From 510dd2d41f76e40b5d14c633b0a155d4f9d6e1a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20B=C3=B6sch-Plepelits?= <skunk@xover.mud.at>
Date: Tue, 19 Apr 2022 09:55:00 +0200
Subject: [PATCH] wikipedia: cache result of getAbstract(); return result
 synchronizly if known

---
 src/wikipedia.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/wikipedia.js b/src/wikipedia.js
index 26f918cc..9cabb9e7 100644
--- a/src/wikipedia.js
+++ b/src/wikipedia.js
@@ -2,6 +2,7 @@ var wikidata = require('./wikidata')
 const displayBlock = require('./displayBlock')
 
 var cache = {}
+var getAbstractCache = {}
 var loadClash = {}
 
 function stripLinks (dom) {
@@ -98,6 +99,11 @@ function get (value, callback) {
 }
 
 function getAbstract (value, callback) {
+  if (value in getAbstractCache) {
+    callback(null, getAbstractCache[value])
+    return getAbstractCache[value]
+  }
+
   get(value,
     function (err, result) {
       var text = null