Deploy PR #1283 preview

docs-preview-1283/assets/search-worker.js

@@ -0,0 +1,64 @@
+self.onmessage = function(e) {
+  const { messageId, type, data } = e.data;
+
+  const respond = (type, data) => {
+    self.postMessage({ messageId, type, data });
+  };
+
+  const respondError = (error) => {
+    self.postMessage({ messageId, type: 'error', error: error.message || String(error) });
+  };
+
+  try {
+    if (type === 'tokenize') {
+      const tokens = (typeof data === 'string' ? data : '')
+        .toLowerCase()
+        .match(/\b[a-zA-Z0-9_-]+\b/g) || []
+        .filter(word => word.length > 2);
+      
+      const uniqueTokens = Array.from(new Set(tokens));
+      respond('tokens', uniqueTokens);
+    }
+
+    if (type === 'search') {
+      const { documents, query, limit } = data;
+      const searchTerms = (typeof query === 'string' ? query : '')
+        .toLowerCase()
+        .match(/\b[a-zA-Z0-9_-]+\b/g) || []
+        .filter(word => word.length > 2);
+
+      const docScores = new Map();
+      
+      // Pre-compute lower-case terms once
+      const lowerSearchTerms = searchTerms.map(term => term.toLowerCase());
+
+      // Pre-compute lower-case strings for each document
+      const processedDocs = documents.map((doc, docId) => ({
+        docId,
+        title: doc.title,
+        content: doc.content,
+        lowerTitle: doc.title.toLowerCase(),
+        lowerContent: doc.content.toLowerCase()
+      }));
+
+      lowerSearchTerms.forEach(lowerTerm => {
+        processedDocs.forEach(({ docId, title, content, lowerTitle, lowerContent }) => {
+          if (lowerTitle.includes(lowerTerm) || lowerContent.includes(lowerTerm)) {
+            const score = lowerTitle === lowerTerm ? 30 :
+                         lowerTitle.includes(lowerTerm) ? 10 : 2;
+            docScores.set(docId, (docScores.get(docId) || 0) + score);
+          }
+        });
+      });
+
+      const results = Array.from(docScores.entries())
+        .sort((a, b) => b[1] - a[1])
+        .slice(0, limit)
+        .map(([docId, score]) => ({ ...documents[docId], score }));
+
+      respond('results', results);
+    }
+  } catch (error) {
+    respondError(error);
+  }
+};