split_pattern() — tailwindcss Function Reference

Architecture documentation for the split_pattern() function in glob.rs from the tailwindcss codebase.

Function rust OxideCore PreProcessors called by 1

Entity Profile

OxideCore→ PreProcessors→ split_pattern() — tailwindcss Function Reference

Dependency Diagram

graph TD
  b5040254_6a87_4f17_6fb9_bd076880998b["split_pattern()"]
  32fd280d_8a0c_065c_78a7_8bfcab67fb4f["hoist_static_glob_parts()"]
  32fd280d_8a0c_065c_78a7_8bfcab67fb4f -->|calls| b5040254_6a87_4f17_6fb9_bd076880998b
  style b5040254_6a87_4f17_6fb9_bd076880998b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

crates/oxide/src/glob.rs lines 157–187

pub fn split_pattern(pattern: &str) -> (Option<String>, Option<String>) {
    // No dynamic parts, so we can just return the input as-is.
    if !pattern.contains('*') {
        return (Some(pattern.to_owned()), None);
    }

    let mut last_slash_position = None;

    for (i, c) in pattern.char_indices() {
        if c == '/' {
            last_slash_position = Some(i);
        }

        if c == '*' || c == '!' {
            break;
        }
    }

    // Very first character is a `*`, therefore there is no static part, only a dynamic part.
    let Some(last_slash_position) = last_slash_position else {
        return (None, Some(pattern.to_owned()));
    };

    let static_part = pattern[..last_slash_position].to_owned();
    let dynamic_part = pattern[last_slash_position + 1..].to_owned();

    let static_part = (!static_part.is_empty()).then_some(static_part);
    let dynamic_part = (!dynamic_part.is_empty()).then_some(dynamic_part);

    (static_part, dynamic_part)
}