From 09f39f3706945fc1cb5295236d59cd1f03fecb08 Mon Sep 17 00:00:00 2001
From: Johan Klokkhammer Helsing <johanhelsing@gmail.com>
Date: Fri, 24 Oct 2025 11:36:52 +0200
Subject: [PATCH] fix: Don't crash on empty strings

---
 crates/pretty_text_parser/src/lib.rs | 30 +++++++++++++++++-----------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/crates/pretty_text_parser/src/lib.rs b/crates/pretty_text_parser/src/lib.rs
index b3addf5..b615576 100644
--- a/crates/pretty_text_parser/src/lib.rs
+++ b/crates/pretty_text_parser/src/lib.rs
@@ -31,19 +31,23 @@ pub enum PrettyParserError {
 }
 
 pub fn parse<'a>(pretty_text: &'a str) -> Result<PrettyText<'a>, PrettyParserError> {
-    tokenize
-        .parse(pretty_text)
-        .map_err(|err| PrettyParserError::Lex(err.to_string()))
-        .and_then(|tokens| {
-            parse_tokens.parse(&tokens).map_err(|err| {
-                PrettyParserError::Parse(pretty_print_token_err(
-                    pretty_text,
-                    err.input(),
-                    err.offset(),
-                    err.inner(),
-                ))
+    if pretty_text.is_empty() {
+        Ok(PrettyText(Vec::new()))
+    } else {
+        tokenize
+            .parse(pretty_text)
+            .map_err(|err| PrettyParserError::Lex(err.to_string()))
+            .and_then(|tokens| {
+                parse_tokens.parse(&tokens).map_err(|err| {
+                    PrettyParserError::Parse(pretty_print_token_err(
+                        pretty_text,
+                        err.input(),
+                        err.offset(),
+                        err.inner(),
+                    ))
+                })
             })
-        })
+    }
 }
 
 #[derive(Debug)]
@@ -462,6 +466,8 @@ mod test {
     fn valid_parser_syntax() {
         assert_ok("hello, world!");
 
+        assert_ok("");
+
         assert_ok("[simple style](red)");
         assert_ok("[simple style and effect](red, shake)");