🔍 Add search functionality in the worker script

code/websites/pokedex.online/src/workers/search.worker.js

@@ -0,0 +1,51 @@
+/**
+ * Search Worker
+ * Offloads search operations to a background thread to avoid blocking the UI
+ */
+
+// Listen for search requests from main thread
+self.onmessage = (event) => {
+  const { lines, searchTerm, id } = event.data;
+
+  if (!searchTerm || !lines) {
+    self.postMessage({ type: 'complete', id, results: [] });
+    return;
+  }
+
+  try {
+    const results = [];
+    const lowerSearchTerm = searchTerm.toLowerCase();
+    const chunkSize = 1000; // Process in chunks and send updates
+
+    // Process lines and find matches
+    for (let i = 0; i < lines.length; i++) {
+      if (lines[i].toLowerCase().includes(lowerSearchTerm)) {
+        results.push(i);
+      }
+
+      // Send progress updates every chunk
+      if ((i + 1) % chunkSize === 0) {
+        self.postMessage({
+          type: 'progress',
+          id,
+          percent: ((i + 1) / lines.length) * 100,
+          foundSoFar: results.length
+        });
+      }
+    }
+
+    // Send final results
+    self.postMessage({
+      type: 'complete',
+      id,
+      results,
+      totalMatches: results.length
+    });
+  } catch (error) {
+    self.postMessage({
+      type: 'error',
+      id,
+      error: error.message
+    });
+  }
+};