pubnub/lib/event-engine/presence/presence.js

Publish & Subscribe Real-time Messaging with PubNub

"use strict";
/**
 * Presence Event Engine module.
 *
 * @internal
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
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      desc = { enumerable: true, get: function() { return m[k]; } };
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    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PresenceEventEngine = void 0;
const dispatcher_1 = require("./dispatcher");
const heartbeat_inactive_1 = require("./states/heartbeat_inactive");
const core_1 = require("../core");
const events = __importStar(require("./events"));
/**
 * Presence Event Engine Core.
 *
 * @internal
 */
class PresenceEventEngine {
    get _engine() {
        return this.engine;
    }
    constructor(dependencies) {
        this.dependencies = dependencies;
        this.channels = [];
        this.groups = [];
        this.engine = new core_1.Engine(dependencies.config.logger());
        this.dispatcher = new dispatcher_1.PresenceEventEngineDispatcher(this.engine, dependencies);
        dependencies.config.logger().debug('PresenceEventEngine', 'Create presence event engine.');
        this._unsubscribeEngine = this.engine.subscribe((change) => {
            if (change.type === 'invocationDispatched') {
                this.dispatcher.dispatch(change.invocation);
            }
        });
        this.engine.start(heartbeat_inactive_1.HeartbeatInactiveState, undefined);
    }
    join({ channels, groups }) {
        this.channels = [...this.channels, ...(channels !== null && channels !== void 0 ? channels : []).filter((channel) => !this.channels.includes(channel))];
        this.groups = [...this.groups, ...(groups !== null && groups !== void 0 ? groups : []).filter((group) => !this.groups.includes(group))];
        // Don't make any transitions if there is no channels and groups.
        if (this.channels.length === 0 && this.groups.length === 0)
            return;
        this.engine.transition(events.joined(this.channels.slice(0), this.groups.slice(0)));
    }
    leave({ channels, groups }) {
        if (this.dependencies.presenceState) {
            channels === null || channels === void 0 ? void 0 : channels.forEach((c) => delete this.dependencies.presenceState[c]);
            groups === null || groups === void 0 ? void 0 : groups.forEach((g) => delete this.dependencies.presenceState[g]);
        }
        this.engine.transition(events.left(channels !== null && channels !== void 0 ? channels : [], groups !== null && groups !== void 0 ? groups : []));
    }
    leaveAll(isOffline = false) {
        this.engine.transition(events.leftAll(isOffline));
    }
    reconnect() {
        this.engine.transition(events.reconnect());
    }
    disconnect(isOffline = false) {
        this.engine.transition(events.disconnect(isOffline));
    }
    dispose() {
        this.disconnect(true);
        this._unsubscribeEngine();
        this.dispatcher.dispose();
    }
}
exports.PresenceEventEngine = PresenceEventEngine;