adjust the export order

binding/javascript/index.js

@@ -5,13 +5,6 @@
 // ip2region JavaScript binding with IPv4 and IPv6 support.
 // @Author Lion <chenxin619315@gmail.com>
 
-export { 
-    Searcher, 
-    newWithFileOnly, 
-    newWithVectorIndex, 
-    newWithBuffer 
-} from './searcher.js';
-
 export {
     Header,
     Version,
@@ -38,4 +31,11 @@ export {
     loadVectorIndexFromFile,
     loadContent,
     loadContentFromFile
-} from './util.js';
+} from './util.js';
+
+export { 
+    Searcher, 
+    newWithFileOnly, 
+    newWithVectorIndex, 
+    newWithBuffer 
+} from './searcher.js';