Merge pull request #1 from D1034181036/feature/performance-optimization

Performance optimization: CSV data preprocessing

index.html

@@ -73,8 +73,12 @@
         // 用 pako 解壓縮
         var csvData = pako.inflate(uintArray, { to: 'string' });
 
-        // 文字框改變時 call searchCSV()
+        // CSV 資料預處理
+        var lines = csvData.split('\n').map(line => {
+            return [removeAccents(line.toLowerCase()), line];
+        });
 
+        // 文字框改變時 call searchCSV()
         function searchCSV() {
             var input = removeAccents(document.getElementById('searchInput').value.toLowerCase());
 
@@ -84,14 +88,12 @@
                 return;
             }
 
-            var lines = csvData.split('\n');
             var matchingLines = '';
 
             // 搜尋每一行
             for (var i = 0; i < lines.length; i++) {
-                var line = removeAccents(lines[i].toLowerCase());
-                if (line.includes(input)) {
-                    matchingLines += lines[i] + '<br>';
+                if (lines[i][0].includes(input)) {
+                    matchingLines += lines[i][1] + '<br>';
                 }
             }