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denoland-deno/runtime/examples/hello_runtime.rs
Bartek Iwańczuk 2fa0096821
compat: support --compat in web workers (#13629)
Adds another callback to WebWorkerOptions that allows to execute
some modules before actual worker code executes. This allows to set up Node
global using std/node.
2022-02-11 13:41:56 +01:00

74 lines
2.3 KiB
Rust

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::FsModuleLoader;
use deno_runtime::deno_broadcast_channel::InMemoryBroadcastChannel;
use deno_runtime::deno_web::BlobStore;
use deno_runtime::permissions::Permissions;
use deno_runtime::worker::MainWorker;
use deno_runtime::worker::WorkerOptions;
use deno_runtime::BootstrapOptions;
use std::path::Path;
use std::rc::Rc;
use std::sync::Arc;
fn get_error_class_name(e: &AnyError) -> &'static str {
deno_runtime::errors::get_error_class_name(e).unwrap_or("Error")
}
#[tokio::main]
async fn main() -> Result<(), AnyError> {
let module_loader = Rc::new(FsModuleLoader);
let create_web_worker_cb = Arc::new(|_| {
todo!("Web workers are not supported in the example");
});
let web_worker_preload_module_cb = Arc::new(|_| {
todo!("Web workers are not supported in the example");
});
let options = WorkerOptions {
bootstrap: BootstrapOptions {
apply_source_maps: false,
args: vec![],
cpu_count: 1,
debug_flag: false,
enable_testing_features: false,
location: None,
no_color: false,
runtime_version: "x".to_string(),
ts_version: "x".to_string(),
unstable: false,
},
extensions: vec![],
unsafely_ignore_certificate_errors: None,
root_cert_store: None,
user_agent: "hello_runtime".to_string(),
seed: None,
js_error_create_fn: None,
web_worker_preload_module_cb,
create_web_worker_cb,
maybe_inspector_server: None,
should_break_on_first_statement: false,
module_loader,
get_error_class_fn: Some(&get_error_class_name),
origin_storage_dir: None,
blob_store: BlobStore::default(),
broadcast_channel: InMemoryBroadcastChannel::default(),
shared_array_buffer_store: None,
compiled_wasm_module_store: None,
};
let js_path =
Path::new(env!("CARGO_MANIFEST_DIR")).join("examples/hello_runtime.js");
let main_module = deno_core::resolve_path(&js_path.to_string_lossy())?;
let permissions = Permissions::allow_all();
let mut worker = MainWorker::bootstrap_from_options(
main_module.clone(),
permissions,
options,
);
worker.execute_main_module(&main_module).await?;
worker.run_event_loop(false).await?;
Ok(())
}