From 3f7e6b219b572d2aa06618ce125ba86cd2fcd0bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Fri, 20 Aug 2021 09:33:16 +0200
Subject: [PATCH] fix: prevent multiple space characters after mention node,
 fix #1703

---
 packages/extension-mention/src/mention.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/extension-mention/src/mention.ts b/packages/extension-mention/src/mention.ts
index 0189b5f9..75dd7d9f 100644
--- a/packages/extension-mention/src/mention.ts
+++ b/packages/extension-mention/src/mention.ts
@@ -26,6 +26,17 @@ export const Mention = Node.create<MentionOptions>({
       char: '@',
       pluginKey: MentionPluginKey,
       command: ({ editor, range, props }) => {
+        // increase range.to by one when the next node is of type "text"
+        // and starts with a space character
+        const nodeAfter = editor.view.state.selection.$to.nodeAfter
+        const overrideSpace = nodeAfter?.text
+          ? /^\s/.test(nodeAfter.text)
+          : false
+
+        if (overrideSpace) {
+          range.to += 1
+        }
+
         editor
           .chain()
           .focus()