From 13f381710c72d485915c34100a71cba6b057e828 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sat, 20 Oct 2018 09:31:52 +0900
Subject: [PATCH] Validate param

---
 src/server/api/stream/channels/hashtag.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/server/api/stream/channels/hashtag.ts b/src/server/api/stream/channels/hashtag.ts
index cf652c166c..1f99aa3539 100644
--- a/src/server/api/stream/channels/hashtag.ts
+++ b/src/server/api/stream/channels/hashtag.ts
@@ -15,6 +15,8 @@ export default class extends Channel {
 
 		const q: Array<string[]> = params.q;
 
+		if (q == null) return;
+
 		// Subscribe stream
 		this.subscriber.on('hashtag', async note => {
 			const matched = q.some(tags => tags.every(tag => note.tags.map((t: string) => t.toLowerCase()).includes(tag.toLowerCase())));