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feat:Implemented Peerjs Custom Events #457

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afa3f97
Implemented the functionality to send custom events to the client.
vijayabhaskar-ev Jun 8, 2024
e333995
Merge branch 'master' into peerjs-server-custom-event
vijayabhaskar-ev Jun 8, 2024
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16 changes: 13 additions & 3 deletions src/instance.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ import { Api } from "./api/index.ts";
import type { IClient } from "./models/client.ts";
import type { IMessage } from "./models/message.ts";
import type { IConfig } from "./config/index.ts";
import { MessageType } from "./enums.ts";
import type WebSocket from "ws";

export interface PeerServerEvents {
on(event: "connection", listener: (client: IClient) => void): this;
Expand All @@ -24,7 +26,9 @@ export interface PeerServerEvents {
// eslint-disable-next-line @typescript-eslint/unified-signatures
on(event: "disconnect", listener: (client: IClient) => void): this;
on(event: "error", listener: (client: Error) => void): this;
on(event: string, listener: (socket: WebSocket, message: IMessage) => void): this;
}
type CustomEmitFn = (type: string, payload: object) => void;

export const createInstance = ({
app,
Expand All @@ -38,6 +42,7 @@ export const createInstance = ({
const config = options;
const realm: IRealm = new Realm();
const messageHandler = new MessageHandler(realm);
const defaultMessageType:Set<MessageType> = new Set(Object.values(MessageType));

const api = Api({ config, realm, corsOptions: options.corsOptions });
const messagesExpire: IMessagesExpire = new MessagesExpire({
Expand Down Expand Up @@ -82,9 +87,14 @@ export const createInstance = ({
app.emit("connection", client);
});

wss.on("message", (client: IClient, message: IMessage) => {
app.emit("message", client, message);
messageHandler.handle(client, message);
wss.on("message", (client: IClient, message: IMessage,socket: CustomEmitFn) => {
if(defaultMessageType.has(message.type)){
app.emit("message", client, message);
messageHandler.handle(client, message);
} else {
app.emit(message.type,socket,message.payload)
}

});

wss.on("close", (client: IClient) => {
Expand Down
2 changes: 1 addition & 1 deletion src/models/message.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,5 @@ export interface IMessage {
readonly type: MessageType;
readonly src: string;
readonly dst: string;
readonly payload?: string | undefined;
readonly payload?: string | object | undefined;
}
8 changes: 6 additions & 2 deletions src/services/webSocketServer/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -154,8 +154,8 @@ export class WebSocketServer extends EventEmitter implements IWebSocketServer {
const message = JSON.parse(data.toString()) as Writable<IMessage>;

message.src = client.getId();

this.emit("message", client, message);
const _emit = this.customEmit.bind(null, socket);
this.emit("message", client, message, { _emit } );
} catch (e) {
this.emit("error", e);
}
Expand All @@ -164,6 +164,10 @@ export class WebSocketServer extends EventEmitter implements IWebSocketServer {
this.emit("connection", client);
}

customEmit(socket: WebSocket, type: string,payload:object): void {
socket.send(JSON.stringify({ type, payload }))
}

private _sendErrorAndClose(socket: WebSocket, msg: Errors): void {
socket.send(
JSON.stringify({
Expand Down