Add basic htmllint config

.htmllintrc

@@ -0,0 +1,5 @@
+{
+  "attr-name-style": "dash",
+  "id-class-style": "dash",
+  "indent-width": 2
+}

package-lock.json

@@ -315,6 +315,12 @@
       "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
       "dev": true
     },
+    "bluebird": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
+      "integrity": "sha1-eRQg1/VR7qKJdFOop3ZT+WYG1nw=",
+      "dev": true
+    },
     "bn.js": {
       "version": "4.11.6",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
@@ -455,12 +461,44 @@
       "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=",
       "dev": true
     },
+    "builtin-modules": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+      "dev": true
+    },
     "builtin-status-codes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz",
       "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug=",
       "dev": true
     },
+    "bulk-require": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/bulk-require/-/bulk-require-1.0.0.tgz",
+      "integrity": "sha1-fITp3SWgN3wNDeqpIHIwcUG0PKg=",
+      "dev": true,
+      "dependencies": {
+        "glob": {
+          "version": "3.2.11",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-3.2.11.tgz",
+          "integrity": "sha1-Spc/Y1uRkPcV0QmH1cAP0oFevj0=",
+          "dev": true
+        },
+        "lru-cache": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
+          "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
+          "dev": true
+        },
+        "minimatch": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-0.3.0.tgz",
+          "integrity": "sha1-J12O2qxPG7MyZHIInnlJyDlGmd0=",
+          "dev": true
+        }
+      }
+    },
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       "resolved": "https://registry.npmjs.org/busboy/-/busboy-0.2.14.tgz",
@@ -531,6 +569,12 @@
       "integrity": "sha1-vos2rvzN6LPKeqLWr8B6NyQsDS0=",
       "dev": true
     },
+    "cjson": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/cjson/-/cjson-0.5.0.tgz",
+      "integrity": "sha1-oPSGAeAWFk37LG2JHjgMlsramDk=",
+      "dev": true
+    },
     "cli-cursor": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
@@ -809,8 +853,7 @@
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       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
-      "optional": true
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "deep-extend": {
       "version": "0.4.2",
@@ -877,6 +920,12 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "detect-file": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-0.1.0.tgz",
+      "integrity": "sha1-STXe39lIhkjgBrASlWbpOGcR6mM=",
+      "dev": true
+    },
     "detective": {
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       "resolved": "https://registry.npmjs.org/detective/-/detective-4.5.0.tgz",
@@ -908,12 +957,44 @@
         }
       }
     },
+    "dom-serializer": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.1.0.tgz",
+      "integrity": "sha1-BzxpdUbOB4DOI75KKOKT5AvDDII=",
+      "dev": true,
+      "dependencies": {
+        "domelementtype": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
+          "dev": true
+        }
+      }
+    },
     "domain-browser": {
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/domain-browser/-/domain-browser-1.1.7.tgz",
       "integrity": "sha1-hnqksJP6oF8d4IwG9NeyH9+GmLw=",
       "dev": true
     },
+    "domelementtype": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
+      "integrity": "sha1-sXrtguirWeUt2cGbF1bg/BhyBMI=",
+      "dev": true
+    },
+    "domhandler": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-2.4.1.tgz",
+      "integrity": "sha1-iS5HAAqZvlW783dP/qBWHYh5wlk=",
+      "dev": true
+    },
+    "domutils": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-1.6.2.tgz",
+      "integrity": "sha1-GVjMC0yUJuntNn+xyOhUiRsPo/8=",
+      "dev": true
+    },
     "double-ended-queue": {
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       "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
@@ -973,6 +1054,18 @@
       "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.12.tgz",
       "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s="
     },
+    "entities": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-1.1.1.tgz",
+      "integrity": "sha1-blwtClYhtdra7O+AuQ7ftc13cvA=",
+      "dev": true
+    },
+    "error-ex": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.1.tgz",
+      "integrity": "sha1-+FWobOYa3E6GIcPNoh56dhLDqNw=",
+      "dev": true
+    },
     "es5-ext": {
       "version": "0.10.23",
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.23.tgz",
@@ -1036,6 +1129,12 @@
           "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz",
           "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
           "dev": true
+        },
+        "strip-bom": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+          "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+          "dev": true
         }
       }
     },
@@ -1144,6 +1243,12 @@
       "integrity": "sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=",
       "dev": true
     },
+    "expand-tilde": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/expand-tilde/-/expand-tilde-1.2.2.tgz",
+      "integrity": "sha1-C4HrqJflo9MdHD0QL48BRB5VlEk=",
+      "dev": true
+    },
     "express": {
       "version": "4.15.3",
       "resolved": "https://registry.npmjs.org/express/-/express-4.15.3.tgz",
@@ -1165,8 +1270,7 @@
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       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
       "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "extglob": {
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@@ -1215,6 +1319,30 @@
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.0.3.tgz",
       "integrity": "sha1-70fneVDpmXgOhgIqVg4yF+DQzIk="
     },
+    "find-up": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
+      "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
+      "dev": true
+    },
+    "findup-sync": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/findup-sync/-/findup-sync-0.4.3.tgz",
+      "integrity": "sha1-QAQ5Kee8YK3wt/SCfExudaDeyhI=",
+      "dev": true
+    },
+    "fined": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/fined/-/fined-1.0.2.tgz",
+      "integrity": "sha1-WyhCS3YNdZiWC374SA3/itNmDpc=",
+      "dev": true
+    },
+    "flagged-respawn": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/flagged-respawn/-/flagged-respawn-0.3.2.tgz",
+      "integrity": "sha1-/xke3c1wiKZ1smEP/8l2vpuAdLU=",
+      "dev": true
+    },
     "flat-cache": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-1.2.2.tgz",
@@ -1262,6 +1390,12 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.0.tgz",
       "integrity": "sha1-9HTKXmqSRtb9jglTz6m5yAWvp44="
     },
+    "fs-exists-sync": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/fs-exists-sync/-/fs-exists-sync-0.1.0.tgz",
+      "integrity": "sha1-mC1ok6+RjnLQjeyehnP/K1qNat0=",
+      "dev": true
+    },
     "fs-extra": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-3.0.1.tgz",
@@ -1317,6 +1451,12 @@
       "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
       "dev": true
     },
+    "get-caller-file": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
+      "integrity": "sha1-9wLmMSfn4jHBYKgMFVSstw1QR+U=",
+      "dev": true
+    },
     "getpass": {
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       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
@@ -1351,6 +1491,34 @@
       "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
       "dev": true
     },
+    "global-modules": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/global-modules/-/global-modules-0.2.3.tgz",
+      "integrity": "sha1-6lo77ULG1s6ZWk+KEmm12uIjgo0=",
+      "dev": true,
+      "dependencies": {
+        "is-windows": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-0.2.0.tgz",
+          "integrity": "sha1-3hqm1j6indJIc3tp8f+LgALSEIw=",
+          "dev": true
+        }
+      }
+    },
+    "global-prefix": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/global-prefix/-/global-prefix-0.1.5.tgz",
+      "integrity": "sha1-jTvGuNo8qBEqFg2NSW/wRiv+948=",
+      "dev": true,
+      "dependencies": {
+        "is-windows": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-0.2.0.tgz",
+          "integrity": "sha1-3hqm1j6indJIc3tp8f+LgALSEIw=",
+          "dev": true
+        }
+      }
+    },
     "globals": {
       "version": "9.18.0",
       "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
@@ -1443,12 +1611,82 @@
       "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
       "dev": true
     },
+    "homedir-polyfill": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/homedir-polyfill/-/homedir-polyfill-1.0.1.tgz",
+      "integrity": "sha1-TCu8inWJmP7r9e1oWA921GdotLw=",
+      "dev": true
+    },
+    "hosted-git-info": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.4.2.tgz",
+      "integrity": "sha1-AHa59GonBQbduq6lZJaJdGBhKmc=",
+      "dev": true
+    },
     "htmlescape": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/htmlescape/-/htmlescape-1.1.1.tgz",
       "integrity": "sha1-OgPtwiFLyjtmQko+eVk0lQnLA1E=",
       "dev": true
     },
+    "htmllint": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/htmllint/-/htmllint-0.6.0.tgz",
+      "integrity": "sha1-27AGZ23WbXZ8sba7h18IhAuRmY0=",
+      "dev": true
+    },
+    "htmllint-cli": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/htmllint-cli/-/htmllint-cli-0.0.6.tgz",
+      "integrity": "sha1-PfpDD+dG63vGfCbmlz3EpwyhfLM=",
+      "dev": true,
+      "dependencies": {
+        "camelcase": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "dev": true
+        },
+        "cliui": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
+          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+          "dev": true
+        },
+        "yargs": {
+          "version": "6.6.0",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
+          "dev": true
+        }
+      }
+    },
+    "htmlparser2": {
+      "version": "3.9.2",
+      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.9.2.tgz",
+      "integrity": "sha1-G9+HrMoPP55T+k/M6w9LTLsAszg=",
+      "dev": true,
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "2.2.11",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.11.tgz",
+          "integrity": "sha512-h+8+r3MKEhkiVrwdKL8aWs1oc1VvBu33ueshOvS26RsZQ3Amhx/oO3TKe4lApSV9ueY6as8EAh7mtuFjdlhg9Q==",
+          "dev": true
+        },
+        "string_decoder": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.2.tgz",
+          "integrity": "sha1-sp4fThEl+pehA4K4pTNze3SR4Xk=",
+          "dev": true
+        }
+      }
+    },
     "http-errors": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.1.tgz",
@@ -1509,8 +1747,7 @@
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       "integrity": "sha1-BTfLedr1m1mhpRff9wbIbsA5Fi4=",
-      "dev": true,
-      "optional": true
+      "dev": true
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     "inline-source-map": {
       "version": "0.6.2",
@@ -1541,11 +1778,37 @@
       "integrity": "sha1-y8NcYu7uc/Gat7EKgBURQBr8D5A=",
       "dev": true
     },
+    "invert-kv": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
+      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
+      "dev": true
+    },
     "ipaddr.js": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.3.0.tgz",
       "integrity": "sha1-HgOlL9rYOou7KyXL9JmLTP/NPew="
     },
+    "is-absolute": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-0.2.6.tgz",
+      "integrity": "sha1-IN5p89uULvLYe5wto28XIjWxtes=",
+      "dev": true,
+      "dependencies": {
+        "is-windows": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-0.2.0.tgz",
+          "integrity": "sha1-3hqm1j6indJIc3tp8f+LgALSEIw=",
+          "dev": true
+        }
+      }
+    },
+    "is-arrayish": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
+      "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
+      "dev": true
+    },
     "is-binary-path": {
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       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-1.0.1.tgz",
@@ -1557,6 +1820,12 @@
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       "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw="
     },
+    "is-builtin-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
+      "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
+      "dev": true
+    },
     "is-dotfile": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/is-dotfile/-/is-dotfile-1.0.3.tgz",
@@ -1641,6 +1910,12 @@
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       "dev": true
     },
+    "is-relative": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-0.2.1.tgz",
+      "integrity": "sha1-0n9MfVFtF1+2ENuEu+7yPDvJeqU=",
+      "dev": true
+    },
     "is-resolvable": {
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       "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.0.0.tgz",
@@ -1659,6 +1934,18 @@
       "dev": true,
       "optional": true
     },
+    "is-unc-path": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/is-unc-path/-/is-unc-path-0.1.2.tgz",
+      "integrity": "sha1-arBTpyVzwQJQ/0FqOBTDUXivObk=",
+      "dev": true
+    },
+    "is-utf8": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/is-utf8/-/is-utf8-0.2.1.tgz",
+      "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.1.tgz",
@@ -1697,6 +1984,12 @@
       "dev": true,
       "optional": true
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+    "jju": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/jju/-/jju-1.3.0.tgz",
+      "integrity": "sha1-2t2e8BkkvHKLA/L3l5vb1i96Kqo=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/jmespath/-/jmespath-0.15.0.tgz",
@@ -1726,6 +2019,12 @@
       "dev": true,
       "optional": true
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+    "json-parse-helpfulerror": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/json-parse-helpfulerror/-/json-parse-helpfulerror-1.0.3.tgz",
+      "integrity": "sha1-E/FM4C7tTpgSl7ZOueO5MuLdE9w=",
+      "dev": true
+    },
     "json-schema": {
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@@ -1808,6 +2107,12 @@
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       "optional": true
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+    "lcid": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
+      "integrity": "sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
@@ -1820,17 +2125,65 @@
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       "dev": true
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+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/liftoff/-/liftoff-2.3.0.tgz",
+      "integrity": "sha1-qY8v9nGD2Lp8+soQVIvX/wVQs4U=",
+      "dev": true
+    },
+    "load-json-file": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+      "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
+      "dev": true
+    },
     "lodash": {
       "version": "4.17.4",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
       "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
     },
+    "lodash.assignwith": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/lodash.assignwith/-/lodash.assignwith-4.2.0.tgz",
+      "integrity": "sha1-EnqX8CrcQXUalU0ksN4X4QDgOOs=",
+      "dev": true
+    },
+    "lodash.isempty": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.isempty/-/lodash.isempty-4.4.0.tgz",
+      "integrity": "sha1-b4bL7di+TsmHvpqvM8loTbGzHn4=",
+      "dev": true
+    },
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs=",
+      "dev": true
+    },
+    "lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=",
+      "dev": true
+    },
+    "lodash.mapvalues": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/lodash.mapvalues/-/lodash.mapvalues-4.6.0.tgz",
+      "integrity": "sha1-G6+lAF3p3W9PJmaMMMo3IwzJaJw=",
+      "dev": true
+    },
     "lodash.memoize": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-3.0.4.tgz",
       "integrity": "sha1-LcvSwofLwKVcxCMovQxzYVDVPj8=",
       "dev": true
     },
+    "lodash.pick": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/lodash.pick/-/lodash.pick-4.4.0.tgz",
+      "integrity": "sha1-UvBWEP/53tQiYRRB7R/BI6AwAbM=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
@@ -1842,6 +2195,12 @@
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       "dev": true
     },
+    "map-cache": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
+      "integrity": "sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=",
+      "dev": true
+    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -2005,6 +2364,12 @@
       "dev": true,
       "optional": true
     },
+    "normalize-package-data": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.3.8.tgz",
+      "integrity": "sha1-2Bntoqne29H/pWPqQHHZNngilbs=",
+      "dev": true
+    },
     "normalize-path": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
@@ -2107,6 +2472,12 @@
       "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
       "dev": true
     },
+    "os-locale": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
+      "dev": true
+    },
     "os-tmpdir": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
@@ -2145,12 +2516,30 @@
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       "dev": true
     },
+    "parse-filepath": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.1.tgz",
+      "integrity": "sha1-FZ1hVdQ5BNFsEO9piRHaHpGWm3M=",
+      "dev": true
+    },
     "parse-glob": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/parse-glob/-/parse-glob-3.0.4.tgz",
       "integrity": "sha1-ssN2z7EfNVE7rdFz7wu246OIORw=",
       "dev": true
     },
+    "parse-json": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
+      "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+      "dev": true
+    },
+    "parse-passwd": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/parse-passwd/-/parse-passwd-1.0.0.tgz",
+      "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
+      "dev": true
+    },
     "parseurl": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.1.tgz",
@@ -2167,6 +2556,12 @@
       "integrity": "sha1-oLhwcpquIUAFt9UDLsLLuw+0RRo=",
       "dev": true
     },
+    "path-exists": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-2.1.0.tgz",
+      "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -2190,11 +2585,29 @@
       "integrity": "sha1-6GQhf3TDaFDwhSt43Hv31KVyG/I=",
       "dev": true
     },
+    "path-root": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/path-root/-/path-root-0.1.1.tgz",
+      "integrity": "sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=",
+      "dev": true
+    },
+    "path-root-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/path-root-regex/-/path-root-regex-0.1.2.tgz",
+      "integrity": "sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=",
+      "dev": true
+    },
     "path-to-regexp": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
     },
+    "path-type": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
+      "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
+      "dev": true
+    },
     "pbkdf2": {
       "version": "3.0.12",
       "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.12.tgz",
@@ -2373,6 +2786,18 @@
         }
       }
     },
+    "read-pkg": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
+      "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
+      "dev": true
+    },
+    "read-pkg-up": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
+      "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
+      "dev": true
+    },
     "readable-stream": {
       "version": "1.1.14",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
@@ -2461,6 +2886,18 @@
       "dev": true,
       "optional": true
     },
+    "require-directory": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
+      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
+      "dev": true
+    },
+    "require-main-filename": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
+      "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
+      "dev": true
+    },
     "require-uncached": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
@@ -2473,6 +2910,12 @@
       "integrity": "sha1-ZVkHw0aahoDcLeOidaj91paR8OU=",
       "dev": true
     },
+    "resolve-dir": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-0.1.1.tgz",
+      "integrity": "sha1-shklmlYC+sXFxJatiUpujMQwJh4=",
+      "dev": true
+    },
     "resolve-from": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz",
@@ -2558,8 +3001,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "set-immediate-shim": {
       "version": "1.0.1",
@@ -2608,6 +3050,12 @@
       "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
       "dev": true
     },
+    "sigmund": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
+      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
+      "dev": true
+    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -2633,6 +3081,24 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
       "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI="
     },
+    "spdx-correct": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-1.0.2.tgz",
+      "integrity": "sha1-SzBz2TP/UfORLwOsVRlJikFQ20A=",
+      "dev": true
+    },
+    "spdx-expression-parse": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz",
+      "integrity": "sha1-m98vIOH0DtRH++JzJmGR/O1RYmw=",
+      "dev": true
+    },
+    "spdx-license-ids": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz",
+      "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc=",
+      "dev": true
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -2803,9 +3269,9 @@
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8="
     },
     "strip-bom": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
+      "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
       "dev": true
     },
     "strip-json-comments": {
@@ -3017,6 +3483,12 @@
       "integrity": "sha1-iuVW4RAR9jwllnCKiDclnwGz1g4=",
       "dev": true
     },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
+      "dev": true
+    },
     "universalify": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.0.tgz",
@@ -3080,6 +3552,12 @@
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.0.1.tgz",
       "integrity": "sha1-ZUS7ot/ajBzxfmKaOjBeK7H+5sE="
     },
+    "validate-npm-package-license": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz",
+      "integrity": "sha1-KAS6vnEq0zeUWaz74kdGqywwP7w=",
+      "dev": true
+    },
     "vary": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.1.tgz",
@@ -3110,6 +3588,12 @@
       "integrity": "sha1-mofEN48D6CfOyvGs31bHNsAcFOU=",
       "dev": true
     },
+    "which-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
+      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "dev": true
+    },
     "wide-align": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.2.tgz",
@@ -3128,6 +3612,12 @@
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
       "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
     },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -3155,6 +3645,12 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
     },
+    "y18n": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "dev": true
+    },
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
@@ -3166,6 +3662,20 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
       "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
       "optional": true
+    },
+    "yargs-parser": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+      "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+      "dev": true,
+      "dependencies": {
+        "camelcase": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
+          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "dev": true
+        }
+      }
     }
   }
 }

package.json

@@ -26,6 +26,7 @@
     "eslint": "3.19.0",
     "eslint-plugin-node": "5.0.0",
     "eslint-plugin-security": "1.3.0",
+    "htmllint-cli": "0.0.6",
     "prettier": "1.4.4",
     "watchify": "^3.9.0"
   },
@@ -38,6 +39,7 @@
     "dev": "watchify frontend/src/main.js -o public/bundle.js -d | node server/portal_server.js",
     "format": "prettier 'frontend/src/*.js' 'server/*.js' 'public/*.css' --single-quote --write",
     "lint": "eslint .",
+    "lint:html": "htmllint 'views/*.handlebars'",
     "start": "watchify frontend/src/main.js -o public/bundle.js -d | cross-env NODE_ENV=production node server/portal_server.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   }

views/download.handlebars

@@ -13,13 +13,13 @@
     <div id="download">
       {{#if filename}}
       <div class="title">
-        Your friend is sending you a file: <br>
+        Your friend is sending you a file: <br />
         {{{filename}}} ({{{filesize}}})
       </div>
 
       <div class="share-window">
         <button id="download-btn" onclick="download()">Download File</button>
-        <img id="expired-img" src="/resources/link_expired.png"/>
+        <img id="expired-img" src="/resources/link_expired.png" alt="Link expired" />
       </div>
       <div class="send-new" id="send-file">
         Send your own files
@@ -30,11 +30,13 @@
       </div>
 
       <div class="share-window">
-        <img src="/resources/link_expired.png"/>
+        <img src="/resources/link_expired.png" alt="Link expired" />
       </div>
+      <!-- htmllint id-no-dup="false" -->
       <div class="send-new" id="send-file">
         Send your own files
       </div>
+      <!-- htmllint tag-bans="$previous" -->
       {{/if}}
     </div>
   </div>

views/index.handlebars

@@ -15,7 +15,7 @@
         Share your files quickly, privately and securely.
       </div>
       <div class="upload-window" ondrop="onUpload(event)" ondragover="allowDrop(event)">
-        <div id="upload-img"><img src="/resources/upload.svg"/></div>
+        <div id="upload-img"><img src="/resources/upload.svg" alt="Upload"/></div>
         <div>
           DRAG &amp; DROP
         </div>
@@ -36,10 +36,12 @@
     <div id="file-list">
       <table id="uploaded-files">
         <tr>
-          <th width=30%>File</th>
-          <th width=45%>Copy URL</th>
-          <th width=18%>Expires in</th>
-          <th width=7%>Delete</th>
+          <!-- htmllint attr-bans="false" -->
+          <th width="30%">File</th>
+          <th width="45%">Copy URL</th>
+          <th width="18%">Expires in</th>
+          <th width="7%">Delete</th>
+          <!-- htmllint tag-bans="$previous" -->
         </tr>
       </table>
     </div>
@@ -49,7 +51,7 @@
         Uploading
       </div>
       <div class="upload-window">
-        <div id="upload-img"><img src="/resources/upload.svg"/></div>
+        <div id="upload-img"><img src="/resources/upload.svg" alt="Upload" /></div>
         <div class="upload">
           <!-- progress bar here -->
         </div>
@@ -61,7 +63,7 @@
         Copy the link below to share your file!
       </div>
       <div class="share-window">
-        <img src="/resources/share.png"/>
+        <img src="/resources/share.png" alt="Share" />
         <div id="share-window-r">
           <div id="copy">
             <input id="link" type="url" value="" readonly/>
@@ -76,7 +78,6 @@
         Send another file
       </div>
     </div>
-
   </div>
 
 </body>