camstreamerlib/cjs/internal/WsEvents.js

Helper library for CamStreamer ACAP applications.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.WsEvents = void 0;
class WsEvents {
    zodSchema;
    ws;
    _isDestroyed = false;
    listeners = {};
    constructor(zodSchema, ws) {
        this.zodSchema = zodSchema;
        this.ws = ws;
        this.ws.onMessage = (e) => this.onMessage(e);
    }
    get isDestroyed() {
        return this._isDestroyed;
    }
    resendInitData() {
        const request = {
            command: 'sendInitData',
        };
        this.ws.send(JSON.stringify(request));
    }
    addListener(type, listener, id) {
        const typeList = this.listeners[type];
        if (typeList === undefined) {
            this.listeners[type] = { [id]: listener };
            return;
        }
        typeList[id] = listener;
    }
    removeListener(type, id) {
        const typeList = this.listeners[type];
        if (typeList) {
            delete typeList[id];
            if (Object.keys(typeList).length === 0) {
                delete this.listeners[type];
            }
        }
    }
    onMessage(incomeData) {
        if (this.isDestroyed) {
            return;
        }
        try {
            const eventData = JSON.parse(incomeData.toString());
            const data = this.zodSchema.parse(eventData);
            if (isInitEvent(data)) {
                this.processMessage(data.data, true);
                return;
            }
            this.processMessage(data, false);
        }
        catch (error) {
            console.error('Error parsing event data:', incomeData.toString(), error);
        }
    }
    processMessage(event, isInit) {
        const listeners = this.listeners[event.type];
        const list = Object.values(listeners ?? {});
        list.forEach((listener) => listener(event, isInit));
    }
    destroy() {
        this._isDestroyed = true;
        this.ws.onMessage = () => { };
        this.ws.onOpen = () => Promise.reject(new Error('Websocket is destroyed'));
        this.ws.destroy();
        this.listeners = {};
    }
}
exports.WsEvents = WsEvents;
const isInitEvent = (event) => {
    return event.type === 'init';
};