGpyEphzy0YCq/N0UFvDSnLg5V8jFK/YGXlDiCw==
+
 "@types/is-function@^1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@types/is-function/-/is-function-1.0.0.tgz#1b0b819b1636c7baf0d6785d030d12edf70c3e83"
@@ -5377,10 +5387,27 @@
   dependencies:
     "@types/node" "*"
 
+"@types/source-list-map@*":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@types/source-list-map/-/source-list-map-0.1.2.tgz#0078836063ffaf17412349bba364087e0ac02ec9"
+  integrity sha512-K5K+yml8LTo9bWJI/rECfIPrGgxdpeNbj+d53lwN4QjW1MCwlkhUms+gtdzigTeUyBr09+u8BwOIY3MXvHdcsA==
+
 "@types/stack-utils@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"
 
+"@types/tapable@*", "@types/tapable@^1.0.5":
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.5.tgz#9adbc12950582aa65ead76bffdf39fe0c27a3c02"
+  integrity sha512-/gG2M/Imw7cQFp8PGvz/SwocNrmKFjFsm5Pb8HdbHkZ1K8pmuPzOX4VeVoiEecFCVf4CsN1r3/BRvx+6sNqwtQ==
+
+"@types/uglify-js@*":
+  version "3.0.5"
+  resolved "https://registry.yarnpkg.com/@types/uglify-js/-/uglify-js-3.0.5.tgz#2c70d5c68f6e002e3b2e4f849adc5f162546f633"
+  integrity sha512-L7EbSkhSaWBpkl+PZAEAqZTqtTeIsq7s/oX/q0LNnxxJoRVKQE0T81XDVyaxjiiKQwiV2vhVeYRqxdRNqGOGJw==
+  dependencies:
+    source-map "^0.6.1"
+
 "@types/unist@^2.0.0", "@types/unist@^2.0.2", "@types/unist@^2.0.3":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/unist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"
@@ -5391,6 +5418,27 @@
   resolved "https://registry.yarnpkg.com/@types/webpack-env/-/webpack-env-1.15.0.tgz#bd9956d5044b1fb43e869a9ba9148862ff98d9fd"
   integrity sha512-TfcyNecCz8Z9/s90gBOBniyzZrTru8u2Vp0VZODq4KEBaQu8bfXvu7o/KUOecMpzjbFPUA7aqgSq628Iue5BQg==
 
+"@types/webpack-sources@*":
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/@types/webpack-sources/-/webpack-sources-0.1.7.tgz#0a330a9456113410c74a5d64180af0cbca007141"
+  integrity sha512-XyaHrJILjK1VHVC4aVlKsdNN5KBTwufMb43cQs+flGxtPAf/1Qwl8+Q0tp5BwEGaI8D6XT1L+9bSWXckgkjTLw==
+  dependencies:
+    "@types/node" "*"
+    "@types/source-list-map" "*"
+    source-map "^0.6.1"
+
+"@types/webpack@^4.41.8":
+  version "4.41.10"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.10.tgz#2e1f6b3508a249854efe3dcc7690905ac5ee10be"
+  integrity sha512-vIy0qaq8AjOjZLuFPqpo7nAJzcoVXMdw3mvpNN07Uvdy0p1IpJeLNBe3obdRP7FX2jIusDE7z1pZa0A6qYUgnA==
+  dependencies:
+    "@types/anymatch" "*"
+    "@types/node" "*"
+    "@types/tapable" "*"
+    "@types/uglify-js" "*"
+    "@types/webpack-sources" "*"
+    source-map "^0.6.0"
+
 "@types/yargs-parser@*":
   version "13.0.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-13.0.0.tgz#453743c5bbf9f1bed61d959baab5b06be029b2d0"
@@ -6974,7 +7022,7 @@ callsites@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.0.0.tgz#fb7eb569b72ad7a45812f93fd9430a3e410b3dd3"
 
-camel-case@3.0.x, camel-case@^3.0.0:
+camel-case@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-3.0.0.tgz#ca3c3688a4e9cf3a4cda777dc4dcbc713249cf73"
   integrity sha1-yjw2iKTpzzpM2nd9xNy8cTJJz3M=
@@ -6982,6 +7030,14 @@ camel-case@3.0.x, camel-case@^3.0.0:
     no-case "^2.2.0"
     upper-case "^1.1.1"
 
+camel-case@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-4.1.1.tgz#1fc41c854f00e2f7d0139dfeba1542d6896fe547"
+  integrity sha512-7fa2WcG4fYFkclIvEmxBbTvmibwF2/agfEBc6q3lOpVu0A13ltLsA+Hr/8Hp6kp5f+G7hKi6t8lys6XxP+1K6Q==
+  dependencies:
+    pascal-case "^3.1.1"
+    tslib "^1.10.0"
+
 camelcase-css@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/camelcase-css/-/camelcase-css-2.0.1.tgz#ee978f6947914cc30c6b44741b6ed1df7f043fd5"
@@ -7330,13 +7386,20 @@ classnames@^2.2.5:
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
   integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
 
-clean-css@4.2.x, clean-css@^4.1.11, clean-css@^4.2.1:
+clean-css@^4.1.11, clean-css@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.1.tgz#2d411ef76b8569b6d0c84068dabe85b0aa5e5c17"
   integrity sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==
   dependencies:
     source-map "~0.6.0"
 
+clean-css@^4.2.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.3.tgz#507b5de7d97b48ee53d84adb0160ff6216380f78"
+  integrity sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==
+  dependencies:
+    source-map "~0.6.0"
+
 clean-stack@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
@@ -7543,10 +7606,6 @@ commander@2.11.x:
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
 
-commander@2.17.x, commander@~2.17.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
-
 commander@^2.11.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
@@ -7560,6 +7619,15 @@ commander@^4.0.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-4.0.1.tgz#b67622721785993182e807f4883633e6401ba53c"
   integrity sha512-IPF4ouhCP+qdlcmCedhxX4xiGBPyigb8v5NeUp+0LyhwLgxMqyp3S0vl7TAPfS/hiP7FC3caI/PB9lTmP8r1NA==
 
+commander@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
+  integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
+
+commander@~2.17.1:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
+
 commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
@@ -8748,6 +8816,14 @@ domutils@^1.5.1, domutils@^1.7.0:
     dom-serializer "0"
     domelementtype "1"
 
+dot-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/dot-case/-/dot-case-3.0.3.tgz#21d3b52efaaba2ea5fda875bb1aa8124521cf4aa"
+  integrity sha512-7hwEmg6RiSQfm/GwPL4AAWXKy3YNNZA3oFv2Pdiey0mwkRCPZ9x6SZbkLcn8Ma5PYeVokzoD4Twv2n7LKp5WeA==
+  dependencies:
+    no-case "^3.0.3"
+    tslib "^1.10.0"
+
 dot-prop@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-3.0.0.tgz#1b708af094a49c9a0e7dbcad790aba539dac1177"
@@ -10686,7 +10762,7 @@ hastscript@^5.0.0:
     property-information "^5.0.1"
     space-separated-tokens "^1.0.0"
 
-he@1.2.0, he@1.2.x, he@^1.1.0, he@^1.2.0:
+he@1.2.0, he@^1.1.0, he@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
 
@@ -10755,17 +10831,18 @@ html-entities@^1.2.0, html-entities@^1.2.1:
   resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.2.1.tgz#0df29351f0721163515dfb9e5543e5f6eed5162f"
   integrity sha1-DfKTUfByEWNRXfueVUPl9u7VFi8=
 
-html-minifier@^3.2.3:
-  version "3.5.21"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.21.tgz#d0040e054730e354db008463593194015212d20c"
+html-minifier-terser@^5.0.1:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/html-minifier-terser/-/html-minifier-terser-5.0.5.tgz#8f12f639789f04faa9f5cf2ff9b9f65607f21f8b"
+  integrity sha512-cBSFFghQh/uHcfSiL42KxxIRMF7A144+3E44xdlctIjxEmkEfCvouxNyFH2wysXk1fCGBPwtcr3hDWlGTfkDew==
   dependencies:
-    camel-case "3.0.x"
-    clean-css "4.2.x"
-    commander "2.17.x"
-    he "1.2.x"
-    param-case "2.1.x"
-    relateurl "0.2.x"
-    uglify-js "3.4.x"
+    camel-case "^4.1.1"
+    clean-css "^4.2.3"
+    commander "^4.1.1"
+    he "^1.2.0"
+    param-case "^3.0.3"
+    relateurl "^0.2.7"
+    terser "^4.6.3"
 
 html-minifier@^4.0.0:
   version "4.0.0"
@@ -10790,17 +10867,19 @@ html-void-elements@^1.0.1:
   resolved "https://registry.yarnpkg.com/html-void-elements/-/html-void-elements-1.0.4.tgz#95e8bb5ecd6b88766569c2645f2b5f1591db9ba5"
   integrity sha512-yMk3naGPLrfvUV9TdDbuYXngh/TpHbA6TrOw3HL9kS8yhwx7i309BReNg7CbAJXGE+UMJ6je5OqJ7lC63o6YuQ==
 
-html-webpack-plugin@3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
-  integrity sha1-sBq71yOsqqeze2r0SS69oD2d03s=
+html-webpack-plugin@4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-4.0.4.tgz#90cdfb168094e93e047174d9baca098ec5540636"
+  integrity sha512-BREQzUbFfIQS39KqxkT2L1Ot0tuu1isako1CaCQLrgEQ43zi2ScHAe3SMTnVBWsStnIsGtl8jprDdxwZkNhrwQ==
   dependencies:
-    html-minifier "^3.2.3"
-    loader-utils "^0.2.16"
-    lodash "^4.17.3"
-    pretty-error "^2.0.2"
-    tapable "^1.0.0"
-    toposort "^1.0.0"
+    "@types/html-minifier-terser" "^5.0.0"
+    "@types/tapable" "^1.0.5"
+    "@types/webpack" "^4.41.8"
+    html-minifier-terser "^5.0.1"
+    loader-utils "^1.2.3"
+    lodash "^4.17.15"
+    pretty-error "^2.1.1"
+    tapable "^1.1.3"
     util.promisify "1.0.0"
 
 html-webpack-plugin@^4.0.0-beta.2:
@@ -12652,7 +12731,7 @@ lodash@4.17.15, lodash@^4.0.1, lodash@^4.17.12, lodash@^4.17.13, lodash@^4.17.14
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0:
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.5, lodash@^4.2.1, lodash@^4.3.0:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
@@ -12719,6 +12798,13 @@ lower-case@^1.1.1:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-1.1.4.tgz#9a2cabd1b9e8e0ae993a4bf7d5875c39c42e8eac"
 
+lower-case@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-2.0.1.tgz#39eeb36e396115cc05e29422eaea9e692c9408c7"
+  integrity sha512-LiWgfDLLb1dwbFQZsSglpRj+1ctGnayXz3Uv0/WO8n558JycT5fg6zkNcnW0G68Nn0aEldTFeEfmjCfmqry/rQ==
+  dependencies:
+    tslib "^1.10.0"
+
 lowlight@~1.11.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/lowlight/-/lowlight-1.11.0.tgz#1304d83005126d4e8b1dc0f07981e9b689ec2efc"
@@ -13551,6 +13637,14 @@ no-case@^2.2.0:
   dependencies:
     lower-case "^1.1.1"
 
+no-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/no-case/-/no-case-3.0.3.tgz#c21b434c1ffe48b39087e86cfb4d2582e9df18f8"
+  integrity sha512-ehY/mVQCf9BL0gKfsJBvFJen+1V//U+0HQMPrWct40ixE4jnv0bfvxDbWtAHL9EcaPEOJHVVYKoQn1TlZUB8Tw==
+  dependencies:
+    lower-case "^2.0.1"
+    tslib "^1.10.0"
+
 node-dir@^0.1.10, node-dir@^0.1.17:
   version "0.1.17"
   resolved "https://registry.yarnpkg.com/node-dir/-/node-dir-0.1.17.tgz#5f5665d93351335caabef8f1c554516cf5f1e4e5"
@@ -14305,13 +14399,21 @@ parallel-transform@^1.1.0:
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
-param-case@2.1.x, param-case@^2.1.1:
+param-case@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/param-case/-/param-case-2.1.1.tgz#df94fd8cf6531ecf75e6bef9a0858fbc72be2247"
   integrity sha1-35T9jPZTHs915r75oIWPvHK+Ikc=
   dependencies:
     no-case "^2.2.0"
 
+param-case@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/param-case/-/param-case-3.0.3.tgz#4be41f8399eff621c56eebb829a5e451d9801238"
+  integrity sha512-VWBVyimc1+QrzappRs7waeN2YmoZFCGXWASRYX1/rGHtXqEcrGEIDm+jqIwFa2fRXNgQEwrxaYuIrX0WcAguTA==
+  dependencies:
+    dot-case "^3.0.3"
+    tslib "^1.10.0"
+
 parent-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.0.tgz#df250bdc5391f4a085fb589dad761f5ad6b865b5"
@@ -14432,6 +14534,14 @@ parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
 
+pascal-case@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/pascal-case/-/pascal-case-3.1.1.tgz#5ac1975133ed619281e88920973d2cd1f279de5f"
+  integrity sha512-XIeHKqIrsquVTQL2crjq3NfJUxmdLasn3TYOU0VBM+UX2a6ztAWBlJQBePLGY7VHW8+2dRadeIPK5+KImwTxQA==
+  dependencies:
+    no-case "^3.0.3"
+    tslib "^1.10.0"
+
 pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
@@ -15123,7 +15233,7 @@ prettier@^1.16.4:
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"
   integrity sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==
 
-pretty-error@^2.0.2, pretty-error@^2.1.1:
+pretty-error@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.1.tgz#5f4f87c8f91e5ae3f3ba87ab4cf5e03b1a17f1a3"
   integrity sha1-X0+HyPkeWuPzuoerTPXgOxoX8aM=
@@ -16213,7 +16323,7 @@ regjsparser@^0.6.4:
   dependencies:
     jsesc "~0.5.0"
 
-relateurl@0.2.x, relateurl@^0.2.7:
+relateurl@^0.2.7:
   version "0.2.7"
   resolved "https://registry.yarnpkg.com/relateurl/-/relateurl-0.2.7.tgz#54dbf377e51440aca90a4cd274600d3ff2d888a9"
   integrity sha1-VNvzd+UUQKypCkzSdGANP/LYiKk=
@@ -17942,6 +18052,15 @@ terser@^4.4.3, terser@^4.6.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^4.6.3:
+  version "4.6.10"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.10.tgz#90f5bd069ff456ddbc9503b18e52f9c493d3b7c2"
+  integrity sha512-qbF/3UOo11Hggsbsqm2hPa6+L4w7bkr+09FNseEe8xrcVD3APGLFqE+Oz1ZKAxjYnFsj80rLOfgAtJ0LNJjtTA==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.12"
+
 test-exclude@5.2.3, test-exclude@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.2.3.tgz#c3d3e1e311eb7ee405e092dac10aefd09091eac0"
@@ -18109,10 +18228,6 @@ token-stream@0.0.1:
   resolved "https://registry.yarnpkg.com/token-stream/-/token-stream-0.0.1.tgz#ceeefc717a76c4316f126d0b9dbaa55d7e7df01a"
   integrity sha1-zu78cXp2xDFvEm0LnbqlXX598Bo=
 
-toposort@^1.0.0:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/toposort/-/toposort-1.0.7.tgz#2e68442d9f64ec720b8cc89e6443ac6caa950029"
-
 tough-cookie@~2.4.3:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
@@ -18176,6 +18291,11 @@ ts-pnp@^1.1.2:
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.1.4.tgz#ae27126960ebaefb874c6d7fa4729729ab200d90"
   integrity sha512-1J/vefLC+BWSo+qe8OnJQfWTYRS6ingxjwqmHMqaMxXMj7kFtKLgAaYW3JeX3mktjgUL+etlU8/B4VUAUI9QGw==
 
+tslib@^1.10.0:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
+  integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
+
 tslib@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
@@ -18261,13 +18381,6 @@ uc.micro@^1.0.1, uc.micro@^1.0.5:
   resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
   integrity sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==
 
-uglify-js@3.4.x, uglify-js@^3.1.4:
-  version "3.4.9"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
-  dependencies:
-    commander "~2.17.1"
-    source-map "~0.6.1"
-
 uglify-js@^2.6.1:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
@@ -18278,6 +18391,13 @@ uglify-js@^2.6.1:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@^3.1.4:
+  version "3.4.9"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
+  dependencies:
+    commander "~2.17.1"
+    source-map "~0.6.1"
+
 uglify-js@^3.5.1:
   version "3.6.6"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.6.6.tgz#7ec28c92c7131c6a096b69cd48722600cc534207"