refactor(runtime): factor out deno_io extension crate (#18001)

This is a prerequisite to factor out FS ops to a separate crate.

Cargo.lock

@@ -1161,6 +1161,17 @@ dependencies = [
  "tokio-util",
 ]
 
+[[package]]
+name = "deno_io"
+version = "0.1.0"
+dependencies = [
+ "deno_core",
+ "nix",
+ "once_cell",
+ "tokio",
+ "winapi",
+]
+
 [[package]]
 name = "deno_lint"
 version = "0.41.0"
@@ -1265,6 +1276,7 @@ dependencies = [
  "deno_ffi",
  "deno_flash",
  "deno_http",
+ "deno_io",
  "deno_napi",
  "deno_net",
  "deno_node",

Cargo.toml

@@ -21,6 +21,7 @@ members = [
   "ext/flash",
   "ext/ffi",
   "ext/http",
+  "ext/io",
   "ext/net",
   "ext/node",
   "ext/url",
@@ -62,6 +63,7 @@ deno_fetch = { version = "0.115.0", path = "./ext/fetch" }
 deno_ffi = { version = "0.78.0", path = "./ext/ffi" }
 deno_flash = { version = "0.27.0", path = "./ext/flash" }
 deno_http = { version = "0.86.0", path = "./ext/http" }
+deno_io = { version = "0.1.0", path = "./ext/io" }
 deno_net = { version = "0.83.0", path = "./ext/net" }
 deno_node = { version = "0.28.0", path = "./ext/node" }
 deno_tls = { version = "0.78.0", path = "./ext/tls" }

cli/build.rs

@@ -351,6 +351,7 @@ fn create_cli_snapshot(snapshot_path: PathBuf) {
     ),
     deno_napi::init::<PermissionsContainer>(),
     deno_http::init(),
+    deno_io::init(Default::default()),
     deno_flash::init::<PermissionsContainer>(false), // No --unstable
   ];
 

cli/lsp/testing/execution.rs

@@ -27,8 +27,8 @@ use deno_core::futures::StreamExt;
 use deno_core::parking_lot::Mutex;
 use deno_core::parking_lot::RwLock;
 use deno_core::ModuleSpecifier;
-use deno_runtime::ops::io::Stdio;
+use deno_runtime::deno_io::Stdio;
-use deno_runtime::ops::io::StdioPipe;
+use deno_runtime::deno_io::StdioPipe;
 use deno_runtime::permissions::Permissions;
 use deno_runtime::permissions::PermissionsContainer;
 use deno_runtime::tokio_util::run_local;

cli/tools/test.rs

@@ -31,9 +31,9 @@ use deno_core::futures::StreamExt;
 use deno_core::parking_lot::Mutex;
 use deno_core::url::Url;
 use deno_core::ModuleSpecifier;
+use deno_runtime::deno_io::Stdio;
+use deno_runtime::deno_io::StdioPipe;
 use deno_runtime::fmt_errors::format_js_error;
-use deno_runtime::ops::io::Stdio;
-use deno_runtime::ops::io::StdioPipe;
 use deno_runtime::permissions::Permissions;
 use deno_runtime::permissions::PermissionsContainer;
 use deno_runtime::tokio_util::run_local;

cli/util/console.rs

@@ -4,6 +4,6 @@ use deno_runtime::ops::tty::ConsoleSize;
 
 /// Gets the console size.
 pub fn console_size() -> Option<ConsoleSize> {
-  let stderr = &deno_runtime::ops::io::STDERR_HANDLE;
+  let stderr = &deno_runtime::deno_io::STDERR_HANDLE;
   deno_runtime::ops::tty::console_size(stderr).ok()
 }

cli/worker.rs

@@ -420,7 +420,7 @@ pub async fn create_main_worker_for_test_or_bench(
   main_module: ModuleSpecifier,
   permissions: PermissionsContainer,
   custom_extensions: Vec<Extension>,
-  stdio: deno_runtime::ops::io::Stdio,
+  stdio: deno_runtime::deno_io::Stdio,
 ) -> Result<CliMainWorker, AnyError> {
   create_main_worker_internal(
     ps,
@@ -438,7 +438,7 @@ async fn create_main_worker_internal(
   main_module: ModuleSpecifier,
   permissions: PermissionsContainer,
   mut custom_extensions: Vec<Extension>,
-  stdio: deno_runtime::ops::io::Stdio,
+  stdio: deno_runtime::deno_io::Stdio,
   bench_or_test: bool,
 ) -> Result<CliMainWorker, AnyError> {
   let (main_module, is_main_cjs) = if let Ok(package_ref) =
@@ -642,7 +642,7 @@ fn create_web_worker_pre_execute_module_callback(
 
 fn create_web_worker_callback(
   ps: ProcState,
-  stdio: deno_runtime::ops::io::Stdio,
+  stdio: deno_runtime::deno_io::Stdio,
 ) -> Arc<CreateWebWorkerCb> {
   Arc::new(move |args| {
     let maybe_inspector_server = ps.maybe_inspector_server.clone();

ext/io/Cargo.toml

@@ -0,0 +1,25 @@
+# Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+[package]
+name = "deno_io"
+version = "0.1.0"
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+readme = "README.md"
+repository.workspace = true
+description = "IO promitives for Deno extensions"
+
+[lib]
+path = "lib.rs"
+
+[dependencies]
+deno_core.workspace = true
+once_cell.workspace = true
+tokio.workspace = true
+
+[target.'cfg(unix)'.dependencies]
+nix.workspace = true
+
+[target.'cfg(windows)'.dependencies]
+winapi = { workspace = true, features = ["winbase"] }

ext/io/README.md

@@ -0,0 +1,4 @@
+# deno_io
+
+This crate provides IO primitives for other Deno extensions, this includes stdio
+streams and abstraction over File System files.

ext/io/lib.rs

@@ -2,6 +2,7 @@
 
 use deno_core::error::resource_unavailable;
 use deno_core::error::AnyError;
+use deno_core::include_js_files;
 use deno_core::op;
 use deno_core::parking_lot::Mutex;
 use deno_core::AsyncMutFuture;
@@ -77,46 +78,14 @@ pub static STDERR_HANDLE: Lazy<StdFile> = Lazy::new(|| {
   unsafe { StdFile::from_raw_handle(GetStdHandle(winbase::STD_ERROR_HANDLE)) }
 });
 
-pub fn init() -> Extension {
+pub fn init(stdio: Stdio) -> Extension {
-  Extension::builder("deno_io")
-    .ops(vec![op_read_sync::decl(), op_write_sync::decl()])
-    .build()
-}
-
-pub enum StdioPipe {
-  Inherit,
-  File(StdFile),
-}
-
-impl Default for StdioPipe {
-  fn default() -> Self {
-    Self::Inherit
-  }
-}
-
-impl Clone for StdioPipe {
-  fn clone(&self) -> Self {
-    match self {
-      StdioPipe::Inherit => StdioPipe::Inherit,
-      StdioPipe::File(pipe) => StdioPipe::File(pipe.try_clone().unwrap()),
-    }
-  }
-}
-
-/// Specify how stdin, stdout, and stderr are piped.
-/// By default, inherits from the process.
-#[derive(Clone, Default)]
-pub struct Stdio {
-  pub stdin: StdioPipe,
-  pub stdout: StdioPipe,
-  pub stderr: StdioPipe,
-}
-
-pub fn init_stdio(stdio: Stdio) -> Extension {
   // todo(dsheret): don't do this? Taking out the writers was necessary to prevent invalid handle panics
   let stdio = Rc::new(RefCell::new(Some(stdio)));
 
-  Extension::builder("deno_stdio")
+  Extension::builder("deno_io")
+    .ops(vec![op_read_sync::decl(), op_write_sync::decl()])
+    .dependencies(vec!["deno_web"])
+    .esm(include_js_files!("12_io.js",))
     .middleware(|op| match op.name {
       "op_print" => op_print::decl(),
       _ => op,
@@ -168,6 +137,35 @@ pub fn init_stdio(stdio: Stdio) -> Extension {
     .build()
 }
 
+pub enum StdioPipe {
+  Inherit,
+  File(StdFile),
+}
+
+impl Default for StdioPipe {
+  fn default() -> Self {
+    Self::Inherit
+  }
+}
+
+impl Clone for StdioPipe {
+  fn clone(&self) -> Self {
+    match self {
+      StdioPipe::Inherit => StdioPipe::Inherit,
+      StdioPipe::File(pipe) => StdioPipe::File(pipe.try_clone().unwrap()),
+    }
+  }
+}
+
+/// Specify how stdin, stdout, and stderr are piped.
+/// By default, inherits from the process.
+#[derive(Clone, Default)]
+pub struct Stdio {
+  pub stdin: StdioPipe,
+  pub stdout: StdioPipe,
+  pub stderr: StdioPipe,
+}
+
 #[cfg(unix)]
 use nix::sys::termios;
 

runtime/Cargo.toml

@@ -43,6 +43,7 @@ deno_fetch.workspace = true
 deno_ffi.workspace = true
 deno_flash.workspace = true
 deno_http.workspace = true
+deno_io.workspace = true
 deno_net.workspace = true
 deno_node.workspace = true
 deno_tls.workspace = true
@@ -70,6 +71,7 @@ deno_fetch.workspace = true
 deno_ffi.workspace = true
 deno_flash.workspace = true
 deno_http.workspace = true
+deno_io.workspace = true
 deno_napi.workspace = true
 deno_net.workspace = true
 deno_node.workspace = true

runtime/build.rs

@@ -190,6 +190,7 @@ mod startup_snapshot {
         "deno_napi",
         "deno_http",
         "deno_flash",
+        "deno_io",
       ])
       .esm(include_js_files!(
         dir "js",
@@ -199,7 +200,6 @@ mod startup_snapshot {
         "06_util.js",
         "10_permissions.js",
         "11_workers.js",
-        "12_io.js",
         "13_buffer.js",
         "30_fs.js",
         "30_os.js",
@@ -245,6 +245,7 @@ mod startup_snapshot {
       ),
       deno_napi::init::<Permissions>(),
       deno_http::init(),
+      deno_io::init(Default::default()),
       deno_flash::init::<Permissions>(false), // No --unstable
       runtime_extension,
       // FIXME(bartlomieju): these extensions are specified last, because they

runtime/js/40_files.js

@@ -2,7 +2,7 @@
 
 const core = globalThis.Deno.core;
 const ops = core.ops;
-import { read, readSync, write, writeSync } from "internal:runtime/js/12_io.js";
+import { read, readSync, write, writeSync } from "internal:deno_io/12_io.js";
 import {
   fstat,
   fstatSync,

runtime/js/40_process.js

@@ -3,7 +3,7 @@
 const core = globalThis.Deno.core;
 const ops = core.ops;
 import { FsFile } from "internal:runtime/js/40_files.js";
-import { readAll } from "internal:runtime/js/12_io.js";
+import { readAll } from "internal:deno_io/12_io.js";
 import { pathFromURL } from "internal:runtime/js/06_util.js";
 import { assert } from "internal:deno_web/00_infra.js";
 const primordials = globalThis.__bootstrap.primordials;

runtime/js/90_deno_ns.js

@@ -14,7 +14,7 @@ import * as build from "internal:runtime/js/01_build.js";
 import * as errors from "internal:runtime/js/01_errors.js";
 import * as version from "internal:runtime/js/01_version.ts";
 import * as permissions from "internal:runtime/js/10_permissions.js";
-import * as io from "internal:runtime/js/12_io.js";
+import * as io from "internal:deno_io/12_io.js";
 import * as buffer from "internal:runtime/js/13_buffer.js";
 import * as fs from "internal:runtime/js/30_fs.js";
 import * as os from "internal:runtime/js/30_os.js";

runtime/lib.rs

@@ -9,6 +9,7 @@ pub use deno_fetch;
 pub use deno_ffi;
 pub use deno_flash;
 pub use deno_http;
+pub use deno_io;
 pub use deno_napi;
 pub use deno_net;
 pub use deno_node;

runtime/ops/fs.rs

@@ -1,6 +1,5 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 // Some deserializer fields are only used on Unix and Windows build fails without it
-use super::io::StdFileResource;
 use super::utils::into_string;
 use crate::fs_util::canonicalize_path;
 use deno_core::error::custom_error;
@@ -15,6 +14,7 @@ use deno_core::ResourceId;
 use deno_core::ZeroCopyBuf;
 use deno_crypto::rand::thread_rng;
 use deno_crypto::rand::Rng;
+use deno_io::StdFileResource;
 use log::debug;
 use serde::Deserialize;
 use serde::Serialize;

runtime/ops/mod.rs

@@ -3,7 +3,6 @@
 pub mod fs;
 pub mod fs_events;
 pub mod http;
-pub mod io;
 pub mod os;
 pub mod permissions;
 pub mod process;

runtime/ops/process.rs

@@ -1,12 +1,12 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use super::io::ChildStderrResource;
-use super::io::ChildStdinResource;
-use super::io::ChildStdoutResource;
-use super::io::StdFileResource;
 use crate::permissions::PermissionsContainer;
 use deno_core::error::AnyError;
 use deno_core::op;
+use deno_io::ChildStderrResource;
+use deno_io::ChildStdinResource;
+use deno_io::ChildStdoutResource;
+use deno_io::StdFileResource;
 
 use deno_core::serde_json;
 use deno_core::AsyncMutFuture;

runtime/ops/spawn.rs

@@ -1,8 +1,5 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use super::io::ChildStderrResource;
-use super::io::ChildStdinResource;
-use super::io::ChildStdoutResource;
 use super::process::Stdio;
 use super::process::StdioOrRid;
 use crate::permissions::PermissionsContainer;
@@ -13,6 +10,9 @@ use deno_core::OpState;
 use deno_core::Resource;
 use deno_core::ResourceId;
 use deno_core::ZeroCopyBuf;
+use deno_io::ChildStderrResource;
+use deno_io::ChildStdinResource;
+use deno_io::ChildStdoutResource;
 use serde::Deserialize;
 use serde::Serialize;
 use std::borrow::Cow;

runtime/ops/tty.rs

@@ -1,10 +1,10 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use super::io::StdFileResource;
 use deno_core::error::AnyError;
 use deno_core::op;
 use deno_core::Extension;
 use deno_core::OpState;
+use deno_io::StdFileResource;
 use std::io::Error;
 
 #[cfg(unix)]

runtime/web_worker.rs

@@ -2,7 +2,6 @@
 use crate::colors;
 use crate::inspector_server::InspectorServer;
 use crate::ops;
-use crate::ops::io::Stdio;
 use crate::permissions::PermissionsContainer;
 use crate::tokio_util::run_local;
 use crate::worker::FormatJsErrorFn;
@@ -33,6 +32,7 @@ use deno_core::RuntimeOptions;
 use deno_core::SharedArrayBufferStore;
 use deno_core::Snapshot;
 use deno_core::SourceMapGetter;
+use deno_io::Stdio;
 use deno_node::RequireNpmResolver;
 use deno_tls::rustls::RootCertStore;
 use deno_web::create_entangled_message_port;
@@ -426,8 +426,7 @@ impl WebWorker {
       // Extensions providing Deno.* features
       ops::fs_events::init(),
       ops::fs::init::<PermissionsContainer>(),
-      ops::io::init(),
+      deno_io::init(options.stdio),
-      ops::io::init_stdio(options.stdio),
       deno_tls::init(),
       deno_net::init::<PermissionsContainer>(
         options.root_cert_store.clone(),

runtime/worker.rs

@@ -28,6 +28,7 @@ use deno_core::RuntimeOptions;
 use deno_core::SharedArrayBufferStore;
 use deno_core::Snapshot;
 use deno_core::SourceMapGetter;
+use deno_io::Stdio;
 use deno_node::RequireNpmResolver;
 use deno_tls::rustls::RootCertStore;
 use deno_web::BlobStore;
@@ -35,7 +36,6 @@ use log::debug;
 
 use crate::inspector_server::InspectorServer;
 use crate::ops;
-use crate::ops::io::Stdio;
 use crate::permissions::PermissionsContainer;
 use crate::BootstrapOptions;
 
@@ -257,8 +257,7 @@ impl MainWorker {
       ops::spawn::init(),
       ops::fs_events::init(),
       ops::fs::init::<PermissionsContainer>(),
-      ops::io::init(),
+      deno_io::init(options.stdio),
-      ops::io::init_stdio(options.stdio),
       deno_tls::init(),
       deno_net::init::<PermissionsContainer>(
         options.root_cert_store.clone(),