sasurahime 0.1.6

macOS developer cache cleaner — scan and wipe stale caches from 40+ tools
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use indicatif::{ProgressBar, ProgressStyle};
use std::sync::OnceLock;
use std::time::Duration;

fn spinner_style() -> &'static ProgressStyle {
    static STYLE: OnceLock<ProgressStyle> = OnceLock::new();
    STYLE.get_or_init(|| {
        ProgressStyle::default_spinner()
            .template("{spinner:.green} {msg}")
            .expect("valid indicatif template")
    })
}

pub fn with_spinner<R>(msg: &str, f: impl FnOnce() -> R) -> R {
    let pb = ProgressBar::new_spinner();
    pb.set_style(spinner_style().clone());
    pb.set_message(msg.to_string());
    pb.enable_steady_tick(Duration::from_millis(100));
    let result = f();
    pb.finish_and_clear();
    eprintln!("{msg} [OK]");
    result
}

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

    #[test]
    fn with_spinner_returns_value() {
        let result = with_spinner("test", || 42);
        assert_eq!(result, 42);
    }
}