chore: add comment to explain why counting graphemes

Signed-off-by: Riccardo Montagnin <[email protected]>

x/posts/types/models.go

@@ -158,6 +158,10 @@ func (p Post) GetMentionedUsers() []string {
 
 // GetTextLength returns the length of the post text
 func (p Post) GetTextLength() int {
+	// Counting graphemes instead of runes of bytes can provide a more accurate length of the text.
+	// This will also ensure that emojis are counted as a single character, which will grant a more consistent
+	// user experience with clients as well.
+	// Example: 🏳️‍🌈 (rainbow flag emoji) is 1 grapheme, 4 runes, and 14 bytes.
 	return uniseg.GraphemeClusterCount(p.Text)
 }
 

x/reactions/types/models.go

@@ -125,6 +125,10 @@ func (v *FreeTextValue) isReactionValue() {}
 
 // GetLength returns the length of the reaction value
 func (v *FreeTextValue) GetLength() int {
+	// Counting graphemes instead of runes of bytes can provide a more accurate length of the text.
+	// This will also ensure that emojis are counted as a single character, which will grant a more consistent
+	// user experience with clients as well.
+	// Example: 🏳️‍🌈 (rainbow flag emoji) is 1 grapheme, 4 runes, and 14 bytes.
 	return uniseg.GraphemeClusterCount(v.Text)
 
 }