djoc 0.1.0

The Djot document compiler
Documentation 
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use std::path::PathBuf;

#[allow(dead_code)]
/// Returns the djoc data directory
pub fn data_dir() -> PathBuf {
    dirs::data_dir()
        .expect("Unable to get the data directory.")
        .join("djoc")
}

/// Make kebab-cased string
pub fn kebab(s: &str) -> String {
    s.chars()
        .filter_map(|ch| {
            if ch.is_alphanumeric() {
                Some(ch.to_ascii_lowercase())
            } else if ch.is_whitespace() || ch == '-' {
                Some('-')
            } else {
                None
            }
        })
        .collect()
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_kebab() {
        assert_eq!(kebab("Hello, world!"), "hello-world");
        assert_eq!(kebab("こんにちは"), "こんにちは");
        assert_eq!(kebab("Hello\tworld"), "hello-world");
        assert_eq!(kebab("Hello\rworld"), "hello-world");
        assert_eq!(kebab("Hello\nworld"), "hello-world");
        assert_eq!(kebab("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"), "-");
    }
}