Press.CSS.Parser (press v0.1.0)

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Parses a CSS string into {page_rules, style_rules}.

Never fails: a rule with no closing } is dropped, and a declaration that doesn't parse as a recognized property/value is silently skipped, same as a browser. See docs/superpowers/specs/2026-07-24-css-parser-cascade-design.md for the full design.

Examples

iex> Press.CSS.Parser.parse("h1 { color: red; }")
{[], [%Press.CSS.Rule{selector: [%{type: "h1"}], specificity: {0, 0, 1}, declarations: %{"color" => {1.0, 0.0, 0.0}}, source_index: 0}]}

Summary

Functions

parse(css)

Parses a raw CSS string into a tuple of {page_rules, style_rules}.

parse_declarations(body)

Parses a CSS declarations string (e.g. from an inline style="..." attribute) into a map of property-value pairs.

Functions

parse(css)

@spec parse(String.t()) :: {[Press.CSS.PageRule.t()], [Press.CSS.Rule.t()]}

Parses a raw CSS string into a tuple of {page_rules, style_rules}.

parse_declarations(body)

Parses a CSS declarations string (e.g. from an inline style="..." attribute) into a map of property-value pairs.