diff --git a/package.json b/package.json
index 9e6248f23d..109869773b 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "difflib": "0.2.4",
     "eslint": "5.16.0",
     "eslint-plugin-empty-returns": "1.0.2",
-    "jsdom": "11.10.0",
+    "jsdom": "15.1.1",
     "nyc": "11.8.0",
     "phantomjs-prebuilt": "2.1.16",
     "stylelint": "9.3.0",
diff --git a/yarn.lock b/yarn.lock
index 6fc53de3e6..e44ed64910 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -465,11 +465,16 @@ a-big-triangle@^1.0.3:
     gl-vao "^1.2.0"
     weak-map "^1.0.5"
 
-abab@^1.0.3, abab@^1.0.4:
+abab@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/abab/-/abab-1.0.4.tgz#5faad9c2c07f60dd76770f71cf025b62a63cfd4e"
   integrity sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4=
 
+abab@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.0.tgz#aba0ab4c5eee2d4c79d3487d85450fb2376ebb0f"
+  integrity sha512-sY5AXXVZv4Y1VACTtR11UJCPHHudgY5i26Qj5TypE6DKlIApbwb5uqhXcJ5UUGbvZNRh7EeIoW+LrJumBsKp7w==
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -515,12 +520,13 @@ acorn-globals@^3.1.0:
   dependencies:
     acorn "^4.0.4"
 
-acorn-globals@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.1.0.tgz#ab716025dbe17c54d3ef81d32ece2b2d99fe2538"
-  integrity sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==
+acorn-globals@^4.3.2:
+  version "4.3.2"
+  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-4.3.2.tgz#4e2c2313a597fd589720395f6354b41cd5ec8006"
+  integrity sha512-BbzvZhVtZP+Bs1J1HcwrQe8ycfO0wStkSGxuul3He3GkHOIZ6eTqOkPuw9IP1X3+IkOo4wiJmwkobzXYz4wewQ==
   dependencies:
-    acorn "^5.0.0"
+    acorn "^6.0.1"
+    acorn-walk "^6.0.1"
 
 acorn-jsx@^4.1.1:
   version "4.1.1"
@@ -534,17 +540,22 @@ acorn-jsx@^5.0.0:
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.1.tgz#32a064fd925429216a09b141102bfdd185fae40e"
   integrity sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==
 
+acorn-walk@^6.0.1:
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.1.1.tgz#d363b66f5fac5f018ff9c3a1e7b6f8e310cc3913"
+  integrity sha512-OtUw6JUTgxA2QoqqmrmQ7F2NYqiBPi/L2jqHyFtllhOUvXYQXf0Z1CYUinIfyT4bTCGmrA7gX9FvHA81uzCoVw==
+
 acorn@^4.0.4:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
   integrity sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=
 
-acorn@^5.0.0, acorn@^5.0.3, acorn@^5.3.0, acorn@^5.4.1:
+acorn@^5.0.0, acorn@^5.0.3, acorn@^5.4.1:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.1.tgz#f095829297706a7c9776958c0afc8930a9b9d9d8"
   integrity sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==
 
-acorn@^6.0.5, acorn@^6.0.7:
+acorn@^6.0.1, acorn@^6.0.5, acorn@^6.0.7, acorn@^6.1.1:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
   integrity sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==
@@ -884,7 +895,7 @@ async-foreach@^0.1.3:
   resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
   integrity sha1-NhIfhFwFeBct5Bmpfb6x0W7DRUI=
 
-async-limiter@~1.0.0:
+async-limiter@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
   integrity sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==
@@ -2374,6 +2385,11 @@ cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.4.tgz#8cd52e8a3acfd68d3aed38ee0a640177d2f9d797"
   integrity sha512-+7prCSORpXNeR4/fUP3rL+TzqtiFfhMvTd7uEqMdgPvLPt4+uzFUeufx5RHjGTACCargg/DiEt/moMQmvnfkog==
 
+cssom@^0.3.6:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.6.tgz#f85206cee04efa841f3c5982a74ba96ab20d65ad"
+  integrity sha512-DtUeseGk9/GBW0hl0vVPpU22iHL6YB5BUX7ml1hB+GMpo0NX5G4voX3kdWiMSEguFtcW3Vh3djqNF4aIe6ne0A==
+
 "cssstyle@>= 0.2.37 < 0.3.0":
   version "0.2.37"
   resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-0.2.37.tgz#541097234cb2513c83ceed3acddc27ff27987d54"
@@ -2381,6 +2397,13 @@ cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
   dependencies:
     cssom "0.3.x"
 
+cssstyle@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-1.2.2.tgz#427ea4d585b18624f6fdbf9de7a2a1a3ba713077"
+  integrity sha512-43wY3kl1CVQSvL7wUY1qXkxVGkStjpkDmVjiIKX8R97uhajy8Bybay78uOtqvh7Q5GK75dNPfW0geWjE6qQQow==
+  dependencies:
+    cssom "0.3.x"
+
 cubic-hermite@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cubic-hermite/-/cubic-hermite-1.0.0.tgz#84e3b2f272b31454e8393b99bb6aed45168c14e5"
@@ -2531,14 +2554,14 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-data-urls@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/data-urls/-/data-urls-1.0.0.tgz#24802de4e81c298ea8a9388bb0d8e461c774684f"
-  integrity sha512-ai40PPQR0Fn1lD2PPie79CibnlMN2AYiDhwFX/rZHVsxbs5kNJSjegqXIprhouGXlRdEnfybva7kqRGnB6mypA==
+data-urls@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/data-urls/-/data-urls-1.1.0.tgz#15ee0582baa5e22bb59c77140da8f9c76963bbfe"
+  integrity sha512-YTWYI9se1P55u58gL5GkQHW4P6VJBJ5iBT+B5a7i2Tjadhv52paJG0qHX4A0OR6/t52odI64KP2YvFpkDOi3eQ==
   dependencies:
-    abab "^1.0.4"
-    whatwg-mimetype "^2.0.0"
-    whatwg-url "^6.4.0"
+    abab "^2.0.0"
+    whatwg-mimetype "^2.2.0"
+    whatwg-url "^7.0.0"
 
 date-now@^0.1.4:
   version "0.1.4"
@@ -2846,7 +2869,7 @@ domelementtype@~1.1.1:
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-1.1.3.tgz#bd28773e2642881aec51544924299c5cd822185b"
   integrity sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=
 
-domexception@^1.0.0:
+domexception@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.1.tgz#937442644ca6a31261ef36e3ec677fe805582c90"
   integrity sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==
@@ -3154,7 +3177,19 @@ escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
-escodegen@^1.6.1, escodegen@^1.8.1, escodegen@^1.9.0:
+escodegen@^1.11.1:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.11.1.tgz#c485ff8d6b4cdb89e27f4a856e91f118401ca510"
+  integrity sha512-JwiqFD9KdGVVpeuRa68yU3zZnBEOcPs0nKW7wZzXky8Z7tffdYUHbe11bPCV5jYlK6DVdKLWLm0f5I/QlL0Kmw==
+  dependencies:
+    esprima "^3.1.3"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.6.1"
+
+escodegen@^1.6.1, escodegen@^1.8.1:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.11.0.tgz#b27a9389481d5bfd5bec76f7bb1eb3f8f4556589"
   integrity sha512-IeMV45ReixHS53K/OmfKAIztN/igDHzTJUhZM3k1jMhIZWjk45SMwAtBsEXiJp3vSPmTcu6CXn7mDvFHRN66fw==
@@ -5847,36 +5882,36 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
-jsdom@11.10.0:
-  version "11.10.0"
-  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.10.0.tgz#a42cd54e88895dc765f03f15b807a474962ac3b5"
-  integrity sha512-x5No5FpJgBg3j5aBwA8ka6eGuS5IxbC8FOkmyccKvObtFT0bDMict/LOxINZsZGZSfGdNomLZ/qRV9Bpq/GIBA==
+jsdom@15.1.1:
+  version "15.1.1"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-15.1.1.tgz#21ed01f81d95ef4327f3e564662aef5e65881252"
+  integrity sha512-cQZRBB33arrDAeCrAEWn1U3SvrvC8XysBua9Oqg1yWrsY/gYcusloJC3RZJXuY5eehSCmws8f2YeliCqGSkrtQ==
   dependencies:
-    abab "^1.0.4"
-    acorn "^5.3.0"
-    acorn-globals "^4.1.0"
+    abab "^2.0.0"
+    acorn "^6.1.1"
+    acorn-globals "^4.3.2"
     array-equal "^1.0.0"
-    cssom ">= 0.3.2 < 0.4.0"
-    cssstyle ">= 0.2.37 < 0.3.0"
-    data-urls "^1.0.0"
-    domexception "^1.0.0"
-    escodegen "^1.9.0"
+    cssom "^0.3.6"
+    cssstyle "^1.2.2"
+    data-urls "^1.1.0"
+    domexception "^1.0.1"
+    escodegen "^1.11.1"
     html-encoding-sniffer "^1.0.2"
-    left-pad "^1.2.0"
-    nwmatcher "^1.4.3"
-    parse5 "4.0.0"
+    nwsapi "^2.1.4"
+    parse5 "5.1.0"
     pn "^1.1.0"
-    request "^2.83.0"
-    request-promise-native "^1.0.5"
-    sax "^1.2.4"
+    request "^2.88.0"
+    request-promise-native "^1.0.7"
+    saxes "^3.1.9"
     symbol-tree "^3.2.2"
-    tough-cookie "^2.3.3"
+    tough-cookie "^3.0.1"
     w3c-hr-time "^1.0.1"
+    w3c-xmlserializer "^1.1.2"
     webidl-conversions "^4.0.2"
-    whatwg-encoding "^1.0.3"
-    whatwg-mimetype "^2.1.0"
-    whatwg-url "^6.4.0"
-    ws "^4.0.0"
+    whatwg-encoding "^1.0.5"
+    whatwg-mimetype "^2.3.0"
+    whatwg-url "^7.0.0"
+    ws "^7.0.0"
     xml-name-validator "^3.0.0"
 
 jsdom@^9.0.0:
@@ -6066,7 +6101,7 @@ lcid@^2.0.0:
   dependencies:
     invert-kv "^2.0.0"
 
-left-pad@^1.2.0, left-pad@^1.3.0:
+left-pad@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
   integrity sha512-XI5MPzVNApjAyhQzphX8BkmKsKUxD4LdyK24iZeQGinBN9yTQT3bFlCBy/aVx2HrNcqQGsdot8ghrjyrvMCoEA==
@@ -6184,7 +6219,7 @@ lodash.unescape@4.0.1:
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
   integrity sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=
 
-lodash@^4.0.0, lodash@^4.13.1, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.6.1, lodash@~4.17.10:
+lodash@^4.0.0, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.6.1, lodash@~4.17.10:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
   integrity sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==
@@ -7250,11 +7285,16 @@ numeric@^1.2.6:
   resolved "https://registry.yarnpkg.com/numeric/-/numeric-1.2.6.tgz#765b02bef97988fcf880d4eb3f36b80fa31335aa"
   integrity sha1-dlsCvvl5iPz4gNTrPza4D6MTNao=
 
-"nwmatcher@>= 1.3.9 < 2.0.0", nwmatcher@^1.4.3:
+"nwmatcher@>= 1.3.9 < 2.0.0":
   version "1.4.4"
   resolved "https://registry.yarnpkg.com/nwmatcher/-/nwmatcher-1.4.4.tgz#2285631f34a95f0d0395cd900c96ed39b58f346e"
   integrity sha512-3iuY4N5dhgMpCUrOVnuAdGrgxVqV2cJpM+XNccjR2DKOB1RUP0aA+wGXEiNziG/UKboFyGBIoKOaNlJxx8bciQ==
 
+nwsapi@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.1.4.tgz#e006a878db23636f8e8a67d33ca0e4edf61a842f"
+  integrity sha512-iGfd9Y6SFdTNldEy2L0GUhcarIutFmk+MPWIn9dmj8NMIup03G08uUF2KGbbmv/Ux4RT0VZJoP/sVbWA6d/VIw==
+
 nyc@11.8.0:
   version "11.8.0"
   resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.8.0.tgz#1e8453b0644f8fea4d829b1a6636663157cd3b00"
@@ -7681,10 +7721,10 @@ parse-unit@^1.0.1:
   resolved "https://registry.yarnpkg.com/parse-unit/-/parse-unit-1.0.1.tgz#7e1bb6d5bef3874c28e392526a2541170291eecf"
   integrity sha1-fhu21b7zh0wo45JSaiVBFwKR7s8=
 
-parse5@4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
-  integrity sha512-VrZ7eOd3T1Fk4XWNXMgiGBK/z0MG48BWG2uQNU4I72fkQuKUTZpl+u9k+CxEG0twMVzSmXEEz12z5Fnw1jIQFA==
+parse5@5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-5.1.0.tgz#c59341c9723f414c452975564c7c00a68d58acd2"
+  integrity sha512-fxNG2sQjHvlVAYmzBZS9YlDp6PTSSDwa98vkD4QgVDDCAo84z5X1t5XyJQ62ImdLXx5NdIIfihey6xpum9/gRQ==
 
 parse5@^1.5.1:
   version "1.5.1"
@@ -8256,6 +8296,11 @@ psl@^1.1.24:
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.1.29.tgz#60f580d360170bb722a797cc704411e6da850c67"
   integrity sha512-AeUmQ0oLN02flVHXWh9sSJF7mcdFq0ppid/JkErufc3hGIV/AMa8Fo9VgDo/cT2jFdOWoFvHp90qqBH54W+gjQ==
 
+psl@^1.1.28:
+  version "1.1.32"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.1.32.tgz#3f132717cf2f9c169724b2b6caf373cf694198db"
+  integrity sha512-MHACAkHpihU/REGGPLj4sEfc/XKW2bheigvHO1dUqjaKigMp1C8+WLQYRGgeKFMsw5PMfegZcaN8IDXK/cD0+g==
+
 public-encrypt@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
@@ -8302,7 +8347,7 @@ punycode@^1.2.4, punycode@^1.4.1:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
   integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
 
-punycode@^2.1.0:
+punycode@^2.1.0, punycode@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
@@ -8794,23 +8839,23 @@ request-progress@^2.0.1:
   dependencies:
     throttleit "^1.0.0"
 
-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"
-  integrity sha1-Pu4AssWqgyOc+wTFcA2jb4HNCLY=
+request-promise-core@1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.2.tgz#339f6aababcafdb31c799ff158700336301d3346"
+  integrity sha512-UHYyq1MO8GsefGEt7EprS8UrXsm1TxEvFUX1IMTuSLU2Rh7fTIdFtl8xD7JiEYiWU2dl+NYAjCTksTehQUxPag==
   dependencies:
-    lodash "^4.13.1"
+    lodash "^4.17.11"
 
-request-promise-native@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.5.tgz#5281770f68e0c9719e5163fd3fab482215f4fda5"
-  integrity sha1-UoF3D2jgyXGeUWP9P6tIIhX0/aU=
+request-promise-native@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.7.tgz#a49868a624bdea5069f1251d0a836e0d89aa2c59"
+  integrity sha512-rIMnbBdgNViL37nZ1b3L/VfPOpSi0TqVDQPAvO6U14lMzOLrt5nilxCQqtDKhZeDiW0/hkCXGoQjhgJd/tCh6w==
   dependencies:
-    request-promise-core "1.1.1"
-    stealthy-require "^1.1.0"
-    tough-cookie ">=2.3.3"
+    request-promise-core "1.1.2"
+    stealthy-require "^1.1.1"
+    tough-cookie "^2.3.3"
 
-request@^2.79.0, request@^2.81.0, request@^2.83.0, request@^2.87.0:
+request@^2.79.0, request@^2.81.0, request@^2.87.0:
   version "2.87.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.87.0.tgz#32f00235cd08d482b4d0d68db93a829c0ed5756e"
   integrity sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==
@@ -9160,6 +9205,13 @@ sax@^1.1.5, sax@^1.2.1, sax@^1.2.4, sax@~1.2.4:
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
 
+saxes@^3.1.9:
+  version "3.1.9"
+  resolved "https://registry.yarnpkg.com/saxes/-/saxes-3.1.9.tgz#c1c197cd54956d88c09f960254b999e192d7058b"
+  integrity sha512-FZeKhJglhJHk7eWG5YM0z46VHmI3KJpMBAQm3xa9meDvd+wevB5GuBB0wc0exPInZiBBHqi00DbS8AcvCGCFMw==
+  dependencies:
+    xmlchars "^1.3.1"
+
 schema-utils@^0.4.5:
   version "0.4.7"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"
@@ -9852,7 +9904,7 @@ stdout-stream@^1.4.0:
   dependencies:
     readable-stream "^2.0.1"
 
-stealthy-require@^1.1.0:
+stealthy-require@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
   integrity sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks=
@@ -10598,7 +10650,7 @@ topojson-client@^2.1.0:
   dependencies:
     commander "2"
 
-tough-cookie@>=2.3.3, tough-cookie@^2.3.2, tough-cookie@^2.3.3, tough-cookie@~2.4.3:
+tough-cookie@^2.3.2, tough-cookie@^2.3.3, tough-cookie@~2.4.3:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
   integrity sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==
@@ -10606,6 +10658,15 @@ tough-cookie@>=2.3.3, tough-cookie@^2.3.2, tough-cookie@^2.3.3, tough-cookie@~2.
     psl "^1.1.24"
     punycode "^1.4.1"
 
+tough-cookie@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-3.0.1.tgz#9df4f57e739c26930a018184887f4adb7dca73b2"
+  integrity sha512-yQyJ0u4pZsv9D4clxO69OEjLWYw+jbgspjTue4lTQZLfV0c5l1VmK2y1JK8E9ahdpltPOaAThPcp5nKPUgSnsg==
+  dependencies:
+    ip-regex "^2.1.0"
+    psl "^1.1.28"
+    punycode "^2.1.1"
+
 tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
@@ -11283,6 +11344,15 @@ w3c-hr-time@^1.0.1:
   dependencies:
     browser-process-hrtime "^0.1.2"
 
+w3c-xmlserializer@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/w3c-xmlserializer/-/w3c-xmlserializer-1.1.2.tgz#30485ca7d70a6fd052420a3d12fd90e6339ce794"
+  integrity sha512-p10l/ayESzrBMYWRID6xbuCKh2Fp77+sA0doRuGn4tTIMrrZVeqfpKjXHY+oDh3K4nLdPgNwMTVP6Vp4pvqbNg==
+  dependencies:
+    domexception "^1.0.1"
+    webidl-conversions "^4.0.2"
+    xml-name-validator "^3.0.0"
+
 watchpack@^1.5.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.6.0.tgz#4bc12c2ebe8aa277a71f1d3f14d685c7b446cd00"
@@ -11486,17 +11556,24 @@ wgs84@0.0.0:
   resolved "https://registry.yarnpkg.com/wgs84/-/wgs84-0.0.0.tgz#34fdc555917b6e57cf2a282ed043710c049cdc76"
   integrity sha1-NP3FVZF7blfPKigu0ENxDASc3HY=
 
-whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
+whatwg-encoding@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.3.tgz#57c235bc8657e914d24e1a397d3c82daee0a6ba3"
   integrity sha512-jLBwwKUhi8WtBfsMQlL4bUUcT8sMkAtQinscJAe/M4KHCkHuUJAF6vuB0tueNIw4c8ziO6AkRmgY+jL3a0iiPw==
   dependencies:
     iconv-lite "0.4.19"
 
-whatwg-mimetype@^2.0.0, whatwg-mimetype@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.1.0.tgz#f0f21d76cbba72362eb609dbed2a30cd17fcc7d4"
-  integrity sha512-FKxhYLytBQiUKjkYteN71fAUA3g6KpNXoho1isLiLSB3N1G4F35Q5vUxWfKFhBwi5IWF27VE6WxhrnnC+m0Mew==
+whatwg-encoding@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz#5abacf777c32166a51d085d6b4f3e7d27113ddb0"
+  integrity sha512-b5lim54JOPN9HtzvK9HFXvBma/rnfFeqsic0hSpjtDbVxR3dJKLc+KB4V6GgiGOvl7CY/KNh8rxSo9DKQrnUEw==
+  dependencies:
+    iconv-lite "0.4.24"
+
+whatwg-mimetype@^2.2.0, whatwg-mimetype@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
+  integrity sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==
 
 whatwg-url@^4.3.0:
   version "4.8.0"
@@ -11506,10 +11583,10 @@ whatwg-url@^4.3.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
-whatwg-url@^6.4.0:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.5.0.tgz#f2df02bff176fd65070df74ad5ccbb5a199965a8"
-  integrity sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==
+whatwg-url@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-7.0.0.tgz#fde926fa54a599f3adf82dff25a9f7be02dc6edd"
+  integrity sha512-37GeVSIJ3kn1JgKyjiYNmSLP1yzbpb29jdmwBSgkD9h40/hyrR/OifpVUndji3tmwGgD8qpw7iQu3RSbCrBpsQ==
   dependencies:
     lodash.sortby "^4.7.0"
     tr46 "^1.0.1"
@@ -11614,13 +11691,12 @@ write@^0.2.1:
   dependencies:
     mkdirp "^0.5.1"
 
-ws@^4.0.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-4.1.0.tgz#a979b5d7d4da68bf54efe0408967c324869a7289"
-  integrity sha512-ZGh/8kF9rrRNffkLFV4AzhvooEclrOH0xaugmqGsIfFgOE/pIz4fMc4Ef+5HSQqTEug2S9JZIWDR47duDSLfaA==
+ws@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.0.0.tgz#79351cbc3f784b3c20d0821baf4b4ff809ffbf51"
+  integrity sha512-cknCal4k0EAOrh1SHHPPWWh4qm93g1IuGGGwBjWkXmCG7LsDtL8w9w+YVfaF+KSVwiHQKDIMsSLBVftKf9d1pg==
   dependencies:
-    async-limiter "~1.0.0"
-    safe-buffer "~5.1.0"
+    async-limiter "^1.0.0"
 
 x-is-string@^0.1.0:
   version "0.1.0"
@@ -11642,6 +11718,11 @@ xml-name-validator@^3.0.0:
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
   integrity sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==
 
+xmlchars@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/xmlchars/-/xmlchars-1.3.1.tgz#1dda035f833dbb4f86a0c28eaa6ca769214793cf"
+  integrity sha512-tGkGJkN8XqCod7OT+EvGYK5Z4SfDQGD30zAa58OcnAa0RRWgzUEK72tkXhsX1FZd+rgnhRxFtmO+ihkp8LHSkw==
+
 xmldom@~0.1.22:
   version "0.1.27"
   resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.1.27.tgz#d501f97b3bdb403af8ef9ecc20573187aadac0e9"