Fixed skipping first characters of search phrase

Author: mnocon

docs/js/error-page.js

@@ -5,16 +5,24 @@
         return;
     }
 
-    // Replace all TOC links with the correct version
+    // Find the correct version
     let currentVersion = '5.0';
     const branchNameRegexp = /\/en\/([a-z0-9-_.]*)\//g.exec(document.location.href);
 
     if (branchNameRegexp !== null && branchNameRegexp.hasOwnProperty(1) && branchNameRegexp[1].length) {
         currentVersion = branchNameRegexp[1];
     }
 
+    // Replace all links in the TOC and in the error page content
     doc.querySelectorAll('.md-sidebar--primary .md-nav__item a, .page-not-found a').forEach(link => {
         link.href = link.href.replace(/\/en\/([a-z0-9-_.]*)\//, `/en/${currentVersion}/`);
     });
 
+    // Use the 404 URL path in initial search query
+    const searchLink = document.querySelector('#search-link');
+    const suffix = window.location.href.split('/en/' + currentVersion + '/')[1];
+
+    const searchQuery = suffix.replaceAll('/', ' ').replaceAll('_', ' ');
+    searchLink.href = searchLink.href.replace('?sq=', '?sq=' + encodeURIComponent(searchQuery));
+
 })(window, window.document);

theme/404.html

@@ -8,13 +8,4 @@ <h1>Page not found.</h1>
     <p>This link might be out-of-date. Go to the <a href="{{ site_url }}">main documentation page</a> or <a id="search-link"href="{{ site_url }}search_results/?sq=&p=1">use the search</a> to find what you are looking for.</p>
 </div>
 
-<script>
-    // Get the actual 404 URL path and use it in initial search query
-    const searchLink = document.querySelector('#search-link');
-    const basePath = '{{ site_url }}';
-    const suffix = window.location.href.substring(basePath.length);
-    const searchQuery = suffix.replaceAll('/', ' ').replaceAll('_', ' ');
-    searchLink.href = searchLink.href.replace('?sq=', '?sq=' + encodeURIComponent(searchQuery));
-</script>
-
 {% endblock %}