api: add support for redis to ratelimiter cache

api/src/store/redis-ratelimit.js

@@ -0,0 +1,19 @@
+import { env } from "../config.js";
+
+let client, redis, redisLimiter;
+
+export const createStore = async (name) => {
+    if (!env.redisURL) return;
+
+    if (!client) {
+        redis = await import('redis');
+        redisLimiter = await import('rate-limit-redis');
+        client = redis.createClient({ url: env.redisURL });
+        await client.connect();
+    }
+
+    return new redisLimiter.default({
+        prefix: `RL${name}_`,
+        sendCommand: (...args) => client.sendCommand(args),
+    });
+}