From 7280ac7f3571f30df3f9237b0a00378901798eea Mon Sep 17 00:00:00 2001
From: Migan178 <migan9857@gmail.com>
Date: Tue, 24 Jan 2023 14:24:52 +0900
Subject: [PATCH] fix: array shuffle system

---
 src/ChatBot.ts | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/ChatBot.ts b/src/ChatBot.ts
index b211d26..a21d6d2 100644
--- a/src/ChatBot.ts
+++ b/src/ChatBot.ts
@@ -2,6 +2,19 @@ import sqlite3 from 'sqlite3'
 import { ResponseData } from './types'
 import { Message } from 'discord.js'
 
+function arrayShuffle<T>(array: T[]): T[] {
+  array = [...array]
+
+  for (let i = array.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1))
+    const temp = array[i]
+    array[i] = array[j]
+    array[j] = temp
+  }
+
+  return array
+}
+
 export default class ChatBot {
   private db: sqlite3.Database
   public constructor(dbPath: string) {
@@ -12,8 +25,8 @@ export default class ChatBot {
     this.db.all('select * from statement', [], (err, rows: ResponseData[]) => {
       if (err) throw err
       const a = msg.content.replace('머핀아', '')
-      const data: ResponseData[] = [...rows]
-      data.sort(() => Math.random() - 0.5)
+      const data = arrayShuffle([...rows])
+      console.log(data)
       let r = data[0].text
       if (!r) r = '살ㄹ려주세요'
       console.log(`⌨️ㅣ${a}`)