From 7c8943fddce5f21b101b3ea2654a578097c94ff1 Mon Sep 17 00:00:00 2001
From: Sergio Vera <svera@adobe.com>
Date: Thu, 25 Jun 2020 09:59:45 +0200
Subject: [PATCH] MC-25043: Layered Navigation does not return "No" option for
 boolean attributes when using elasticsearch - Take into account also type
 when comparing against empty string

---
 .../Model/Indexer/Fulltext/Action/DataProvider.php              | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php b/app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php
index 360df8f4edc66..ffa7dfd80df0c 100644
--- a/app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php
+++ b/app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php
@@ -572,7 +572,7 @@ public function prepareProductIndex($indexData, $productData, $storeId)
         foreach ($indexData as $entityId => $attributeData) {
             foreach ($attributeData as $attributeId => $attributeValues) {
                 $value = $this->getAttributeValue($attributeId, $attributeValues, $storeId);
-                if ($value !== null && $value !== false && $value != '') {
+                if ($value !== null && $value !== false && $value !== '') {
                     if (!isset($index[$attributeId])) {
                         $index[$attributeId] = [];
                     }