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67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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use crate::ops;
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use crate::state::State;
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use crate::web_worker::WebWorker;
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use core::task::Context;
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use deno_core;
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use deno_core::ErrBox;
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use deno_core::StartupData;
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use futures::future::Future;
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use futures::future::FutureExt;
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use std::ops::Deref;
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use std::ops::DerefMut;
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use std::pin::Pin;
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use std::task::Poll;
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/// This worker is used to host TypeScript and WASM compilers.
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///
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/// It provides minimal set of ops that are necessary to facilitate
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/// compilation.
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///
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/// NOTE: This worker is considered priveleged, because it may
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/// access file system without permission check.
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///
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/// At the moment this worker is meant to be single-use - after
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/// performing single compilation/bundling it should be destroyed.
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///
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/// TODO(bartlomieju): add support to reuse the worker - or in other
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/// words support stateful TS compiler
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pub struct CompilerWorker(WebWorker);
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impl CompilerWorker {
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pub fn new(name: String, startup_data: StartupData, state: State) -> Self {
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let state_ = state.clone();
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let mut worker = WebWorker::new(name, startup_data, state_);
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{
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let isolate = &mut worker.isolate;
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ops::compiler::init(isolate, &state);
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// TODO(bartlomieju): CompilerWorker should not
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// depend on those ops
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ops::os::init(isolate, &state);
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ops::fs::init(isolate, &state);
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}
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Self(worker)
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}
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}
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impl Deref for CompilerWorker {
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type Target = WebWorker;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for CompilerWorker {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl Future for CompilerWorker {
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type Output = Result<(), ErrBox>;
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fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
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let inner = self.get_mut();
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inner.0.poll_unpin(cx)
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}
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}
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