pubnub
Version:
Publish & Subscribe Real-time Messaging with PubNub
112 lines (111 loc) • 5.72 kB
JavaScript
;
/**
* Presence Event Engine effects dispatcher.
*
* @internal
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
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;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PresenceEventEngineDispatcher = void 0;
const categories_1 = __importDefault(require("../../core/constants/categories"));
const core_1 = require("../core");
const operations_1 = __importDefault(require("../../core/constants/operations"));
const pubnub_error_1 = require("../../errors/pubnub-error");
const effects = __importStar(require("./effects"));
const events = __importStar(require("./events"));
/**
* Presence Event Engine dispatcher.
*
* Dispatcher responsible for presence events handling and corresponding effects execution.
*
* @internal
*/
class PresenceEventEngineDispatcher extends core_1.Dispatcher {
constructor(engine, dependencies) {
super(dependencies, dependencies.config.logger());
this.on(effects.heartbeat.type, (0, core_1.asyncHandler)((payload_1, abortSignal_1, _a) => __awaiter(this, [payload_1, abortSignal_1, _a], void 0, function* (payload, abortSignal, { heartbeat, presenceState, config }) {
abortSignal.throwIfAborted();
try {
const result = yield heartbeat(Object.assign(Object.assign({ abortSignal: abortSignal, channels: payload.channels, channelGroups: payload.groups }, (config.maintainPresenceState && { state: presenceState })), { heartbeat: config.presenceTimeout }));
engine.transition(events.heartbeatSuccess(200));
}
catch (e) {
if (e instanceof pubnub_error_1.PubNubError) {
if (e.status && e.status.category == categories_1.default.PNCancelledCategory)
return;
engine.transition(events.heartbeatFailure(e));
}
}
})));
this.on(effects.leave.type, (0, core_1.asyncHandler)((payload_1, _1, _a) => __awaiter(this, [payload_1, _1, _a], void 0, function* (payload, _, { leave, config }) {
if (!config.suppressLeaveEvents) {
try {
leave({
channels: payload.channels,
channelGroups: payload.groups,
});
}
catch (e) { }
}
})));
this.on(effects.wait.type, (0, core_1.asyncHandler)((_1, abortSignal_1, _a) => __awaiter(this, [_1, abortSignal_1, _a], void 0, function* (_, abortSignal, { heartbeatDelay }) {
abortSignal.throwIfAborted();
yield heartbeatDelay();
abortSignal.throwIfAborted();
return engine.transition(events.timesUp());
})));
this.on(effects.emitStatus.type, (0, core_1.asyncHandler)((payload_1, _1, _a) => __awaiter(this, [payload_1, _1, _a], void 0, function* (payload, _, { emitStatus, config }) {
if (config.announceFailedHeartbeats && (payload === null || payload === void 0 ? void 0 : payload.error) === true) {
emitStatus(Object.assign(Object.assign({}, payload), { operation: operations_1.default.PNHeartbeatOperation }));
}
else if (config.announceSuccessfulHeartbeats && payload.statusCode === 200) {
emitStatus(Object.assign(Object.assign({}, payload), { error: false, operation: operations_1.default.PNHeartbeatOperation, category: categories_1.default.PNAcknowledgmentCategory }));
}
})));
}
}
exports.PresenceEventEngineDispatcher = PresenceEventEngineDispatcher;