From b019d441b99ae992222f17ffb19e73cb5c23193a Mon Sep 17 00:00:00 2001
From: Ashwin Maroli <ashmaroli@users.noreply.github.com>
Date: Mon, 13 Apr 2020 21:12:30 +0530
Subject: [PATCH] Reduce allocations of instance-agnostic objects (#376)

Merge pull request 376
---
 lib/jekyll-seo-tag/json_ld_drop.rb | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/jekyll-seo-tag/json_ld_drop.rb b/lib/jekyll-seo-tag/json_ld_drop.rb
index 57b4c25..3bd1d46 100644
--- a/lib/jekyll-seo-tag/json_ld_drop.rb
+++ b/lib/jekyll-seo-tag/json_ld_drop.rb
@@ -20,6 +20,9 @@ module Jekyll
       private :type
       private :logo
 
+      VALID_ENTITY_TYPES = %w(BlogPosting CreativeWork).freeze
+      private_constant :VALID_ENTITY_TYPES
+
       # page_drop should be an instance of Jekyll::SeoTag::Drop
       def initialize(page_drop)
         @mutations = {}
@@ -27,7 +30,7 @@ module Jekyll
       end
 
       def fallback_data
-        {
+        @fallback_data ||= {
           "@context" => "https://schema.org",
         }
       end
@@ -66,7 +69,7 @@ module Jekyll
       end
 
       def main_entity
-        return unless %w(BlogPosting CreativeWork).include?(type)
+        return unless VALID_ENTITY_TYPES.include?(type)
 
         {
           "@type" => "WebPage",