tailwind_css/modules/typography/tracking/
mod.rs

1use super::*;
2
3#[doc=include_str!("readme.md")]
4#[derive(Debug, Clone)]
5pub struct TailwindTracking {
6    kind: StandardValue,
7}
8
9impl Display for TailwindTracking {
10    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
11        write!(f, "tracking-{}", self.kind)
12    }
13}
14
15impl TailwindInstance for TailwindTracking {
16    fn attributes(&self, ctx: &TailwindBuilder) -> CssAttributes {
17        let tracking = match &self.kind {
18            StandardValue::Keyword(s) => match s.as_str() {
19                s if Self::check_valid(s) => s.to_string(),
20                _ => format!("{}em", ctx.fonts.get_tracking(s)),
21            },
22            StandardValue::Arbitrary(s) => s.get_properties(),
23        };
24        css_attributes! {
25            "letter-spacing" => tracking
26        }
27    }
28}
29
30impl TailwindTracking {
31    /// <https://tailwindcss.com/docs/letter-spacing>
32    pub fn parse(input: &[&str], arbitrary: &TailwindArbitrary) -> Result<Self> {
33        let kind = StandardValue::parser("tracking", &|_| true)(input, arbitrary)?;
34        Ok(Self { kind })
35    }
36    /// <https://developer.mozilla.org/en-US/docs/Web/CSS/letter-spacing#syntax>
37    pub fn check_valid(mode: &str) -> bool {
38        let set = BTreeSet::from_iter(vec!["inherit", "initial", "normal", "unset"]);
39        set.contains(mode)
40    }
41}
tailwind_css/modules/typography/tracking/mod.rs

tailwind_css/modules/typography/tracking/
mod.rs
