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The [UNIX command](<http://en.wikipedia.org/wiki/Rm_(Unix)>) `rm -rf` for node
in a cross-platform implementation.
Install with `npm install rimraf`.
## Major Changes
### v4 to v5
- There is no default export anymore. Import the functions directly
using, e.g., `import { rimrafSync } from 'rimraf'`.
### v3 to v4
- The function returns a `Promise` instead of taking a callback.
- Globbing requires the `--glob` CLI option or `glob` option property
to be set. (Removed in 4.0 and 4.1, opt-in support added in 4.2.)
- Functions take arrays of paths, as well as a single path.
- Native implementation used by default when available, except on
Windows, where this implementation is faster and more reliable.
- New implementation on Windows, falling back to "move then
remove" strategy when exponential backoff for `EBUSY` fails to
resolve the situation.
- Simplified implementation on POSIX, since the Windows
affordances are not necessary there.
- As of 4.3, return/resolve value is boolean instead of undefined.
## API
Hybrid module, load either with `import` or `require()`.
```js
// 'rimraf' export is the one you probably want, but other
// strategies exported as well.
import { rimraf, rimrafSync, native, nativeSync } from 'rimraf'
// or
const { rimraf, rimrafSync, native, nativeSync } = require('rimraf')
```
All removal functions return a boolean indicating that all
entries were successfully removed.
The only case in which this will not return `true` is if
something was omitted from the removal via a `filter` option.
### `rimraf(f, [opts]) -> Promise`
This first parameter is a path or array of paths. The second
argument is an options object.
Options:
- `preserveRoot`: If set to boolean `false`, then allow the
recursive removal of the root directory. Otherwise, this is
not allowed.
- `tmp`: Windows only. Temp folder to place files and
folders for the "move then remove" fallback. Must be on the
same physical device as the path being deleted. Defaults to
`os.tmpdir()` when that is on the same drive letter as the path
being deleted, or `${drive}:\temp` if present, or `${drive}:\`
if not.
- `maxRetries`: Windows and Native only. Maximum number of
retry attempts in case of `EBUSY`, `EMFILE`, and `ENFILE`
errors. Default `10` for Windows implementation, `0` for Native
implementation.
- `backoff`: Windows only. Rate of exponential backoff for async
removal in case of `EBUSY`, `EMFILE`, and `ENFILE` errors.
Should be a number greater than 1. Default `1.2`
- `maxBackoff`: Windows only. Maximum total backoff time in ms to
attempt asynchronous retries in case of `EBUSY`, `EMFILE`, and
`ENFILE` errors. Default `200`. With the default `1.2` backoff
rate, this results in 14 retries, with the final retry being
delayed 33ms.
- `retryDelay`: Native only. Time to wait between retries, using
linear backoff. Default `100`.
- `signal` Pass in an AbortSignal to cancel the directory
removal. This is useful when removing large folder structures,
if you'd like to limit the time spent.
Using a `signal` option prevents the use of Node's built-in
`fs.rm` because that implementation does not support abort
signals.
- `glob` Boolean flag to treat path as glob pattern, or an object
specifying [`glob` options](https://github.com/isaacs/node-glob).
- `filter` Method that returns a boolean indicating whether that
path should be deleted. With async `rimraf` methods, this may
return a Promise that resolves to a boolean. (Since Promises
are truthy, returning a Promise from a sync filter is the same
as just not filtering anything.)
The first argument to the filter is the path string. The
second argument is either a `Dirent` or `Stats` object for that
path. (The first path explored will be a `Stats`, the rest
will be `Dirent`.)
If a filter method is provided, it will _only_ remove entries
if the filter returns (or resolves to) a truthy value. Omitting
a directory will still allow its children to be removed, unless
they are also filtered out, but any parents of a filtered entry
will not be removed, since the directory will not be empty in
that case.
Using a filter method prevents the use of Node's built-in
`fs.rm` because that implementation does not support filtering.
Any other options are provided to the native Node.js `fs.rm` implementation
when that is used.
This will attempt to choose the best implementation, based on the Node.js
version and `process.platform`. To force a specific implementation, use
one of the other functions provided.
### `rimraf.sync(f, [opts])` <br> `rimraf.rimrafSync(f, [opts])`
Synchronous form of `rimraf()`
Note that, unlike many file system operations, the synchronous form will
typically be significantly _slower_ than the async form, because recursive
deletion is extremely parallelizable.
### `rimraf.native(f, [opts])`
Uses the built-in `fs.rm` implementation that Node.js provides. This is
used by default on Node.js versions greater than or equal to `14.14.0`.
### `rimraf.native.sync(f, [opts])` <br> `rimraf.nativeSync(f, [opts])`
Synchronous form of `rimraf.native`
### `rimraf.manual(f, [opts])`
Use the JavaScript implementation appropriate for your operating system.
### `rimraf.manual.sync(f, [opts])` <br> `rimraf.manualSync(f, opts)`
Synchronous form of `rimraf.manual()`
### `rimraf.windows(f, [opts])`
JavaScript implementation of file removal appropriate for Windows
platforms. Works around `unlink` and `rmdir` not being atomic
operations, and `EPERM` when deleting files with certain
permission modes.
First deletes all non-directory files within the tree, and then
removes all directories, which should ideally be empty by that
time. When an `ENOTEMPTY` is raised in the second pass, falls
back to the `rimraf.moveRemove` strategy as needed.
### `rimraf.windows.sync(path, [opts])` <br> `rimraf.windowsSync(path, [opts])`
Synchronous form of `rimraf.windows()`
### `rimraf.moveRemove(path, [opts])`
Moves all files and folders to the parent directory of `path`
with a temporary filename prior to attempting to remove them.
Note that, in cases where the operation fails, this _may_ leave
files lying around in the parent directory with names like
`.file-basename.txt.0.123412341`. Until the Windows kernel
provides a way to perform atomic `unlink` and `rmdir` operations,
this is, unfortunately, unavoidable.
To move files to a different temporary directory other than the
parent, provide `opts.tmp`. Note that this _must_ be on the same
physical device as the folder being deleted, or else the
operation will fail.
This is the slowest strategy, but most reliable on Windows
platforms. Used as a last-ditch fallback by `rimraf.windows()`.
### `rimraf.moveRemove.sync(path, [opts])` <br> `rimraf.moveRemoveSync(path, [opts])`
Synchronous form of `rimraf.moveRemove()`
### Command Line Interface
```
rimraf version 4.3.0
Usage: rimraf <path> [<path> ...]
Deletes all files and folders at "path", recursively.
Options:
-- Treat all subsequent arguments as paths
-h --help Display this usage info
--preserve-root Do not remove '/' recursively (default)
--no-preserve-root Do not treat '/' specially
-G --no-glob Treat arguments as literal paths, not globs (default)
-g --glob Treat arguments as glob patterns
-v --verbose Be verbose when deleting files, showing them as
they are removed. Not compatible with --impl=native
-V --no-verbose Be silent when deleting files, showing nothing as
they are removed (default)
-i --interactive Ask for confirmation before deleting anything
Not compatible with --impl=native
-I --no-interactive Do not ask for confirmation before deleting
--impl=<type> Specify the implementation to use:
rimraf: choose the best option (default)
native: the built-in implementation in Node.js
manual: the platform-specific JS implementation
posix: the Posix JS implementation
windows: the Windows JS implementation (falls back to
move-remove on ENOTEMPTY)
move-remove: a slow reliable Windows fallback
Implementation-specific options:
--tmp=<path> Temp file folder for 'move-remove' implementation
--max-retries=<n> maxRetries for 'native' and 'windows' implementations
--retry-delay=<n> retryDelay for 'native' implementation, default 100
--backoff=<n> Exponential backoff factor for retries (default: 1.2)
```
## mkdirp
If you need to _create_ a directory recursively, check out
[mkdirp](https://github.com/isaacs/node-mkdirp).