Function generate_bytecode_cache

llrt_core/build.rs:93–219

(out_dir: &str)

}

fn generate_bytecode_cache(out_dir: &str) -> StdResult<(), Box<dyn Error>> {
    let resolver = (DummyResolver,);
    let loader = (DummyLoader,);

    let rt = Runtime::new()?;
    rt.set_loader(resolver, loader);
    let ctx = Context::full(&rt)?;

    let bytecode_cache_path = Path::new(&out_dir).join("bytecode_cache.rs");
    let mut bytecode_cache_file = BufWriter::new(File::create(bytecode_cache_path)?);

    let mut ph_map = phf_codegen::Map::<String>::new();
    let mut lrt_filenames = vec![];
    let mut total_bytes: usize = 0;

    fs::write("../VERSION", env!("CARGO_PKG_VERSION")).expect("Unable to write VERSION file");

    #[cfg(feature = "lambda")]
    let test_file = PathBuf::new().join("@llrt").join("test.js");

    ctx.with(|ctx| {
        for dir_ent in WalkDir::new(BUNDLE_JS_DIR).into_iter().flatten() {
            let path = dir_ent.path();

            let path = path.strip_prefix(BUNDLE_JS_DIR)?.to_owned();

            let path_str = path.to_string_lossy().to_string();

            if path_str.starts_with("__tests__") || path.extension().unwrap_or_default() != "js" {
                continue;
            }

            #[cfg(feature = "lambda")]
            {
                if path == test_file {
                    continue;
                }
            }

            #[cfg(feature = "no-sdk")]
            {
                if path_str.starts_with("@aws-sdk")
                    || path_str.starts_with("@smithy")
                    || path_str.starts_with("llrt-chunk-sdk")
                {
                    continue;
                }
            }

            let source = fs::read_to_string(dir_ent.path())
                .unwrap_or_else(|_| panic!("Unable to load: {}", dir_ent.path().to_string_lossy()));

            let module_name = if !path_str.starts_with("llrt-") {
                path.with_extension("")
                    .to_string_lossy()
                    .replace('\\', "/")
                    .replace("@llrt/", "llrt:")
            } else {