TSM.ID
120 lines
3.7 KiB
TypeScript
120 lines
3.7 KiB
TypeScript
// [TSM.ID].[11031972] -- All Rights Reserved. Proprietary & Confidential.
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export type SocketCallback = (data: unknown) => void;
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export class ZeroSocket {
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private url: string;
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private listeners: Record<string, SocketCallback[]> = {};
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private eventSource: EventSource | null = null;
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private channel: string = "global_lobby";
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public id: string;
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constructor(url: string) {
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this.url = url;
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// Generate random id simulating socket.id
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this.id = Math.random().toString(36).substring(2, 15);
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}
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// Connect is called explicitly or implicitly
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connect() {
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if (this.eventSource) return;
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this.initSSE(this.channel);
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}
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private initSSE(channelName: string) {
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if (this.eventSource) {
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this.eventSource.close();
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}
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this.eventSource = new EventSource(`/api/omnibrain/sse?channel=${channelName}`);
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this.eventSource.onmessage = (e) => {
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try {
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const data = JSON.parse(e.data);
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if (data.event && this.listeners[data.event]) {
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this.listeners[data.event].forEach(fn => fn(data.payload));
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}
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} catch {
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// Abaikan parse error (mungkin keep-alive)
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}
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};
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this.eventSource.onerror = () => {
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console.warn("[ZeroSocket] SSE Koneksi terputus, mencoba memulihkan otomatis...");
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};
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}
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on(event: string, callback: SocketCallback) {
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if (!this.listeners[event]) this.listeners[event] = [];
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this.listeners[event].push(callback);
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return this; // for chaining
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}
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once(event: string, callback: SocketCallback) {
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const onceWrapper = (data: unknown) => {
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callback(data);
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this.off(event, onceWrapper);
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};
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this.on(event, onceWrapper);
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return this;
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}
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off(event: string, callback?: SocketCallback) {
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if (!this.listeners[event]) return this;
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if (callback) {
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this.listeners[event] = this.listeners[event].filter(cb => cb !== callback);
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} else {
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delete this.listeners[event];
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}
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return this;
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}
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emit(event: string, payload: string | Record<string, unknown> = {}) {
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const normalizedPayload = typeof payload === 'string' ? { value: payload } : payload;
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// Simulasi `socket.join(room)`
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// Di backend socket.io asli, `join` memasukkan client ke room. Di ZeroSocket, kita mengubah parameter channel SSE.
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if (event === "qr_auth_init") {
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this.channel = `qr_session_${(payload as Record<string, unknown>).sessionId}`;
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this.initSSE(this.channel);
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} else if (event === "guest_knock") {
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// Kita ganti channel menjadi lobby_ROOM agar bisa mendengarkan approval
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this.channel = `guest_${this.id}`;
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this.initSSE(this.channel);
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(payload as Record<string, any>).guestSocketId = this.id; // Sisipkan ID agar host tahu harus membalas kemana
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} else if (event === "register_user") {
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const userId = typeof payload === 'string' ? payload : (payload as Record<string, unknown>).userId;
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this.channel = `USER_${userId}`;
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this.initSSE(this.channel);
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}
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// Fire & Forget HTTP POST ke Redis PubSub OmniBrain
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fetch('/api/omnibrain/emit', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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channel: this.channel,
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event,
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payload: normalizedPayload
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})
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}).catch(() => console.error("[ZeroSocket] Gagal memancarkan sinyal:"));
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return this;
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}
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disconnect() {
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if (this.eventSource) {
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this.eventSource.close();
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this.eventSource = null;
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}
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}
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}
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// Named export 'io' untuk meniru "import { io } from 'socket.io-client'"
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export const io = (url?: string, options?: any) => {
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const socket = new ZeroSocket(url || "");
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socket.connect();
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return socket;
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};
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// Export tipe tiruan
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export type Socket = ZeroSocket;
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