var => const

Author: gaearon

packages/react-dom/src/server/DOMMarkupOperations.js

@@ -50,9 +50,9 @@ export function createMarkupForProperty(name, value) {
   if (value === null) {
     return '';
   }
-  var propertyInfo = getPropertyInfo(name);
+  const propertyInfo = getPropertyInfo(name);
   if (propertyInfo) {
-    var attributeName = propertyInfo.attributeName;
+    const attributeName = propertyInfo.attributeName;
     if (
       propertyInfo.hasBooleanValue ||
       (propertyInfo.hasOverloadedBooleanValue && value === true)

packages/react-dom/src/shared/DOMProperty.js

@@ -204,7 +204,7 @@ export function isBadlyTypedAttributeValue(name, value, isCustomComponentTag) {
       propertyInfo.hasOverloadedBooleanValue
     );
   }
-  var prefix = name.toLowerCase().slice(0, 5);
+  const prefix = name.toLowerCase().slice(0, 5);
   return prefix !== 'data-' && prefix !== 'aria-';
 }