json format data value

Author: vinayshah

app/code/Magento/UrlRewrite/view/adminhtml/templates/categories.phtml

@@ -8,19 +8,27 @@
 
 /** @var \Magento\UrlRewrite\Block\Catalog\Category\Tree $block */
 ?>
-<fieldset class="admin__fieldset" data-ui-id="category-selector">
-    <legend class="admin__legend"><span><?= $block->escapeHtml(__('Select Category')) ?></span></legend>
-    <div class="content content-category-tree">
-        <input type="hidden" name="categories" id="product_categories" value="" />
-        <?php if ($block->getRoot()): ?>
-        <div data-mage-init='<?php /* @noEscape */ echo $this->helper('Magento\Framework\Json\Helper\Data')->jsonEncode(
-            [
-                'categoryTree' => [
-                    'data' => $block->getTreeArray(),
-                    'url' => $block->escapeUrl($block->getLoadTreeUrl()),
-                ],
-            ]
-        ); ?>' class="jstree-default"></div>
-        <?php endif; ?>
-    </div>
-</fieldset>
+    <fieldset class="admin__fieldset" data-ui-id="category-selector">
+        <legend class="admin__legend"><span><?= $block->escapeHtml(__('Select Category')) ?></span></legend>
+        <div class="content content-category-tree">
+            <input type="hidden" name="categories" id="product_categories" value=""/>
+            <?php if ($block->getRoot()): ?>
+                <div class="jstree-default"></div>
+            <?php endif; ?>
+        </div>
+    </fieldset>
+<?php if ($block->getRoot()): ?>
+    <script type="text/x-magento-init">
+    {
+        ".jstree-default": {
+            "categoryTree": {
+                "data": <?php /* @noEscape */
+        echo $this->helper('Magento\Framework\Json\Helper\Data')->jsonEncode($block->getTreeArray()); ?>,
+                "url": "<?php /* @noEscape */
+        echo $block->escapeUrl($block->getLoadTreeUrl()); ?>"
+            }
+        }
+    }
+
+    </script>
+<?php endif; ?>