stylex_css/utils/
pre_rule.rs

1use std::cmp::Ordering;
2
3pub fn sort_pseudos(pseudos: &[String]) -> Vec<String> {
4  if pseudos.len() < 2 {
5    return pseudos.to_owned();
6  }
7
8  let mut acc: Vec<Vec<String>> = Vec::new();
9
10  for pseudo in pseudos {
11    if pseudo.starts_with("::") {
12      acc.push(vec![pseudo.to_string()]);
13    } else if let Some(last_element) = acc.last_mut() {
14      if last_element.len() == 1 && !last_element[0].starts_with("::") {
15        last_element.push(pseudo.to_string());
16      } else {
17        acc.push(vec![pseudo.to_string()]);
18      }
19    } else {
20      acc.push(vec![pseudo.to_string()]);
21    }
22  }
23
24  acc
25    .into_iter()
26    .flat_map(|pseudo| {
27      if pseudo.len() > 1 {
28        let mut sorted_pseudo = pseudo.clone();
29        sorted_pseudo.sort();
30        sorted_pseudo
31      } else {
32        pseudo
33      }
34    })
35    .collect()
36}
37
38pub fn sort_at_rules(at_rules: &[String]) -> Vec<String> {
39  let mut unsorted_at_rules = at_rules.to_vec();
40
41  unsorted_at_rules.sort_by(|a, b| string_comparator(a, b));
42
43  unsorted_at_rules
44}
45
46// a comparator function that sorts strings alphabetically
47// but where `default` always comes first
48fn string_comparator(a: &str, b: &str) -> std::cmp::Ordering {
49  if a == "default" {
50    return Ordering::Less;
51  }
52  if b == "default" {
53    return Ordering::Greater;
54  }
55  a.cmp(b)
56}
stylex_css/utils/pre_rule.rs

stylex_css/utils/
pre_rule.rs
