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* Access the file system.
*
* ## iOS security-scoped resources
*
* On iOS, the `fs` plugin automatically manages access to security-scoped resources when a file URL is accessed.
* This is required for files outside the app's sandbox (e.g., from file picker).
*
* @example
* ```typescript
* import { open } from '@tauri-apps/plugin-fs';
*
* const file = await open('file:///path/to/file.txt');
* await file.close();
* ```
*
* ## Security
*
* This module prevents path traversal, not allowing parent directory accessors to be used
* (i.e. "/usr/path/to/../file" or "../path/to/file" paths are not allowed).
* Paths accessed with this API must be either relative to one of the {@link BaseDirectory | base directories}
* or created with the {@link https://v2.tauri.app/reference/javascript/api/namespacepath/ | path API}.
*
* The API has a scope configuration that forces you to restrict the paths that can be accessed using glob patterns.
*
* The scope configuration is an array of glob patterns describing file/directory paths that are allowed.
* For instance, this scope configuration allows **all** enabled `fs` APIs to (only) access files in the
* *databases* directory of the {@link https://v2.tauri.app/reference/javascript/api/namespacepath/#appdatadir | `$APPDATA` directory}:
* ```json
* {
* "permissions": [
* {
* "identifier": "fs:scope",
* "allow": [{ "path": "$APPDATA/databases/*" }]
* }
* ]
* }
* ```
*
* Scopes can also be applied to specific `fs` APIs by using the API's identifier instead of `fs:scope`:
* ```json
* {
* "permissions": [
* {
* "identifier": "fs:allow-exists",
* "allow": [{ "path": "$APPDATA/databases/*" }]
* }
* ]
* }
* ```
*
* Notice the use of the `$APPDATA` variable. The value is injected at runtime, resolving to the {@link https://v2.tauri.app/reference/javascript/api/namespacepath/#appdatadir | app data directory}.
*
* The available variables are:
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#appconfigdir | $APPCONFIG},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#appdatadir | $APPDATA},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#applocaldatadir | $APPLOCALDATA},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#appcachedir | $APPCACHE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#applogdir | $APPLOG},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#audiodir | $AUDIO},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#cachedir | $CACHE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#configdir | $CONFIG},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#datadir | $DATA},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#localdatadir | $LOCALDATA},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#desktopdir | $DESKTOP},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#documentdir | $DOCUMENT},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#downloaddir | $DOWNLOAD},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#executabledir | $EXE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#fontdir | $FONT},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#homedir | $HOME},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#picturedir | $PICTURE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#publicdir | $PUBLIC},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#runtimedir | $RUNTIME},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#templatedir | $TEMPLATE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#videodir | $VIDEO},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#resourcedir | $RESOURCE},
* {@linkcode https://v2.tauri.app/reference/javascript/api/namespacepath/#tempdir | $TEMP}.
*
* Trying to execute any API with a URL not configured on the scope results in a promise rejection due to denied access.
*
* @module
*/
import { BaseDirectory } from '@tauri-apps/api/path';
import { Resource } from '@tauri-apps/api/core';
declare enum SeekMode {
Start = 0,
Current = 1,
End = 2
}
/**
* A FileInfo describes a file and is returned by `stat`, `lstat` or `fstat`.
*
* @since 2.0.0
*/
interface FileInfo {
/**
* True if this is info for a regular file. Mutually exclusive to
* `FileInfo.isDirectory` and `FileInfo.isSymlink`.
*/
isFile: boolean;
/**
* True if this is info for a regular directory. Mutually exclusive to
* `FileInfo.isFile` and `FileInfo.isSymlink`.
*/
isDirectory: boolean;
/**
* True if this is info for a symlink. Mutually exclusive to
* `FileInfo.isFile` and `FileInfo.isDirectory`.
*/
isSymlink: boolean;
/**
* The size of the file, in bytes.
*/
size: number;
/**
* The last modification time of the file. This corresponds to the `mtime`
* field from `stat` on Linux/Mac OS and `ftLastWriteTime` on Windows. This
* may not be available on all platforms.
*/
mtime: Date | null;
/**
* The last access time of the file. This corresponds to the `atime`
* field from `stat` on Unix and `ftLastAccessTime` on Windows. This may not
* be available on all platforms.
*/
atime: Date | null;
/**
* The creation time of the file. This corresponds to the `birthtime`
* field from `stat` on Mac/BSD and `ftCreationTime` on Windows. This may
* not be available on all platforms.
*/
birthtime: Date | null;
/** Whether this is a readonly (unwritable) file. */
readonly: boolean;
/**
* This field contains the file system attribute information for a file
* or directory. For possible values and their descriptions, see
* {@link https://docs.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants | File Attribute Constants} in the Windows Dev Center
*
* #### Platform-specific
*
* - **macOS / Linux / Android / iOS:** Unsupported.
*/
fileAttributes: number | null;
/**
* ID of the device containing the file.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
dev: number | null;
/**
* Inode number.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
ino: number | null;
/**
* The underlying raw `st_mode` bits that contain the standard Unix
* permissions for this file/directory.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
mode: number | null;
/**
* Number of hard links pointing to this file.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
nlink: number | null;
/**
* User ID of the owner of this file.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
uid: number | null;
/**
* Group ID of the owner of this file.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
gid: number | null;
/**
* Device ID of this file.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
rdev: number | null;
/**
* Blocksize for filesystem I/O.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
blksize: number | null;
/**
* Number of blocks allocated to the file, in 512-byte units.
*
* #### Platform-specific
*
* - **Windows:** Unsupported.
*/
blocks: number | null;
}
/**
* The Tauri abstraction for reading and writing files.
*
* @since 2.0.0
*/
declare class FileHandle extends Resource {
/**
* Reads up to `p.byteLength` bytes into `p`. It resolves to the number of
* bytes read (`0` < `n` <= `p.byteLength`) and rejects if any error
* encountered. Even if `read()` resolves to `n` < `p.byteLength`, it may
* use all of `p` as scratch space during the call. If some data is
* available but not `p.byteLength` bytes, `read()` conventionally resolves
* to what is available instead of waiting for more.
*
* When `read()` encounters end-of-file condition, it resolves to EOF
* (`null`).
*
* When `read()` encounters an error, it rejects with an error.
*
* Callers should always process the `n` > `0` bytes returned before
* considering the EOF (`null`). Doing so correctly handles I/O errors that
* happen after reading some bytes and also both of the allowed EOF
* behaviors.
*
* @example
* ```typescript
* import { open, BaseDirectory } from "@tauri-apps/plugin-fs"
* // if "$APPCONFIG/foo/bar.txt" contains the text "hello world":
* const file = await open("foo/bar.txt", { baseDir: BaseDirectory.AppConfig });
* const buf = new Uint8Array(100);
* const numberOfBytesRead = await file.read(buf); // 11 bytes
* const text = new TextDecoder().decode(buf); // "hello world"
* await file.close();
* ```
*
* @since 2.0.0
*/
read(buffer: Uint8Array): Promise<number | null>;
/**
* Seek sets the offset for the next `read()` or `write()` to offset,
* interpreted according to `whence`: `Start` means relative to the
* start of the file, `Current` means relative to the current offset,
* and `End` means relative to the end. Seek resolves to the new offset
* relative to the start of the file.
*
* Seeking to an offset before the start of the file is an error. Seeking to
* any positive offset is legal, but the behavior of subsequent I/O
* operations on the underlying object is implementation-dependent.
* It returns the number of cursor position.
*
* @example
* ```typescript
* import { open, SeekMode, BaseDirectory } from '@tauri-apps/plugin-fs';
*
* // Given hello.txt pointing to file with "Hello world", which is 11 bytes long:
* const file = await open('hello.txt', { read: true, write: true, truncate: true, create: true, baseDir: BaseDirectory.AppLocalData });
* await file.write(new TextEncoder().encode("Hello world"));
*
* // Seek 6 bytes from the start of the file
* console.log(await file.seek(6, SeekMode.Start)); // "6"
* // Seek 2 more bytes from the current position
* console.log(await file.seek(2, SeekMode.Current)); // "8"
* // Seek backwards 2 bytes from the end of the file
* console.log(await file.seek(-2, SeekMode.End)); // "9" (e.g. 11-2)
*
* await file.close();
* ```
*
* @since 2.0.0
*/
seek(offset: number, whence: SeekMode): Promise<number>;
/**
* Returns a {@linkcode FileInfo } for this file.
*
* @example
* ```typescript
* import { open, BaseDirectory } from '@tauri-apps/plugin-fs';
* const file = await open("file.txt", { read: true, baseDir: BaseDirectory.AppLocalData });
* const fileInfo = await file.stat();
* console.log(fileInfo.isFile); // true
* await file.close();
* ```
*
* @since 2.0.0
*/
stat(): Promise<FileInfo>;
/**
* Truncates or extends this file, to reach the specified `len`.
* If `len` is not specified then the entire file contents are truncated.
*
* @example
* ```typescript
* import { open, BaseDirectory } from '@tauri-apps/plugin-fs';
*
* // truncate the entire file
* const file = await open("my_file.txt", { read: true, write: true, create: true, baseDir: BaseDirectory.AppLocalData });
* await file.truncate();
*
* // truncate part of the file
* const file = await open("my_file.txt", { read: true, write: true, create: true, baseDir: BaseDirectory.AppLocalData });
* await file.write(new TextEncoder().encode("Hello World"));
* await file.truncate(7);
* const data = new Uint8Array(32);
* await file.read(data);
* console.log(new TextDecoder().decode(data)); // Hello W
* await file.close();
* ```
*
* @since 2.0.0
*/
truncate(len?: number): Promise<void>;
/**
* Writes `data.byteLength` bytes from `data` to the underlying data stream. It
* resolves to the number of bytes written from `data` (`0` <= `n` <=
* `data.byteLength`) or reject with the error encountered that caused the
* write to stop early. `write()` must reject with a non-null error if
* would resolve to `n` < `data.byteLength`. `write()` must not modify the
* slice data, even temporarily.
*
* @example
* ```typescript
* import { open, write, BaseDirectory } from '@tauri-apps/plugin-fs';
* const encoder = new TextEncoder();
* const data = encoder.encode("Hello world");
* const file = await open("bar.txt", { write: true, baseDir: BaseDirectory.AppLocalData });
* const bytesWritten = await file.write(data); // 11
* await file.close();
* ```
*
* @since 2.0.0
*/
write(data: Uint8Array): Promise<number>;
}
/**
* @since 2.0.0
*/
interface CreateOptions {
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* Creates a file if none exists or truncates an existing file and resolves to
* an instance of {@linkcode FileHandle }.
*
* @example
* ```typescript
* import { create, BaseDirectory } from "@tauri-apps/plugin-fs"
* const file = await create("foo/bar.txt", { baseDir: BaseDirectory.AppConfig });
* await file.write(new TextEncoder().encode("Hello world"));
* await file.close();
* ```
*
* @since 2.0.0
*/
declare function create(path: string | URL, options?: CreateOptions): Promise<FileHandle>;
/**
* @since 2.0.0
*/
interface OpenOptions {
/**
* Sets the option for read access. This option, when `true`, means that the
* file should be read-able if opened.
*/
read?: boolean;
/**
* Sets the option for write access. This option, when `true`, means that
* the file should be write-able if opened. If the file already exists,
* any write calls on it will overwrite its contents, by default without
* truncating it.
*/
write?: boolean;
/**
* Sets the option for the append mode. This option, when `true`, means that
* writes will append to a file instead of overwriting previous contents.
* Note that setting `{ write: true, append: true }` has the same effect as
* setting only `{ append: true }`.
*/
append?: boolean;
/**
* Sets the option for truncating a previous file. If a file is
* successfully opened with this option set it will truncate the file to `0`
* size if it already exists. The file must be opened with write access
* for truncate to work.
*/
truncate?: boolean;
/**
* Sets the option to allow creating a new file, if one doesn't already
* exist at the specified path. Requires write or append access to be
* used.
*/
create?: boolean;
/**
* Defaults to `false`. If set to `true`, no file, directory, or symlink is
* allowed to exist at the target location. Requires write or append
* access to be used. When createNew is set to `true`, create and truncate
* are ignored.
*/
createNew?: boolean;
/**
* Permissions to use if creating the file (defaults to `0o666`, before
* the process's umask).
* Ignored on Windows.
*/
mode?: number;
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* Open a file and resolve to an instance of {@linkcode FileHandle}. The
* file does not need to previously exist if using the `create` or `createNew`
* open options. It is the callers responsibility to close the file when finished
* with it.
*
* @example
* ```typescript
* import { open, BaseDirectory } from "@tauri-apps/plugin-fs"
* const file = await open("foo/bar.txt", { read: true, write: true, baseDir: BaseDirectory.AppLocalData });
* // Do work with file
* await file.close();
* ```
*
* @since 2.0.0
*/
declare function open(path: string | URL, options?: OpenOptions): Promise<FileHandle>;
/**
* @since 2.0.0
*/
interface CopyFileOptions {
/** Base directory for `fromPath`. */
fromPathBaseDir?: BaseDirectory;
/** Base directory for `toPath`. */
toPathBaseDir?: BaseDirectory;
}
/**
* Copies the contents and permissions of one file to another specified path, by default creating a new file if needed, else overwriting.
* @example
* ```typescript
* import { copyFile, BaseDirectory } from '@tauri-apps/plugin-fs';
* await copyFile('app.conf', 'app.conf.bk', { fromPathBaseDir: BaseDirectory.AppConfig, toPathBaseDir: BaseDirectory.AppConfig });
* ```
*
* @since 2.0.0
*/
declare function copyFile(fromPath: string | URL, toPath: string | URL, options?: CopyFileOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface MkdirOptions {
/** Permissions to use when creating the directory (defaults to `0o777`, before the process's umask). Ignored on Windows. */
mode?: number;
/**
* Defaults to `false`. If set to `true`, means that any intermediate directories will also be created (as with the shell command `mkdir -p`).
* */
recursive?: boolean;
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* Creates a new directory with the specified path.
* @example
* ```typescript
* import { mkdir, BaseDirectory } from '@tauri-apps/plugin-fs';
* await mkdir('users', { baseDir: BaseDirectory.AppLocalData });
* ```
*
* @since 2.0.0
*/
declare function mkdir(path: string | URL, options?: MkdirOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface ReadDirOptions {
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* A disk entry which is either a file, a directory or a symlink.
*
* This is the result of the {@linkcode readDir}.
*
* @since 2.0.0
*/
interface DirEntry {
/** The name of the entry (file name with extension or directory name). */
name: string;
/** Specifies whether this entry is a directory or not. */
isDirectory: boolean;
/** Specifies whether this entry is a file or not. */
isFile: boolean;
/** Specifies whether this entry is a symlink or not. */
isSymlink: boolean;
}
/**
* Reads the directory given by path and returns an array of `DirEntry`.
* @example
* ```typescript
* import { readDir, BaseDirectory } from '@tauri-apps/plugin-fs';
* import { join } from '@tauri-apps/api/path';
* const dir = "users"
* const entries = await readDir('users', { baseDir: BaseDirectory.AppLocalData });
* processEntriesRecursively(dir, entries);
* async function processEntriesRecursively(parent, entries) {
* for (const entry of entries) {
* console.log(`Entry: ${entry.name}`);
* if (entry.isDirectory) {
* const dir = await join(parent, entry.name);
* processEntriesRecursively(dir, await readDir(dir, { baseDir: BaseDirectory.AppLocalData }))
* }
* }
* }
* ```
*
* @since 2.0.0
*/
declare function readDir(path: string | URL, options?: ReadDirOptions): Promise<DirEntry[]>;
/**
* @since 2.0.0
*/
interface ReadFileOptions {
/** Base directory for `path` */
baseDir?: BaseDirectory;
/** Text encoding to use when reading a text file. Defaults to 'utf-8'. */
encoding?: string;
}
/**
* Reads and resolves to the entire contents of a file as an array of bytes.
* TextDecoder can be used to transform the bytes to string if required.
* @example
* ```typescript
* import { readFile, BaseDirectory } from '@tauri-apps/plugin-fs';
* const contents = await readFile('avatar.png', { baseDir: BaseDirectory.Resource });
* ```
*
* @since 2.0.0
*/
declare function readFile(path: string | URL, options?: ReadFileOptions): Promise<Uint8Array<ArrayBuffer>>;
/**
* Reads and returns the entire contents of a file as a string using the specified encoding (default: UTF-8).
* @example
* ```typescript
* import { readTextFile, BaseDirectory } from '@tauri-apps/plugin-fs';
* const contents = await readTextFile('app.conf', { baseDir: BaseDirectory.AppConfig });
* ```
*
* @since 2.0.0
*/
declare function readTextFile(path: string | URL, options?: ReadFileOptions): Promise<string>;
/**
* Returns an async {@linkcode AsyncIterableIterator} over the lines of a file, decoded using the specified encoding (default: UTF-8).
* @example
* ```typescript
* import { readTextFileLines, BaseDirectory } from '@tauri-apps/plugin-fs';
* const lines = await readTextFileLines('app.conf', { baseDir: BaseDirectory.AppConfig });
* for await (const line of lines) {
* console.log(line);
* }
* ```
* You could also call {@linkcode AsyncIterableIterator.next} to advance the
* iterator so you can lazily read the next line whenever you want.
*
* @since 2.0.0
*/
declare function readTextFileLines(path: string | URL, options?: ReadFileOptions): Promise<AsyncIterableIterator<string>>;
/**
* @since 2.0.0
*/
interface RemoveOptions {
/** Defaults to `false`. If set to `true`, path will be removed even if it's a non-empty directory. */
recursive?: boolean;
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* Removes the named file or directory.
* If the directory is not empty and the `recursive` option isn't set to true, the promise will be rejected.
* @example
* ```typescript
* import { remove, BaseDirectory } from '@tauri-apps/plugin-fs';
* await remove('users/file.txt', { baseDir: BaseDirectory.AppLocalData });
* await remove('users', { baseDir: BaseDirectory.AppLocalData });
* ```
*
* @since 2.0.0
*/
declare function remove(path: string | URL, options?: RemoveOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface RenameOptions {
/** Base directory for `oldPath`. */
oldPathBaseDir?: BaseDirectory;
/** Base directory for `newPath`. */
newPathBaseDir?: BaseDirectory;
}
/**
* Renames (moves) oldpath to newpath. Paths may be files or directories.
* If newpath already exists and is not a directory, rename() replaces it.
* OS-specific restrictions may apply when oldpath and newpath are in different directories.
*
* On Unix, this operation does not follow symlinks at either path.
*
* @example
* ```typescript
* import { rename, BaseDirectory } from '@tauri-apps/plugin-fs';
* await rename('avatar.png', 'deleted.png', { oldPathBaseDir: BaseDirectory.App, newPathBaseDir: BaseDirectory.AppLocalData });
* ```
*
* @since 2.0.0
*/
declare function rename(oldPath: string | URL, newPath: string | URL, options?: RenameOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface StatOptions {
/** Base directory for `path`. */
baseDir?: BaseDirectory;
}
/**
* Resolves to a {@linkcode FileInfo} for the specified `path`. Will always
* follow symlinks but will reject if the symlink points to a path outside of the scope.
*
* @example
* ```typescript
* import { stat, BaseDirectory } from '@tauri-apps/plugin-fs';
* const fileInfo = await stat("hello.txt", { baseDir: BaseDirectory.AppLocalData });
* console.log(fileInfo.isFile); // true
* ```
*
* @since 2.0.0
*/
declare function stat(path: string | URL, options?: StatOptions): Promise<FileInfo>;
/**
* Resolves to a {@linkcode FileInfo} for the specified `path`. If `path` is a
* symlink, information for the symlink will be returned instead of what it
* points to.
*
* @example
* ```typescript
* import { lstat, BaseDirectory } from '@tauri-apps/plugin-fs';
* const fileInfo = await lstat("hello.txt", { baseDir: BaseDirectory.AppLocalData });
* console.log(fileInfo.isFile); // true
* ```
*
* @since 2.0.0
*/
declare function lstat(path: string | URL, options?: StatOptions): Promise<FileInfo>;
/**
* @since 2.0.0
*/
interface TruncateOptions {
/** Base directory for `path`. */
baseDir?: BaseDirectory;
}
/**
* Truncates or extends the specified file, to reach the specified `len`.
* If `len` is `0` or not specified, then the entire file contents are truncated.
*
* @example
* ```typescript
* import { truncate, readTextFile, writeTextFile, BaseDirectory } from '@tauri-apps/plugin-fs';
* // truncate the entire file
* await truncate("my_file.txt", 0, { baseDir: BaseDirectory.AppLocalData });
*
* // truncate part of the file
* const filePath = "file.txt";
* await writeTextFile(filePath, "Hello World", { baseDir: BaseDirectory.AppLocalData });
* await truncate(filePath, 7, { baseDir: BaseDirectory.AppLocalData });
* const data = await readTextFile(filePath, { baseDir: BaseDirectory.AppLocalData });
* console.log(data); // "Hello W"
* ```
*
* @since 2.0.0
*/
declare function truncate(path: string | URL, len?: number, options?: TruncateOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface WriteFileOptions {
/** Defaults to `false`. If set to `true`, will append to a file instead of overwriting previous contents. */
append?: boolean;
/** Sets the option to allow creating a new file, if one doesn't already exist at the specified path (defaults to `true`). */
create?: boolean;
/** Sets the option to create a new file, failing if it already exists. */
createNew?: boolean;
/** File permissions. Ignored on Windows. */
mode?: number;
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* Write `data` to the given `path`, by default creating a new file if needed, else overwriting.
* @example
* ```typescript
* import { writeFile, BaseDirectory } from '@tauri-apps/plugin-fs';
*
* let encoder = new TextEncoder();
* let data = encoder.encode("Hello World");
* await writeFile('file.txt', data, { baseDir: BaseDirectory.AppLocalData });
* ```
*
* @since 2.0.0
*/
declare function writeFile(path: string | URL, data: Uint8Array | ReadableStream<Uint8Array>, options?: WriteFileOptions): Promise<void>;
/**
* Writes UTF-8 string `data` to the given `path`, by default creating a new file if needed, else overwriting.
@example
* ```typescript
* import { writeTextFile, BaseDirectory } from '@tauri-apps/plugin-fs';
*
* await writeTextFile('file.txt', "Hello world", { baseDir: BaseDirectory.AppLocalData });
* ```
*
* @since 2.0.0
*/
declare function writeTextFile(path: string | URL, data: string, options?: WriteFileOptions): Promise<void>;
/**
* @since 2.0.0
*/
interface ExistsOptions {
/** Base directory for `path`. */
baseDir?: BaseDirectory;
}
/**
* Check if a path exists.
* @example
* ```typescript
* import { exists, BaseDirectory } from '@tauri-apps/plugin-fs';
* // Check if the `$APPDATA/avatar.png` file exists
* await exists('avatar.png', { baseDir: BaseDirectory.AppData });
* ```
*
* @since 2.0.0
*/
declare function exists(path: string | URL, options?: ExistsOptions): Promise<boolean>;
/**
* @since 2.0.0
*/
interface WatchOptions {
/** Watch a directory recursively */
recursive?: boolean;
/** Base directory for `path` */
baseDir?: BaseDirectory;
}
/**
* @since 2.0.0
*/
interface DebouncedWatchOptions extends WatchOptions {
/** Debounce delay */
delayMs?: number;
}
/**
* @since 2.0.0
*/
interface WatchEvent {
type: WatchEventKind;
paths: string[];
attrs: unknown;
}
/**
* @since 2.0.0
*/
type WatchEventKind = 'any' | {
access: WatchEventKindAccess;
} | {
create: WatchEventKindCreate;
} | {
modify: WatchEventKindModify;
} | {
remove: WatchEventKindRemove;
} | 'other';
/**
* @since 2.0.0
*/
type WatchEventKindAccess = {
kind: 'any';
} | {
kind: 'close';
mode: 'any' | 'execute' | 'read' | 'write' | 'other';
} | {
kind: 'open';
mode: 'any' | 'execute' | 'read' | 'write' | 'other';
} | {
kind: 'other';
};
/**
* @since 2.0.0
*/
type WatchEventKindCreate = {
kind: 'any';
} | {
kind: 'file';
} | {
kind: 'folder';
} | {
kind: 'other';
};
/**
* @since 2.0.0
*/
type WatchEventKindModify = {
kind: 'any';
} | {
kind: 'data';
mode: 'any' | 'size' | 'content' | 'other';
} | {
kind: 'metadata';
mode: 'any' | 'access-time' | 'write-time' | 'permissions' | 'ownership' | 'extended' | 'other';
} | {
kind: 'rename';
mode: 'any' | 'to' | 'from' | 'both' | 'other';
} | {
kind: 'other';
};
/**
* @since 2.0.0
*/
type WatchEventKindRemove = {
kind: 'any';
} | {
kind: 'file';
} | {
kind: 'folder';
} | {
kind: 'other';
};
/**
* @since 2.0.0
*/
type UnwatchFn = () => void;
/**
* Watch changes (after a delay) on files or directories.
*
* @since 2.0.0
*/
declare function watch(paths: string | string[] | URL | URL[], cb: (event: WatchEvent) => void, options?: DebouncedWatchOptions): Promise<UnwatchFn>;
/**
* Watch changes on files or directories.
*
* @since 2.0.0
*/
declare function watchImmediate(paths: string | string[] | URL | URL[], cb: (event: WatchEvent) => void, options?: WatchOptions): Promise<UnwatchFn>;
/**
* Get the size of a file or directory. For files, the `stat` functions can be used as well.
*
* If `path` is a directory, this function will recursively iterate over every file and every directory inside of `path` and therefore will be very time consuming if used on larger directories.
*
* @example
* ```typescript
* import { size, BaseDirectory } from '@tauri-apps/plugin-fs';
* // Get the size of the `$APPDATA/tauri` directory.
* const dirSize = await size('tauri', { baseDir: BaseDirectory.AppData });
* console.log(dirSize); // 1024
* ```
*
* @since 2.1.0
*/
declare function size(path: string | URL): Promise<number>;
/**
* Starts accessing a security-scoped resource for the given file URL.
* This should be called when you're accessing a file that was opened
* using a security-scoped URL (e.g., from a file picker).
*
* Note that accessing security-scoped resources is automatically managed by the plugin on iOS, so you don't need to call this function
* unless you want to manage the scope manually.
*
* You must call {@linkcode stopAccessingSecurityScopedResource} when you're done accessing the resource.
*
* #### Platform-specific
*
* - **iOS:** Starts accessing the security-scoped resource.
* - **Other platforms:** does nothing.
*
* @example
* ```typescript
* import { startAccessingSecurityScopedResource } from '@tauri-apps/plugin-fs';
*
* const filePath = 'file:///path/to/file.txt';
* await startAccessingSecurityScopedResource(filePath);
* // ... use the resource ...
* ```
*
* @since 2.5.0
*/
declare function startAccessingSecurityScopedResource(path: string | URL): Promise<void>;
/**
* Stops accessing a security-scoped resource for the given file URL.
* This should be called when you're done accessing a file that was opened
* using a security-scoped URL (e.g., from a file picker) when using manual tracking via {@linkcode startAccessingSecurityScopedResource}.
*
* #### Platform-specific
*
* - **iOS:** Stops accessing the security-scoped resource.
* - **Other platforms:** does nothing.
*
* @example
* ```typescript
* import { stopAccessingSecurityScopedResource } from '@tauri-apps/plugin-fs';
*
* const filePath = 'file:///path/to/file.txt';
* await startAccessingSecurityScopedResource(filePath);
* // ... use the resource ...
* // when you're done with the resource:
* await stopAccessingSecurityScopedResource(filePath);
* ```
*
* @since 2.5.0
*/
declare function stopAccessingSecurityScopedResource(path: string | URL): Promise<void>;
export type { CreateOptions, OpenOptions, CopyFileOptions, MkdirOptions, DirEntry, ReadDirOptions, ReadFileOptions, RemoveOptions, RenameOptions, StatOptions, TruncateOptions, WriteFileOptions, ExistsOptions, FileInfo, WatchOptions, DebouncedWatchOptions, WatchEvent, WatchEventKind, WatchEventKindAccess, WatchEventKindCreate, WatchEventKindModify, WatchEventKindRemove, UnwatchFn };
export { BaseDirectory, FileHandle, create, open, copyFile, mkdir, readDir, readFile, readTextFile, readTextFileLines, remove, rename, SeekMode, stat, lstat, truncate, writeFile, writeTextFile, exists, watch, watchImmediate, size, startAccessingSecurityScopedResource, stopAccessingSecurityScopedResource };
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