efmt 0.21.0

Erlang code formatter
Documentation 
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use colored::Colorize;
use similar::{ChangeTag, TextDiff};
use std::path::Path;

pub fn text_color_diff<P: AsRef<Path>>(original: &str, formatted: &str, file: P) {
    let diff = TextDiff::from_lines(original, formatted);
    let file = file.as_ref().display();

    println!("--- {}", format!("a/{file}").bold());
    println!("+++ {}", format!("b/{file}").bold());
    for hunk in diff.unified_diff().iter_hunks() {
        println!("{}", hunk.header().to_string().cyan());
        for change in hunk.iter_changes() {
            let line: &dyn std::fmt::Display = match change.tag() {
                ChangeTag::Equal => &format!(" {}", change),
                ChangeTag::Delete => &format!("-{}", change).red(),
                ChangeTag::Insert => &format!("+{}", change).green(),
            };
            print!("{line}");
        }
    }
    println!();
}

pub fn text_diff<P: AsRef<Path>>(original: &str, formatted: &str, file: P) {
    let diff = TextDiff::from_lines(original, formatted);
    let file = file.as_ref().display();
    println!(
        "{}",
        diff.unified_diff()
            .header(&format!("a/{file}"), &format!("b/{file}"))
    );
}