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https://github.com/denoland/deno
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feat: Deno.FsFile.dataSync()
and Deno.FsFile.dataSyncSync()
(#22019)
This change: 1. Implements `Deno.FsFile.dataSync()` and `Deno.FsFile.dataSyncSync()`. 2. Deprecates `Deno.fdatasync()` and `Deno.fdatasyncSync()` for removal in Deno v2, in favour of the above corresponding methods. 3. Replaces use of `Deno.fdatasync()` and `Deno.fdatasyncSync()` with the above instance methods. Related #21995
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947ce41e99
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@ -94,7 +94,7 @@ const OP_DETAILS = {
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"op_net_send_udp": ["send a datagram message via UDP", "awaiting the result of `Deno.DatagramConn#send` call"],
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"op_net_send_unixpacket": ["send a datagram message via Unixpacket", "awaiting the result of `Deno.DatagramConn#send` call"],
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"op_dns_resolve": ["resolve a DNS name", "awaiting the result of a `Deno.resolveDns` call"],
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"op_fdatasync_async": ["flush pending data operations for a file to disk", "awaiting the result of a `Deno.fdatasync` call"],
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"op_fdatasync_async": ["flush pending data operations for a file to disk", "awaiting the result of a `file.fdatasync` call"],
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"op_fetch_send": ["send a HTTP request", "awaiting the result of a `fetch` call"],
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"op_ffi_call_nonblocking": ["do a non blocking ffi call", "awaiting the returned promise"],
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"op_ffi_call_ptr_nonblocking": ["do a non blocking ffi call", "awaiting the returned promise"],
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@ -824,3 +824,39 @@ Deno.test(
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// calling [Symbol.dispose] after manual close is a no-op
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},
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);
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Deno.test(
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{ permissions: { read: true, write: true } },
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function fsFileDatasyncSyncSuccess() {
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const filename = Deno.makeTempDirSync() + "/test_fdatasyncSync.txt";
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const file = Deno.openSync(filename, {
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read: true,
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write: true,
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create: true,
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});
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const data = new Uint8Array(64);
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file.writeSync(data);
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file.dataSyncSync();
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assertEquals(Deno.readFileSync(filename), data);
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file.close();
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Deno.removeSync(filename);
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},
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);
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Deno.test(
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{ permissions: { read: true, write: true } },
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async function fsFileDatasyncSuccess() {
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const filename = (await Deno.makeTempDir()) + "/test_fdatasync.txt";
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const file = await Deno.open(filename, {
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read: true,
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write: true,
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create: true,
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});
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const data = new Uint8Array(64);
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await file.write(data);
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await file.dataSync();
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assertEquals(await Deno.readFile(filename), data);
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file.close();
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await Deno.remove(filename);
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},
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);
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@ -19,7 +19,7 @@ Deno.test(
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const atime = 1000;
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const mtime = 50000;
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await Deno.futime(file.rid, atime, mtime);
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await Deno.fdatasync(file.rid);
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await file.dataSync();
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const fileInfo = Deno.statSync(filename);
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assertEquals(fileInfo.atime, new Date(atime * 1000));
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@ -40,7 +40,7 @@ Deno.test(
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const atime = 1000;
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const mtime = 50000;
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Deno.futimeSync(file.rid, atime, mtime);
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Deno.fdatasyncSync(file.rid);
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file.dataSyncSync();
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const fileInfo = Deno.statSync(filename);
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assertEquals(fileInfo.atime, new Date(atime * 1000));
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38
cli/tsc/dts/lib.deno.ns.d.ts
vendored
38
cli/tsc/dts/lib.deno.ns.d.ts
vendored
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@ -2203,6 +2203,9 @@ declare namespace Deno {
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* console.log(await Deno.readTextFile("my_file.txt")); // Hello World
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* ```
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*
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* @deprecated Use {@linkcode Deno.FsFile.dataSync} instead.
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* {@linkcode Deno.fdatasync} will be removed in v2.0.0.
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*
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* @category I/O
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*/
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export function fdatasync(rid: number): Promise<void>;
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@ -2221,6 +2224,9 @@ declare namespace Deno {
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* console.log(Deno.readTextFileSync("my_file.txt")); // Hello World
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* ```
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*
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* @deprecated Use {@linkcode Deno.FsFile.dataSyncSync} instead.
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* {@linkcode Deno.fdatasyncSync} will be removed in v2.0.0.
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*
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* @category I/O
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*/
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export function fdatasyncSync(rid: number): void;
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@ -2524,6 +2530,38 @@ declare namespace Deno {
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* ```
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*/
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statSync(): FileInfo;
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/**
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* Flushes any pending data operations of the given file stream to disk.
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* ```ts
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* using file = await Deno.open(
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* "my_file.txt",
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* { read: true, write: true, create: true },
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* );
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* await file.write(new TextEncoder().encode("Hello World"));
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* await file.dataSync();
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* console.log(await Deno.readTextFile("my_file.txt")); // Hello World
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* ```
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*
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* @category I/O
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*/
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dataSync(): Promise<void>;
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/**
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* Synchronously flushes any pending data operations of the given file stream
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* to disk.
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*
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* ```ts
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* using file = Deno.openSync(
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* "my_file.txt",
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* { read: true, write: true, create: true },
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* );
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* file.writeSync(new TextEncoder().encode("Hello World"));
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* file.dataSyncSync();
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* console.log(Deno.readTextFileSync("my_file.txt")); // Hello World
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* ```
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*
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* @category I/O
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*/
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dataSyncSync(): void;
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/** Close the file. Closing a file when you are finished with it is
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* important to avoid leaking resources.
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*
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@ -1,6 +1,6 @@
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { core, primordials } from "ext:core/mod.js";
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import { core, internals, primordials } from "ext:core/mod.js";
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const {
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isDate,
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} = core;
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@ -558,10 +558,20 @@ async function symlink(
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}
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function fdatasyncSync(rid) {
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internals.warnOnDeprecatedApi(
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"Deno.fdatasyncSync()",
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new Error().stack,
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"Use `file.dataSyncSync()` instead.",
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);
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op_fs_fdatasync_sync(rid);
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}
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async function fdatasync(rid) {
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internals.warnOnDeprecatedApi(
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"Deno.fdatasync()",
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new Error().stack,
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"Use `await file.dataSync()` instead.",
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);
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await op_fs_fdatasync_async(rid);
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}
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@ -703,6 +713,14 @@ class FsFile {
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return fstatSync(this.rid);
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}
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async dataSync() {
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await op_fs_fdatasync_async(this.rid);
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}
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dataSyncSync() {
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op_fs_fdatasync_sync(this.rid);
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}
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close() {
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core.close(this.rid);
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}
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@ -4,14 +4,15 @@
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// deno-lint-ignore-file prefer-primordials
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import { CallbackWithError } from "ext:deno_node/_fs/_fs_common.ts";
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import { FsFile } from "ext:deno_fs/30_fs.js";
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export function fdatasync(
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fd: number,
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callback: CallbackWithError,
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) {
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Deno.fdatasync(fd).then(() => callback(null), callback);
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new FsFile(fd).dataSync().then(() => callback(null), callback);
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}
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export function fdatasyncSync(fd: number) {
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Deno.fdatasyncSync(fd);
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new FsFile(fd).dataSyncSync();
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}
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