diff --git a/package.json b/package.json
index 03c9f0e..6de0bdf 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,6 @@
   },
   "dependencies": {
     "mark-twain": "^2.0.3",
-    "pug": "^2.0.3"
+    "pug": "^3.0.1"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index d0cd5ac..d7b33ad 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,17 +2,24 @@
 # yarn lockfile v1
 
 
-"@types/babel-types@*", "@types/babel-types@^7.0.0":
-  version "7.0.6"
-  resolved "https://registry.yarnpkg.com/@types/babel-types/-/babel-types-7.0.6.tgz#a7cfaaeee96e90c4c54da0e580aaff3f4cffacac"
-  integrity sha512-8zYZyy2kgwBXdz2j8Ix7LOghGiZbOiHf6vqmmBX1r76FdAzVNv7cODyJTEglUWiOdRnXh0s/o58neUwv5vaitQ==
+"@babel/helper-validator-identifier@^7.12.11":
+  version "7.12.11"
+  resolved "https://registry.yarnpkg.com/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz#c9a1f021917dcb5ccf0d4e453e399022981fc9ed"
+  integrity sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw==
 
-"@types/babylon@^6.16.2":
-  version "6.16.5"
-  resolved "https://registry.yarnpkg.com/@types/babylon/-/babylon-6.16.5.tgz#1c5641db69eb8cdf378edd25b4be7754beeb48b4"
-  integrity sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==
+"@babel/parser@^7.6.0", "@babel/parser@^7.9.6":
+  version "7.13.9"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.9.tgz#ca34cb95e1c2dd126863a84465ae8ef66114be99"
+  integrity sha512-nEUfRiARCcaVo3ny3ZQjURjHQZUo/JkEw7rLlSZy/psWGnvwXFtPcr6jb7Yb41DVW5LTe6KRq9LGleRNsg1Frw==
+
+"@babel/types@^7.6.1", "@babel/types@^7.9.6":
+  version "7.13.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.13.0.tgz#74424d2816f0171b4100f0ab34e9a374efdf7f80"
+  integrity sha512-hE+HE8rnG1Z6Wzo+MhaKE5lM5eMx71T4EHJgku2E3xIfaULhDcxiiRxUYgwX8qwP1BBSlag+TdGOt6JAidIZTA==
   dependencies:
-    "@types/babel-types" "*"
+    "@babel/helper-validator-identifier" "^7.12.11"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
 
 abab@^1.0.0:
   version "1.0.4"
@@ -31,27 +38,15 @@ acorn-globals@^1.0.4:
   dependencies:
     acorn "^2.1.0"
 
-acorn-globals@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-3.1.0.tgz#fd8270f71fbb4996b004fa880ee5d46573a731bf"
-  integrity sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=
-  dependencies:
-    acorn "^4.0.4"
-
 acorn@^2.1.0, acorn@^2.4.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-2.7.0.tgz#ab6e7d9d886aaca8b085bc3312b79a198433f0e7"
   integrity sha1-q259nYhqrKiwhbwzEreaGYQz8Oc=
 
-acorn@^3.1.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
-  integrity sha1-ReN/s56No/JbruP/U2niu18iAXo=
-
-acorn@^4.0.4, acorn@~4.0.2:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
-  integrity sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=
+acorn@^7.1.1:
+  version "7.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
+  integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
 ajv@^6.5.5:
   version "6.10.0"
@@ -63,15 +58,6 @@ ajv@^6.5.5:
     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"
-  integrity sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=
-  dependencies:
-    kind-of "^3.0.2"
-    longest "^1.0.1"
-    repeat-string "^1.5.2"
-
 ansi-align@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-2.0.0.tgz#c36aeccba563b89ceb556f3690f0b1d9e3547f7f"
@@ -171,6 +157,11 @@ asn1@~0.2.3:
   dependencies:
     safer-buffer "~2.1.0"
 
+assert-never@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/assert-never/-/assert-never-1.2.1.tgz#11f0e363bf146205fb08193b5c7b90f4d1cf44fe"
+  integrity sha512-TaTivMB6pYI1kXwrFlEhLeGfOqoDNdTxjCdwRfFFkEA30Eu+k48W34nlok2EYWJfFFzqaEmichdNM7th6M5HNw==
+
 assert-plus@1.0.0, assert-plus@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
@@ -211,28 +202,12 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.8.0.tgz#f0e003d9ca9e7f59c7a508945d7b2ef9a04a542f"
   integrity sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==
 
-babel-runtime@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
-  integrity sha1-llxwWGaOgrVde/4E/yM3vItWR/4=
+babel-walk@3.0.0-canary-5:
+  version "3.0.0-canary-5"
+  resolved "https://registry.yarnpkg.com/babel-walk/-/babel-walk-3.0.0-canary-5.tgz#f66ecd7298357aee44955f235a6ef54219104b11"
+  integrity sha512-GAwkz0AihzY5bkwIY5QDR+LvsRQgB/B+1foMPvi0FZPMl5fjD7ICiznUiBdLYMH1QYe6vqu4gWYytZOccLouFw==
   dependencies:
-    core-js "^2.4.0"
-    regenerator-runtime "^0.11.0"
-
-babel-types@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
-  integrity sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=
-  dependencies:
-    babel-runtime "^6.26.0"
-    esutils "^2.0.2"
-    lodash "^4.17.4"
-    to-fast-properties "^1.0.3"
-
-babylon@^6.18.0:
-  version "6.18.0"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
-  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
+    "@babel/types" "^7.9.6"
 
 bail@^1.0.0:
   version "1.0.3"
@@ -326,11 +301,6 @@ cache-base@^1.0.1:
     union-value "^1.0.0"
     unset-value "^1.0.0"
 
-camelcase@^1.0.2:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
-  integrity sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=
-
 camelcase@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -356,14 +326,6 @@ ccount@^1.0.0:
   resolved "https://registry.yarnpkg.com/ccount/-/ccount-1.0.3.tgz#f1cec43f332e2ea5a569fd46f9f5bde4e6102aff"
   integrity sha512-Jt9tIBkRc9POUof7QA/VwWd+58fKkEEfI+/t1/eOlxKM7ZhrczNzMFefge7Ai+39y1pR/pP6cI19guHy3FSLmw==
 
-center-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
-  integrity sha1-qg0yYptu6XIgBBHL1EYckHvCt60=
-  dependencies:
-    align-text "^0.1.3"
-    lazy-cache "^1.0.3"
-
 chai@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
@@ -400,7 +362,7 @@ character-entities@^1.0.0:
   resolved "https://registry.yarnpkg.com/character-entities/-/character-entities-1.2.2.tgz#58c8f371c0774ef0ba9b2aca5f00d8f100e6e363"
   integrity sha512-sMoHX6/nBiy3KKfC78dnEalnpn0Az0oSNvqUWYTtYrhRI5iUIYsROU48G+E+kMFQzqXaJ8kHJZ85n7y6/PHgwQ==
 
-character-parser@^2.1.1:
+character-parser@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/character-parser/-/character-parser-2.2.0.tgz#c7ce28f36d4bcd9744e5ffc2c5fcde1c73261fc0"
   integrity sha1-x84o821LzZdE5f/CxfzeHHMmH8A=
@@ -456,27 +418,11 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-clean-css@^4.1.11:
-  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"
-
 cli-boxes@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
   integrity sha1-T6kXw+WclKAEzWH47lCdplFocUM=
 
-cliui@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
-  integrity sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=
-  dependencies:
-    center-align "^0.1.1"
-    right-align "^0.1.1"
-    wordwrap "0.0.2"
-
 cliui@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.1.0.tgz#348422dbe82d800b3022eef4f6ac10bf2e4d1b49"
@@ -555,26 +501,19 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
   integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
 
-constantinople@^3.0.1:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/constantinople/-/constantinople-3.1.2.tgz#d45ed724f57d3d10500017a7d3a889c1381ae647"
-  integrity sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==
+constantinople@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/constantinople/-/constantinople-4.0.1.tgz#0def113fa0e4dc8de83331a5cf79c8b325213151"
+  integrity sha512-vCrqcSIq4//Gx74TXXCGnHpulY1dskqLTFGDmhrGxzeXL8lF8kvXv6mpNWlJj1uD4DW23D4ljAqbY4RRaaUZIw==
   dependencies:
-    "@types/babel-types" "^7.0.0"
-    "@types/babylon" "^6.16.2"
-    babel-types "^6.26.0"
-    babylon "^6.18.0"
+    "@babel/parser" "^7.6.0"
+    "@babel/types" "^7.6.1"
 
 copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
-core-js@^2.4.0:
-  version "2.6.5"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
-  integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
-
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -652,7 +591,7 @@ debug@^4.1.0:
   dependencies:
     ms "^2.1.1"
 
-decamelize@^1.0.0, decamelize@^1.2.0:
+decamelize@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
@@ -1291,6 +1230,13 @@ is-ci@^1.0.10:
   dependencies:
     ci-info "^1.5.0"
 
+is-core-module@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.2.0.tgz#97037ef3d52224d85163f5597b2b63d9afed981a"
+  integrity sha512-XRAfAdyyY5F5cOXn7hYQDqh2Xmii+DEfIcQGxK/uNwMHhIkPWO0g8msXcbzLe+MpGoR951MlqM/2iIlU4vKDdQ==
+  dependencies:
+    has "^1.0.3"
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -1333,13 +1279,13 @@ is-descriptor@^1.0.0, is-descriptor@^1.0.2:
     is-data-descriptor "^1.0.0"
     kind-of "^6.0.2"
 
-is-expression@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-3.0.0.tgz#39acaa6be7fd1f3471dc42c7416e61c24317ac9f"
-  integrity sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=
+is-expression@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-4.0.0.tgz#c33155962abf21d0afd2552514d67d2ec16fd2ab"
+  integrity sha512-zMIXX63sxzG3XrkHkrAPvm/OVZVSCPNkwMHU8oTX7/U3AL78I0QXCEICXUM13BIa8TYGZ68PiTKfQz3yaTNr4A==
   dependencies:
-    acorn "~4.0.2"
-    object-assign "^4.0.1"
+    acorn "^7.1.1"
+    object-assign "^4.1.1"
 
 is-extendable@^0.1.0, is-extendable@^0.1.1:
   version "0.1.1"
@@ -1499,7 +1445,7 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
-js-stringify@^1.0.1:
+js-stringify@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/js-stringify/-/js-stringify-1.0.2.tgz#1736fddfd9724f28a3682adc6230ae7e4e9679db"
   integrity sha1-Fzb939lyTyijaCrcYjCufk6Weds=
@@ -1619,11 +1565,6 @@ latest-version@^3.0.0:
   dependencies:
     package-json "^4.0.0"
 
-lazy-cache@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
-  integrity sha1-odePw6UEdMuAhF07O24dpJpEbo4=
-
 lcid@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/lcid/-/lcid-2.0.0.tgz#6ef5d2df60e52f82eb228a4c373e8d1f397253cf"
@@ -1647,11 +1588,16 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@^4.17.11, lodash@^4.17.4:
+lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
   integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
 
+lodash@^4.17.19:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 log-symbols@2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"
@@ -1664,11 +1610,6 @@ longest-streak@^1.0.0:
   resolved "https://registry.yarnpkg.com/longest-streak/-/longest-streak-1.0.0.tgz#d06597c4d4c31b52ccb1f5d8f8fe7148eafd6965"
   integrity sha1-0GWXxNTDG1LMsfXY+P5xSOr9aWU=
 
-longest@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
-  integrity sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=
-
 lowercase-keys@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.1.tgz#6f9e30b47084d971a7c820ff15a6c5167b74c26f"
@@ -2001,7 +1942,7 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
-object-assign@^4.0.1, object-assign@^4.1.0:
+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"
   integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
@@ -2251,110 +2192,108 @@ pstree.remy@^1.1.6:
   resolved "https://registry.yarnpkg.com/pstree.remy/-/pstree.remy-1.1.6.tgz#73a55aad9e2d95814927131fbf4dc1b62d259f47"
   integrity sha512-NdF35+QsqD7EgNEI5mkI/X+UwaxVEbQaz9f4IooEmMUv6ZPmlTQYGjBPJGgrlzNdjSvIy4MWMg6Q6vCgBO2K+w==
 
-pug-attrs@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/pug-attrs/-/pug-attrs-2.0.3.tgz#a3095f970e64151f7bdad957eef55fb5d7905d15"
-  integrity sha1-owlflw5kFR972tlX7vVftdeQXRU=
+pug-attrs@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pug-attrs/-/pug-attrs-3.0.0.tgz#b10451e0348165e31fad1cc23ebddd9dc7347c41"
+  integrity sha512-azINV9dUtzPMFQktvTXciNAfAuVh/L/JCl0vtPCwvOA21uZrC08K/UnmrL+SXGEVc1FwzjW62+xw5S/uaLj6cA==
   dependencies:
-    constantinople "^3.0.1"
-    js-stringify "^1.0.1"
-    pug-runtime "^2.0.4"
+    constantinople "^4.0.1"
+    js-stringify "^1.0.2"
+    pug-runtime "^3.0.0"
 
-pug-code-gen@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/pug-code-gen/-/pug-code-gen-2.0.1.tgz#0951ec83225d74d8cfc476a7f99a259b5f7d050c"
-  integrity sha1-CVHsgyJddNjPxHan+Zolm199BQw=
+pug-code-gen@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/pug-code-gen/-/pug-code-gen-3.0.2.tgz#ad190f4943133bf186b60b80de483100e132e2ce"
+  integrity sha512-nJMhW16MbiGRiyR4miDTQMRWDgKplnHyeLvioEJYbk1RsPI3FuA3saEP8uwnTb2nTJEKBU90NFVWJBk4OU5qyg==
   dependencies:
-    constantinople "^3.0.1"
+    constantinople "^4.0.1"
     doctypes "^1.1.0"
-    js-stringify "^1.0.1"
-    pug-attrs "^2.0.3"
-    pug-error "^1.3.2"
-    pug-runtime "^2.0.4"
-    void-elements "^2.0.1"
-    with "^5.0.0"
-
-pug-error@^1.3.2:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/pug-error/-/pug-error-1.3.2.tgz#53ae7d9d29bb03cf564493a026109f54c47f5f26"
-  integrity sha1-U659nSm7A89WRJOgJhCfVMR/XyY=
+    js-stringify "^1.0.2"
+    pug-attrs "^3.0.0"
+    pug-error "^2.0.0"
+    pug-runtime "^3.0.0"
+    void-elements "^3.1.0"
+    with "^7.0.0"
+
+pug-error@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pug-error/-/pug-error-2.0.0.tgz#5c62173cb09c34de2a2ce04f17b8adfec74d8ca5"
+  integrity sha512-sjiUsi9M4RAGHktC1drQfCr5C5eriu24Lfbt4s+7SykztEOwVZtbFk1RRq0tzLxcMxMYTBR+zMQaG07J/btayQ==
 
-pug-filters@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/pug-filters/-/pug-filters-3.1.0.tgz#27165555bc04c236e4aa2b0366246dfa021b626e"
-  integrity sha1-JxZVVbwEwjbkqisDZiRt+gIbYm4=
+pug-filters@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/pug-filters/-/pug-filters-4.0.0.tgz#d3e49af5ba8472e9b7a66d980e707ce9d2cc9b5e"
+  integrity sha512-yeNFtq5Yxmfz0f9z2rMXGw/8/4i1cCFecw/Q7+D0V2DdtII5UvqE12VaZ2AY7ri6o5RNXiweGH79OCq+2RQU4A==
   dependencies:
-    clean-css "^4.1.11"
-    constantinople "^3.0.1"
+    constantinople "^4.0.1"
     jstransformer "1.0.0"
-    pug-error "^1.3.2"
-    pug-walk "^1.1.7"
-    resolve "^1.1.6"
-    uglify-js "^2.6.1"
+    pug-error "^2.0.0"
+    pug-walk "^2.0.0"
+    resolve "^1.15.1"
 
-pug-lexer@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/pug-lexer/-/pug-lexer-4.0.0.tgz#210c18457ef2e1760242740c5e647bd794cec278"
-  integrity sha1-IQwYRX7y4XYCQnQMXmR715TOwng=
+pug-lexer@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/pug-lexer/-/pug-lexer-5.0.1.tgz#ae44628c5bef9b190b665683b288ca9024b8b0d5"
+  integrity sha512-0I6C62+keXlZPZkOJeVam9aBLVP2EnbeDw3An+k0/QlqdwH6rv8284nko14Na7c0TtqtogfWXcRoFE4O4Ff20w==
   dependencies:
-    character-parser "^2.1.1"
-    is-expression "^3.0.0"
-    pug-error "^1.3.2"
+    character-parser "^2.2.0"
+    is-expression "^4.0.0"
+    pug-error "^2.0.0"
 
-pug-linker@^3.0.5:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/pug-linker/-/pug-linker-3.0.5.tgz#9e9a7ae4005682d027deeb96b000f88eeb83a02f"
-  integrity sha1-npp65ABWgtAn3uuWsAD4juuDoC8=
+pug-linker@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/pug-linker/-/pug-linker-4.0.0.tgz#12cbc0594fc5a3e06b9fc59e6f93c146962a7708"
+  integrity sha512-gjD1yzp0yxbQqnzBAdlhbgoJL5qIFJw78juN1NpTLt/mfPJ5VgC4BvkoD3G23qKzJtIIXBbcCt6FioLSFLOHdw==
   dependencies:
-    pug-error "^1.3.2"
-    pug-walk "^1.1.7"
+    pug-error "^2.0.0"
+    pug-walk "^2.0.0"
 
-pug-load@^2.0.11:
-  version "2.0.11"
-  resolved "https://registry.yarnpkg.com/pug-load/-/pug-load-2.0.11.tgz#e648e57ed113fe2c1f45d57858ea2bad6bc01527"
-  integrity sha1-5kjlftET/iwfRdV4WOorrWvAFSc=
+pug-load@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pug-load/-/pug-load-3.0.0.tgz#9fd9cda52202b08adb11d25681fb9f34bd41b662"
+  integrity sha512-OCjTEnhLWZBvS4zni/WUMjH2YSUosnsmjGBB1An7CsKQarYSWQ0GCVyd4eQPMFJqZ8w9xgs01QdiZXKVjk92EQ==
   dependencies:
-    object-assign "^4.1.0"
-    pug-walk "^1.1.7"
+    object-assign "^4.1.1"
+    pug-walk "^2.0.0"
 
-pug-parser@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/pug-parser/-/pug-parser-5.0.0.tgz#e394ad9b3fca93123940aff885c06e44ab7e68e4"
-  integrity sha1-45Stmz/KkxI5QK/4hcBuRKt+aOQ=
+pug-parser@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/pug-parser/-/pug-parser-6.0.0.tgz#a8fdc035863a95b2c1dc5ebf4ecf80b4e76a1260"
+  integrity sha512-ukiYM/9cH6Cml+AOl5kETtM9NR3WulyVP2y4HOU45DyMim1IeP/OOiyEWRr6qk5I5klpsBnbuHpwKmTx6WURnw==
   dependencies:
-    pug-error "^1.3.2"
-    token-stream "0.0.1"
+    pug-error "^2.0.0"
+    token-stream "1.0.0"
 
-pug-runtime@^2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/pug-runtime/-/pug-runtime-2.0.4.tgz#e178e1bda68ab2e8c0acfc9bced2c54fd88ceb58"
-  integrity sha1-4XjhvaaKsujArPybztLFT9iM61g=
+pug-runtime@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/pug-runtime/-/pug-runtime-3.0.1.tgz#f636976204723f35a8c5f6fad6acda2a191b83d7"
+  integrity sha512-L50zbvrQ35TkpHwv0G6aLSuueDRwc/97XdY8kL3tOT0FmhgG7UypU3VztfV/LATAvmUfYi4wNxSajhSAeNN+Kg==
 
-pug-strip-comments@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/pug-strip-comments/-/pug-strip-comments-1.0.3.tgz#f1559592206edc6f85310dacf4afb48a025af59f"
-  integrity sha1-8VWVkiBu3G+FMQ2s9K+0igJa9Z8=
+pug-strip-comments@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pug-strip-comments/-/pug-strip-comments-2.0.0.tgz#f94b07fd6b495523330f490a7f554b4ff876303e"
+  integrity sha512-zo8DsDpH7eTkPHCXFeAk1xZXJbyoTfdPlNR0bK7rpOMuhBYb0f5qUVCO1xlsitYd3w5FQTK7zpNVKb3rZoUrrQ==
   dependencies:
-    pug-error "^1.3.2"
+    pug-error "^2.0.0"
 
-pug-walk@^1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/pug-walk/-/pug-walk-1.1.7.tgz#c00d5c5128bac5806bec15d2b7e7cdabe42531f3"
-  integrity sha1-wA1cUSi6xYBr7BXSt+fNq+QlMfM=
+pug-walk@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pug-walk/-/pug-walk-2.0.0.tgz#417aabc29232bb4499b5b5069a2b2d2a24d5f5fe"
+  integrity sha512-yYELe9Q5q9IQhuvqsZNwA5hfPkMJ8u92bQLIMcsMxf/VADjNtEYptU+inlufAFYcWdHlwNfZOEnOOQrZrcyJCQ==
 
-pug@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/pug/-/pug-2.0.3.tgz#71cba82537c95a5eab7ed04696e4221f53aa878e"
-  integrity sha1-ccuoJTfJWl6rftBGluQiH1Oqh44=
-  dependencies:
-    pug-code-gen "^2.0.1"
-    pug-filters "^3.1.0"
-    pug-lexer "^4.0.0"
-    pug-linker "^3.0.5"
-    pug-load "^2.0.11"
-    pug-parser "^5.0.0"
-    pug-runtime "^2.0.4"
-    pug-strip-comments "^1.0.3"
+pug@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/pug/-/pug-3.0.1.tgz#9b287554043e6d18852673a382b0350595bdc067"
+  integrity sha512-9v1o2yXMfSKJy2PykKyWUhpgx9Pf9D/UlPgIs2pTTxR6DQZ0oivy4I9f8PlWXRY4sjIhDU4TMJ7hQmYnNJc2bw==
+  dependencies:
+    pug-code-gen "^3.0.2"
+    pug-filters "^4.0.0"
+    pug-lexer "^5.0.0"
+    pug-linker "^4.0.0"
+    pug-load "^3.0.0"
+    pug-parser "^6.0.0"
+    pug-runtime "^3.0.0"
+    pug-strip-comments "^2.0.0"
 
 pump@^3.0.0:
   version "3.0.0"
@@ -2411,11 +2350,6 @@ readdirp@^2.2.1:
     micromatch "^3.1.10"
     readable-stream "^2.0.2"
 
-regenerator-runtime@^0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
-  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
-
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
@@ -2487,7 +2421,7 @@ repeat-element@^1.1.2:
   resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
   integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
 
-repeat-string@^1.5.2, repeat-string@^1.5.4, repeat-string@^1.6.1:
+repeat-string@^1.5.4, repeat-string@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
   integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
@@ -2538,11 +2472,12 @@ resolve-url@^0.2.1:
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
-resolve@^1.1.6:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.10.0.tgz#3bdaaeaf45cc07f375656dfd2e54ed0810b101ba"
-  integrity sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==
+resolve@^1.15.1:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
+  integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
   dependencies:
+    is-core-module "^2.2.0"
     path-parse "^1.0.6"
 
 ret@~0.1.10:
@@ -2550,13 +2485,6 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-right-align@^0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
-  integrity sha1-YTObci/mo1FWiSENJOFMlhSGE+8=
-  dependencies:
-    align-text "^0.1.1"
-
 rimraf@^2.6.1:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
@@ -2686,12 +2614,12 @@ source-map-url@^0.4.0:
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
   integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
 
-source-map@^0.5.6, source-map@~0.5.1:
+source-map@^0.5.6:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
-source-map@~0.6.0, source-map@~0.6.1:
+source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
@@ -2849,10 +2777,10 @@ timed-out@^4.0.0:
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
   integrity sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=
 
-to-fast-properties@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
-  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
+to-fast-properties@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-2.0.0.tgz#dc5e698cbd079265bc73e0377681a4e4e83f616e"
+  integrity sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=
 
 to-object-path@^0.3.0:
   version "0.3.0"
@@ -2879,10 +2807,10 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-token-stream@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/token-stream/-/token-stream-0.0.1.tgz#ceeefc717a76c4316f126d0b9dbaa55d7e7df01a"
-  integrity sha1-zu78cXp2xDFvEm0LnbqlXX598Bo=
+token-stream@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/token-stream/-/token-stream-1.0.0.tgz#cc200eab2613f4166d27ff9afc7ca56d49df6eb4"
+  integrity sha1-zCAOqyYT9BZtJ/+a/HylbUnfbrQ=
 
 touch@^3.1.0:
   version "3.1.0"
@@ -2951,21 +2879,6 @@ type-detect@^4.0.0, type-detect@^4.0.5:
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-uglify-js@^2.6.1:
-  version "2.8.29"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
-  integrity sha1-KcVzMUgFe7Th913zW3qcty5qWd0=
-  dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
-
-uglify-to-browserify@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
-  integrity sha1-bgkk1r2mta/jSeOabWMoUKD4grc=
-
 undefsafe@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.2.tgz#225f6b9e0337663e0d8e7cfd686fc2836ccace76"
@@ -3123,10 +3036,10 @@ vfile@^1.0.0:
   resolved "https://registry.yarnpkg.com/vfile/-/vfile-1.4.0.tgz#c0fd6fa484f8debdb771f68c31ed75d88da97fe7"
   integrity sha1-wP1vpIT43r23cfaMMe112I2pf+c=
 
-void-elements@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-2.0.1.tgz#c066afb582bb1cb4128d60ea92392e94d5e9dbec"
-  integrity sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=
+void-elements@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-3.1.0.tgz#614f7fbf8d801f0bb5f0661f5b2f5785750e4f09"
+  integrity sha1-YU9/v42AHwu18GYfWy9XhXUOTwk=
 
 webidl-conversions@^3.0.0, webidl-conversions@^3.0.1:
   version "3.0.1"
@@ -3167,23 +3080,15 @@ widest-line@^2.0.0:
   dependencies:
     string-width "^2.1.1"
 
-window-size@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
-  integrity sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=
-
-with@^5.0.0:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/with/-/with-5.1.1.tgz#fa4daa92daf32c4ea94ed453c81f04686b575dfe"
-  integrity sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=
+with@^7.0.0:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/with/-/with-7.0.2.tgz#ccee3ad542d25538a7a7a80aad212b9828495bac"
+  integrity sha512-RNGKj82nUPg3g5ygxkQl0R937xLyho1J24ItRCBTr/m1YnZkzJy1hUiHUJrc/VlsDQzsCnInEGSg3bci0Lmd4w==
   dependencies:
-    acorn "^3.1.0"
-    acorn-globals "^3.0.0"
-
-wordwrap@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
-  integrity sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=
+    "@babel/parser" "^7.9.6"
+    "@babel/types" "^7.9.6"
+    assert-never "^1.2.1"
+    babel-walk "3.0.0-canary-5"
 
 wordwrap@~1.0.0:
   version "1.0.0"
@@ -3309,13 +3214,3 @@ yargs@^12.0.5:
     which-module "^2.0.0"
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  integrity sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"