Upgrading to Bootstrap 5 and removing dependency on JQuery.

lib/Mojolicious/resources/public/mojo/mojo.css

@@ -1,16 +1,25 @@
 html {
   height:100%;
 }
+body {
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 
+    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
+    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+}
 main {
   overflow-wrap: break-word;
   word-wrap: break-word;
 }
+.navbar {
+  --bs-navbar-padding-x: 1rem;
+  --bs-navbar-padding-y: .5rem;
+}
 :not(pre) > code {
   background-color: #eef9ff;
   border: solid #cce4ff 1px;
   border-radius: .25rem;
   color: #333;
-  font: 14px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;;
+  font: 14px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
   padding: 0.4em;
 }
 h2 {

lib/Mojolicious/resources/templates/mojo/debug.html.ep

@@ -8,7 +8,6 @@
     <meta http-equiv="Pragma" content="no-cache">
     <meta http-equiv="Expires" content="-1">
     %= favicon
-    %= javascript '/mojo/jquery/jquery.js'
     %= javascript '/mojo/highlight.js/highlight.min.js'
     %= javascript '/mojo/highlight.js/mojolicious.min.js'
     %= javascript '/mojo/bootstrap/bootstrap.js'
@@ -17,9 +16,8 @@
     %= stylesheet '/mojo/mojo.css'
     <script>
       hljs.initHighlightingOnLoad();
-      $(function () {
-        $('[data-toggle="tooltip"]').tooltip()
-      });
+      const tooltipElement document.querySelector('[data-toggle="tooltip"]');
+      new bootstrap.Tooltip(tooltipElement);
     </script>
     <style>
       .fa-copyright {
@@ -45,14 +43,14 @@
               srcset="<%= url_for_file '/mojo/logo-white-2x.png' %> 2x">
           </picture>
         </a>
-        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav"
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav"
           aria-expanded="false" aria-label="Toggle navigation">
           <span class="navbar-toggler-icon"></span>
         </button>
         <div id="navbarNav" class="collapse navbar-collapse">
-          <ul class="navbar-nav mr-auto">
+          <ul class="navbar-nav me-auto">
             <li class="nav-item dropdown">
-              <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown"
+              <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown"
                 aria-haspopup="true" aria-expanded="false">
                 Documentation
               </a>
@@ -100,18 +98,20 @@
     </header>
     <script>
       function mojoDrawer(handle, drawer) {
-        $(handle).on('click', function () {
-          $(drawer).slideToggle('slow');
-          const text = $(handle + ' div.tap').text();
+        const handleEl = document.querySelector(handle);
+        handleEl.addEventListener('click', () => {
+          drawerEl = document.querySelector(drawer);
+          let text = handleEl.innerText;
           text = text == "tap for more" ? "tap for less" : "tap for more";
-          $(handle + ' div.tap').text(text);
+          const divTap = document.querySelector(handle + ' div.tap');
+          if (divTap !== null) divTap.innerText = text;
+          drawerEl.classList.toggle('d-none');
         });
-        $(drawer).toggle();
       }
-      $(function () {
+      window.onload = () => {
         mojoDrawer('#trace', '#frames');
         mojoDrawer('#more', '#infos');
-      });
+      };
     </script>
     <div class="container flex-grow-1">
       <div class="row flex-wrap">
@@ -155,7 +155,7 @@
                   </table>
                 </div>
                 % if (defined $exception->line->[2]) {
-                  <div id="insight" class="more">
+                  <div id="insight">
                     <table class="wide">
                       % for my $line (@{$exception->lines_before}) {
                         %= $cv->($line->[0], $line->[2])
@@ -170,24 +170,30 @@
                   <script>
                     let current = '#context';
                     function mojoShowcase() {
-                      $('#showcase').on('click', function () {
-                        $(this).unbind('click');
-                        $(current).slideToggle('slow', function () {
-                          current = current == '#context' ? '#insight' : '#context';
-                          $(current).slideToggle('slow', function () {
-                            mojoShowcase();
-                          });
-                        });
-                      });
+                      const showcase = document.querySelector('#showcase');
+                      function onClickShowcase() {
+                        showcase.removeEventListener('click', onClickShowcase);
+                        let currentEl = document.querySelector(current);
+                        currentEl.classList.toggle('d-none');
+                        current = current == '#context' ? '#insight' : '#context';
+                        currentEl = document.querySelector(current);
+                        currentEl.classList.toggle('d-none');
+                        mojoShowcase();
+                      };
+                      showcase.addEventListener('click', onClickShowcase);
                     }
                     mojoShowcase();
-                    $('#insight').toggle();
+                    function toggleInsight() {
+                      const insightEl = document.querySelector('#insight');
+                      insightEl.classList.toggle('d-none');
+                    }
+                    toggleInsight();
                   </script>
                 % }
               </div>
               <div id="trace" class="box no-padding more no-top-border border-radius-bottom">
                 % if (@{$exception->frames}) {
-                  <div id="frames" class="more">
+                  <div id="frames" class="d-none">
                     <table class="striped wide">
                       % for my $frame (@{$exception->frames}) {
                         <tr>
@@ -275,7 +281,7 @@
               </table>
             </div>
             <div id="more" class="box no-padding more no-top-border border-radius-bottom">
-              <div id="infos">
+              <div id="infos" class="d-none">
                 <table class="striped fixed-table wide">
                   %= $kv->(Perl => "$^V ($^O)")
                   % my $version  = $Mojolicious::VERSION;

t/mojolicious/exception_lite_app.t

@@ -336,8 +336,6 @@ subtest 'Text exceptions' => sub {
 };
 
 subtest 'Bundled static files' => sub {
-  $t->get_ok('/mojo/jquery/jquery.js')->status_is(200)->content_type_is('application/javascript');
-
   $t->get_ok('/mojo/highlight.js/highlight.min.js')->status_is(200)->content_type_is('application/javascript');
   $t->get_ok('/mojo/highlight.js/mojolicious.min.js')->status_is(200)->content_type_is('application/javascript');
   $t->get_ok('/mojo/highlight.js/highlight-mojo-dark.css')->status_is(200)->content_type_is('text/css');

t/mojolicious/production_app.t

@@ -29,8 +29,6 @@ is $t->app->static->file('does_not_exist.html'), undef,
 is $t->app->moniker,                             'mojolicious_test',                 'right moniker';
 
 # Remove extra files
-isnt $t->app->static->file('mojo/jquery/jquery.js'), undef, 'found jQuery';
-delete $t->app->static->extra->{'mojo/jquery/jquery.js'};
 is $t->app->static->file('mojo/jquery/jquery.js'), undef, 'no jQuery';
 
 # Default namespaces