fix(web): double space edge case

Author: hejsztynx

src/web/pmPlugins/MentionPlugin/setMention.ts

@@ -41,8 +41,11 @@ export function setMention(
 
   // avoid inserting a space if there already is one
   const parentEnd = state.doc.resolve(extendedTo).end();
-  const charAfter = state.doc.textBetween(extendedTo, extendedTo + 1, '');
-  const hasSpaceAfter = extendedTo < parentEnd && /\s/.test(charAfter);
+  let hasSpaceAfter = false;
+  if (extendedTo < parentEnd) {
+    const charAfter = state.doc.textBetween(extendedTo, extendedTo + 1, '');
+    hasSpaceAfter = /\s/.test(charAfter);
+  }
 
   const mentionMark = mentionType.create({
     indicator,

src/web/pmPlugins/MentionPlugin/useMentionEvents.ts

@@ -47,14 +47,14 @@ export function useMentionEvents(
 
       const mention = getMentionInCurrentSelection(editor);
       if (!mention) {
-        wasInMention = false;
-        prevMentionKey = null;
         if (wasInMention) {
           cb.onMentionDetected({
             text: '',
             indicator: '',
             attributes: {},
           });
+          wasInMention = false;
+          prevMentionKey = null;
         }
       } else {
         wasInMention = true;