diff --git a/package.json b/package.json
index bb46746..5878f32 100644
--- a/package.json
+++ b/package.json
@@ -81,6 +81,6 @@
     "eslint": "^4.3.0",
     "jest": "^22.1.4",
     "jest-cli": "^22.1.4",
-    "jsdom": "^11.1.0"
+    "jsdom": "^16.5.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 39fe5ec..e5463f7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -106,9 +106,9 @@
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/@webcomponents/webcomponentsjs/-/webcomponentsjs-1.3.3.tgz#5bb82a0d3210c836bd4623e13a4a93145cb9dc27"
 
-abab@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.0.tgz#aba0ab4c5eee2d4c79d3487d85450fb2376ebb0f"
+abab@^2.0.0, abab@^2.0.3, abab@^2.0.5:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/abab/-/abab-2.0.6.tgz#41b80f2c871d19686216b82309231cfd3cb3d291"
 
 abbrev@1:
   version "1.1.1"
@@ -141,6 +141,13 @@ acorn-globals@^4.1.0:
     acorn "^6.0.1"
     acorn-walk "^6.0.1"
 
+acorn-globals@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-6.0.0.tgz#46cdd39f0f8ff08a876619b55f5ac8a6dc770b45"
+  dependencies:
+    acorn "^7.1.1"
+    acorn-walk "^7.1.1"
+
 acorn-jsx@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
@@ -151,6 +158,10 @@ acorn-walk@^6.0.1:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.1.1.tgz#d363b66f5fac5f018ff9c3a1e7b6f8e310cc3913"
 
+acorn-walk@^7.1.1:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-7.2.0.tgz#0de889a601203909b0fbe07b8938dc21d2e967bc"
+
 acorn@^3.0.4:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
@@ -167,6 +178,14 @@ acorn@^6.0.1:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
 
+acorn@^7.1.1:
+  version "7.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
+
+acorn@^8.0.5:
+  version "8.7.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.1.tgz#0197122c843d1bf6d0a5e83220a788f278f63c30"
+
 after@0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
@@ -188,7 +207,7 @@ ajv@^5.0.0, ajv@^5.2.3, ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
-ajv@^6.1.0, ajv@^6.5.5:
+ajv@^6.1.0:
   version "6.10.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz#90d0d54439da587cd7e843bfb7045f50bd22bdf1"
   dependencies:
@@ -197,6 +216,15 @@ ajv@^6.1.0, ajv@^6.5.5:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.12.3:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -1277,9 +1305,9 @@ brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
-browser-process-hrtime@^0.1.2:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-0.1.3.tgz#616f00faef1df7ec1b5bf9cfe2bdc3170f26c7b4"
+browser-process-hrtime@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-1.0.0.tgz#3c9b4b7d782c8121e56f10106d84c0d0ffc94626"
 
 browser-resolve@^1.11.2:
   version "1.11.3"
@@ -2036,9 +2064,13 @@ csso@~2.3.1:
     clap "^1.0.9"
     source-map "^0.5.3"
 
-cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0":
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.6.tgz#f85206cee04efa841f3c5982a74ba96ab20d65ad"
+cssom@0.3.x, "cssom@>= 0.3.2 < 0.4.0", cssom@~0.3.6:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.3.8.tgz#9f1276f5b2b463f2114d3f2c75250af8c1a36f4a"
+
+cssom@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/cssom/-/cssom-0.4.4.tgz#5a66cf93d2d0b661d80bf6a44fb65f5c2e4e0a10"
 
 cssstyle@^1.0.0:
   version "1.2.2"
@@ -2046,6 +2078,12 @@ cssstyle@^1.0.0:
   dependencies:
     cssom "0.3.x"
 
+cssstyle@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/cssstyle/-/cssstyle-2.3.0.tgz#ff665a0ddbdc31864b09647f34163443d90b0852"
+  dependencies:
+    cssom "~0.3.6"
+
 currently-unhandled@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
@@ -2076,6 +2114,14 @@ data-urls@^1.0.0:
     whatwg-mimetype "^2.2.0"
     whatwg-url "^7.0.0"
 
+data-urls@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/data-urls/-/data-urls-2.0.0.tgz#156485a72963a970f5d5821aaf642bef2bf2db9b"
+  dependencies:
+    abab "^2.0.3"
+    whatwg-mimetype "^2.3.0"
+    whatwg-url "^8.0.0"
+
 date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
@@ -2108,6 +2154,10 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+decimal.js@^10.2.1:
+  version "10.3.1"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.3.1.tgz#d8c3a444a9c6774ba60ca6ad7261c3a94fd5e783"
+
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -2249,6 +2299,12 @@ domexception@^1.0.1:
   dependencies:
     webidl-conversions "^4.0.2"
 
+domexception@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/domexception/-/domexception-2.0.1.tgz#fb44aefba793e1574b0af6aed2801d057529f304"
+  dependencies:
+    webidl-conversions "^5.0.0"
+
 domhandler@^2.3.0:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-2.4.2.tgz#8805097e933d65e85546f726d60f5eb88b44f803"
@@ -2481,6 +2537,17 @@ escodegen@^1.9.1:
   optionalDependencies:
     source-map "~0.6.1"
 
+escodegen@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-2.0.0.tgz#5e32b12833e8aa8fa35e1bf0befa89380484c7dd"
+  dependencies:
+    esprima "^4.0.1"
+    estraverse "^5.2.0"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.6.1"
+
 escope@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
@@ -2566,7 +2633,7 @@ esprima@^3.1.3, esprima@~3.1.0:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
 
-esprima@^4.0.0:
+esprima@^4.0.0, esprima@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
 
@@ -2586,6 +2653,10 @@ estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
+estraverse@^5.2.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-5.3.0.tgz#2eea5290702f26ab8fe5370370ff86c965d21123"
+
 esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
@@ -2779,6 +2850,10 @@ fast-deep-equal@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
 
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -3134,11 +3209,11 @@ har-schema@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
 
-har-validator@~5.1.0:
-  version "5.1.3"
-  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.3.tgz#1ef89ebd3e4996557675eed9893110dc350fa080"
+har-validator@~5.1.3:
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.5.tgz#1f0803b9f8cb20c0fa13822df1ecddb36bde1efd"
   dependencies:
-    ajv "^6.5.5"
+    ajv "^6.12.3"
     har-schema "^2.0.0"
 
 has-ansi@^2.0.0:
@@ -3257,6 +3332,12 @@ html-encoding-sniffer@^1.0.2:
   dependencies:
     whatwg-encoding "^1.0.1"
 
+html-encoding-sniffer@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-2.0.1.tgz#42a6dc4fd33f00281176e8b23759ca4e4fa185f3"
+  dependencies:
+    whatwg-encoding "^1.0.5"
+
 html-entities@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.2.1.tgz#0df29351f0721163515dfb9e5543e5f6eed5162f"
@@ -3655,6 +3736,10 @@ is-posix-bracket@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
 
+is-potential-custom-element-name@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.1.tgz#171ed6f19e3ac554394edf78caa05784a45bebb5"
+
 is-primitive@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
@@ -4087,7 +4172,7 @@ jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
 
-jsdom@^11.1.0, jsdom@^11.5.1:
+jsdom@^11.5.1:
   version "11.12.0"
   resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-11.12.0.tgz#1a80d40ddd378a1de59656e9e6dc5a3ba8657bc8"
   dependencies:
@@ -4118,6 +4203,37 @@ jsdom@^11.1.0, jsdom@^11.5.1:
     ws "^5.2.0"
     xml-name-validator "^3.0.0"
 
+jsdom@^16.5.0:
+  version "16.5.0"
+  resolved "https://registry.yarnpkg.com/jsdom/-/jsdom-16.5.0.tgz#9e453505600cc5a70b385750d35256f380730cc4"
+  dependencies:
+    abab "^2.0.5"
+    acorn "^8.0.5"
+    acorn-globals "^6.0.0"
+    cssom "^0.4.4"
+    cssstyle "^2.3.0"
+    data-urls "^2.0.0"
+    decimal.js "^10.2.1"
+    domexception "^2.0.1"
+    escodegen "^2.0.0"
+    html-encoding-sniffer "^2.0.1"
+    is-potential-custom-element-name "^1.0.0"
+    nwsapi "^2.2.0"
+    parse5 "6.0.1"
+    request "^2.88.2"
+    request-promise-native "^1.0.9"
+    saxes "^5.0.1"
+    symbol-tree "^3.2.4"
+    tough-cookie "^4.0.0"
+    w3c-hr-time "^1.0.2"
+    w3c-xmlserializer "^2.0.0"
+    webidl-conversions "^6.1.0"
+    whatwg-encoding "^1.0.5"
+    whatwg-mimetype "^2.3.0"
+    whatwg-url "^8.0.0"
+    ws "^7.4.4"
+    xml-name-validator "^3.0.0"
+
 jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
@@ -4311,7 +4427,7 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.0.0, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1, lodash@~4.17.10:
+lodash@^4.0.0, lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.6.1, lodash@^4.7.0, lodash@~4.17.10:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
@@ -4861,9 +4977,9 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
-nwsapi@^2.0.7:
-  version "2.1.4"
-  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.1.4.tgz#e006a878db23636f8e8a67d33ca0e4edf61a842f"
+nwsapi@^2.0.7, nwsapi@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/nwsapi/-/nwsapi-2.2.0.tgz#204879a9e3d068ff2a55139c2c772780681a38b7"
 
 oauth-sign@~0.9.0:
   version "0.9.0"
@@ -5077,6 +5193,10 @@ parse5@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
 
+parse5@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-6.0.1.tgz#e1a1c085c569b3dc08321184f19a39cc27f7c30b"
+
 parsejson@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.3.tgz#ab7e3759f209ece99437973f7d0f1f64ae0e64ab"
@@ -5545,10 +5665,14 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
-psl@^1.1.24, psl@^1.1.28:
+psl@^1.1.28:
   version "1.1.31"
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.1.31.tgz#e9aa86d0101b5b105cbe93ac6b784cd547276184"
 
+psl@^1.1.33:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/psl/-/psl-1.8.0.tgz#9326f8bcfb013adcc005fdff056acce020e51c24"
+
 public-encrypt@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.3.tgz#4fcc9d77a07e48ba7527e7cbe0de33d0701331e0"
@@ -5579,7 +5703,7 @@ punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
 
-punycode@^1.2.4, punycode@^1.4.1:
+punycode@^1.2.4:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
@@ -5850,23 +5974,23 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
-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"
+request-promise-core@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/request-promise-core/-/request-promise-core-1.1.4.tgz#3eedd4223208d419867b78ce815167d10593a22f"
   dependencies:
-    lodash "^4.17.11"
+    lodash "^4.17.19"
 
-request-promise-native@^1.0.5:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.7.tgz#a49868a624bdea5069f1251d0a836e0d89aa2c59"
+request-promise-native@^1.0.5, request-promise-native@^1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/request-promise-native/-/request-promise-native-1.0.9.tgz#e407120526a5efdc9a39b28a5679bf47b9d9dc28"
   dependencies:
-    request-promise-core "1.1.2"
+    request-promise-core "1.1.4"
     stealthy-require "^1.1.1"
     tough-cookie "^2.3.3"
 
-request@^2.87.0, request@^2.88.0:
-  version "2.88.0"
-  resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
+request@^2.87.0, request@^2.88.0, request@^2.88.2:
+  version "2.88.2"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.88.2.tgz#d73c918731cb5a87da047e207234146f664d12b3"
   dependencies:
     aws-sign2 "~0.7.0"
     aws4 "^1.8.0"
@@ -5875,7 +5999,7 @@ request@^2.87.0, request@^2.88.0:
     extend "~3.0.2"
     forever-agent "~0.6.1"
     form-data "~2.3.2"
-    har-validator "~5.1.0"
+    har-validator "~5.1.3"
     http-signature "~1.2.0"
     is-typedarray "~1.0.0"
     isstream "~0.1.2"
@@ -5885,7 +6009,7 @@ request@^2.87.0, request@^2.88.0:
     performance-now "^2.1.0"
     qs "~6.5.2"
     safe-buffer "^5.1.2"
-    tough-cookie "~2.4.3"
+    tough-cookie "~2.5.0"
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
@@ -6050,6 +6174,12 @@ sax@^1.2.4, sax@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
+saxes@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/saxes/-/saxes-5.0.1.tgz#eebab953fa3b7608dbe94e5dadb15c888fa6696d"
+  dependencies:
+    xmlchars "^2.2.0"
+
 schema-utils@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.3.0.tgz#f5877222ce3e931edae039f17eb3716e7137f8cf"
@@ -6532,9 +6662,9 @@ symbol-observable@^1.0.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
 
-symbol-tree@^3.2.2:
-  version "3.2.2"
-  resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
+symbol-tree@^3.2.2, symbol-tree@^3.2.4:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.4.tgz#430637d248ba77e078883951fb9aa0eed7c63fa2"
 
 table@4.0.2:
   version "4.0.2"
@@ -6662,19 +6792,20 @@ toposort@^1.0.0:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/toposort/-/toposort-1.0.7.tgz#2e68442d9f64ec720b8cc89e6443ac6caa950029"
 
-tough-cookie@^2.3.3, tough-cookie@^2.3.4:
+tough-cookie@^2.3.3, tough-cookie@^2.3.4, tough-cookie@~2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
   dependencies:
     psl "^1.1.28"
     punycode "^2.1.1"
 
-tough-cookie@~2.4.3:
-  version "2.4.3"
-  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"
+tough-cookie@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-4.0.0.tgz#d822234eeca882f991f0f908824ad2622ddbece4"
   dependencies:
-    psl "^1.1.24"
-    punycode "^1.4.1"
+    psl "^1.1.33"
+    punycode "^2.1.1"
+    universalify "^0.1.2"
 
 tr46@^1.0.1:
   version "1.0.1"
@@ -6682,6 +6813,12 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
+tr46@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-2.1.0.tgz#fa87aa81ca5d5941da8cbf1f9b749dc969a4e240"
+  dependencies:
+    punycode "^2.1.1"
+
 trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
@@ -6799,6 +6936,10 @@ unique-slug@^2.0.0:
   dependencies:
     imurmurhash "^0.1.4"
 
+universalify@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
@@ -6925,11 +7066,17 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
-w3c-hr-time@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/w3c-hr-time/-/w3c-hr-time-1.0.1.tgz#82ac2bff63d950ea9e3189a58a65625fedf19045"
+w3c-hr-time@^1.0.1, w3c-hr-time@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz#0a89cdf5cc15822df9c360543676963e0cc308cd"
+  dependencies:
+    browser-process-hrtime "^1.0.0"
+
+w3c-xmlserializer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz#3e7104a05b75146cc60f564380b7f683acf1020a"
   dependencies:
-    browser-process-hrtime "^0.1.2"
+    xml-name-validator "^3.0.0"
 
 walker@~1.0.5:
   version "1.0.7"
@@ -6960,6 +7107,14 @@ webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
+webidl-conversions@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-5.0.0.tgz#ae59c8a00b121543a2acc65c0434f57b0fc11aff"
+
+webidl-conversions@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-6.1.0.tgz#9111b4d7ea80acd40f5270d666621afa78b69514"
+
 webpack-dashboard@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/webpack-dashboard/-/webpack-dashboard-1.1.1.tgz#4a017677f5ad5221ad5e862e5987c397a4671b29"
@@ -7062,13 +7217,13 @@ webrtc-adapter@^6.1.5:
     rtcpeerconnection-shim "^1.2.14"
     sdp "^2.9.0"
 
-whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3:
+whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3, whatwg-encoding@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz#5abacf777c32166a51d085d6b4f3e7d27113ddb0"
   dependencies:
     iconv-lite "0.4.24"
 
-whatwg-mimetype@^2.1.0, whatwg-mimetype@^2.2.0:
+whatwg-mimetype@^2.1.0, 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"
 
@@ -7088,6 +7243,14 @@ whatwg-url@^7.0.0:
     tr46 "^1.0.1"
     webidl-conversions "^4.0.2"
 
+whatwg-url@^8.0.0:
+  version "8.7.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-8.7.0.tgz#656a78e510ff8f3937bc0bcbe9f5c0ac35941b77"
+  dependencies:
+    lodash "^4.7.0"
+    tr46 "^2.1.0"
+    webidl-conversions "^6.1.0"
+
 whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
@@ -7165,6 +7328,10 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
+ws@^7.4.4:
+  version "7.5.8"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.8.tgz#ac2729881ab9e7cbaf8787fe3469a48c5c7f636a"
+
 ws@~1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ws/-/ws-1.1.5.tgz#cbd9e6e75e09fc5d2c90015f21f0c40875e0dd51"
@@ -7180,6 +7347,10 @@ xml-name-validator@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"
 
+xmlchars@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/xmlchars/-/xmlchars-2.2.0.tgz#060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb"
+
 xmlhttprequest-ssl@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"