@tauri-apps/plugin-shell
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Access the system shell. Allows you to spawn child processes and manage files and URLs using their default application.
Security
This API has a scope configuration that forces you to restrict the programs and arguments that can be used.
Restricting access to the open
API
On the configuration object, open: true
means that the open API can be used with any URL,
as the argument is validated with the ^((mailto:\w+)|(tel:\w+)|(https?://\w+)).+
regex.
You can change that regex by changing the boolean value to a string, e.g. open: ^https://github.com/
.
Restricting access to the Command
APIs
The plugin permissions object has a scope
field that defines an array of CLIs that can be used.
Each CLI is a configuration object { name: string, cmd: string, sidecar?: bool, args?: boolean | Arg[] }
.
name
: the unique identifier of the command, passed to the Command.create function. If it’s a sidecar, this must be the value defined ontauri.conf.json > bundle > externalBin
.cmd
: the program that is executed on this configuration. If it’s a sidecar, this value is ignored.sidecar
: whether the object configures a sidecar or a system program.args
: the arguments that can be passed to the program. By default no arguments are allowed.true
means that any argument list is allowed.false
means that no arguments are allowed.- otherwise an array can be configured. Each item is either a string representing the fixed argument value
or a
{ validator: string }
that defines a regex validating the argument value.
Example scope configuration
CLI: git commit -m "the commit message"
Capability:
{ "permissions": [ { "identifier": "shell:allow-execute", "allow": [ { "name": "run-git-commit", "cmd": "git", "args": ["commit", "-m", { "validator": "\\S+" }] } ] } ]}
Usage:
import { Command } from '@tauri-apps/plugin-shell'Command.create('run-git-commit', ['commit', '-m', 'the commit message'])
Trying to execute any API with a program not configured on the scope results in a promise rejection due to denied access.
Classes
Child
Since
2.0.0
Constructors
new Child()
new Child(pid): Child
Parameters
Parameter | Type |
---|---|
pid | number |
Returns
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L301
Properties
Property | Type | Description | Defined in |
---|---|---|---|
pid | number | The child process pid . | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L299 |
Methods
kill()
kill(): Promise<void>
Kills the child process.
Returns
Promise
<void
>
A promise indicating the success or failure of the operation.
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L336
write()
write(data): Promise<void>
Writes data
to the stdin
.
Parameters
Parameter | Type | Description |
---|---|---|
data | IOPayload | number [] | The message to write, either a string or a byte array. |
Returns
Promise
<void
>
A promise indicating the success or failure of the operation.
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('node');const child = await command.spawn();await child.write('message');await child.write([0, 1, 2, 3, 4, 5]);
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L322
Command<O>
The entry point for spawning child processes.
It emits the close
and error
events.
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('node');command.on('close', data => { console.log(`command finished with code ${data.code} and signal ${data.signal}`)});command.on('error', error => console.error(`command error: "${error}"`));command.stdout.on('data', line => console.log(`command stdout: "${line}"`));command.stderr.on('data', line => console.log(`command stderr: "${line}"`));
const child = await command.spawn();console.log('pid:', child.pid);
Since
2.0.0
Extends
Type Parameters
Type Parameter |
---|
O extends IOPayload |
Properties
Property | Modifier | Type | Description | Defined in |
---|---|---|---|---|
stderr | readonly | EventEmitter <OutputEvents <O >> | Event emitter for the stderr . Emits the data event. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L384 |
stdout | readonly | EventEmitter <OutputEvents <O >> | Event emitter for the stdout . Emits the data event. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L382 |
Methods
addListener()
addListener<N>(eventName, listener): this
Alias for emitter.on(eventName, listener)
.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L118
execute()
execute(): Promise<ChildProcess<O>>
Executes the command as a child process, waiting for it to finish and collecting all of its output.
Returns
Promise
<ChildProcess
<O
>>
A promise resolving to the child process output.
Example
import { Command } from '@tauri-apps/plugin-shell';const output = await Command.create('echo', 'message').execute();assert(output.code === 0);assert(output.signal === null);assert(output.stdout === 'message');assert(output.stderr === '');
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L530
listenerCount()
listenerCount<N>(eventName): number
Returns the number of listeners listening to the event named eventName
.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
Returns
number
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L241
off()
off<N>(eventName, listener): this
Removes the all specified listener from the listener array for the event eventName
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L186
on()
on<N>(eventName, listener): this
Adds the listener
function to the end of the listeners array for the
event named eventName
. No checks are made to see if the listener
has
already been added. Multiple calls passing the same combination of eventName
and listener
will result in the listener
being added, and called, multiple
times.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L147
once()
once<N>(eventName, listener): this
Adds a one-timelistener
function for the event named eventName
. The
next time eventName
is triggered, this listener is removed and then invoked.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L169
prependListener()
prependListener<N>(eventName, listener): this
Adds the listener
function to the beginning of the listeners array for the
event named eventName
. No checks are made to see if the listener
has
already been added. Multiple calls passing the same combination of eventName
and listener
will result in the listener
being added, and called, multiple
times.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L258
prependOnceListener()
prependOnceListener<N>(eventName, listener): this
Adds a one-timelistener
function for the event named eventName
to the_beginning_ of the listeners array. The next time eventName
is triggered, this
listener is removed, and then invoked.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
EventEmitter
.prependOnceListener
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L280
removeAllListeners()
removeAllListeners<N>(event?): this
Removes all listeners, or those of the specified eventName.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
event ? | N |
Returns
this
Since
2.0.0
Inherited from
EventEmitter
.removeAllListeners
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L206
removeListener()
removeListener<N>(eventName, listener): this
Alias for emitter.off(eventName, listener)
.
Type Parameters
Type Parameter |
---|
N extends keyof CommandEvents |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Inherited from
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L130
spawn()
spawn(): Promise<Child>
Executes the command as a child process, returning a handle to it.
Returns
A promise resolving to the child process handle.
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L479
create()
Creates a command to execute the given program.
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('my-app', ['run', 'tauri']);const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
create(program, args)
static create(program, args?): Command<string>
Creates a command to execute the given program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
Returns
Command
<string
>
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('my-app', ['run', 'tauri']);const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L406
create(program, args, options)
static create( program, args?,options?): Command<Uint8Array>
Creates a command to execute the given program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
options ? | SpawnOptions & object |
Returns
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('my-app', ['run', 'tauri']);const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L407
create(program, args, options)
static create( program, args?,options?): Command<string>
Creates a command to execute the given program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
options ? | SpawnOptions |
Returns
Command
<string
>
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.create('my-app', ['run', 'tauri']);const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L412
sidecar()
Creates a command to execute the given sidecar program.
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.sidecar('my-sidecar');const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
sidecar(program, args)
static sidecar(program, args?): Command<string>
Creates a command to execute the given sidecar program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
Returns
Command
<string
>
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.sidecar('my-sidecar');const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L438
sidecar(program, args, options)
static sidecar( program, args?,options?): Command<Uint8Array>
Creates a command to execute the given sidecar program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
options ? | SpawnOptions & object |
Returns
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.sidecar('my-sidecar');const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L439
sidecar(program, args, options)
static sidecar( program, args?,options?): Command<string>
Creates a command to execute the given sidecar program.
Parameters
Parameter | Type |
---|---|
program | string |
args ? | string | string [] |
options ? | SpawnOptions |
Returns
Command
<string
>
Example
import { Command } from '@tauri-apps/plugin-shell';const command = Command.sidecar('my-sidecar');const output = await command.execute();
Param
The program to execute.
It must be configured on tauri.conf.json > plugins > shell > scope
.
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L444
EventEmitter<E>
Since
2.0.0
Extended by
Type Parameters
Type Parameter |
---|
E extends Record <string , any > |
Constructors
new EventEmitter()
new EventEmitter<E>(): EventEmitter<E>
Returns
EventEmitter
<E
>
Methods
addListener()
addListener<N>(eventName, listener): this
Alias for emitter.on(eventName, listener)
.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L118
listenerCount()
listenerCount<N>(eventName): number
Returns the number of listeners listening to the event named eventName
.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
Returns
number
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L241
off()
off<N>(eventName, listener): this
Removes the all specified listener from the listener array for the event eventName
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L186
on()
on<N>(eventName, listener): this
Adds the listener
function to the end of the listeners array for the
event named eventName
. No checks are made to see if the listener
has
already been added. Multiple calls passing the same combination of eventName
and listener
will result in the listener
being added, and called, multiple
times.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L147
once()
once<N>(eventName, listener): this
Adds a one-timelistener
function for the event named eventName
. The
next time eventName
is triggered, this listener is removed and then invoked.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L169
prependListener()
prependListener<N>(eventName, listener): this
Adds the listener
function to the beginning of the listeners array for the
event named eventName
. No checks are made to see if the listener
has
already been added. Multiple calls passing the same combination of eventName
and listener
will result in the listener
being added, and called, multiple
times.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L258
prependOnceListener()
prependOnceListener<N>(eventName, listener): this
Adds a one-timelistener
function for the event named eventName
to the_beginning_ of the listeners array. The next time eventName
is triggered, this
listener is removed, and then invoked.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L280
removeAllListeners()
removeAllListeners<N>(event?): this
Removes all listeners, or those of the specified eventName.
Returns a reference to the EventEmitter
, so that calls can be chained.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
event ? | N |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L206
removeListener()
removeListener<N>(eventName, listener): this
Alias for emitter.off(eventName, listener)
.
Type Parameters
Type Parameter |
---|
N extends string | number | symbol |
Parameters
Parameter | Type |
---|---|
eventName | N |
listener | (arg ) => void |
Returns
this
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L130
Interfaces
ChildProcess<O>
Since
2.0.0
Type Parameters
Type Parameter |
---|
O extends IOPayload |
Properties
Property | Type | Description | Defined in |
---|---|---|---|
code | null | number | Exit code of the process. null if the process was terminated by a signal on Unix. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L94 |
signal | null | number | If the process was terminated by a signal, represents that signal. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L96 |
stderr | O | The data that the process wrote to stderr . | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L100 |
stdout | O | The data that the process wrote to stdout . | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L98 |
CommandEvents
Properties
Property | Type | Defined in |
---|---|---|
close | TerminatedPayload | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L345 |
error | string | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L346 |
OutputEvents<O>
Type Parameters
Type Parameter |
---|
O extends IOPayload |
Properties
Property | Type | Defined in |
---|---|---|
data | O | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L350 |
SpawnOptions
Since
2.0.0
Properties
Property | Type | Description | Defined in |
---|---|---|---|
cwd? | string | Current working directory. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L73 |
encoding? | string | Character encoding for stdout/stderr Since 2.0.0 | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L81 |
env? | Record <string , string > | Environment variables. set to null to clear the process env. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L75 |
TerminatedPayload
Payload for the Terminated
command event.
Properties
Property | Type | Description | Defined in |
---|---|---|---|
code | null | number | Exit code of the process. null if the process was terminated by a signal on Unix. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L560 |
signal | null | number | If the process was terminated by a signal, represents that signal. | Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L562 |
Type Aliases
IOPayload
type IOPayload: string | Uint8Array;
Event payload type
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L566
Functions
open()
function open(path, openWith?): Promise<void>
Opens a path or URL with the system’s default app,
or the one specified with openWith
.
The openWith
value must be one of firefox
, google chrome
, chromium
safari
,
open
, start
, xdg-open
, gio
, gnome-open
, kde-open
or wslview
.
Parameters
Parameter | Type | Description |
---|---|---|
path | string | The path or URL to open. This value is matched against the string regex defined on tauri.conf.json > plugins > shell > open , which defaults to `^((mailto:\w+) |
openWith ? | string | The app to open the file or URL with. Defaults to the system default application for the specified path type. |
Returns
Promise
<void
>
Example
import { open } from '@tauri-apps/plugin-shell';// opens the given URL on the default browser:await open('https://github.com/tauri-apps/tauri');// opens the given URL using `firefox`:await open('https://github.com/tauri-apps/tauri', 'firefox');// opens a file using the default program:await open('/path/to/file');
Since
2.0.0
Source: https://github.com/tauri-apps/plugins-workspace/blob/v2/plugins/shell/guest-js/index.ts#L601
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