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This commit removes "WorkerGlobalScope" global from the "global middleware" that we use to provide different set of globals to user code and npm packages. This is done, by renaming "WebWorkerType" to "WorkerThreadType" and introducing a "Node" variant - this variant is used when creating a worker using "node:worker_threads" module. This worker does not have a "WorkerGlobalScope" (because it's not a Web Worker) and the regular Web Worker created using "new Worker" does have it.
69 lines
1.6 KiB
Rust
69 lines
1.6 KiB
Rust
// Copyright 2018-2025 the Deno authors. MIT license.
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mod sync_fetch;
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use std::cell::RefCell;
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use std::rc::Rc;
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use deno_core::op2;
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use deno_core::CancelFuture;
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use deno_core::OpState;
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use deno_web::JsMessageData;
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use deno_web::MessagePortError;
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pub use sync_fetch::SyncFetchError;
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use self::sync_fetch::op_worker_sync_fetch;
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use crate::web_worker::WebWorkerInternalHandle;
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use crate::web_worker::WorkerThreadType;
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deno_core::extension!(
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deno_web_worker,
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ops = [
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op_worker_post_message,
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op_worker_recv_message,
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// Notify host that guest worker closes.
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op_worker_close,
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op_worker_get_type,
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op_worker_sync_fetch,
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],
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);
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#[op2]
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fn op_worker_post_message(
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state: &mut OpState,
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#[serde] data: JsMessageData,
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) -> Result<(), MessagePortError> {
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let handle = state.borrow::<WebWorkerInternalHandle>().clone();
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handle.port.send(state, data)
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}
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#[op2(async(lazy), fast)]
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#[serde]
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async fn op_worker_recv_message(
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state: Rc<RefCell<OpState>>,
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) -> Result<Option<JsMessageData>, MessagePortError> {
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let handle = {
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let state = state.borrow();
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state.borrow::<WebWorkerInternalHandle>().clone()
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};
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handle
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.port
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.recv(state.clone())
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.or_cancel(handle.cancel)
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.await?
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}
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#[op2(fast)]
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fn op_worker_close(state: &mut OpState) {
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// Notify parent that we're finished
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let mut handle = state.borrow_mut::<WebWorkerInternalHandle>().clone();
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handle.terminate();
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}
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#[op2]
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#[serde]
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fn op_worker_get_type(state: &mut OpState) -> WorkerThreadType {
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let handle = state.borrow::<WebWorkerInternalHandle>().clone();
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handle.worker_type
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}
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