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ematipicoematipico
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fix(format): css comma separated values (#6477)
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Lines changed: 113 additions & 30 deletions

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‎.changeset/mean-ways-make.md‎

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---
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"@biomejs/biome": patch
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---
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Fixed an issue where Biome formatter didn't format consistently CSS value separated by commas.
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```diff
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.font-heading {
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- font-feature-settings: var(--heading-salt), var(--heading-ss06),
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- var(--heading-ss11), var(--heading-cv09), var(--heading-liga),
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- var(--heading-calt);
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+ font-feature-settings:
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+ var(--heading-salt), var(--heading-ss06), var(--heading-ss11),
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+ var(--heading-cv09), var(--heading-liga), var(--heading-calt);
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}
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```

‎crates/biome_css_formatter/src/utils/component_value_list.rs‎

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@@ -2,7 +2,7 @@ use crate::CssFormatter;
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use crate::comments::CssComments;
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use crate::prelude::*;
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use biome_css_syntax::{CssGenericDelimiter, CssGenericProperty, CssLanguage, CssSyntaxKind};
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use biome_formatter::{CstFormatContext, write};
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use biome_formatter::{CstFormatContext, format_args, write};
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use biome_formatter::{FormatOptions, FormatResult};
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use biome_rowan::{AstNode, AstNodeList, TextSize};
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use biome_string_case::StrLikeExtension;
@@ -112,7 +112,13 @@ where
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write!(f, [group(&indent(&content))])
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}
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ValueListLayout::Fill => {
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write!(f, [group(&indent(&values))])
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let with_line_break = format_with(|f| {
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if should_preceded_by_softline(node) {
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write!(f, [soft_line_break()])?;
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}
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Ok(())
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});
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write!(f, [indent(&group(&format_args![with_line_break, &values]))])
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}
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ValueListLayout::SingleValue => {
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write!(f, [values])
@@ -209,6 +215,15 @@ pub(crate) enum ValueListLayout {
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OneGroupPerLine,
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}
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fn should_preceded_by_softline<N, I>(node: &N) -> bool
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where
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N: AstNodeList<Language = CssLanguage, Node = I> + AstNode<Language = CssLanguage>,
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I: AstNode<Language = CssLanguage> + IntoFormat<CssFormatContext>,
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{
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node.iter()
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.any(|element| CssGenericDelimiter::can_cast(element.syntax().kind()))
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}
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/// Returns the layout to use when printing the provided CssComponentValueList.
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/// Until the parser supports comma-separated lists, this will always return
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/// [ValueListLayout::Fill], since all space-separated lists are intentionally

‎crates/biome_css_formatter/tests/quick_test.rs‎

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@@ -8,19 +8,16 @@ mod language {
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include!("language.rs");
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}
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#[ignore]
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// #[ignore]
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#[test]
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// use this test check if your snippet prints as you wish, without using a snapshot
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fn quick_test() {
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let src = r#"
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/* 1some medium long comment */
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.line1 selector,
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/* 2some medium long comment */
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.line1 selector,
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/* 3some medium long comment */
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div selector {
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background: green;
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let src = r#".font-heading {
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font-feature-settings:
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var(--heading-salt), var(--heading-ss06), var(--heading-ss11), var(--heading-cv09),
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var(--heading-liga), var(--heading-calt);
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}
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"#;
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let parse = parse_css(src, CssParserOptions::default());
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println!("{parse:#?}");

‎crates/biome_css_formatter/tests/specs/css/comma_separated_values.css‎

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.font-heading {
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font-family: Obviously, obviously-fallback, system-ui, sans-serif;
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font-variation-settings: var(--heading-wdth), var(--heading-wght), var(--heading-slnt);
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font-feature-settings:
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var(--heading-salt), var(--heading-ss06), var(--heading-ss11), var(--heading-cv09),
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var(--heading-liga), var(--heading-calt);
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}

‎crates/biome_css_formatter/tests/specs/css/comma_separated_values.css.snap‎

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---
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source: crates/biome_formatter_test/src/snapshot_builder.rs
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info: css/comma_separated_values.css
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---
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# Input
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```css
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.font-heading {
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font-family: Obviously, obviously-fallback, system-ui, sans-serif;
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font-variation-settings: var(--heading-wdth), var(--heading-wght), var(--heading-slnt);
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font-feature-settings:
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var(--heading-salt), var(--heading-ss06), var(--heading-ss11), var(--heading-cv09),
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var(--heading-liga), var(--heading-calt);
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}
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```
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=============================
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# Outputs
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## Output 1
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-----
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Indent style: Tab
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Indent width: 2
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Line ending: LF
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Line width: 80
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Quote style: Double Quotes
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-----
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```css
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.font-heading {
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font-family: Obviously, obviously-fallback, system-ui, sans-serif;
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font-variation-settings:
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var(--heading-wdth), var(--heading-wght), var(--heading-slnt);
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font-feature-settings:
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var(--heading-salt), var(--heading-ss06), var(--heading-ss11),
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var(--heading-cv09), var(--heading-liga), var(--heading-calt);
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}
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```

‎crates/biome_css_formatter/tests/specs/css/declaration_list.css.snap‎

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@@ -112,8 +112,9 @@ Quote style: Double Quotes
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a {
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--bs-font-monospace: sfmono-regular / menlo;
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--bs-font-monospace: sfmono-regular, menlo, monaco, consolas,
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"Liberation Mono", "Courier New", monospace;
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--bs-font-monospace:
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sfmono-regular, menlo, monaco, consolas, "Liberation Mono", "Courier New",
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monospace;
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}
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a {

‎crates/biome_css_formatter/tests/specs/css/properties/unicode_range.css.snap‎

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@@ -88,8 +88,9 @@ Quote style: Double Quotes
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}
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@font-face {
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unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC,
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U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
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unicode-range:
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U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F,
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U+2074, U+20AC, U+2212, U+2215;
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}
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@font-face {

‎crates/biome_css_formatter/tests/specs/css/value_one_group_per_line.css.snap‎

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@@ -1,6 +1,5 @@
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---
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source: crates/biome_formatter_test/src/snapshot_builder.rs
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assertion_line: 211
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info: css/value_one_group_per_line.css
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---
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# Input
@@ -64,9 +63,10 @@ body {
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background: url("image.jpg") no-repeat center center;
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unicode-range: U+0025-00FF, U+4??;
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font-family: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
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Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji",
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"Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
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font-family:
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"Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
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"Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
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"Segoe UI Symbol", "Noto Color Emoji";
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transition:
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color 0.15s ease-in-out,

‎crates/biome_css_formatter/tests/specs/prettier/css/comments/declaration.css.snap‎

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@@ -86,7 +86,7 @@ body
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```diff
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--- Prettier
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+++ Biome
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@@ -1,58 +1,54 @@
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@@ -1,58 +1,55 @@
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a {
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/* comment 1 */
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- /* comment 2 */
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- local(/* comment 17 */ "Prettier" /* comment 18 */),
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- /* comment 19 */ /* comment 20 */ url("http://prettier.com/font.woff")
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- /* comment 21 */; /* comment 22 */
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+ /* comment 16 */ src: local(/* comment 17 */ "Prettier" /* comment 18 */), /* comment 19 */
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+ /* comment 16 */ src:
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+ local(/* comment 17 */ "Prettier" /* comment 18 */), /* comment 19 */
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+ /* comment 20 */ url("http://prettier.com/font.woff") /* comment 21 */; /* comment 22 */
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}
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@@ -195,7 +196,8 @@ a {
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@font-face {
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font-family: "Prettier";
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/* comment 16 */ src: local(/* comment 17 */ "Prettier" /* comment 18 */), /* comment 19 */
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/* comment 16 */ src:
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local(/* comment 17 */ "Prettier" /* comment 18 */), /* comment 19 */
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/* comment 20 */ url("http://prettier.com/font.woff") /* comment 21 */; /* comment 22 */
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}
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@@ -273,8 +275,7 @@ body {
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# Lines exceeding max width of 80 characters
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```
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7: /* comment 11 */ color: red /* comment 12 */ !important /* comment 13 */; /* comment 14 */
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13: /* comment 16 */ src: local(/* comment 17 */ "Prettier" /* comment 18 */), /* comment 19 */
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14: /* comment 20 */ url("http://prettier.com/font.woff") /* comment 21 */; /* comment 22 */
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18: /* comment 23 */ /* comment 24 */ /* comment 25 */ color: blue /* comment 26 */; /* comment 27 */
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24: /* comment 34 */ /* comment 35 */ /* comment 36 */ color: blue /* comment 37 */; /* comment 38 */
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15: /* comment 20 */ url("http://prettier.com/font.woff") /* comment 21 */; /* comment 22 */
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19: /* comment 23 */ /* comment 24 */ /* comment 25 */ color: blue /* comment 26 */; /* comment 27 */
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25: /* comment 34 */ /* comment 35 */ /* comment 36 */ color: blue /* comment 37 */; /* comment 38 */
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```

‎crates/biome_css_formatter/tests/specs/prettier/css/fill-value/fill.css.snap‎

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@@ -28,10 +28,11 @@ div {
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- "Helvetica Neue",
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- Helvetica,
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- Arial,
31+
- sans-serif;
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+ border-left: 1px solid mix($warningBackgroundColors, $warningBorderColors, 50%);
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+ $
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+ fontFamily: "Lato", -apple-system, "Helvetica Neue", Helvetica, Arial,
34-
sans-serif;
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+ fontFamily:
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+ "Lato", -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
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}
3637
```
3738

@@ -41,8 +42,8 @@ div {
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div {
4243
border-left: 1px solid mix($warningBackgroundColors, $warningBorderColors, 50%);
4344
$
44-
fontFamily: "Lato", -apple-system, "Helvetica Neue", Helvetica, Arial,
45-
sans-serif;
45+
fontFamily:
46+
"Lato", -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
4647
}
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```
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