update bot code

libs/botClient.js

@@ -3,33 +3,51 @@ const config = require('../config')
 const dbPool = require('./database')
 const request = require('request')
 const log = require('debug')('BOT:IRC')
-const { msgSplit } = require('./twitchParser')
+const {
+  msgSplit
+} = require('./twitchParser')
 
-const ws = new WebSocket(`wss://${config.twitch.chat_host}:443`, 'irc')
+/** @type {WebSocket} */
+var ws = null
 
-ws.on('open', handleOpen)
+runBot()
 
-ws.on('message', handleMessage)
+function runBot() {
+  ws = new WebSocket(`wss://${config.twitch.chat_host}:443`, 'irc')
 
-ws.on('error', (err) => {
+  ws.on('open', handleOpen)
+
+  ws.on('message', handleMessage)
+
+  ws.on('error', handleError)
+
+  ws.on('close', handleExit)
+}
+
+function handleError(err) {
   console.error(err)
-})
+  ws = null
+  runBot()
+  // do reconnect
+}
 
-ws.on('close', (code, reason) => {
-  console.log('exit', code, reason)
-})
+function handleExit(code) {
+  // do reconnect
+  ws = null
+  runBot()
+}
 
-function handleMessage (data) {
+function handleMessage(data) {
   let d = data.toString()
   let darr = d.split(/\n/).filter(t => t).map(t => t.replace(/\r$/, ''))
 
   for (let i in darr) {
     log(darr[i])
-    msgSplit(ws, darr[i]).then(() => { })
+    msgSplit(ws, darr[i]).then(() => {})
   }
 }
 
-async function handleOpen () {
+async function handleOpen() {
   let db = await dbPool.connect()
 
   let body = null
@@ -61,7 +79,7 @@ async function handleOpen () {
   } catch (err) {
     console.log(err)
   }
-  
+
   if (body === null || !('access_token' in body)) throw new Error('access token not found')
 
   ws.send('PASS oauth:' + body.access_token)
@@ -81,4 +99,4 @@ async function handleOpen () {
   }
 }
 
-module.exports = ws
+module.exports = ws