From 2d837f49c2a359d84d5628bbc215b38e4949b00c Mon Sep 17 00:00:00 2001
From: Liran Cohen <iliran11@gmail.com>
Date: Wed, 16 Oct 2019 15:03:47 +0300
Subject: [PATCH] remove checkup for amphtml link

---
 packages/next/pages/_document.tsx | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/packages/next/pages/_document.tsx b/packages/next/pages/_document.tsx
index 985a8c1c54f75..c43ab17dcfe6e 100644
--- a/packages/next/pages/_document.tsx
+++ b/packages/next/pages/_document.tsx
@@ -271,8 +271,6 @@ export class Head extends Component<
             badProp = 'name="viewport"'
           } else if (type === 'link' && props.rel === 'canonical') {
             hasCanonicalRel = true
-          } else if (type === 'link' && props.rel === 'amphtml') {
-            hasAmphtmlRel = true
           } else if (type === 'script') {
             // only block if
             // 1. it has a src and isn't pointing to ampproject's CDN
@@ -303,14 +301,17 @@ export class Head extends Component<
           }
           return child
         })
-    head = React.Children.map(head || [], child => {
-      if (!child) return child
-      const { type, props } = child
-      if (type === 'link' && props.rel === 'amphtml') {
-        hasAmphtmlRel = true
-      }
-      return child
-    })
+    // Handle non-amp logic
+    head = inAmpMode
+      ? head
+      : React.Children.map(head || [], child => {
+          if (!child) return child
+          const { type, props } = child
+          if (type === 'link' && props.rel === 'amphtml') {
+            hasAmphtmlRel = true
+          }
+          return child
+        })
     // try to parse styles from fragment for backwards compat
     const curStyles: React.ReactElement[] = Array.isArray(styles)
       ? (styles as React.ReactElement[])