Dedupe meta tag in favor of custom tag defined in _app

vercel · Oct 4, 2019 · 6e2925d · 6e2925d
1 parent 9af5879
commit 6e2925d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/next/next-server/lib/head.tsx b/packages/next/next-server/lib/head.tsx
@@ -72,6 +72,12 @@ function unique() {
       keys.add(h.key)
       return true
     }
+
+    // If custom meta tag has been added the key will be prepended with `.$`, we can
+    // check for this and dedupe in favor of the custom one, so the default
+    // is not rendered as well
+    if (keys.has(`.$${h.key}`)) return false
+
     switch (h.type) {
       case 'title':
       case 'base':