35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
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import { REDIS_URL, REDIS_PASSWORD, QUEUE_PREFIX } from "@mcpedia/config";
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import IORedis, { type RedisOptions } from "ioredis";
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/**
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* Shared ioredis connection for BullMQ. BullMQ requires an ioredis instance and
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* internally duplicates it for blocking commands, so we keep the option objects
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* explicit (maxRetriesPerRequest: null is REQUIRED for the blocking
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* connection — a finite retry count causes "Connection in key mode" errors).
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*/
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function buildOptions(): RedisOptions {
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const opts: RedisOptions = {
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maxRetriesPerRequest: null,
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lazyConnect: true,
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enableOfflineQueue: true,
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};
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if (REDIS_PASSWORD) opts.password = REDIS_PASSWORD;
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return opts;
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}
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let _connection: IORedis | null = null;
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/** Lazily-created singleton ioredis connection. */
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export function getConnection(): IORedis {
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if (!_connection) {
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_connection = new IORedis(REDIS_URL, buildOptions());
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_connection.on("error", (err) => {
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// Log but don't crash the process on transient Redis errors.
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console.error("[queue] redis error:", err.message);
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});
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}
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return _connection;
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}
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export const BULLMQ_PREFIX = QUEUE_PREFIX;
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