Make search limits configurable in flexsearch.js

Updated search limits for page and section results to be configurable with sensible defaults.

Per PR imfing#847 on main repo

Author: joeyundis-altra

assets/js/flexsearch.js

@@ -318,7 +318,10 @@ document.addEventListener("DOMContentLoaded", function () {
     }
     resultsElement.classList.remove('hx:hidden');
 
-    const pageResults = window.pageIndex.search(query, 5, { enrich: true, suggest: true })[0]?.result || [];
+    // Configurable search limits with sensible defaults
+    const maxPageResults = parseInt('{{- site.Params.search.flexsearch.maxPageResults | default 20 -}}', 10);
+    const maxSectionResults = parseInt('{{- site.Params.search.flexsearch.maxSectionResults | default 10 -}}', 10);
+    const pageResults = window.pageIndex.search(query, maxPageResults, { enrich: true, suggest: true })[0]?.result || [];
 
     const results = [];
     const pageTitleMatches = {};
@@ -328,11 +331,12 @@ document.addEventListener("DOMContentLoaded", function () {
       pageTitleMatches[i] = 0;
 
       // Show the top 5 results for each page
-      const sectionResults = window.sectionIndex.search(query, 5, { enrich: true, suggest: true, tag: { 'pageId': `page_${result.id}` } })[0]?.result || [];
+      const sectionResults = window.sectionIndex.search(query, { enrich: true, suggest: true, tag: { 'pageId': `page_${result.id}` } })[0]?.result || [];
       let isFirstItemOfPage = true
       const occurred = {}
 
-      for (let j = 0; j < sectionResults.length; j++) {
+      const nResults = Math.min(sectionResults.length, maxSectionResults);
+      for (let j = 0; j < nResults; j++) {
         const { doc } = sectionResults[j]
         const isMatchingTitle = doc.display !== undefined
         if (isMatchingTitle) {