Module rules 

CSS rules.

The CssRule enum includes all supported rules, and can be used to parse and serialize rules from CSS. Lists of rules (i.e. within a stylesheet, or inside another rule such as @media) are represented by CssRuleList.

Each rule includes a source location, which indicates the line and column within the source file where it was parsed. This is used when generating source maps.

Example

This example shows how you could parse a single CSS rule, and serialize it to a string.

use lightningcss::{
  rules::CssRule,
  traits::ToCss,
  stylesheet::{ParserOptions, PrinterOptions}
};

let rule = CssRule::parse_string(
  ".foo { color: red; }",
  ParserOptions::default()
).unwrap();

assert_eq!(
  rule.to_css_string(PrinterOptions::default()).unwrap(),
  ".foo {\n  color: red;\n}"
);

If you have a cssparser::Parser already, you can also use the parse and to_css methods instead, rather than parsing from a string.

See StyleSheet to parse an entire file of multiple rules.

Modules

container

The @container rule.

counter_style

The @counter-style rule.

custom_media

The @custom-media rule.

document

The @-moz-document rule.

font_face

The @font-face rule.

font_feature_values

The @font-feature-values rule.

font_palette_values

The @font-palette-values rule.

import

The @import rule.

keyframes

The @keyframes rule.

layer

The @layer rule.

media

The @media rule.

namespace

The @namespace rule.

nesting

The @nest rule.

page

The @page rule.

property

The @property rule.

scope

The @scope rule.

starting_style

The @starting-style rule.

style

Style rules.

supports

The @supports rule.

unknown

An unknown at-rule.

view_transition

The @view-transition rule.

viewport

The @viewport rule.

Structs

CssRuleList

A list of CSS rules.

Location

A source location.

Enums

CssRule

A CSS rule.