css-beautify inserts extra newlines before comments

Description

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NOTE:

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Input

The code looked like this before beautification:

html {}


/* comment */

Expected Output

The code should have looked like this after beautification:

html {}


/* comment */

Actual Output

The code actually looked like this after beautification:

html {}



/* comment */

Steps to Reproduce

Environment

OS: Debian 8 Jessie

Settings

Example:

{
    "indent_size": 4,
    "indent_char": " ",
    "indent_level": 0,
    "indent_with_tabs": false,
    "preserve_newlines": true,
    "max_preserve_newlines": 10,
    "jslint_happy": false,
    "space_after_anon_function": false,
    "brace_style": "collapse,preserve-inline",
    "keep_array_indentation": false,
    "keep_function_indentation": false,
    "space_before_conditional": true,
    "break_chained_methods": false,
    "eval_code": false,
    "unescape_strings": false,
    "wrap_line_length": 0
}

I would expect that css-beautify puts a fixed number of newlines before the comment. Instead, by running css-beautify -f file.css -r repeatedly, there’s an increasing number of newlines before the comment.

[aszx0413]

It keeps adding new line between css rule and comments

[taoliujun]

I try format vue file in vscode. The code is border: 1px solid #ddd;/*no*/ for ignore px2rem, but after format code, The code becomes:

border: 1px solid #ddd;    
/*no*/

it add new line before /no/ comment and it will not work for ignore px2rem.

help me.