Use html-proofer instead of spidr

Author: hsbt

Gemfile

@@ -6,6 +6,6 @@ gem "rouge"
 
 group :development do
   gem "minitest"
-  gem "spidr", "~> 0.6"
+  gem "html-proofer"
   gem "validate-website", "~> 1.6"
 end

Gemfile.lock

@@ -1,23 +1,45 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    Ascii85 (1.1.0)
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
+    afm (0.2.2)
+    async (2.5.0)
+      console (~> 1.10)
+      io-event (~> 1.1)
+      timers (~> 4.1)
     colorator (1.1.0)
     concurrent-ruby (1.2.2)
+    console (1.16.2)
+      fiber-local
     crass (1.0.6)
     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)
+    fiber-local (1.0.0)
     forwardable-extended (2.6.0)
     google-protobuf (3.22.3)
     google-protobuf (3.22.3-arm64-darwin)
     google-protobuf (3.22.3-x86_64-linux)
+    hashery (2.1.2)
+    html-proofer (5.0.7)
+      addressable (~> 2.3)
+      async (~> 2.1)
+      nokogiri (~> 1.13)
+      pdf-reader (~> 2.11)
+      rainbow (~> 3.0)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
+    io-event (1.1.7)
     jekyll (4.3.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -60,14 +82,22 @@ GEM
     paint (2.3.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    pdf-reader (2.11.0)
+      Ascii85 (~> 1.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
     public_suffix (5.0.1)
     racc (1.6.2)
+    rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
     rouge (4.1.0)
+    ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
     sass-embedded (1.62.0)
       google-protobuf (~> 3.21)
@@ -83,6 +113,10 @@ GEM
       unicode-display_width (>= 1.1.1, < 3)
     tidy_ffi (1.0.1)
       ffi (~> 1.2)
+    timers (4.3.5)
+    ttfunk (1.7.0)
+    typhoeus (1.4.0)
+      ethon (>= 0.9.0)
     unicode-display_width (2.4.2)
     validate-website (1.12.0)
       crass (~> 1)
@@ -98,18 +132,20 @@ GEM
       nokogiri (~> 1.6)
       rexml (~> 3.2)
     webrick (1.8.1)
+    yell (2.2.2)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   arm64-darwin-22
   ruby
   x86_64-linux
 
 DEPENDENCIES
+  html-proofer
   jekyll
   minitest
   rake
   rouge
-  spidr (~> 0.6)
   validate-website (~> 1.6)
 
 BUNDLED WITH

Rakefile

@@ -89,12 +89,22 @@ end
 
 namespace :check do
 
-  localport = 9292
-
-  desc "Check for broken internal links on http://localhost:#{localport}/"
+  desc "Check for broken internal links"
   task :links do
-    require_relative "lib/link_checker"
-    LinkChecker.new.check(localport: localport, languages: LANGUAGES)
+    require "html-proofer"
+    options = {
+      checks: [
+        'Links',
+        'Images',
+        'Scripts',
+      ],
+      ignore_empty_alt: true,
+      ignore_missing_alt: true,
+      check_external_hash: false,
+      check_internal_hash: false,
+    }
+
+    HTMLProofer.check_directory('_site', options).run
   end
 
   desc "Validate _site markup with validate-website"