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unstable: remove Deno.spawn, Deno.spawnSync, Deno.spawnChild APIs (#16893)

This commit removes three unstable Deno APIs:
- "Deno.spawn()"
- "Deno.spawnSync()"
- "Deno.spawnChild()"

These APIs were replaced by a unified "Deno.Command" API.
This commit is contained in:
Bartek Iwańczuk 2022-12-09 16:43:36 +01:00 committed by GitHub
parent 6541a0a9fd
commit cb6700fa5a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 38 additions and 1053 deletions

View file

@ -1,11 +1,11 @@
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
Deno.bench("echo deno", async () => {
await Deno.spawn("echo", { args: ["deno"] });
await new Deno.Command("echo", { args: ["deno"] }).output();
});
Deno.bench("cat 128kb", async () => {
await Deno.spawn("cat", {
await new Deno.Command("cat", {
args: ["./cli/bench/testdata/128k.bin"],
});
}).output();
});

View file

@ -1,831 +0,0 @@
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertRejects,
assertStringIncludes,
assertThrows,
} from "./test_util.ts";
Deno.test(
{ permissions: { write: true, run: true, read: true } },
async function spawnWithCwdIsAsync() {
const enc = new TextEncoder();
const cwd = await Deno.makeTempDir({ prefix: "deno_command_test" });
const exitCodeFile = "deno_was_here";
const programFile = "poll_exit.ts";
const program = `
async function tryExit() {
try {
const code = parseInt(await Deno.readTextFile("${exitCodeFile}"));
Deno.exit(code);
} catch {
// Retry if we got here before deno wrote the file.
setTimeout(tryExit, 0.01);
}
}
tryExit();
`;
Deno.writeFileSync(`${cwd}/${programFile}`, enc.encode(program));
const child = Deno.spawnChild(Deno.execPath(), {
cwd,
args: ["run", "--allow-read", programFile],
stdout: "inherit",
stderr: "inherit",
});
// Write the expected exit code *after* starting deno.
// This is how we verify that `Child` is actually asynchronous.
const code = 84;
Deno.writeFileSync(`${cwd}/${exitCodeFile}`, enc.encode(`${code}`));
const status = await child.status;
await Deno.remove(cwd, { recursive: true });
assertEquals(status.success, false);
assertEquals(status.code, code);
assertEquals(status.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnStdinPiped() {
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"if (new TextDecoder().decode(await Deno.readAll(Deno.stdin)) !== 'hello') throw new Error('Expected \\'hello\\'')",
],
stdin: "piped",
stdout: "null",
stderr: "null",
});
assertThrows(() => child.stdout, TypeError, "stdout is not piped");
assertThrows(() => child.stderr, TypeError, "stderr is not piped");
const msg = new TextEncoder().encode("hello");
const writer = child.stdin.getWriter();
await writer.write(msg);
writer.releaseLock();
await child.stdin.close();
const status = await child.status;
assertEquals(status.success, true);
assertEquals(status.code, 0);
assertEquals(status.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnStdoutPiped() {
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
],
stderr: "null",
});
assertThrows(() => child.stdin, TypeError, "stdin is not piped");
assertThrows(() => child.stderr, TypeError, "stderr is not piped");
const readable = child.stdout.pipeThrough(new TextDecoderStream());
const reader = readable.getReader();
const res = await reader.read();
assert(!res.done);
assertEquals(res.value, "hello");
const resEnd = await reader.read();
assert(resEnd.done);
assertEquals(resEnd.value, undefined);
reader.releaseLock();
const status = await child.status;
assertEquals(status.success, true);
assertEquals(status.code, 0);
assertEquals(status.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnStderrPiped() {
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"await Deno.stderr.write(new TextEncoder().encode('hello'))",
],
stdout: "null",
});
assertThrows(() => child.stdin, TypeError, "stdin is not piped");
assertThrows(() => child.stdout, TypeError, "stdout is not piped");
const readable = child.stderr.pipeThrough(new TextDecoderStream());
const reader = readable.getReader();
const res = await reader.read();
assert(!res.done);
assertEquals(res.value, "hello");
const resEnd = await reader.read();
assert(resEnd.done);
assertEquals(resEnd.value, undefined);
reader.releaseLock();
const status = await child.status;
assertEquals(status.success, true);
assertEquals(status.code, 0);
assertEquals(status.signal, null);
},
);
Deno.test(
{ permissions: { run: true, write: true, read: true } },
async function spawnRedirectStdoutStderr() {
const tempDir = await Deno.makeTempDir();
const fileName = tempDir + "/redirected_stdio.txt";
const file = await Deno.open(fileName, {
create: true,
write: true,
});
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"Deno.stderr.write(new TextEncoder().encode('error\\n')); Deno.stdout.write(new TextEncoder().encode('output\\n'));",
],
});
await child.stdout.pipeTo(file.writable, {
preventClose: true,
});
await child.stderr.pipeTo(file.writable);
await child.status;
const fileContents = await Deno.readFile(fileName);
const decoder = new TextDecoder();
const text = decoder.decode(fileContents);
assertStringIncludes(text, "error");
assertStringIncludes(text, "output");
},
);
Deno.test(
{ permissions: { run: true, write: true, read: true } },
async function spawnRedirectStdin() {
const tempDir = await Deno.makeTempDir();
const fileName = tempDir + "/redirected_stdio.txt";
const encoder = new TextEncoder();
await Deno.writeFile(fileName, encoder.encode("hello"));
const file = await Deno.open(fileName);
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"if (new TextDecoder().decode(await Deno.readAll(Deno.stdin)) !== 'hello') throw new Error('Expected \\'hello\\'')",
],
stdin: "piped",
stdout: "null",
stderr: "null",
});
await file.readable.pipeTo(child.stdin, {
preventClose: true,
});
await child.stdin.close();
const status = await child.status;
assertEquals(status.code, 0);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnKillSuccess() {
const child = Deno.spawnChild(Deno.execPath(), {
args: ["eval", "setTimeout(() => {}, 10000)"],
stdout: "null",
stderr: "null",
});
child.kill("SIGKILL");
const status = await child.status;
assertEquals(status.success, false);
if (Deno.build.os === "windows") {
assertEquals(status.code, 1);
assertEquals(status.signal, null);
} else {
assertEquals(status.code, 137);
assertEquals(status.signal, "SIGKILL");
}
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnKillFailed() {
const child = Deno.spawnChild(Deno.execPath(), {
args: ["eval", "setTimeout(() => {}, 5000)"],
stdout: "null",
stderr: "null",
});
assertThrows(() => {
// @ts-expect-error testing runtime error of bad signal
child.kill("foobar");
}, TypeError);
await child.status;
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnKillOptional() {
const child = Deno.spawnChild(Deno.execPath(), {
args: ["eval", "setTimeout(() => {}, 10000)"],
stdout: "null",
stderr: "null",
});
child.kill();
const status = await child.status;
assertEquals(status.success, false);
if (Deno.build.os === "windows") {
assertEquals(status.code, 1);
assertEquals(status.signal, null);
} else {
assertEquals(status.code, 143);
assertEquals(status.signal, "SIGTERM");
}
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnAbort() {
const ac = new AbortController();
const child = Deno.spawnChild(Deno.execPath(), {
args: [
"eval",
"setTimeout(console.log, 1e8)",
],
signal: ac.signal,
stdout: "null",
stderr: "null",
});
queueMicrotask(() => ac.abort());
const status = await child.status;
assertEquals(status.success, false);
if (Deno.build.os === "windows") {
assertEquals(status.code, 1);
assertEquals(status.signal, null);
} else {
assertEquals(status.success, false);
assertEquals(status.code, 143);
}
},
);
Deno.test(
{ permissions: { read: true, run: false } },
async function spawnPermissions() {
await assertRejects(async () => {
await Deno.spawn(Deno.execPath(), {
args: ["eval", "console.log('hello world')"],
});
}, Deno.errors.PermissionDenied);
},
);
Deno.test(
{ permissions: { read: true, run: false } },
function spawnSyncPermissions() {
assertThrows(() => {
Deno.spawnSync(Deno.execPath(), {
args: ["eval", "console.log('hello world')"],
});
}, Deno.errors.PermissionDenied);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnSuccess() {
const output = await Deno.spawn(Deno.execPath(), {
args: ["eval", "console.log('hello world')"],
});
assertEquals(output.success, true);
assertEquals(output.code, 0);
assertEquals(output.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncSuccess() {
const output = Deno.spawnSync(Deno.execPath(), {
args: ["eval", "console.log('hello world')"],
});
assertEquals(output.success, true);
assertEquals(output.code, 0);
assertEquals(output.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnUrl() {
const output = await Deno.spawn(
new URL(`file:///${Deno.execPath()}`),
{
args: ["eval", "console.log('hello world')"],
},
);
assertEquals(new TextDecoder().decode(output.stdout), "hello world\n");
assertEquals(output.success, true);
assertEquals(output.code, 0);
assertEquals(output.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncUrl() {
const output = Deno.spawnSync(
new URL(`file:///${Deno.execPath()}`),
{
args: ["eval", "console.log('hello world')"],
},
);
assertEquals(new TextDecoder().decode(output.stdout), "hello world\n");
assertEquals(output.success, true);
assertEquals(output.code, 0);
assertEquals(output.signal, null);
},
);
Deno.test({ permissions: { run: true } }, function spawnNotFound() {
assertThrows(
() => Deno.spawn("this file hopefully doesn't exist"),
Deno.errors.NotFound,
);
});
Deno.test({ permissions: { run: true } }, function spawnSyncNotFound() {
assertThrows(
() => Deno.spawnSync("this file hopefully doesn't exist"),
Deno.errors.NotFound,
);
});
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnFailedWithCode() {
const output = await Deno.spawn(Deno.execPath(), {
args: ["eval", "Deno.exit(41 + 1)"],
});
assertEquals(output.success, false);
assertEquals(output.code, 42);
assertEquals(output.signal, null);
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncFailedWithCode() {
const output = Deno.spawnSync(Deno.execPath(), {
args: ["eval", "Deno.exit(41 + 1)"],
});
assertEquals(output.success, false);
assertEquals(output.code, 42);
assertEquals(output.signal, null);
},
);
Deno.test(
{
permissions: { run: true, read: true },
},
async function spawnFailedWithSignal() {
const output = await Deno.spawn(Deno.execPath(), {
args: ["eval", "--unstable", "Deno.kill(Deno.pid, 'SIGKILL')"],
});
assertEquals(output.success, false);
if (Deno.build.os === "windows") {
assertEquals(output.code, 1);
assertEquals(output.signal, null);
} else {
assertEquals(output.code, 128 + 9);
assertEquals(output.signal, "SIGKILL");
}
},
);
Deno.test(
{
permissions: { run: true, read: true },
},
function spawnSyncFailedWithSignal() {
const output = Deno.spawnSync(Deno.execPath(), {
args: ["eval", "--unstable", "Deno.kill(Deno.pid, 'SIGKILL')"],
});
assertEquals(output.success, false);
if (Deno.build.os === "windows") {
assertEquals(output.code, 1);
assertEquals(output.signal, null);
} else {
assertEquals(output.code, 128 + 9);
assertEquals(output.signal, "SIGKILL");
}
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnOutput() {
const { stdout } = await Deno.spawn(Deno.execPath(), {
args: [
"eval",
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
],
});
const s = new TextDecoder().decode(stdout);
assertEquals(s, "hello");
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncOutput() {
const { stdout } = Deno.spawnSync(Deno.execPath(), {
args: [
"eval",
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
],
});
const s = new TextDecoder().decode(stdout);
assertEquals(s, "hello");
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnStderrOutput() {
const { stderr } = await Deno.spawn(Deno.execPath(), {
args: [
"eval",
"await Deno.stderr.write(new TextEncoder().encode('error'))",
],
});
const s = new TextDecoder().decode(stderr);
assertEquals(s, "error");
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncStderrOutput() {
const { stderr } = Deno.spawnSync(Deno.execPath(), {
args: [
"eval",
"await Deno.stderr.write(new TextEncoder().encode('error'))",
],
});
const s = new TextDecoder().decode(stderr);
assertEquals(s, "error");
},
);
Deno.test(
{ permissions: { run: true, read: true } },
async function spawnEnv() {
const { stdout } = await Deno.spawn(Deno.execPath(), {
args: [
"eval",
"Deno.stdout.write(new TextEncoder().encode(Deno.env.get('FOO') + Deno.env.get('BAR')))",
],
env: {
FOO: "0123",
BAR: "4567",
},
});
const s = new TextDecoder().decode(stdout);
assertEquals(s, "01234567");
},
);
Deno.test(
{ permissions: { run: true, read: true } },
function spawnSyncEnv() {
const { stdout } = Deno.spawnSync(Deno.execPath(), {
args: [
"eval",
"Deno.stdout.write(new TextEncoder().encode(Deno.env.get('FOO') + Deno.env.get('BAR')))",
],
env: {
FOO: "0123",
BAR: "4567",
},
});
const s = new TextDecoder().decode(stdout);
assertEquals(s, "01234567");
},
);
Deno.test(
{ permissions: { run: true, read: true, env: true } },
async function spawnClearEnv() {
const { stdout } = await Deno.spawn(Deno.execPath(), {
args: [
"eval",
"-p",
"JSON.stringify(Deno.env.toObject())",
],
clearEnv: true,
env: {
FOO: "23147",
},
});
const obj = JSON.parse(new TextDecoder().decode(stdout));
// can't check for object equality because the OS may set additional env
// vars for processes, so we check if PATH isn't present as that is a common
// env var across OS's and isn't set for processes.
assertEquals(obj.FOO, "23147");
assert(!("PATH" in obj));
},
);
Deno.test(
{ permissions: { run: true, read: true, env: true } },
function spawnSyncClearEnv() {
const { stdout } = Deno.spawnSync(Deno.execPath(), {
args: [
"eval",
"-p",
"JSON.stringify(Deno.env.toObject())",
],
clearEnv: true,
env: {
FOO: "23147",
},
});
const obj = JSON.parse(new TextDecoder().decode(stdout));
// can't check for object equality because the OS may set additional env
// vars for processes, so we check if PATH isn't present as that is a common
// env var across OS's and isn't set for processes.
assertEquals(obj.FOO, "23147");
assert(!("PATH" in obj));
},
);
Deno.test(
{
permissions: { run: true, read: true },
ignore: Deno.build.os === "windows",
},
async function spawnUid() {
const { stdout } = await Deno.spawn("id", {
args: ["-u"],
});
const currentUid = new TextDecoder().decode(stdout);
if (currentUid !== "0") {
await assertRejects(async () => {
await Deno.spawn("echo", {
args: ["fhqwhgads"],
uid: 0,
});
}, Deno.errors.PermissionDenied);
}
},
);
Deno.test(
{
permissions: { run: true, read: true },
ignore: Deno.build.os === "windows",
},
function spawnSyncUid() {
const { stdout } = Deno.spawnSync("id", {
args: ["-u"],
});
const currentUid = new TextDecoder().decode(stdout);
if (currentUid !== "0") {
assertThrows(() => {
Deno.spawnSync("echo", {
args: ["fhqwhgads"],
uid: 0,
});
}, Deno.errors.PermissionDenied);
}
},
);
Deno.test(
{
permissions: { run: true, read: true },
ignore: Deno.build.os === "windows",
},
async function spawnGid() {
const { stdout } = await Deno.spawn("id", {
args: ["-g"],
});
const currentGid = new TextDecoder().decode(stdout);
if (currentGid !== "0") {
await assertRejects(async () => {
await Deno.spawn("echo", {
args: ["fhqwhgads"],
gid: 0,
});
}, Deno.errors.PermissionDenied);
}
},
);
Deno.test(
{
permissions: { run: true, read: true },
ignore: Deno.build.os === "windows",
},
function spawnSyncGid() {
const { stdout } = Deno.spawnSync("id", {
args: ["-g"],
});
const currentGid = new TextDecoder().decode(stdout);
if (currentGid !== "0") {
assertThrows(() => {
Deno.spawnSync("echo", {
args: ["fhqwhgads"],
gid: 0,
});
}, Deno.errors.PermissionDenied);
}
},
);
Deno.test(function spawnStdinPipedFails() {
assertThrows(
() =>
Deno.spawn("id", {
stdin: "piped",
}),
TypeError,
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
);
});
Deno.test(function spawnSyncStdinPipedFails() {
assertThrows(
() =>
Deno.spawnSync("id", {
stdin: "piped",
}),
TypeError,
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
);
});
Deno.test(
// TODO(bartlomieju): this test became flaky on Windows CI
// raising "PermissionDenied" instead of "NotFound".
{
ignore: Deno.build.os === "windows",
permissions: { write: true, run: true, read: true },
},
async function spawnChildUnref() {
const enc = new TextEncoder();
const cwd = await Deno.makeTempDir({ prefix: "deno_command_test" });
const programFile = "unref.ts";
const program = `
const child = await Deno.spawnChild(Deno.execPath(), {
cwd: Deno.args[0],
stdout: "piped",
args: ["run", "-A", "--unstable", Deno.args[1]],
});
const readable = child.stdout.pipeThrough(new TextDecoderStream());
const reader = readable.getReader();
// set up an interval that will end after reading a few messages from stdout,
// to verify that stdio streams are properly unrefed
let count = 0;
let interval;
interval = setInterval(async () => {
count += 1;
if (count > 10) {
clearInterval(interval);
console.log("cleared interval");
}
const res = await reader.read();
if (res.done) {
throw new Error("stream shouldn't be done");
}
if (res.value.trim() != "hello from interval") {
throw new Error("invalid message received");
}
}, 120);
console.log("spawned pid", child.pid);
child.unref();
`;
const childProgramFile = "unref_child.ts";
const childProgram = `
setInterval(() => {
console.log("hello from interval");
}, 100);
`;
Deno.writeFileSync(`${cwd}/${programFile}`, enc.encode(program));
Deno.writeFileSync(`${cwd}/${childProgramFile}`, enc.encode(childProgram));
// In this subprocess we are spawning another subprocess which has
// an infite interval set. Following call would never resolve unless
// child process gets unrefed.
const { success, stdout, stderr } = await Deno.spawn(Deno.execPath(), {
cwd,
args: ["run", "-A", "--unstable", programFile, cwd, childProgramFile],
});
assert(success);
const stdoutText = new TextDecoder().decode(stdout);
const stderrText = new TextDecoder().decode(stderr);
assert(stderrText.length == 0);
const [line1, line2] = stdoutText.split("\n");
const pidStr = line1.split(" ").at(-1);
assert(pidStr);
assertEquals(line2, "cleared interval");
const pid = Number.parseInt(pidStr, 10);
await Deno.remove(cwd, { recursive: true });
// Child process should have been killed when parent process exits.
assertThrows(() => {
Deno.kill(pid, "SIGTERM");
}, Deno.errors.NotFound);
},
);
Deno.test(
{ ignore: Deno.build.os !== "windows" },
async function spawnWindowsRawArguments() {
let { success, stdout } = await Deno.spawn("cmd", {
args: ["/d", "/s", "/c", '"deno ^"--version^""'],
windowsRawArguments: true,
});
assert(success);
let stdoutText = new TextDecoder().decode(stdout);
assertStringIncludes(stdoutText, "deno");
assertStringIncludes(stdoutText, "v8");
assertStringIncludes(stdoutText, "typescript");
({ success, stdout } = Deno.spawnSync("cmd", {
args: ["/d", "/s", "/c", '"deno ^"--version^""'],
windowsRawArguments: true,
}));
assert(success);
stdoutText = new TextDecoder().decode(stdout);
assertStringIncludes(stdoutText, "deno");
assertStringIncludes(stdoutText, "v8");
assertStringIncludes(stdoutText, "typescript");
},
);
Deno.test(
{ permissions: { read: true, run: true } },
async function spawnWithPromisePrototypeThenOverride() {
const originalThen = Promise.prototype.then;
try {
Promise.prototype.then = () => {
throw new Error();
};
await Deno.spawn(Deno.execPath(), {
args: ["eval", "console.log('hello world')"],
});
} finally {
Promise.prototype.then = originalThen;
}
},
);

View file

@ -1468,170 +1468,6 @@ declare namespace Deno {
windowsRawArguments?: boolean;
}
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* Spawns a child process.
*
* If any stdio options are not set to `"piped"`, accessing the corresponding
* field on the `Child` or its `SpawnOutput` will throw a `TypeError`.
*
* If `stdin` is set to `"piped"`, the `stdin` {@linkcode WritableStream}
* needs to be closed manually.
*
* ```ts
* const child = Deno.spawnChild(Deno.execPath(), {
* args: [
* "eval",
* "console.log('Hello World')",
* ],
* stdin: "piped",
* });
*
* // open a file and pipe the subprocess output to it.
* child.stdout.pipeTo(Deno.openSync("output").writable);
*
* // manually close stdin
* child.stdin.close();
* const status = await child.status;
* ```
*
* @category Sub Process
*/
export function spawnChild(
command: string | URL,
options?: SpawnOptions,
): Child;
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* The interface for handling a child process returned from
* {@linkcode Deno.spawnChild}.
*
* @category Sub Process
*/
export class Child {
get stdin(): WritableStream<Uint8Array>;
get stdout(): ReadableStream<Uint8Array>;
get stderr(): ReadableStream<Uint8Array>;
readonly pid: number;
/** Get the status of the child. */
readonly status: Promise<ChildStatus>;
/** Waits for the child to exit completely, returning all its output and
* status. */
output(): Promise<SpawnOutput>;
/** Kills the process with given {@linkcode Deno.Signal}. Defaults to
* `"SIGTERM"`. */
kill(signo?: Signal): void;
/** Ensure that the status of the child process prevents the Deno process
* from exiting. */
ref(): void;
/** Ensure that the status of the child process does not block the Deno
* process from exiting. */
unref(): void;
}
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* Executes a subprocess, waiting for it to finish and collecting all of its
* output.
*
* Will throw an error if `stdin: "piped"` is passed.
*
* If options `stdout` or `stderr` are not set to `"piped"`, accessing the
* corresponding field on `SpawnOutput` will throw a `TypeError`.
*
* ```ts
* const { code, stdout, stderr } = await Deno.spawn(Deno.execPath(), {
* args: [
* "eval",
* "console.log('hello'); console.error('world')",
* ],
* });
* console.assert(code === 0);
* console.assert("hello\n" === new TextDecoder().decode(stdout));
* console.assert("world\n" === new TextDecoder().decode(stderr));
* ```
*
* @category Sub Process
*/
export function spawn(
command: string | URL,
options?: SpawnOptions,
): Promise<SpawnOutput>;
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* Synchronously executes a subprocess, waiting for it to finish and
* collecting all of its output.
*
* Will throw an error if `stdin: "piped"` is passed.
*
* If options `stdout` or `stderr` are not set to `"piped"`, accessing the
* corresponding field on `SpawnOutput` will throw a `TypeError`.
*
* ```ts
* const { code, stdout, stderr } = Deno.spawnSync(Deno.execPath(), {
* args: [
* "eval",
* "console.log('hello'); console.error('world')",
* ],
* });
* console.assert(code === 0);
* console.assert("hello\n" === new TextDecoder().decode(stdout));
* console.assert("world\n" === new TextDecoder().decode(stderr));
* ```
*
* @category Sub Process
*/
export function spawnSync(
command: string | URL,
options?: SpawnOptions,
): SpawnOutput;
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* @category Sub Process
*/
export interface ChildStatus {
/** If the child process exits with a 0 status code, `success` will be set
* to `true`, otherwise `false`. */
success: boolean;
/** The exit code of the child process. */
code: number;
/** The signal associated with the child process, present if
* {@linkcode Deno.spawn} was called. */
signal: Signal | null;
}
/** **UNSTABLE**: New API, yet to be vetted.
*
* @deprecated Use the Deno.Command API instead.
*
* The interface returned from calling {@linkcode Deno.spawn} or
* {@linkcode Deno.spawnSync} which represents the result of spawning the
* child process.
*
* @category Sub Process
*/
export interface SpawnOutput extends ChildStatus {
/** The buffered output from the child processes `stdout`. */
readonly stdout: Uint8Array;
/** The buffered output from the child processes `stderr`. */
readonly stderr: Uint8Array;
}
/** **UNSTABLE**: New API, yet to be vetted.
*
* Create a child process.

View file

@ -60,7 +60,7 @@
function createSpawnChild(opFn) {
return function spawnChild(command, options = {}) {
return spawnChildInner(opFn, command, "Deno.spawnChild()", options);
return spawnChildInner(opFn, command, "Deno.Command().spawn()", options);
};
}
@ -219,10 +219,11 @@
return function spawn(command, options) {
if (options?.stdin === "piped") {
throw new TypeError(
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
"Piped stdin is not supported for this function, use 'Deno.Command().spawn()' instead",
);
}
return spawnChildInner(opFn, command, "Deno.spawn()", options).output();
return spawnChildInner(opFn, command, "Deno.Command().output()", options)
.output();
};
}
@ -241,7 +242,7 @@
} = {}) {
if (stdin === "piped") {
throw new TypeError(
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
"Piped stdin is not supported for this function, use 'Deno.Command().spawn()' instead",
);
}
const result = opFn({

View file

@ -466,12 +466,14 @@ delete Intl.v8BreakIterator;
// a snapshot
ObjectAssign(internals, {
nodeUnstable: {
spawnChild: __bootstrap.spawn.createSpawnChild(
Command: __bootstrap.spawn.createCommand(
__bootstrap.spawn.createSpawn(ops.op_node_unstable_spawn_child),
__bootstrap.spawn.createSpawnSync(
ops.op_node_unstable_spawn_sync,
),
__bootstrap.spawn.createSpawnChild(
ops.op_node_unstable_spawn_child,
),
spawn: __bootstrap.spawn.createSpawn(ops.op_node_unstable_spawn_child),
spawnSync: __bootstrap.spawn.createSpawnSync(
ops.op_node_unstable_spawn_sync,
),
serve: __bootstrap.flash.createServe(ops.op_node_unstable_flash_serve),
upgradeHttpRaw: __bootstrap.flash.upgradeHttpRaw,
@ -482,14 +484,6 @@ delete Intl.v8BreakIterator;
},
});
ObjectAssign(internals.nodeUnstable, {
Command: __bootstrap.spawn.createCommand(
internals.nodeUnstable.spawn,
internals.nodeUnstable.spawnSync,
internals.nodeUnstable.spawnChild,
),
});
const finalDenoNs = {
core,
internal: internalSymbol,
@ -512,23 +506,17 @@ delete Intl.v8BreakIterator;
// the op function that needs to be passed will be invalidated by creating
// a snapshot
ObjectAssign(finalDenoNs, {
spawnChild: __bootstrap.spawn.createSpawnChild(ops.op_spawn_child),
spawn: __bootstrap.spawn.createSpawn(ops.op_spawn_child),
spawnSync: __bootstrap.spawn.createSpawnSync(ops.op_spawn_sync),
Command: __bootstrap.spawn.createCommand(
__bootstrap.spawn.createSpawn(ops.op_spawn_child),
__bootstrap.spawn.createSpawnSync(ops.op_spawn_sync),
__bootstrap.spawn.createSpawnChild(ops.op_spawn_child),
),
serve: __bootstrap.flash.createServe(ops.op_flash_serve),
listenDatagram: __bootstrap.net.createListenDatagram(
ops.op_net_listen_udp,
ops.op_net_listen_unixpacket,
),
});
ObjectAssign(finalDenoNs, {
Command: __bootstrap.spawn.createCommand(
finalDenoNs.spawn,
finalDenoNs.spawnSync,
finalDenoNs.spawnChild,
),
});
}
// Setup `Deno` global - we're actually overriding already existing global
@ -617,12 +605,14 @@ delete Intl.v8BreakIterator;
// a snapshot
ObjectAssign(internals, {
nodeUnstable: {
spawnChild: __bootstrap.spawn.createSpawnChild(
Command: __bootstrap.spawn.createCommand(
__bootstrap.spawn.createSpawn(ops.op_node_unstable_spawn_child),
__bootstrap.spawn.createSpawnSync(
ops.op_node_unstable_spawn_sync,
),
__bootstrap.spawn.createSpawnChild(
ops.op_node_unstable_spawn_child,
),
spawn: __bootstrap.spawn.createSpawn(ops.op_node_unstable_spawn_child),
spawnSync: __bootstrap.spawn.createSpawnSync(
ops.op_node_unstable_spawn_sync,
),
serve: __bootstrap.flash.createServe(ops.op_node_unstable_flash_serve),
upgradeHttpRaw: __bootstrap.flash.upgradeHttpRaw,
@ -633,14 +623,6 @@ delete Intl.v8BreakIterator;
},
});
ObjectAssign(internals.nodeUnstable, {
Command: __bootstrap.spawn.createCommand(
internals.nodeUnstable.spawn,
internals.nodeUnstable.spawnSync,
internals.nodeUnstable.spawnChild,
),
});
const finalDenoNs = {
core,
internal: internalSymbol,
@ -655,22 +637,17 @@ delete Intl.v8BreakIterator;
// the op function that needs to be passed will be invalidated by creating
// a snapshot
ObjectAssign(finalDenoNs, {
spawnChild: __bootstrap.spawn.createSpawnChild(ops.op_spawn_child),
spawn: __bootstrap.spawn.createSpawn(ops.op_spawn_child),
spawnSync: __bootstrap.spawn.createSpawnSync(ops.op_spawn_sync),
Command: __bootstrap.spawn.createCommand(
__bootstrap.spawn.createSpawn(ops.op_spawn_child),
__bootstrap.spawn.createSpawnSync(ops.op_spawn_sync),
__bootstrap.spawn.createSpawnChild(ops.op_spawn_child),
),
serve: __bootstrap.flash.createServe(ops.op_flash_serve),
listenDatagram: __bootstrap.net.createListenDatagram(
ops.op_net_listen_udp,
ops.op_net_listen_unixpacket,
),
});
ObjectAssign(finalDenoNs, {
Command: __bootstrap.spawn.createCommand(
finalDenoNs.spawn,
finalDenoNs.spawnSync,
finalDenoNs.spawnChild,
),
});
}
ObjectDefineProperties(finalDenoNs, {
pid: util.readOnly(runtimeOptions.pid),

View file

@ -350,7 +350,8 @@ fn op_spawn_sync(
) -> Result<SpawnOutput, AnyError> {
let stdout = matches!(args.stdio.stdout, Stdio::Piped);
let stderr = matches!(args.stdio.stderr, Stdio::Piped);
let output = create_command(state, args, "Deno.spawnSync()")?.output()?;
let output =
create_command(state, args, "Deno.Command().outputSync()")?.output()?;
Ok(SpawnOutput {
status: output.status.try_into()?,
@ -375,7 +376,8 @@ fn op_node_unstable_spawn_sync(
let stdout = matches!(args.stdio.stdout, Stdio::Piped);
let stderr = matches!(args.stdio.stderr, Stdio::Piped);
let output =
node_unstable_create_command(state, args, "Deno.spawnSync()")?.output()?;
node_unstable_create_command(state, args, "Deno.Command().outputSync()")?
.output()?;
Ok(SpawnOutput {
status: output.status.try_into()?,