feat(DiscordRPC): add support for targeting specific Discord instances (PTB/Canary)

plugins/DiscordRPC/src/Settings.tsx

@@ -1,10 +1,11 @@
-import { LunaSettings, LunaSwitchSetting, LunaTextSetting } from "@luna/ui";
+import { LunaSettings, LunaSwitchSetting, LunaTextSetting, LunaSelectSetting, LunaSelectItem } from "@luna/ui";
 
 import { ReactiveStore } from "@luna/core";
 
 import React from "react";
 import { errSignal, trace } from ".";
 import { updateActivity } from "./updateActivity";
+import { getAvailablePipes } from "./getAvailablePipes.native";
 
 const defaultCustomStatusText = "{track} by {artist}";
 
@@ -13,18 +14,52 @@ export const settings = await ReactiveStore.getPluginStorage("DiscordRPC", {
 	displayArtistIcon: true,
 	displayPlaylistButton: true,
 	customStatusText: defaultCustomStatusText,
+	pipeId: -1,
 });
 
 if (!settings.customStatusText || settings.customStatusText === "") settings.customStatusText = defaultCustomStatusText;
+if (settings.pipeId === undefined) settings.pipeId = -1;
 
 export const Settings = () => {
 	const [displayOnPause, setDisplayOnPause] = React.useState(settings.displayOnPause);
 	const [displayArtistIcon, setDisplayArtistIcon] = React.useState(settings.displayArtistIcon);
 	const [displayPlaylistButton, setDisplayPlaylistButton] = React.useState(settings.displayPlaylistButton);
 	const [customStatusText, setCustomStatusText] = React.useState(settings.customStatusText);
+
+	const [pipeId, setPipeId] = React.useState(settings.pipeId);
+	const [availablePipes, setAvailablePipes] = React.useState<number[]>([]);
+
+	React.useEffect(() => {
+		getAvailablePipes().then((pipes) => {
+			setAvailablePipes(pipes);
+			if (pipes.length > 0 && !pipes.includes(settings.pipeId)) {
+				setPipeId((settings.pipeId = pipes[0]));
+				updateActivity().catch(() => {});
+			}
+		}).catch(() => {});
+	}, []);
 
 	return (
 		<LunaSettings>
+			{availablePipes.length > 1 && (
+				<LunaSelectSetting
+					title="Discord Instance (Pipe ID)"
+					desc="Select which Discord instance to connect to."
+					value={pipeId.toString()}
+					onChange={(e) => {
+						setPipeId((settings.pipeId = parseInt(e.target.value, 10)));
+						updateActivity()
+							.then(() => (errSignal!._ = undefined))
+							.catch(trace.err.withContext("Failed to set activity"));
+					}}
+				>
+					{availablePipes.map((pipe) => (
+						<LunaSelectItem key={pipe} value={pipe.toString()}>
+							Pipe {pipe}
+						</LunaSelectItem>
+					))}
+				</LunaSelectSetting>
+			)}
 			<LunaSwitchSetting
 				title="Display activity when paused"
 				desc="If disabled, when paused discord wont show the activity"

plugins/DiscordRPC/src/discord.native.ts

@@ -1,25 +1,51 @@
-import { Client, StatusDisplayType, type SetActivity } from "@xhayper/discord-rpc";
+import { Client, StatusDisplayType, type ClientOptions, type SetActivity } from "@xhayper/discord-rpc";
+import { asyncDebounce } from "@inrixia/helpers";
+import { getAvailablePipes } from "./getAvailablePipes.native";
 
 let rpcClient: Client | null = null;
-export const getClient = async () => {
+let currentPipeId: number = -1;
+
+export const getClient = asyncDebounce(async (preferredPipeId: number = -1) => {
+	const availablePipes = await getAvailablePipes();
+
+	let targetPipe = preferredPipeId;
+	if (availablePipes.length > 0) {
+		targetPipe = availablePipes.includes(preferredPipeId) ? preferredPipeId : availablePipes[0];
+	}
+
+	if (rpcClient && currentPipeId !== targetPipe) {
+		await rpcClient.destroy();
+	}
+
 	const isAvailable = rpcClient && rpcClient.transport.isConnected && rpcClient.user;
 	if (isAvailable) return rpcClient!;
 
 	if (rpcClient) await rpcClient.destroy();
-	rpcClient = new Client({ clientId: "1130698654987067493" });
-	await rpcClient.connect();
 
+	const clientOptions: ClientOptions = {
+		clientId: "1130698654987067493"
+	};
+
+	if (targetPipe >= 0) {
+		clientOptions.pipeId = targetPipe;
+	}
+
+	rpcClient = new Client(clientOptions);
+	currentPipeId = targetPipe;
+
+	await rpcClient.connect();
 	return rpcClient;
-};
+});
 
-export const setActivity = async (activity?: SetActivity) => {
-	const client = await getClient();
-	if (!client.user) return;
+export const setActivity = async (activity?: SetActivity, preferredPipeId: number = -1) => {
+	const client = await getClient(preferredPipeId);
+	if (!client?.user) return;
 	if (!activity) return client.user.clearActivity();
-	return client.user.setActivity(activity);
+	return await client.user.setActivity(activity);
 };
 
-export const cleanupRPC = () => rpcClient?.destroy()!;
+export const cleanupRPC = () => rpcClient?.destroy();
+
 export const StatusDisplayTypeEnum = () => ({
 	Name: StatusDisplayType.NAME,
 	State: StatusDisplayType.STATE,

plugins/DiscordRPC/src/getAvailablePipes.native.ts

@@ -0,0 +1,29 @@
+import { readdir } from "node:fs/promises";
+import { tmpdir } from "node:os";
+
+export const getAvailablePipes = async (): Promise<number[]> => {
+	const pipes = new Set<number>();
+	try {
+		if (process.platform === "win32") {
+			const files = await readdir("\\\\.\\pipe\\");
+			for (const file of files) {
+				if (file.startsWith("discord-ipc-")) {
+					const id = parseInt(file.replace("discord-ipc-", ""), 10);
+					if (!isNaN(id)) pipes.add(id);
+				}
+			}
+		} else {
+			const tempDir = process.env.XDG_RUNTIME_DIR ?? tmpdir();
+			const files = await readdir(tempDir);
+			for (const file of files) {
+				if (file.startsWith("discord-ipc-")) {
+					const id = parseInt(file.replace("discord-ipc-", ""), 10);
+					if (!isNaN(id)) pipes.add(id);
+				}
+			}
+		}
+	} catch {
+		// Ignore read errors
+	}
+	return Array.from(pipes).sort((a, b) => a - b);
+};

plugins/DiscordRPC/src/updateActivity.ts

@@ -9,7 +9,7 @@ import { settings } from "./Settings";
 const StatusDisplayType = await StatusDisplayTypeEnum();
 
 export const updateActivity = async (mediaItem?: MediaItem) => {
-	if (!PlayState.playing && !settings.displayOnPause) return await setActivity();
+	if (!PlayState.playing && !settings.displayOnPause) return await setActivity(undefined, settings.pipeId);
 
 	mediaItem ??= await MediaItem.fromPlaybackContext();
 	if (mediaItem === undefined) return;
@@ -83,5 +83,5 @@ export const updateActivity = async (mediaItem?: MediaItem) => {
 		activity.largeImageUrl = `https://tidal.com/album/${album.id}/u`;
 	}
 
-	await setActivity(activity);
+	await setActivity(activity, settings.pipeId);
 };