wat_formatter 0.10.1

WebAssembly Text Format formatter.
Documentation 
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use std::{env, error::Error, fs, io};
use wat_formatter::{config::FormatOptions, format};

fn main() -> Result<(), Box<dyn Error>> {
    let file_path = env::args().nth(1).unwrap();
    let input = fs::read_to_string(&file_path)?;
    let options = match fs::read_to_string("config.json") {
        Ok(s) => serde_json::from_str(&s)?,
        Err(error) => {
            if error.kind() == io::ErrorKind::NotFound {
                FormatOptions::default()
            } else {
                return Err(Box::new(error));
            }
        }
    };

    let (root, _) = wat_parser::parse(&input);
    print!("{}", format(&root, &options));
    Ok(())
}