From 55b6d6bf28fca7e487c8f348daaffa7e3310492c Mon Sep 17 00:00:00 2001
From: Armin Friedl <dev@friedl.net>
Date: Sun, 9 Aug 2020 08:17:04 +0200
Subject: [PATCH] Only add twitter card if twitter defined

Removes warning
`WARNING: calling IsSet with unsupported type "invalid" (<nil>) will always return false.`
in newer hugo versions.
---
 layouts/partials/head.html | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index a1b75a4..919698f 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -29,11 +29,13 @@
 {{ end }}
 
 <!-- Twitter Card -->
+{{ if (isset $.Site.Params "twitter") }}
 <meta name="twitter:card" content="summary" />
-{{ if (isset $.Site.Params.Twitter "site") }}
-  <meta name="twitter:site" content="{{ $.Site.Params.Twitter.site }}" />
+  {{ if (isset $.Site.Params.Twitter "site") }}
+    <meta name="twitter:site" content="{{ $.Site.Params.Twitter.site }}" />
+  {{ end }}
+    <meta name="twitter:creator" content="{{ if .IsHome }}{{ $.Site.Params.Twitter.creator }}{{ else if isset .Params "authortwitter" }}{{ .Params.authorTwitter }}{{ else }}{{ .Params.Author }}{{ end }}" />
 {{ end }}
-<meta name="twitter:creator" content="{{ if .IsHome }}{{ $.Site.Params.Twitter.creator }}{{ else if isset .Params "authortwitter" }}{{ .Params.authorTwitter }}{{ else }}{{ .Params.Author }}{{ end }}" />
 
 <!-- OG data -->
 <meta property="og:locale" content="{{ $.Site.Language.Lang }}" />