Switched link checker to HTML proofer.

.github/workflows/README.md

@@ -44,7 +44,7 @@ This action reminds users to add a meaningful alternative text to their images.
 
 ## link-check.yml
 
-This action checks all markdown links for issues.
+This action checks content links for issues using https://github.com/gjtorikian/html-proofer.
 
 # References
 
@@ -54,12 +54,12 @@ This action checks all markdown links for issues.
 * https://engineering.18f.gov/accessibility-scanning/
 * https://medium.com/@f3igao/how-to-automate-web-accessibility-testing-921512bdd4bf
 * https://stackoverflow.com/questions/58858429/how-to-run-a-github-actions-step-even-if-the-previous-step-fails-while-still-f
-* https://docs.gitlab.com/ee/user/project/merge_requests/accessibility_testing.html
 * https://stackoverflow.com/questions/57915432/write-output-of-npm-run-start-to-a-file
 * https://github.com/marketplace/actions/comment-pull-request
 * https://pre-commit.com/
 * https://github.blog/2021-04-28-use-github-actions-manage-docs/
 * https://stackoverflow.com/questions/62325286/run-github-actions-when-pull-requests-have-a-specific-label
 * https://github.com/marketplace/actions/push-directory-to-another-repository
 * https://github.com/marketplace/actions/find-and-replace
-* https://github.com/marketplace/actions/publish-unit-test-results
+* https://github.com/gjtorikian/html-proofer
+* https://danielsieger.com/blog/2021/03/28/check-broken-links-jekyll.html

.github/workflows/link-check.yml

@@ -7,12 +7,22 @@ on:
   pull_request:
 
 jobs:
-  markdown-link-check:
+  build:
+    name: Building site and running HTML proofer
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
-      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      - name: Checkout source.
+        uses: actions/checkout@v2
+
+      - name: Install jekyll site dependencies.
+        uses: ruby/setup-ruby@v1
         with:
-          config-file: "markdown.links.config.json"
-          use-quiet-mode: "yes"
-          use-verbose-mode: "yes"
+          ruby-version: 2.6
+          bundler-cache: true
+
+      - name: Build site
+        run: npm run build
+
+      - name: Run HTML proofer.
+        run: npm run link-checker

Gemfile

@@ -7,3 +7,5 @@ group :jekyll_plugins do
   gem 'jekyll-redirect-from'
   gem 'jekyll-feed'
 end
+
+gem 'html-proofer'

Gemfile.lock

@@ -8,9 +8,20 @@ GEM
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
     eventmachine (1.2.7)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
+    html-proofer (4.4.3)
+      addressable (~> 2.3)
+      mercenary (~> 0.3)
+      nokogiri (~> 1.13)
+      parallel (~> 1.10)
+      rainbow (~> 3.0)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.10.0)
       concurrent-ruby (~> 1.0)
@@ -51,10 +62,17 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
+    mini_portile2 (2.8.5)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    parallel (1.24.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     posix-spawn (0.3.15)
     public_suffix (4.0.7)
+    racc (1.7.3)
+    rainbow (3.1.1)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -65,12 +83,17 @@ GEM
       ffi (~> 1.9)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
+    typhoeus (1.4.1)
+      ethon (>= 0.9.0)
     unicode-display_width (1.8.0)
+    yell (2.2.2)
+    zeitwerk (2.6.13)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  html-proofer
   jekyll-feed
   jekyll-last-modified-at
   jekyll-redirect-from

_config.yml

@@ -137,4 +137,3 @@ exclude:
   - .gitlab-ci.yml
   - public
   - medium-posts-script
-  - markdown.links.config.json

package.json

@@ -4,14 +4,16 @@
   "license": "Creative Commons Attribution-ShareAlike 4.0 International Public License",
   "scripts": {
     "postinstall": "bundle",
+    "build": "bundle exec jekyll build",
     "start": "bundle exec jekyll serve",
     "start-detached": "bundle exec jekyll serve --detach",
     "setup-uswds": "npm run sync-assets && npm run sync-sass",
     "sync-assets": "rsync -avr --delete node_modules/uswds/dist/ assets/uswds/ --exclude=/*.md --exclude=/*.zip --exclude=/css --exclude=/scss",
     "sync-sass": "rsync -avr --delete node_modules/uswds/src/stylesheets/ _sass/uswds/src/",
     "pa11y-ci:home": "pa11y-ci http://127.0.0.1:4000",
     "pa11y-ci:sitemap": "pa11y-ci --sitemap http://127.0.0.1:4000/sitemap.xml --sitemap-find https://accessibility.civicactions.com --sitemap-replace http://127.0.0.1:4000 --sitemap-exclude \"/*.pdf\"",
-    "cypress-tests": "cypress run --browser chrome --headless"
+    "cypress-tests": "cypress run --browser chrome --headless",
+    "link-checker": "bundle exec htmlproofer --ignore-status-codes \"999,403,0\" --ignore-urls \"/fonts.gstatic.com/\" --enforce_https \"false\" ./_site"
   },
   "dependencies": {
     "simple-jekyll-search": "^1.9.2"