From d4cf1d92e717ea469b77cee8c40ba18eb2408e89 Mon Sep 17 00:00:00 2001
From: Niko <niko@nobigtech.es>
Date: Thu, 17 Feb 2022 23:13:31 +0100
Subject: [PATCH] Support lowercase hashtags when there is Uppercase in post

---
 web/src/app/js/app.js | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/web/src/app/js/app.js b/web/src/app/js/app.js
index 5acd0f2..3937b92 100644
--- a/web/src/app/js/app.js
+++ b/web/src/app/js/app.js
@@ -144,10 +144,22 @@ app.post = {
 					continue;
 				if (!hash.match(/^#[a-zA-Z0-9\_]+$/))
 					continue;
-				const link = '<a class="hashtag" href="'+htmlescape(href)+'">'+
-					htmlescape(hash) + '</a>';
+				hash = hash.trim();
+				href = href.trim();
+				const link = '<a class="hashtag" href="'+htmlescape(href)+'">{{hash}}</a>';
 				value = value.replaceAll(hash, '\\'+hash);
-				replaceAfter.push(['\\'+hash, link]);
+				replaceAfter.push(['\\'+hash, link.replace('{{hash}}', hash)]);
+				const allhashes = value.match(/#[a-zA-Z0-9\_]+/g);
+				if (allhashes === undefined || allhashes === null)
+					continue;
+				for (var j = 0; j < allhashes.length; j++) {
+					allhashes[j] = allhashes[j].trim();
+					if (allhashes[j].toLowerCase() === hash.toLowerCase() &&
+						allhashes[j] != hash) {
+						value = value.replaceAll(allhashes[j], '\\'+allhashes[j]);
+						replaceAfter.push(['\\'+allhashes[j], link.replace('{{hash}}', allhashes[j])]);
+					}
+				}
 			}
 		}
 		value = html2text(value);