From 0cf5204a48157b41420e60d8a71ac0ddbb968ab5 Mon Sep 17 00:00:00 2001
From: Chris Rebert <github@chrisrebert.com>
Date: Thu, 14 Jul 2016 16:22:56 -0700
Subject: [PATCH] Add HTMLHint to the build; fixes #20297 (#20301)

[skip sauce]
---
 Gruntfile.js     |  5 ++++-
 docs/.htmlhintrc | 15 +++++++++++++++
 package.json     |  2 ++
 3 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 docs/.htmlhintrc

diff --git a/Gruntfile.js b/Gruntfile.js
index 74e9697a42..0deece20ce 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -278,6 +278,9 @@ module.exports = function (grunt) {
       'postcss-docs': {
         command: 'npm run postcss-docs'
       },
+      htmlhint: {
+        command: 'npm run htmlhint'
+      },
       'upload-preview': {
         command: './grunt/upload-preview.sh'
       }
@@ -327,7 +330,7 @@ module.exports = function (grunt) {
   require('time-grunt')(grunt);
 
   // Docs HTML validation task
-  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint']);
+  grunt.registerTask('validate-html', ['jekyll:docs', 'htmllint', 'exec:htmlhint']);
 
   var runSubset = function (subset) {
     return !process.env.TWBS_TEST || process.env.TWBS_TEST === subset;
diff --git a/docs/.htmlhintrc b/docs/.htmlhintrc
new file mode 100644
index 0000000000..636af68d76
--- /dev/null
+++ b/docs/.htmlhintrc
@@ -0,0 +1,15 @@
+{
+  "attr-lowercase": true,
+  "attr-no-duplication": true,
+  "alt-require": true,
+  "attr-unsafe-chars": true,
+  "attr-value-double-quotes": true,
+  "doctype-first": true,
+  "doctype-html5": true,
+  "id-unique": true,
+  "spec-char-escape": true,
+  "src-not-empty": true,
+  "tag-pair": true,
+  "tagname-lowercase": true,
+  "title-require": true
+}
diff --git a/package.json b/package.json
index 4fe64fd595..2d6b598d2d 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "change-version": "node grunt/change-version.js",
     "eslint": "eslint --config js/.eslintrc.json js/src",
     "jscs": "jscs --config=js/.jscsrc js/src js/tests/unit docs/assets/js/src grunt Gruntfile.js docs/assets/js/ie-emulation-modes-warning.js docs/assets/js/ie10-viewport-bug-workaround.js",
+    "htmlhint": "htmlhint --config docs/.htmlhintrc _gh_pages/",
     "postcss": "postcss --config grunt/postcss.js --replace dist/css/*.css",
     "postcss-docs": "postcss --config grunt/postcss.js --no-map --replace docs/assets/css/docs.min.css && postcss --config grunt/postcss.js --no-map --replace docs/examples/**/*.css",
     "shrinkwrap": "npm shrinkwrap --dev && shx mv ./npm-shrinkwrap.json ./grunt/npm-shrinkwrap.json",
@@ -64,6 +65,7 @@
     "grunt-saucelabs": "^9.0.0",
     "grunt-scss-lint": "^0.3.8",
     "grunt-stamp": "^0.3.0",
+    "htmlhint": "^0.9.13",
     "is-travis": "^1.0.0",
     "jscs": "^3.0.4",
     "load-grunt-tasks": "^3.4.0",