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47f7bed677
1. Generally we should prefer to use the `log` crate. 2. I very often accidentally commit `eprintln`s. When we should use `println` or `eprintln`, it's not too bad to be a bit more verbose and ignore the lint rule.
47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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#![allow(clippy::print_stdout)]
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#![allow(clippy::print_stderr)]
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use std::path::Path;
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use std::rc::Rc;
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use deno_core::error::AnyError;
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use deno_core::op2;
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use deno_core::FsModuleLoader;
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use deno_core::ModuleSpecifier;
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use deno_runtime::permissions::PermissionsContainer;
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use deno_runtime::worker::MainWorker;
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use deno_runtime::worker::WorkerOptions;
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#[op2(fast)]
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fn op_hello(#[string] text: &str) {
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println!("Hello {} from an op!", text);
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}
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deno_core::extension!(
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hello_runtime,
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ops = [op_hello],
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esm_entry_point = "ext:hello_runtime/bootstrap.js",
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esm = [dir "examples/extension", "bootstrap.js"]
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);
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#[tokio::main]
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async fn main() -> Result<(), AnyError> {
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let js_path =
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Path::new(env!("CARGO_MANIFEST_DIR")).join("examples/extension/main.js");
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let main_module = ModuleSpecifier::from_file_path(js_path).unwrap();
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eprintln!("Running {main_module}...");
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let mut worker = MainWorker::bootstrap_from_options(
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main_module.clone(),
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PermissionsContainer::allow_all(),
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WorkerOptions {
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module_loader: Rc::new(FsModuleLoader),
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extensions: vec![hello_runtime::init_ops_and_esm()],
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..Default::default()
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},
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);
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worker.execute_main_module(&main_module).await?;
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worker.run_event_loop(false).await?;
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Ok(())
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}
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