From 02147937408b6547b7106e4b62a385f1cc904d56 Mon Sep 17 00:00:00 2001
From: ed <s@ocv.me>
Date: Wed, 5 Jan 2022 18:57:05 +0100
Subject: [PATCH] fix garbage in markdown output

---
 copyparty/web/md.js   | 15 +++++++++------
 copyparty/web/util.js |  6 +++---
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/copyparty/web/md.js b/copyparty/web/md.js
index 194dbb5a..355a16c2 100644
--- a/copyparty/web/md.js
+++ b/copyparty/web/md.js
@@ -85,13 +85,13 @@ function copydom(src, dst, lv) {
 
     var rpl = [];
     for (var a = sc.length - 1; a >= 0; a--) {
-        var st = sc[a].tagName,
-            dt = dc[a].tagName;
+        var st = sc[a].tagName || sc[a].nodeType,
+            dt = dc[a].tagName || dc[a].nodeType;
 
         if (st !== dt) {
             dbg("replace L%d (%d/%d) type %s/%s", lv, a, sc.length, st, dt);
-            rpl.push(a);
-            continue;
+            dst.innerHTML = src.innerHTML;
+            return;
         }
 
         var sa = sc[a].attributes || [],
@@ -140,8 +140,11 @@ function copydom(src, dst, lv) {
     // repl is reversed; build top-down
     var nbytes = 0;
     for (var a = rpl.length - 1; a >= 0; a--) {
-        var html = sc[rpl[a]].outerHTML;
-        dc[rpl[a]].outerHTML = html;
+        var i = rpl[a],
+            prop = sc[i].nodeType == 1 ? 'outerHTML' : 'nodeValue';
+
+        var html = sc[i][prop];
+        dc[i][prop] = html;
         nbytes += html.length;
     }
     if (nbytes > 0)
diff --git a/copyparty/web/util.js b/copyparty/web/util.js
index 37168a5e..670b9a7d 100644
--- a/copyparty/web/util.js
+++ b/copyparty/web/util.js
@@ -222,15 +222,15 @@ if (!String.prototype.endsWith)
         return this.substring(this_len - search.length, this_len) === search;
     };
 
-if (!String.startsWith)
+if (!String.prototype.startsWith)
     String.prototype.startsWith = function (s, i) {
         i = i > 0 ? i | 0 : 0;
         return this.substring(i, i + s.length) === s;
     };
 
-if (!String.trimEnd)
+if (!String.prototype.trimEnd)
     String.prototype.trimEnd = String.prototype.trimRight = function () {
-        return this.replace(/[ \t\r\n]+$/m, '');
+        return this.replace(/[ \t\r\n]+$/, '');
     };
 
 if (!Element.prototype.matches)