Only newline with comma if last_ch == ] or }

src/worker.rs

@@ -1,3 +1,27 @@
+/*
+ * Copyright (C) 2025 Nicolás Ortega Froysa <nicolas@ortegas.org> All rights reserved.
+ * Author: Nicolás Ortega Froysa <nicolas@ortegas.org>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ *    distribution.
+ */
+
 use std::io;
 use std::fs;
 use std::io::Read;
@@ -59,11 +83,16 @@ pub fn work(in_path:Option<&str>, out_path:Option<&str>) -> Result<(), String>
 					last_ch = ch;
 				},
 				',' => {
-					out_writer.write(format!("{}\n", ch).as_bytes()).unwrap();
+					out_writer.write(format!("{}", ch).as_bytes()).unwrap();
+					if last_ch == '}' || last_ch == ']' {
+						out_writer.write(b"\n").unwrap();
 						for _ in 0..tab_num {
 							out_writer.write(b"  ").unwrap();
 						}
 						last_ch = ' ';
+					} else {
+						last_ch = ch;
+					}
 				},
 				_ => {
 					if ch != ' ' || last_ch != ' ' {