nats
Version:
Node.js client for NATS, a lightweight, high-performance cloud native messaging system
107 lines • 4.72 kB
JavaScript
;
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());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConsumerAPIImpl = void 0;
const jsbaseclient_api_1 = require("./jsbaseclient_api");
const jslister_1 = require("./jslister");
const jsutil_1 = require("./jsutil");
const semver_1 = require("./semver");
class ConsumerAPIImpl extends jsbaseclient_api_1.BaseApiClient {
constructor(nc, opts) {
super(nc, opts);
}
add(stream, cfg) {
var _a, _b, _c;
return __awaiter(this, void 0, void 0, function* () {
(0, jsutil_1.validateStreamName)(stream);
if (cfg.deliver_group && cfg.flow_control) {
throw new Error("jetstream flow control is not supported with queue groups");
}
if (cfg.deliver_group && cfg.idle_heartbeat) {
throw new Error("jetstream idle heartbeat is not supported with queue groups");
}
const cr = {};
cr.config = cfg;
cr.stream_name = stream;
if (cr.config.durable_name) {
(0, jsutil_1.validateDurableName)(cr.config.durable_name);
}
const nci = this.nc;
const { min, ok: newAPI } = nci.features.get(semver_1.Feature.JS_NEW_CONSUMER_CREATE_API);
const name = cfg.name === "" ? undefined : cfg.name;
if (name && !newAPI) {
throw new Error(`consumer 'name' requires server ${min}`);
}
if (name) {
const m = (0, jsutil_1.validName)(name);
if (m.length) {
throw new Error(`consumer 'name' ${m}`);
}
}
let subj;
let consumerName = "";
if (newAPI) {
consumerName = (_b = (_a = cfg.name) !== null && _a !== void 0 ? _a : cfg.durable_name) !== null && _b !== void 0 ? _b : "";
}
if (consumerName !== "") {
let fs = (_c = cfg.filter_subject) !== null && _c !== void 0 ? _c : undefined;
if (fs === ">") {
fs = undefined;
}
subj = fs !== undefined
? `${this.prefix}.CONSUMER.CREATE.${stream}.${consumerName}.${fs}`
: `${this.prefix}.CONSUMER.CREATE.${stream}.${consumerName}`;
}
else {
subj = cfg.durable_name
? `${this.prefix}.CONSUMER.DURABLE.CREATE.${stream}.${cfg.durable_name}`
: `${this.prefix}.CONSUMER.CREATE.${stream}`;
}
const r = yield this._request(subj, cr);
return r;
});
}
update(stream, durable, cfg) {
return __awaiter(this, void 0, void 0, function* () {
const ci = yield this.info(stream, durable);
const changable = cfg;
return this.add(stream, Object.assign(ci.config, changable));
});
}
info(stream, name) {
return __awaiter(this, void 0, void 0, function* () {
(0, jsutil_1.validateStreamName)(stream);
(0, jsutil_1.validateDurableName)(name);
const r = yield this._request(`${this.prefix}.CONSUMER.INFO.${stream}.${name}`);
return r;
});
}
delete(stream, name) {
return __awaiter(this, void 0, void 0, function* () {
(0, jsutil_1.validateStreamName)(stream);
(0, jsutil_1.validateDurableName)(name);
const r = yield this._request(`${this.prefix}.CONSUMER.DELETE.${stream}.${name}`);
const cr = r;
return cr.success;
});
}
list(stream) {
(0, jsutil_1.validateStreamName)(stream);
const filter = (v) => {
const clr = v;
return clr.consumers;
};
const subj = `${this.prefix}.CONSUMER.LIST.${stream}`;
return new jslister_1.ListerImpl(subj, filter, this);
}
}
exports.ConsumerAPIImpl = ConsumerAPIImpl;
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