search.js: check for `search-input` element early (#32100)

diff --git a/site/docs/4.5/assets/js/src/search.js b/site/docs/4.5/assets/js/src/search.js
index bb97c5cf80c1504c9543e1722aa0cf5d0e80dd18..724c6aa33422b15372288e5c007424f9995ed80d 100644 (file)
--- a/site/docs/4.5/assets/js/src/search.js
+++ b/site/docs/4.5/assets/js/src/search.js
@@ -5,11 +5,12 @@
 (function () {
   'use strict'
 
-  if (!window.docsearch) {
+  var inputElement = document.getElementById('search-input')
+
+  if (!window.docsearch || !inputElement) {
     return
   }
 
-  var inputElement = document.getElementById('search-input')
   var siteDocsVersion = inputElement.getAttribute('data-docs-version')
 
   function getOrigin() {