tyrol 0.0.1

🏔️ tyrol rolls up types into bundles
Documentation 
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use std::path::{Path, PathBuf};

use color_eyre::eyre::eyre;
use swc_common::{
    SourceMap,
    errors::{ColorConfig, Handler},
    sync::Lrc,
};
use swc_ecma_ast::EsVersion;
use swc_ecma_parser::{Parser, StringInput, Syntax, TsSyntax, lexer::Lexer};

pub struct Bundler {
    root_dir: PathBuf,
    cm: Lrc<SourceMap>,
    handler: Handler,
}

impl Bundler {
    pub fn new(root_dir: PathBuf) -> Self {
        let cm = Lrc::<SourceMap>::default();
        Bundler {
            root_dir,
            cm: cm.clone(),
            handler: Handler::with_tty_emitter(ColorConfig::Auto, true, false, Some(cm)),
        }
    }

    pub fn bundle(&self, entrypoint: impl AsRef<Path>) -> color_eyre::Result<()> {
        let mut path = self.root_dir.clone();
        path.push(entrypoint);

        let fm = self.cm.load_file(&path)?;

        let lexer = Lexer::new(
            Syntax::Typescript(TsSyntax::default()),
            EsVersion::latest(),
            StringInput::from(&*fm),
            None,
        );

        let mut parser = Parser::new_from(lexer);

        for e in parser.take_errors() {
            e.into_diagnostic(&self.handler).emit();
        }

        let module = parser.parse_module().map_err(|e| {
            e.into_diagnostic(&self.handler).emit();
            eyre!("couldn't parse {}", fm.name)
        })?;

        dbg!(module);

        Ok(())
    }
}