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rweich / streamdeck-ts

A sdk to create streamdeck plugins in typescript.

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streamdeck-ts

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About

A typescript sdk to create plugins for the elgato streamdeck.

The goal of this sdk is to make all the events (sent and received to / from the streamdeck) and their paylods typesafe.

Features:

  • simple event interface
  • working typehints and autocompletion for events and their payloads

Quickstart

If you want to start writing your plugin right away you might want to look at the streamdeck-ts-template package.

It will help you with:

  • setting up this sdk
  • configuring your plugins metadata
  • bundling your code into the format the streamdeck needs
  • creating a package for redistribution

Upgrading guide

See UPGRADE.md for details about the upgrade process for new major versions.

Example Implementations

  • numberdisplay - the example numberdisplay plugin that comes with the streamdeck ported to use this sdk.
  • datetime - shows the date and the time.

Installation

yarn add @rweich/streamdeck-ts

or

npm install @rweich/streamdeck-ts

Usage Example

import { Streamdeck } from '@rweich/streamdeck-ts';

// Create plugin instance
const plugin = new Streamdeck().plugin();

// Add event listeners
plugin.on('keyDown', ({ row, column }) => {
  console.log(`key pressed on row ${row} and column ${column}`);
});

// Sending events:
// For some events you'll need to set a context (the "button-id").
// It's sent along most events received from the streamdeck.
plugin.on('willAppear', ({ context }) => {
  plugin.setTitle('new Title', context);
});
let keypresses = 0;
plugin.on('keyDown', ({ context }) => {
  plugin.setTitle(`key pressed ${++keypresses} times`, context);
});

// same for the property inspector
const pi = new Streamdeck().propertyinspector();
pi.on('didReceiveSettings', ({ settings }) => console.log('got settings', settings));

Table of Contents

Exposing the plugin / pi instances to the streamdeck

The Streamdeck needs a globally accessible connectElgatoStreamDeckSocket method to register the plugin and propertyinspector. Both, the plugin and pi instances can be exposed to the streamdeck by binding their createStreamdeckConnector method to the connectElgatoStreamDeckSocket. E.g.:

window.connectElgatoStreamDeckSocket = plugin.createStreamdeckConnector();

ℹ️ See the streamdeck-ts-template for a real example how to do that.

Incoming events

The Plugin / Propertyinspector can listen to the following events sent by the streamdeck.

For detailled information see the official docs for events received from the streamdeck.

applicationDidLaunch

Triggered when an application - specified in the manifest.json - was launched.

Event-Payload:

event: { application: string; }

Example:

plugin.on('applicationDidLaunch', ({ application }) => console.log(`${application} was launched!`));
  • is sent to: [x] Plugin [ ] PI

applicationDidTerminate

Triggered when an application - specified in the manifest.json - was terminated.

Event-Payload:

event: { application: string; }

Example:

plugin.on('applicationDidTerminate', ({ application }) => console.log(`${application} was terminated!`));
  • is sent to: [x] Plugin [ ] PI

deviceDidConnect

Triggered when a streamdeck device gets plugged to the computer.

Event-Payload:

event: {
  device: string;
  name: string;
  type: DeviceType; // enum { StreamDeck, StreamDeckMini, StreamDeckXL, StreamDeckMobile, CorsairGKeys }
  columns: number;
  rows: number;
}

Example:

plugin.on('deviceDidConnect', ({ name }) => console.log(`device ${name} was plugged in`));
  • is sent to: [x] Plugin [ ] PI

deviceDidDisconnect

Triggered when a streamdeck device gets unplugged from the computer.

Event-Payload:

event: {
  device: string;
}

Example:

plugin.on('deviceDidDisconnect', ({ device }) => console.log(`device with id ${device} was unplugged`));
  • is sent to: [x] Plugin [ ] PI

dialDown

[Stream Deck 6.1.0+ Required]

Triggered when a user presses a dial on a Stream Deck +.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
  controller: ControllerType; // String enum, but guaranteed to be "Encoder".
}

Example:

plugin.on('dialDown', ({ column }) => console.log(`dial ${column} was pressed`));

dialPress

[Stream Deck 6.0.0+ Required] [Deprecated in 6.1.0+]

Triggered when a user presses or releases the dial on a Stream Deck +.

This event was deprecated in Version 6.1 of the Stream Deck SDK and will eventually be removed. Developers are encouraged to consume the dialUp and dialDown events instead. While the API is in its transitional phase, both events will be sent to plugins.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
  controller: ControllerType; // String enum, but guaranteed to be "Encoder".
  pressed: boolean;
}

Example:

plugin.on('dialPress', ({ pressed }) => {
  console.log(`a dial was ${pressed ? 'pressed' : 'released'}`);
});
  • is sent to: [x] Plugin [ ] PI

dialRotate

[Stream Deck 6.0.0+ Required]

Triggered when a user rotates a dial on a Stream Deck +. Note that a dial may be pressed and rotated simultaneously.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
  controller: ControllerType; // String enum, but guaranteed to be "Encoder".
  pressed: boolean;
  ticks: number;
}

Example:

plugin.on('dialRotate', ({ ticks, pressed }) => {
  console.log(`a dial was rotated ${ticks} ticks. It ${pressed ? 'was' : 'was not'} pressed.`);
});
  • is sent to: [x] Plugin [ ] PI

dialUp

[Stream Deck 6.1.0+ Required]

Triggered when a user releases a dial on a Stream Deck +.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
  controller: ControllerType; // String enum, but guaranteed to be "Encoder".
}

Example:

plugin.on('dialUp', ({ column }) => console.log(`dial ${column} was released`));

didReceiveGlobalSettings

Triggered after a GetGlobalSettingsEvent was sent to the streamdeck.

Event-Payload:

event: { settings: unknown }

Example:

plugin.on('didReceiveGlobalSettings', ({ settings }) => console.log('got settings', settings));
  • is sent to: [x] Plugin [x] PI

didReceiveSettings

Triggered after a GetSettingsEvent was sent to the streamdeck.

Event-Payload:

event: {
  settings: unknown;
  row: numbe | undefinedr;
  column: number | undefined;
  isInMultiAction: boolean;
  state: number | undefined;
  action: string;
  context: string;
  device: string;
}

Example:

plugin.on('didReceiveSettings', ({ row, column, settings }) =>
  console.log(`got settings for button ${row} / ${column}`, settings),
);
  • is sent to: [x] Plugin [x] PI

keyDown

Triggered when the button gets pressed.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  isInMultiAction: boolean;
  state: number | undefined;
  userDesiredState: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
}

Example:

plugin.on('keyDown', ({ row, column }) => console.log(`key down on ${row} / ${column}`));
  • is sent to: [x] Plugin [ ] PI

keyUp

Triggered when the button gets released.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  isInMultiAction: boolean;
  state: number | undefined;
  userDesiredState: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
}

Example:

plugin.on('keyUp', ({ row, column }) => console.log(`key up on ${row} / ${column}`));
  • is sent to: [x] Plugin [ ] PI

propertyInspectorDidAppear

Triggered when the property inspector appears.

Event-Payload:

event: {
  action: string;
  context: string;
  device: string;
}

Example:

plugin.on('propertyInspectorDidAppear', () => console.log(`the propertyinspector appeared!`));
  • is sent to: [x] Plugin [ ] PI

propertyInspectorDidDisappear

Triggered when the property inspector appears.

Event-Payload:

event: {
  action: string;
  context: string;
  device: string;
}

Example:

plugin.on('propertyInspectorDidDisappear', () => console.log(`the propertyinspector disappeared!`));
  • is sent to: [x] Plugin [ ] PI

sendToPlugin

Triggered when the propertyinspector sends a SendToPluginEvent.

Event-Payload:

event: {
  action: string;
  context: string;
  payload: Record<string, unknown>;
}

Example:

plugin.on('sendToPlugin', ({ payload }) => console.log(`the pi sent some data:`, payload));
  • is sent to: [x] Plugin [ ] PI

sendToPropertyInspector

Triggered when the plugin sends a SendToPropertyInspectorEvent.

Event-Payload:

event: {
  action: string;
  context: string;
  payload: Record<string, unknown>;
}

Example:

pi.on('sendToPropertyInspector', ({ payload }) => console.log(`the plugin sent some data:`, payload));
  • is sent to: [ ] Plugin [x] PI

systemDidWakeUp

Triggered when the computer is wake up.

Event-Payload:

no payload

Example:

plugin.on('systemDidWakeUp', () => console.log(`system did wake up!`));
  • is sent to: [x] Plugin [ ] PI

timerUpdate

Triggered on an interval based on your manifest configuration.

⚠️ Beware: This event is undocumented and might be removed on newer Streamdeck software versions without prior notice!

Event-Payload:

no payload

Example:

Add the TimerInterval configuration on the root level of your manifest.json. The interval is in milliseconds.

{ "TimerInterval": 10000 }
plugin.on('timerUpdate', () => console.log(`got update!`));
  • is sent to: [x] Plugin [ ] PI

titleParametersDidChange

Triggered when the user changes the title or title parameters.

Event-Payload:

event: {
  action: string;
  context: string;
  device: string;
  row: number;
  column: number;
  settings: unknown;
  state: number;
  title: string;
  fontFamily: string
  fontSize: number
  fontStyle: string
  fontUnderline: boolean
  showTitle: boolean
  titleAlignment: string
  titleColor: string
}

Example:

plugin.on('titleParametersDidChange', ({ fontSize }) => console.log(`new title/params with size ${fontSize}!`));
  • is sent to: [x] Plugin [ ] PI

touchTap

Triggered when a user touches the touch screen on a Stream Deck +. A hold happens when the user keeps their finger in place for approximately 500 milliseconds.

Event-Payload:

event: {
  row: number | undefined;
  column: number | undefined;
  action: string;
  context: string;
  device: string;
  settings: unknown;
  controller: ControllerType; // String enum, but guaranteed to be "Encoder".
  tapPos: [number, number]; // X, Y
  hold: boolean;
}

Example:

plugin.on('touchTap', ({ hold, tapPos }) => {
  console.log(`touch screen tapped at (${tapPos[0]}, ${tapPos[1]}), ${hold ? 'was' : 'was not'} held!`);
});
  • is sent to: [x] Plugin [ ] PI

websocketOpen

Triggered when the websocket to the streamdeck was successfully opened.

Event-Payload:

event: {
  uuid: string;
  info: string;
}

Example:

plugin.on('websocketOpen', ({ uuid }) => console.log(`websocket opened for uuid/context: ${uuid}`));
  • is sent to: [x] Plugin [x] PI

willAppear

Triggered when the plugin / button gets displayed on the streamdeck.

Event-Payload:

event: {
  settings: unknown;
  row: number | undefined;
  column: number | undefined;
  isInMultiAction: boolean;
  state: number | undefined;
  action: string;
  context: string;
  device: string;
}

Example:

plugin.on('willAppear', ({ row, column }) => console.log(`the button appeared on ${row} / ${column}`));
  • is sent to: [x] Plugin [ ] PI

willDisappear

Triggered when the plugin / button is no longer displayed on the streamdeck.

Event-Payload:

event: {
  settings: unknown;
  row: number | undefined;
  column: number | undefined;
  isInMultiAction: boolean;
  state: number | undefined;
  action: string;
  context: string;
  device: string;
}

Example:

plugin.on('willDisappear', ({ row, column }) => console.log(`the button disappeared from ${row} / ${column}`));
  • is sent to: [x] Plugin [ ] PI

Outgoing events

The plugin and propertyinspector can send the following events to the streamdeck:

For detailled information see the official docs for events sent to the streamdeck.

GetGlobalSettings

Requests the settings globally stored for all buttons using this plugin / pi.

Triggers the didReceiveGlobalSettings event.

getGlobalSettings(context: string): void

Example:

plugin.getGlobalSettings('context');
  • can be sent from: [x] Plugin [x] PI

GetSettings

Requests the settings stored for the button instance.

Triggers the didReceiveSettings event.

getSettings(context: string): void

Example:

plugin.getSettings('context');
  • can be sent from: [x] Plugin [x] PI

LogMessage

Makes the streamdeck write the log message to a debug log file.

logMessage(message: string): void

Example:

plugin.logMessage('the message');
  • can be sent from: [x] Plugin [x] PI

OpenUrl

Makes the streamdeck open the url in a browser.

openUrl(url: string): void

Example:

plugin.openUrl('the url');
  • can be sent from: [x] Plugin [x] PI

SendToPlugin

Sends data to the plugin. Triggers the sendToPlugin event.

sendToPlugin(context: string, payload: Record<string, unknown>, action: string): void

Example:

pi.sendToPlugin('context', { some: 'data' }, 'action');
  • can be sent from: [ ] Plugin [x] PI

SendToPropertyInspector

Sends data to the propertyinspector. Triggers the sendToPropertyInspector event.

sendToPropertyInspector(context: string, payload: Record<string, unknown>): void

Example:

plugin.sendToPropertyInspector('context', { some: 'data' });
  • can be sent from: [x] Plugin [ ] PI

SetFeedback

[Stream Deck 6.0.0+ Required]

Sends a command to the Stream Deck to update the Feedback displayed for a specific dial. Feedback payloads must conform to (at least) the GenericLayoutFeedback type for any updates, but stricter types are accepted so long as they also satisfy the requirements of this type.

Consult the streamdeck-events project for more information about feedback and how it behaves, including valid values for particular keys.

setFeedback(payload: LayoutFeedback | GenericLayoutFeedback, context: string): void

Example:

plugin.setFeedback({ title: 'Hello, world!' }, 'context');
  • can be sent from: [x] Plugin [ ] PI

SetFeedbackLayout

[Stream Deck 6.0.0+ Required]

Sends a command to the Stream Deck to update the Feedback Layout for a specific dial. Layouts may either be a hardcoded layout ID or a path (relative to plugin root) to a layout JSON. This library will perform no validation whether a specific layout is valid or not.

Consult the streamdeck-events project for more information about feedback and how it behaves, including built-in layouts.

setFeedbackLayout(layout: LayoutFeedbackKey | string, context: string): void

Example:

plugin.setFeedbackLayout("layouts/layoutv2.json", 'context');
  • can be sent from: [x] Plugin [ ] PI

SetImage

Changes the image of the button.

setImage(image: string, context: string, options: { target?: 'hardware' | 'software' | 'both'; state?: number }): void

Example:

plugin.setImage('imagedataAsBase64', 'context');
  • can be sent from: [x] Plugin [ ] PI

SetGlobalSettings

Persists the data globally (not just for the current button).

Triggers the didReceiveGlobalSettings event for the plugin (if sent by pi) and for the pi (if sent by plugin).

setGlobalSettings(context: string, settings: unknown): void

Example:

plugin.setGlobalSettings('context', { your: 'new-global-settings' });
  • can be sent from: [x] Plugin [x] PI

SetSettings

Persists the settings for the current button.

Triggers the didReceiveSettings event for the plugin (if sent by pi) and for the pi (if sent by plugin).

setSettings(context: string, eventPayload: unknown): void

Example:

plugin.setSettings('context', { your: 'new-settings' });
  • can be sent from: [x] Plugin [x] PI

SetState

Changes the state of the button if it supports multiple states.

setState(state: number, context: string): void

Example:

plugin.setState(1, 'context');
  • can be sent from: [x] Plugin [ ] PI

SetTitle

Changes the title of the button.

setTitle(title: string, context: string, options: { target?: 'hardware' | 'software' | 'both'; state?: number }): void

Example:

plugin.setTitle('the new title', 'context');
  • can be sent from: [x] Plugin [ ] PI

ShowAlert

Will show an alert icon on the button.

showAlert(context: string): void

Example:

plugin.showAlert('context');
  • can be sent from: [x] Plugin [ ] PI

ShowOk

Will show an ok checkmark on the button.

showOk(context: string): void

Example:

plugin.showOk('context');
  • can be sent from: [x] Plugin [ ] PI

SwitchToProfile

Makes the streamdeck switch to the preconfigured readonly profile.

switchToProfile(profilename: string, context: string, device: string): void

Example:

plugin.switchToProfile('profilename', 'context', 'device');
  • can be sent from: [x] Plugin [ ] PI

License

FOSSA Status

About

A sdk to create streamdeck plugins in typescript.

elgato-stream-decksdkstreamdeckstreamdeck-apistreamdeck-pluginsstreamdeck-toolsstreamdecksdktypescript

License:MIT License

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Language:TypeScript 99.6%Language:Shell 0.4%