fix: regression with self-closing tags text (#394)

* fix: regression with self-closing tags text

* chore: changeset

.changeset/smart-bats-attack.md

@@ -0,0 +1,5 @@
+---
+'prettier-plugin-astro': patch
+---
+
+Fix `<br />` tags sometimes causing additional spaces to appear

src/printer/index.ts

@@ -351,7 +351,7 @@ function splitTextToDocs(node: TextNode): Doc[] {
 
 	const textLines = text.split(/[\t\n\f\r ]+/);
 
-	let docs = join(line, textLines);
+	let docs = join(line, textLines).filter((doc) => doc !== '');
 
 	if (startsWithLinebreak(text)) {
 		docs[0] = hardline;

test/fixtures/other/clean-self-closing/input.astro

@@ -0,0 +1,8 @@
+<p>
+  <b>test test test</b><br />
+   test test test test test test test test test test test test test test<br />
+   test test test test test test test test test test test test test test<br />
+   test test test test test test test test test test test test test test test
+  test test test test test test test test test test test test test<br />
+   test test test test test test test test test test test test test test
+</p>

test/fixtures/other/clean-self-closing/output.astro

@@ -0,0 +1,8 @@
+<p>
+  <b>test test test</b><br />
+  test test test test test test test test test test test test test test<br />
+  test test test test test test test test test test test test test test<br />
+  test test test test test test test test test test test test test test test test
+  test test test test test test test test test test test test<br />
+  test test test test test test test test test test test test test test
+</p>

test/tests/other.test.ts

@@ -81,6 +81,8 @@ test('Can format nested comment', files, 'other/nested-comment');
 
 test('Format binary expressions', files, 'other/binary-expression');
 
+test('Format self-closing tags without additional content', files, 'other/clean-self-closing');
+
 test('Format directives', files, 'other/directive');
 
 test('Format slots', files, 'other/slots');