144 lines
3.1 KiB
TypeScript
144 lines
3.1 KiB
TypeScript
/* eslint-disable class-methods-use-this */
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/* eslint-disable no-console */
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import { DefaultEventsMap } from "@socket.io/component-emitter";
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import io, { Socket } from "socket.io-client";
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let client: Socket<DefaultEventsMap, DefaultEventsMap> | null = null;
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let callbacks: { eventName: string; callback: () => void }[] = [];
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const subscribers = new Set();
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export type TEmit = {
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command: string;
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data: { roomParts: string | [] };
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room?: null | boolean;
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};
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export type TConfig = {
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withCredentials: boolean;
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transports: string[];
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eio: number;
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path: string;
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query?: {
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[key: string]: string;
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};
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};
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class SocketIOHelper {
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socketUrl: string | null = null;
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constructor(url: string, publicRoomKey: string) {
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if (!url) return;
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this.socketUrl = url;
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if (client) return;
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const origin = window.location.origin;
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const config: TConfig = {
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withCredentials: true,
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transports: ["websocket", "polling"],
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eio: 4,
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path: url,
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};
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if (publicRoomKey) {
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config.query = {
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share: publicRoomKey,
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};
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}
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client = io(origin, config);
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client.on("connect", () => {
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console.log("socket is connected");
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if (callbacks?.length > 0) {
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callbacks.forEach(({ eventName, callback }) => {
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if (!client) return;
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client.on(eventName, callback);
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});
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callbacks = [];
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}
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});
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client.on("connect_error", (err) =>
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console.log("socket connect error", err),
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);
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client.on("disconnect", () => console.log("socket is disconnected"));
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// DEV tests
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// window.socketHelper = this;
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}
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get isEnabled() {
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return this.socketUrl !== null;
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}
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get socketSubscribers() {
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return subscribers;
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}
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emit = ({ command, data, room = null }: TEmit) => {
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if (!this.isEnabled) return;
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const ids =
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!data || !data.roomParts
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? []
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: typeof data.roomParts === "object"
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? data.roomParts
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: [data.roomParts];
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ids.forEach((id: string) => {
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if (command === "subscribe") {
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if (subscribers.has(id)) return;
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subscribers.add(id);
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}
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if (command === "unsubscribe") {
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subscribers.delete(id);
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}
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});
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if (!client) return;
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if (!client.connected) {
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client.on("connect", () => {
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if (room !== null) {
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if (!client) return;
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// @ts-expect-error need refactoring
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client.to(room).emit(command, data);
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} else {
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if (!client) return;
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client.emit(command, data);
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}
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});
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} else if (room) {
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// @ts-expect-error need refactoring
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client.to(room).emit(command, data);
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} else {
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client.emit(command, data);
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}
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};
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on = (eventName: string, callback: () => void) => {
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if (!this.isEnabled) {
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callbacks.push({ eventName, callback });
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return;
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}
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if (!client) return;
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if (!client.connected) {
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client.on("connect", () => {
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if (!client) return;
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client.on(eventName, callback);
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});
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} else {
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client.on(eventName, callback);
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}
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};
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}
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export default SocketIOHelper;
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