From b8056614f5a7f11a50630a72586dfbf7fbfcb916 Mon Sep 17 00:00:00 2001
From: Zixuan Chen <remch183@outlook.com>
Date: Fri, 31 Mar 2023 10:58:07 +0800
Subject: [PATCH] fix: avoid zero len del in text

---
 crates/loro-internal/src/container/text/text_container.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/loro-internal/src/container/text/text_container.rs b/crates/loro-internal/src/container/text/text_container.rs
index d6a8d257..fa6775c7 100644
--- a/crates/loro-internal/src/container/text/text_container.rs
+++ b/crates/loro-internal/src/container/text/text_container.rs
@@ -79,6 +79,10 @@ impl TextContainer {
     }
 
     pub(crate) fn delete(&mut self, txn: &mut Transaction, pos: usize, len: usize) {
+        if len == 0 {
+            return;
+        }
+
         self.state.delete_range(Some(pos), Some(pos + len));
         txn.with_store_hierarchy_mut(|txn, store, hierarchy| {
             let id = store.next_id();