This uses libuv's mkdtemp function to provide a way to create a
temporary folder, using a prefix as the path. The prefix is appended
six random characters. The callback function will receive the name
of the folder that was created.
Usage example:
fs.mkdtemp('/tmp/foo-', function(err, folder) {
console.log(folder);
// Prints: /tmp/foo-Tedi42
});
The fs.mkdtempSync version is also provided. Usage example:
console.log(fs.mkdtemp('/tmp/foo-'));
// Prints: tmp/foo-Tedi42
This pull request also includes the relevant documentation changes
and tests.
PR-URL: https://github.com/nodejs/node/pull/5333
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Several changes:
* Soft-Deprecate Buffer() constructors
* Add `Buffer.from()`, `Buffer.alloc()`, and `Buffer.allocUnsafe()`
* Add `--zero-fill-buffers` command line option
* Add byteOffset and length to `new Buffer(arrayBuffer)` constructor
* buffer.fill('') previously had no effect, now zero-fills
* Update the docs
PR-URL: https://github.com/nodejs/node/pull/4682
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Flags on fs.open and others can be passed as strings or int.
Previously, if passing anything other than string or int,
the error message would only say that flags must be an int.
PR-URL: https://github.com/nodejs/node/pull/5590
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
This is needed to give users a grace period before actually breaking
modules that re-evaluate fs sources from context where internal modules
are not allowed, e.g. older version of graceful-fs module.
To be reverted in Node.js 7.0
Fixes: #5097, see also #1898, #2026, and #4525.
PR-URL: https://github.com/nodejs/node/pull/5102
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
`fs.read` supports a deprecated string interface version, which is
not documented. It was intended to be deprecated in this commit in 2010
c93e0aaf06
This patch issues a deprecation message saying the usage of this
interface is deprecated.
PR-URL: https://github.com/nodejs/node/pull/4525
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Two variables are declared twice with `var` in the same scope in
`lib/fs.js`. This change refactors the code so the variable is declared
just once.
PR-URL: https://github.com/nodejs/node/pull/4959
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
In a few places the code was refactored to use `maybeCallback` which
always returns a function. Checking for `if (callback)` always returns
true anyway.
PR-URL: https://github.com/nodejs/node/pull/4795
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: thefourtheye <thechargingvolcano@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
With an indentation style of two spaces, it is not possible to indent
multiline variable declarations by four spaces. Instead, the var keyword
is used on every new line.
Use const instead of var where applicable for changed lines.
PR-URL: https://github.com/nodejs/io.js/pull/2286
Reviewed-By: Roman Reiss <me@silverwind.io>
fs.statSync() creates and returns a heavy-weight fs.Stat object whereas
fs.accessSync() simply returns nothing. The return value is ignored,
the call is for its side effect of throwing an ELOOP error in case of
cyclic symbolic links.
PR-URL: https://github.com/nodejs/node/pull/4575
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Add support to fs.createWriteStream and fs.createWriteStream for an autoClose
option that behaves similarly to the autoClose option supported by
fs.createReadStream and fs.ReadStream.
When an instance of fs.createWriteStream created with autoClose === false finishes,
it is not destroyed. Its underlying fd is not closed and it is the
responsibility of the user to close it.
PR-URL: https://github.com/nodejs/node/pull/3679
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
use `arrow functions` instead of `bind(this)` in order to improve
performance through optimizations.
PR-URL: https://github.com/nodejs/node/pull/3622
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
This commit ensures that readFile() callsback with a null
error consistently on success.
PR-URL: https://github.com/nodejs/node/pull/3740
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
This commit fixes some error messages that are not consistent with
some general rules which most of the error messages follow.
PR-URL: https://github.com/nodejs/node/pull/3374
Reviewed-By: Roman Reiss <me@silverwind.io>
If the resulting buffer.toString() call in fs.read throws, catch the
error and pass it back in the callback.
This issue only presents itself when fs.read is called using the legacy
string interface:
fs.read(fd, length, position, encoding, callback)
PR-URL: https://github.com/nodejs/node/pull/3503
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
These changes affect the following functions and their synchronous
counterparts:
* fs.readFile()
* fs.writeFile()
* fs.appendFile()
If the first parameter is a uint32, it is treated as a file descriptor.
In all other cases, the original implementation is used to ensure
backwards compatibility. File descriptor ownership is never taken from
the user.
The documentation was adjusted to reflect these API changes. A note was
added to make the user aware of file descriptor ownership and the
conditions under which a file descriptor can be used by each of these
functions.
Tests were extended to test for file descriptor parameters under the
conditions noted in the relevant documentation.
PR-URL: https://github.com/nodejs/node/pull/3163
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
The `events` module already exports `EventEmitter` constructor function
So, we don't have to use `events.EventEmitter` to access it.
Refer: https://github.com/nodejs/node/pull/2896
PR-URL: https://github.com/nodejs/node/pull/2921
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
Streams with writev allow many buffers to be pushed to underlying OS
APIs in one batch, in this case improving write throughput by an order
of magnitude. This is especially noticeable when writing many (small)
buffers.
PR-URL: https://github.com/nodejs/node/pull/2167
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
As per the discussion in #734, this patch deprecates the usage of
`EventEmitter.listenerCount` static function in the docs, and introduces
the `listenerCount` function in the prototype of `EventEmitter` itself.
PR-URL: https://github.com/nodejs/node/pull/2349
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>
Starting in V8 v4.3 the maximum array index of a typed array is the same
as the largest Smi supported on a given architecture. To compensate for
these differences export kMaxLength from the buffer module with the
correct size for the given architecture.
PR-URL: https://github.com/nodejs/io.js/pull/2003
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>
When the listener was truthy but NOT a function, fs.watchFile would
throw an error through the EventEmitter. This caused a problem because
it would only be thrown after the listener was started, which left the
listener on.
There should be no backwards compatability issues because the error was
always thrown, just in a different manner.
Also adds tests for this and other basic functionality.
PR-URL: https://github.com/nodejs/io.js/pull/2093
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Make SyncWriteStream non-enumerable since it's only for internal use.
PR-URL: https://github.com/nodejs/io.js/pull/1870
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
1. Remove a few unnecessary variables to reduce LoC.
2. Remove redundant `var` definitions of variables in same function.
3. Refactor variables which are defined inside a block and used outside
as well.
4. Refactor effect-less code.
5. In `rethrow` function, instead of assigning to `err` and throwing
`err` directly throw `backtrace` object.
6. Reassign a defined parameter while also mentioning arguments in the
body is one of the optimization killers. So, changing `callback` to
`callback_` and declaring a new variable called `callback` in the body.
PR-URL: https://github.com/nodejs/io.js/pull/1870
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Remove `inStatWatchers` function and make `statWatchers` a `Map`.
PR-URL: https://github.com/nodejs/io.js/pull/1870
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
`nullCheckCallNT()` function is not necessary, as we can directly pass
`callback` and `er` to `process.nextTick()`.
PR-URL: https://github.com/nodejs/io.js/pull/1870
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
1. Change "Bad arguments" error messages to a more helpful message
"options should either be an object or a string".
2. Make braces consistent.
3. Return meaningful error message from fs_event_wrap's
FSEvent's Start function.
PR-URL: https://github.com/nodejs/io.js/pull/1870
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Add string encoding option for fs.createReadStream and
fs.createWriteStream. and check argument type more strictly
PR-URL: https://github.com/nodejs/io.js/pull/1845
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
It makes no sense to allow people use constants from
`smalloc`, since it will be removed completely eventually.
PR-URL: https://github.com/nodejs/io.js/pull/1822
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
This commit better handles calls to process.binding() in lib/ by
no longer lazy loading the bindings (the load times themselves are
rather miniscule compared to the load time of V8) and never reloading
the bindings (which is 172 times slower than referencing a variable with
the same value).
PR-URL: https://github.com/iojs/io.js/pull/1367
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
1. writeFileSync bumps position incorrectly, causing it to drift in
iteration three and onwards.
2. Append mode files will get corrupted in the middle if writeFile or
writeFileSync iterates multiple times, unless running on Linux. position
starts out as null so first write is OK, but then position will refer to
a location inside an existing file, corrupting that data. Linux ignores
position for append mode files so it doesn't happen there.
This commit fixes these two related issues by bumping position correctly
and by always using null as the position argument to write/writeSync for
append mode files.
PR-URL: https://github.com/iojs/io.js/pull/1063
Reviewed-By: Bert Belder <bertbelder@gmail.com>
Not including `new` adds a useless frame and removes a potentially
useful frame.
PR-URL: https://github.com/iojs/io.js/pull/1246
Reviewed-By: Petka Antonov <petka_antonov@hotmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
Using st_size to read non-regular files can lead to not reading all the
data.
PR-URL: https://github.com/iojs/io.js/pull/1074
Reviewed-By: Bert Belder <bertbelder@gmail.com>
This commit adds proper type checking to makeCallback(). Anything
other than undefined or a function will throw.
PR-URL: https://github.com/iojs/io.js/pull/866
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Vladimir Kurchatkin <vladimir.kurchatkin@gmail.com>
Currently, fs.truncate() silently fails when a file descriptor
is passed as the first argument. This commit changes this
behavior to properly call fs.ftruncate().
PR-URL: https://github.com/joyent/node/pull/9161
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Timothy J Fontaine <tjfontaine@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Conflicts:
lib/fs.js
Currently, nullCheck() will attempt to invoke any truthy value
as a function if the path argument contains a null character.
This commit validates that the callback is actually a function
before trying to invoke it. fs.access() was vulnerable to this
bug, as nullCheck() was called prior to type checking its
callback.
PR-URL: https://github.com/iojs/io.js/pull/887
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
This commit improves `readFile` performance by
reducing number of closure allocations and using
`FSReqWrap` directly.
PR-URL: https://github.com/iojs/io.js/pull/718
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
