From a40fb4033c5dd335864bde12f36c63d2b0db1aba Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Wed, 3 Mar 2021 04:47:15 +0000
Subject: [PATCH] Bump pug from 2.0.4 to 3.0.1 in /examples/express_js/server

Bumps [pug](https://github.com/pugjs/pug) from 2.0.4 to 3.0.1.
- [Release notes](https://github.com/pugjs/pug/releases)
- [Commits](https://github.com/pugjs/pug/compare/pug@2.0.4...pug@3.0.1)

Signed-off-by: dependabot[bot] <support@github.com>
---
 examples/express_js/server/package-lock.json | 493 +++++++------------
 examples/express_js/server/package.json      |   2 +-
 2 files changed, 179 insertions(+), 316 deletions(-)

diff --git a/examples/express_js/server/package-lock.json b/examples/express_js/server/package-lock.json
index bcd12cc..14fae69 100644
--- a/examples/express_js/server/package-lock.json
+++ b/examples/express_js/server/package-lock.json
@@ -2,6 +2,33 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
+    "@babel/helper-validator-identifier": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.12.11.tgz",
+      "integrity": "sha512-np/lG3uARFybkoHokJUmf1QfEvRVCPbmQeUQpKow5cQ3xWrV9i3rUHodKDJPQfTVX61qKi+UdYk8kik84n7XOw=="
+    },
+    "@babel/parser": {
+      "version": "7.13.9",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.13.9.tgz",
+      "integrity": "sha512-nEUfRiARCcaVo3ny3ZQjURjHQZUo/JkEw7rLlSZy/psWGnvwXFtPcr6jb7Yb41DVW5LTe6KRq9LGleRNsg1Frw=="
+    },
+    "@babel/types": {
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.13.0.tgz",
+      "integrity": "sha512-hE+HE8rnG1Z6Wzo+MhaKE5lM5eMx71T4EHJgku2E3xIfaULhDcxiiRxUYgwX8qwP1BBSlag+TdGOt6JAidIZTA==",
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.12.11",
+        "lodash": "^4.17.19",
+        "to-fast-properties": "^2.0.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        }
+      }
+    },
     "@sindresorhus/is": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.14.0.tgz",
@@ -15,19 +42,6 @@
         "defer-to-connect": "^1.0.1"
       }
     },
-    "@types/babel-types": {
-      "version": "7.0.7",
-      "resolved": "https://registry.npmjs.org/@types/babel-types/-/babel-types-7.0.7.tgz",
-      "integrity": "sha512-dBtBbrc+qTHy1WdfHYjBwRln4+LWqASWakLHsWHR2NWHIFkv4W3O070IGoGLEBrJBvct3r0L1BUPuvURi7kYUQ=="
-    },
-    "@types/babylon": {
-      "version": "6.16.5",
-      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
-      "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
-      "requires": {
-        "@types/babel-types": "*"
-      }
-    },
     "@types/got": {
       "version": "9.6.9",
       "resolved": "https://registry.npmjs.org/@types/got/-/got-9.6.9.tgz",
@@ -64,24 +78,9 @@
       }
     },
     "acorn": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
-      "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
-    },
-    "acorn-globals": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
-      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
-      "requires": {
-        "acorn": "^4.0.4"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "4.0.13",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
-        }
-      }
+      "version": "7.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+      "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A=="
     },
     "aggregate-error": {
       "version": "3.0.1",
@@ -92,16 +91,6 @@
         "indent-string": "^4.0.0"
       }
     },
-    "align-text": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
-      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "requires": {
-        "kind-of": "^3.0.2",
-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
-      }
-    },
     "ansi-align": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
@@ -157,36 +146,24 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "assert-never": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/assert-never/-/assert-never-1.2.1.tgz",
+      "integrity": "sha512-TaTivMB6pYI1kXwrFlEhLeGfOqoDNdTxjCdwRfFFkEA30Eu+k48W34nlok2EYWJfFFzqaEmichdNM7th6M5HNw=="
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
-    "babel-runtime": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
-      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+    "babel-walk": {
+      "version": "3.0.0-canary-5",
+      "resolved": "https://registry.npmjs.org/babel-walk/-/babel-walk-3.0.0-canary-5.tgz",
+      "integrity": "sha512-GAwkz0AihzY5bkwIY5QDR+LvsRQgB/B+1foMPvi0FZPMl5fjD7ICiznUiBdLYMH1QYe6vqu4gWYytZOccLouFw==",
       "requires": {
-        "core-js": "^2.4.0",
-        "regenerator-runtime": "^0.11.0"
+        "@babel/types": "^7.9.6"
       }
     },
-    "babel-types": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
-      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
-      "requires": {
-        "babel-runtime": "^6.26.0",
-        "esutils": "^2.0.2",
-        "lodash": "^4.17.4",
-        "to-fast-properties": "^1.0.3"
-      }
-    },
-    "babylon": {
-      "version": "6.18.0",
-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
-      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ=="
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -294,6 +271,15 @@
         }
       }
     },
+    "call-bind": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
+      "requires": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.2"
+      }
+    },
     "camelcase": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
@@ -306,15 +292,6 @@
       "integrity": "sha512-mYQLZnx5Qt1JgB1WEiMCf2647plpGeQ2NMR/5L0HNZzGQo4fuSPnK+wjfPnKZV0aiJDgzmWqqkV/g7JD+DW0qw==",
       "dev": true
     },
-    "center-align": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
-      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
-      "requires": {
-        "align-text": "^0.1.3",
-        "lazy-cache": "^1.0.3"
-      }
-    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -356,14 +333,6 @@
       "integrity": "sha512-vsGdkwSCDpWmP80ncATX7iea5DWQemg1UgCW5J8tqjU3lYw4FBYuj89J0CTVomA7BEfvSZd84GmHko+MxFQU2A==",
       "dev": true
     },
-    "clean-css": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
-      "integrity": "sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==",
-      "requires": {
-        "source-map": "~0.6.0"
-      }
-    },
     "clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -375,16 +344,6 @@
       "integrity": "sha1-T6kXw+WclKAEzWH47lCdplFocUM=",
       "dev": true
     },
-    "cliui": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
-      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
-      "requires": {
-        "center-align": "^0.1.1",
-        "right-align": "^0.1.1",
-        "wordwrap": "0.0.2"
-      }
-    },
     "clone-response": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/clone-response/-/clone-response-1.0.2.tgz",
@@ -437,14 +396,12 @@
       }
     },
     "constantinople": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.2.tgz",
-      "integrity": "sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-4.0.1.tgz",
+      "integrity": "sha512-vCrqcSIq4//Gx74TXXCGnHpulY1dskqLTFGDmhrGxzeXL8lF8kvXv6mpNWlJj1uD4DW23D4ljAqbY4RRaaUZIw==",
       "requires": {
-        "@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"
       }
     },
     "content-disposition": {
@@ -470,11 +427,6 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
-    "core-js": {
-      "version": "2.6.11",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.11.tgz",
-      "integrity": "sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg=="
-    },
     "create-error-class": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
@@ -509,11 +461,6 @@
         "ms": "2.0.0"
       }
     },
-    "decamelize": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
-    },
     "decompress-response": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
@@ -596,11 +543,6 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
       "dev": true
     },
-    "esutils": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
-      "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g=="
-    },
     "etag": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
@@ -713,6 +655,16 @@
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
     },
+    "get-intrinsic": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.1.1.tgz",
+      "integrity": "sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==",
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3",
+        "has-symbols": "^1.0.1"
+      }
+    },
     "get-stream": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
@@ -776,6 +728,11 @@
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
+    "has-symbols": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+      "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw=="
+    },
     "http-cache-semantics": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.0.3.tgz",
@@ -849,11 +806,6 @@
         "binary-extensions": "^2.0.0"
       }
     },
-    "is-buffer": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
-    },
     "is-ci": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.2.1.tgz",
@@ -863,20 +815,21 @@
         "ci-info": "^1.5.0"
       }
     },
+    "is-core-module": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.2.0.tgz",
+      "integrity": "sha512-XRAfAdyyY5F5cOXn7hYQDqh2Xmii+DEfIcQGxK/uNwMHhIkPWO0g8msXcbzLe+MpGoR951MlqM/2iIlU4vKDdQ==",
+      "requires": {
+        "has": "^1.0.3"
+      }
+    },
     "is-expression": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/is-expression/-/is-expression-3.0.0.tgz",
-      "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/is-expression/-/is-expression-4.0.0.tgz",
+      "integrity": "sha512-zMIXX63sxzG3XrkHkrAPvm/OVZVSCPNkwMHU8oTX7/U3AL78I0QXCEICXUM13BIa8TYGZ68PiTKfQz3yaTNr4A==",
       "requires": {
-        "acorn": "~4.0.2",
-        "object-assign": "^4.0.1"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "4.0.13",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c="
-        }
+        "acorn": "^7.1.1",
+        "object-assign": "^4.1.1"
       }
     },
     "is-extglob": {
@@ -938,9 +891,9 @@
       }
     },
     "is-promise": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
-      "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o="
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.2.2.tgz",
+      "integrity": "sha512-+lP4/6lKUBfQjZ2pdxThZvLUAafmZb8OAxFb8XXtiQmS35INgr85hdOGoEs124ez1FCnZJt6jau/T+alh58QFQ=="
     },
     "is-redirect": {
       "version": "1.0.0",
@@ -949,11 +902,12 @@
       "dev": true
     },
     "is-regex": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.5.tgz",
-      "integrity": "sha512-vlKW17SNq44owv5AQR3Cq0bQPEb8+kF3UKZ2fiZNOWtztYE5i0CzCZxFDwO58qAOWtxdBRVO/V5Qin1wjCqFYQ==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.2.tgz",
+      "integrity": "sha512-axvdhb5pdhEVThqJzYXwMlVuZwC+FF2DpcOhTS+y/8jVq4trxyPgfcwIxIKiyeuLlSQYKkmUaPQJ8ZE4yNKXDg==",
       "requires": {
-        "has": "^1.0.3"
+        "call-bind": "^1.0.2",
+        "has-symbols": "^1.0.1"
       }
     },
     "is-retry-allowed": {
@@ -1009,14 +963,6 @@
         "json-buffer": "3.0.0"
       }
     },
-    "kind-of": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
-      "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-      "requires": {
-        "is-buffer": "^1.1.5"
-      }
-    },
     "latest-version": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/latest-version/-/latest-version-3.1.0.tgz",
@@ -1026,21 +972,11 @@
         "package-json": "^4.0.0"
       }
     },
-    "lazy-cache": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
-      "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4="
-    },
     "lodash": {
       "version": "4.17.15",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
       "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
-    "longest": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
-      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc="
-    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -1435,118 +1371,116 @@
       "dev": true
     },
     "pug": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/pug/-/pug-2.0.4.tgz",
-      "integrity": "sha512-XhoaDlvi6NIzL49nu094R2NA6P37ijtgMDuWE+ofekDChvfKnzFal60bhSdiy8y2PBO6fmz3oMEIcfpBVRUdvw==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/pug/-/pug-3.0.1.tgz",
+      "integrity": "sha512-9v1o2yXMfSKJy2PykKyWUhpgx9Pf9D/UlPgIs2pTTxR6DQZ0oivy4I9f8PlWXRY4sjIhDU4TMJ7hQmYnNJc2bw==",
       "requires": {
-        "pug-code-gen": "^2.0.2",
-        "pug-filters": "^3.1.1",
-        "pug-lexer": "^4.1.0",
-        "pug-linker": "^3.0.6",
-        "pug-load": "^2.0.12",
-        "pug-parser": "^5.0.1",
-        "pug-runtime": "^2.0.5",
-        "pug-strip-comments": "^1.0.4"
+        "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"
       }
     },
     "pug-attrs": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-2.0.4.tgz",
-      "integrity": "sha512-TaZ4Z2TWUPDJcV3wjU3RtUXMrd3kM4Wzjbe3EWnSsZPsJ3LDI0F3yCnf2/W7PPFF+edUFQ0HgDL1IoxSz5K8EQ==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-3.0.0.tgz",
+      "integrity": "sha512-azINV9dUtzPMFQktvTXciNAfAuVh/L/JCl0vtPCwvOA21uZrC08K/UnmrL+SXGEVc1FwzjW62+xw5S/uaLj6cA==",
       "requires": {
-        "constantinople": "^3.0.1",
-        "js-stringify": "^1.0.1",
-        "pug-runtime": "^2.0.5"
+        "constantinople": "^4.0.1",
+        "js-stringify": "^1.0.2",
+        "pug-runtime": "^3.0.0"
       }
     },
     "pug-code-gen": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-2.0.2.tgz",
-      "integrity": "sha512-kROFWv/AHx/9CRgoGJeRSm+4mLWchbgpRzTEn8XCiwwOy6Vh0gAClS8Vh5TEJ9DBjaP8wCjS3J6HKsEsYdvaCw==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-3.0.2.tgz",
+      "integrity": "sha512-nJMhW16MbiGRiyR4miDTQMRWDgKplnHyeLvioEJYbk1RsPI3FuA3saEP8uwnTb2nTJEKBU90NFVWJBk4OU5qyg==",
       "requires": {
-        "constantinople": "^3.1.2",
+        "constantinople": "^4.0.1",
         "doctypes": "^1.1.0",
-        "js-stringify": "^1.0.1",
-        "pug-attrs": "^2.0.4",
-        "pug-error": "^1.3.3",
-        "pug-runtime": "^2.0.5",
-        "void-elements": "^2.0.1",
-        "with": "^5.0.0"
+        "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": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/pug-error/-/pug-error-1.3.3.tgz",
-      "integrity": "sha512-qE3YhESP2mRAWMFJgKdtT5D7ckThRScXRwkfo+Erqga7dyJdY3ZquspprMCj/9sJ2ijm5hXFWQE/A3l4poMWiQ=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pug-error/-/pug-error-2.0.0.tgz",
+      "integrity": "sha512-sjiUsi9M4RAGHktC1drQfCr5C5eriu24Lfbt4s+7SykztEOwVZtbFk1RRq0tzLxcMxMYTBR+zMQaG07J/btayQ=="
     },
     "pug-filters": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/pug-filters/-/pug-filters-3.1.1.tgz",
-      "integrity": "sha512-lFfjNyGEyVWC4BwX0WyvkoWLapI5xHSM3xZJFUhx4JM4XyyRdO8Aucc6pCygnqV2uSgJFaJWW3Ft1wCWSoQkQg==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/pug-filters/-/pug-filters-4.0.0.tgz",
+      "integrity": "sha512-yeNFtq5Yxmfz0f9z2rMXGw/8/4i1cCFecw/Q7+D0V2DdtII5UvqE12VaZ2AY7ri6o5RNXiweGH79OCq+2RQU4A==",
       "requires": {
-        "clean-css": "^4.1.11",
-        "constantinople": "^3.0.1",
+        "constantinople": "^4.0.1",
         "jstransformer": "1.0.0",
-        "pug-error": "^1.3.3",
-        "pug-walk": "^1.1.8",
-        "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": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/pug-lexer/-/pug-lexer-4.1.0.tgz",
-      "integrity": "sha512-i55yzEBtjm0mlplW4LoANq7k3S8gDdfC6+LThGEvsK4FuobcKfDAwt6V4jKPH9RtiE3a2Akfg5UpafZ1OksaPA==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/pug-lexer/-/pug-lexer-5.0.1.tgz",
+      "integrity": "sha512-0I6C62+keXlZPZkOJeVam9aBLVP2EnbeDw3An+k0/QlqdwH6rv8284nko14Na7c0TtqtogfWXcRoFE4O4Ff20w==",
       "requires": {
-        "character-parser": "^2.1.1",
-        "is-expression": "^3.0.0",
-        "pug-error": "^1.3.3"
+        "character-parser": "^2.2.0",
+        "is-expression": "^4.0.0",
+        "pug-error": "^2.0.0"
       }
     },
     "pug-linker": {
-      "version": "3.0.6",
-      "resolved": "https://registry.npmjs.org/pug-linker/-/pug-linker-3.0.6.tgz",
-      "integrity": "sha512-bagfuHttfQOpANGy1Y6NJ+0mNb7dD2MswFG2ZKj22s8g0wVsojpRlqveEQHmgXXcfROB2RT6oqbPYr9EN2ZWzg==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/pug-linker/-/pug-linker-4.0.0.tgz",
+      "integrity": "sha512-gjD1yzp0yxbQqnzBAdlhbgoJL5qIFJw78juN1NpTLt/mfPJ5VgC4BvkoD3G23qKzJtIIXBbcCt6FioLSFLOHdw==",
       "requires": {
-        "pug-error": "^1.3.3",
-        "pug-walk": "^1.1.8"
+        "pug-error": "^2.0.0",
+        "pug-walk": "^2.0.0"
       }
     },
     "pug-load": {
-      "version": "2.0.12",
-      "resolved": "https://registry.npmjs.org/pug-load/-/pug-load-2.0.12.tgz",
-      "integrity": "sha512-UqpgGpyyXRYgJs/X60sE6SIf8UBsmcHYKNaOccyVLEuT6OPBIMo6xMPhoJnqtB3Q3BbO4Z3Bjz5qDsUWh4rXsg==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pug-load/-/pug-load-3.0.0.tgz",
+      "integrity": "sha512-OCjTEnhLWZBvS4zni/WUMjH2YSUosnsmjGBB1An7CsKQarYSWQ0GCVyd4eQPMFJqZ8w9xgs01QdiZXKVjk92EQ==",
       "requires": {
-        "object-assign": "^4.1.0",
-        "pug-walk": "^1.1.8"
+        "object-assign": "^4.1.1",
+        "pug-walk": "^2.0.0"
       }
     },
     "pug-parser": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/pug-parser/-/pug-parser-5.0.1.tgz",
-      "integrity": "sha512-nGHqK+w07p5/PsPIyzkTQfzlYfuqoiGjaoqHv1LjOv2ZLXmGX1O+4Vcvps+P4LhxZ3drYSljjq4b+Naid126wA==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/pug-parser/-/pug-parser-6.0.0.tgz",
+      "integrity": "sha512-ukiYM/9cH6Cml+AOl5kETtM9NR3WulyVP2y4HOU45DyMim1IeP/OOiyEWRr6qk5I5klpsBnbuHpwKmTx6WURnw==",
       "requires": {
-        "pug-error": "^1.3.3",
-        "token-stream": "0.0.1"
+        "pug-error": "^2.0.0",
+        "token-stream": "1.0.0"
       }
     },
     "pug-runtime": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/pug-runtime/-/pug-runtime-2.0.5.tgz",
-      "integrity": "sha512-P+rXKn9un4fQY77wtpcuFyvFaBww7/91f3jHa154qU26qFAnOe6SW1CbIDcxiG5lLK9HazYrMCCuDvNgDQNptw=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/pug-runtime/-/pug-runtime-3.0.1.tgz",
+      "integrity": "sha512-L50zbvrQ35TkpHwv0G6aLSuueDRwc/97XdY8kL3tOT0FmhgG7UypU3VztfV/LATAvmUfYi4wNxSajhSAeNN+Kg=="
     },
     "pug-strip-comments": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/pug-strip-comments/-/pug-strip-comments-1.0.4.tgz",
-      "integrity": "sha512-i5j/9CS4yFhSxHp5iKPHwigaig/VV9g+FgReLJWWHEHbvKsbqL0oP/K5ubuLco6Wu3Kan5p7u7qk8A4oLLh6vw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pug-strip-comments/-/pug-strip-comments-2.0.0.tgz",
+      "integrity": "sha512-zo8DsDpH7eTkPHCXFeAk1xZXJbyoTfdPlNR0bK7rpOMuhBYb0f5qUVCO1xlsitYd3w5FQTK7zpNVKb3rZoUrrQ==",
       "requires": {
-        "pug-error": "^1.3.3"
+        "pug-error": "^2.0.0"
       }
     },
     "pug-walk": {
-      "version": "1.1.8",
-      "resolved": "https://registry.npmjs.org/pug-walk/-/pug-walk-1.1.8.tgz",
-      "integrity": "sha512-GMu3M5nUL3fju4/egXwZO0XLi6fW/K3T3VTgFQ14GxNi8btlxgT5qZL//JwZFm/2Fa64J/PNS8AZeys3wiMkVA=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pug-walk/-/pug-walk-2.0.0.tgz",
+      "integrity": "sha512-yYELe9Q5q9IQhuvqsZNwA5hfPkMJ8u92bQLIMcsMxf/VADjNtEYptU+inlufAFYcWdHlwNfZOEnOOQrZrcyJCQ=="
     },
     "pump": {
       "version": "3.0.0",
@@ -1599,11 +1533,6 @@
         "picomatch": "^2.0.7"
       }
     },
-    "regenerator-runtime": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
-      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
-    },
     "registry-auth-token": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-3.4.0.tgz",
@@ -1623,16 +1552,12 @@
         "rc": "^1.0.1"
       }
     },
-    "repeat-string": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
-      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
-    },
     "resolve": {
-      "version": "1.14.2",
-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.14.2.tgz",
-      "integrity": "sha512-EjlOBLBO1kxsUxsKjLt7TAECyKW6fOh1VRkykQkKGzcBbjjPIxBqGh0jf7GJ3k/f5mxMqW3htMD3WdTUVtW8HQ==",
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.20.0.tgz",
+      "integrity": "sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==",
       "requires": {
+        "is-core-module": "^2.2.0",
         "path-parse": "^1.0.6"
       }
     },
@@ -1644,14 +1569,6 @@
         "lowercase-keys": "^1.0.0"
       }
     },
-    "right-align": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
-      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
-      "requires": {
-        "align-text": "^0.1.1"
-      }
-    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -1741,11 +1658,6 @@
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
       "dev": true
     },
-    "source-map": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
-    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
@@ -1807,9 +1719,9 @@
       "dev": true
     },
     "to-fast-properties": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
     },
     "to-readable-stream": {
       "version": "1.0.0",
@@ -1831,9 +1743,9 @@
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
     "token-stream": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/token-stream/-/token-stream-0.0.1.tgz",
-      "integrity": "sha1-zu78cXp2xDFvEm0LnbqlXX598Bo="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/token-stream/-/token-stream-1.0.0.tgz",
+      "integrity": "sha1-zCAOqyYT9BZtJ/+a/HylbUnfbrQ="
     },
     "touch": {
       "version": "3.1.0",
@@ -1858,29 +1770,6 @@
         "mime-types": "~2.1.24"
       }
     },
-    "uglify-js": {
-      "version": "2.8.29",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
-      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
-      "requires": {
-        "source-map": "~0.5.1",
-        "uglify-to-browserify": "~1.0.0",
-        "yargs": "~3.10.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
-        }
-      }
-    },
-    "uglify-to-browserify": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
-      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
-      "optional": true
-    },
     "undefsafe": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
@@ -1948,9 +1837,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "void-elements": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
-      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-3.1.0.tgz",
+      "integrity": "sha1-YU9/v42AHwu18GYfWy9XhXUOTwk="
     },
     "which": {
       "version": "1.3.1",
@@ -1970,25 +1859,17 @@
         "string-width": "^2.1.1"
       }
     },
-    "window-size": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
-      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
-    },
     "with": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",
-      "integrity": "sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=",
+      "version": "7.0.2",
+      "resolved": "https://registry.npmjs.org/with/-/with-7.0.2.tgz",
+      "integrity": "sha512-RNGKj82nUPg3g5ygxkQl0R937xLyho1J24ItRCBTr/m1YnZkzJy1hUiHUJrc/VlsDQzsCnInEGSg3bci0Lmd4w==",
       "requires": {
-        "acorn": "^3.1.0",
-        "acorn-globals": "^3.0.0"
+        "@babel/parser": "^7.9.6",
+        "@babel/types": "^7.9.6",
+        "assert-never": "^1.2.1",
+        "babel-walk": "3.0.0-canary-5"
       }
     },
-    "wordwrap": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
-      "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8="
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -2016,24 +1897,6 @@
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
-    },
-    "yargs": {
-      "version": "3.10.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-      "requires": {
-        "camelcase": "^1.0.2",
-        "cliui": "^2.1.0",
-        "decamelize": "^1.0.0",
-        "window-size": "0.1.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "1.2.1",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
-          "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk="
-        }
-      }
     }
   }
 }
diff --git a/examples/express_js/server/package.json b/examples/express_js/server/package.json
index 0793db6..e6acf42 100644
--- a/examples/express_js/server/package.json
+++ b/examples/express_js/server/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "express": "^4.17.1",
     "openid-client": "^3.11.0",
-    "pug": "^2.0.4"
+    "pug": "^3.0.1"
   },
   "devDependencies": {
     "nodemon": "^2.0.2"