fix: avoid unnecessary lowercase coersion in component name validation

close #7237
vuejs · Dec 14, 2017 · 3f0c628 · 3f0c628
1 parent 90ed482
commit 3f0c628
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/core/util/options.js b/src/core/util/options.js
@@ -260,8 +260,7 @@ export function validateComponentName (name: string) {
       'and must start with a letter.'
     )
   }
-  const lower = name.toLowerCase()
-  if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
+  if (isBuiltInTag(name) || config.isReservedTag(name)) {
     warn(
       'Do not use built-in or reserved HTML elements as component ' +
       'id: ' + name