From c6ecffbbfeec1c075e9177c58ab761de4d457ea3 Mon Sep 17 00:00:00 2001
From: Mohamed Akram <mohd.akram@outlook.com>
Date: Wed, 20 Dec 2023 13:45:05 +0400
Subject: [PATCH] Fix incomplete HTML not preserved

---
 index.js | 2 +-
 test.js  | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index b9b31fa..31d294b 100644
--- a/index.js
+++ b/index.js
@@ -94,7 +94,7 @@ function format(/** @type {string} */ html, indent = "  ", width = 80) {
     for (const s of args) {
       let out = "";
 
-      if (!specialElement && /^\s*$/.test(s)) {
+      if (!s || (!specialElement && /^\s*$/.test(s))) {
         const newline = span.indexOf("\n");
         const len = newline == -1 ? span.length : newline;
         if (lastSpace) {
diff --git a/test.js b/test.js
index 1ec318e..59ab6a2 100644
--- a/test.js
+++ b/test.js
@@ -272,6 +272,12 @@ test(
   "Collector's\n<div>\n  stuff\n</div>'"
 );
 
+test(
+  "Preserve incomplete HTML",
+  "<pre>do not remove me",
+  "<pre>do not remove me"
+);
+
 test(
   "Handle invalid HTML",
   "< this is a very long sentence to test the regex",