nats
Version:
Node.js client for NATS, a lightweight, high-performance cloud native messaging system
140 lines • 4.53 kB
JavaScript
"use strict";
/*
* Copyright 2023-2024 The NATS Authors
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsumerApiAction = exports.StoreCompression = exports.ReplayPolicy = exports.AckPolicy = exports.DeliverPolicy = exports.StorageType = exports.DiscardPolicy = exports.RetentionPolicy = void 0;
exports.defaultConsumer = defaultConsumer;
const util_1 = require("../nats-base-client/util");
var RetentionPolicy;
(function (RetentionPolicy) {
/**
* Retain messages until the limits are reached, then trigger the discard policy.
*/
RetentionPolicy["Limits"] = "limits";
/**
* Retain messages while there is consumer interest on the particular subject.
*/
RetentionPolicy["Interest"] = "interest";
/**
* Retain messages until acknowledged
*/
RetentionPolicy["Workqueue"] = "workqueue";
})(RetentionPolicy || (exports.RetentionPolicy = RetentionPolicy = {}));
var DiscardPolicy;
(function (DiscardPolicy) {
/**
* Discard old messages to make room for the new ones
*/
DiscardPolicy["Old"] = "old";
/**
* Discard the new messages
*/
DiscardPolicy["New"] = "new";
})(DiscardPolicy || (exports.DiscardPolicy = DiscardPolicy = {}));
var StorageType;
(function (StorageType) {
/**
* Store persistently on files
*/
StorageType["File"] = "file";
/**
* Store in server memory - doesn't survive server restarts
*/
StorageType["Memory"] = "memory";
})(StorageType || (exports.StorageType = StorageType = {}));
var DeliverPolicy;
(function (DeliverPolicy) {
/**
* Deliver all messages
*/
DeliverPolicy["All"] = "all";
/**
* Deliver starting with the last message
*/
DeliverPolicy["Last"] = "last";
/**
* Deliver starting with new messages
*/
DeliverPolicy["New"] = "new";
/**
* Deliver starting with the specified sequence
*/
DeliverPolicy["StartSequence"] = "by_start_sequence";
/**
* Deliver starting with the specified time
*/
DeliverPolicy["StartTime"] = "by_start_time";
/**
* Deliver starting with the last messages for every subject
*/
DeliverPolicy["LastPerSubject"] = "last_per_subject";
})(DeliverPolicy || (exports.DeliverPolicy = DeliverPolicy = {}));
var AckPolicy;
(function (AckPolicy) {
/**
* Messages don't need to be Ack'ed.
*/
AckPolicy["None"] = "none";
/**
* Ack, acknowledges all messages with a lower sequence
*/
AckPolicy["All"] = "all";
/**
* All sequences must be explicitly acknowledged
*/
AckPolicy["Explicit"] = "explicit";
/**
* @ignore
*/
AckPolicy["NotSet"] = "";
})(AckPolicy || (exports.AckPolicy = AckPolicy = {}));
var ReplayPolicy;
(function (ReplayPolicy) {
/**
* Replays messages as fast as possible
*/
ReplayPolicy["Instant"] = "instant";
/**
* Replays messages following the original delay between messages
*/
ReplayPolicy["Original"] = "original";
})(ReplayPolicy || (exports.ReplayPolicy = ReplayPolicy = {}));
var StoreCompression;
(function (StoreCompression) {
/**
* No compression
*/
StoreCompression["None"] = "none";
/**
* S2 compression
*/
StoreCompression["S2"] = "s2";
})(StoreCompression || (exports.StoreCompression = StoreCompression = {}));
var ConsumerApiAction;
(function (ConsumerApiAction) {
ConsumerApiAction["CreateOrUpdate"] = "";
ConsumerApiAction["Update"] = "update";
ConsumerApiAction["Create"] = "create";
})(ConsumerApiAction || (exports.ConsumerApiAction = ConsumerApiAction = {}));
function defaultConsumer(name, opts = {}) {
return Object.assign({
name: name,
deliver_policy: DeliverPolicy.All,
ack_policy: AckPolicy.Explicit,
ack_wait: (0, util_1.nanos)(30 * 1000),
replay_policy: ReplayPolicy.Instant,
}, opts);
}
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