Mangling comments in scss

This is the smallest example I could create

before:

$colors: (
light: #fff,
);
//
//

after:

$colors: (
	light: #fff
);
li
);

Empty comments are removed and replaced with garbage pulled from elsewhere in the file.

I first saw this happening with a much larger file with a much longer defintion of $colors followed by a block of comments (// not /* */) which had multiple empty comment lines for paragraph spacing. The formatter a) replaced a couple empty comment lines with a pair of characters from a different line (as above) and b) removed others leaving an empty line. After removing the erroring characters, subsequent format would then remove those empty lines (also undesired behavior) clumping the comment paragraphs into a single block.

I’ve looked for a setting to disable formatting of any comments but I couldn’t find any.

I’m happy to move this issue to https://github.com/prettier/prettier if that’s a better place.

[johndugan]

Related - ignore rules are not obeyed.

Before formatting:

/* prettier-ignore-start */
$mq-footer_row3: em(700);            // [1]
$mq-promoBrandsList-medium: em(550); // [2]
$mq-promoBrandsList-large: em(930);  // [3]
$mq-promo4coloumn: em(450);          // [4]
/* prettier-ignore-end */

After formatting:

/* prettier-ignore-start */
$mq-footer_row3: em(700); // [1]
$mq-promoBrandsList-medium: em(550); // [2]
$mq-promoBrandsList-large: em(930); // [3]
$mq-promo4coloumn: em(450); // [4]
/* prettier-ignore-end */

[github-actions[bot]]

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