use deno_core::anyhow::Error;use deno_core::FsModuleLoader;use deno_core::JsRuntime;use deno_core::RuntimeOptions;use std::rc::Rc;
fn main() -> Result<(), Error> { let args: Vec<String> = std::env::args().collect(); if args.len() < 2 { println!("Usage: target/examples/debug/fs_module_loader <path_to_module>"); std::process::exit(1); } let main_url = args[1].clone(); println!("Run {}", main_url);
let mut js_runtime = JsRuntime::new(RuntimeOptions { module_loader: Some(Rc::new(FsModuleLoader)), ..Default::default() });
let runtime = tokio::runtime::Builder::new_current_thread() .enable_all() .build()?;
let main_module = deno_core::resolve_path(&main_url)?;
let future = async move { let mod_id = js_runtime.load_main_module(&main_module, None).await?; let _ = js_runtime.mod_evaluate(mod_id); js_runtime.run_event_loop(false).await?; Ok(()) }; runtime.block_on(future)}