번역기 define error 해결

@@ -16,6 +16,7 @@ const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
 const PAPAGO_ID = 'r_kuebFKCqBeL3SI_dFb'
 const PAPAGO_SECRET = 'Wdz2tudrzB'
 var trans = require('./trans/trans')
+var trans_counter = 0;
 //-----------------------------------------------------------
 
 const fs = require('fs');
@@ -25,10 +26,7 @@ const domain = "www.chatbotshin.tk"
 const sslport = 23023;
 const bodyParser = require('body-parser');
 
-//-----target language verification--------------
-var trans_dest = 'target=en';   // defualt = english
-var trans_trigger = 0;
-//-----------------------------------------------
+
 
 var app = express();
 
@@ -51,12 +49,13 @@ app.post('/hook', function (req, res) {
     console.log('[request message]', eventObj.message);
     //----------------------------------------------------------------------------
 
-    // language identification & translation
-    if(eventObj.message.text.indexOf('/번역')){
-        trans.trans_lng_selector();     // trans_trigger -> 1
+    //--------------------language identification & translation-------------------
+    if(eventObj.message.text.includes('/번역')){
+        console.log('번역캐치: ', eventObj.message.text);
+        trans_counter = trans.trans_lng_selector(eventObj.message.text);     // after this trans_trigger = 1
     }
-    else if(trans_trigger==1){
-        translating(eventObj.replyToken, eventObj.message.text);
+    else if(trans_counter==1){
+        trans_counter = trans.translating(eventObj.replyToken, eventObj.message.text);  // after this trans_trigger = 0
     }
         
     

@@ -11,14 +11,19 @@ const domain = "www.chatbotshin.tk"
 const sslport = 23023;
 const bodyParser = require('body-parser');
 
+//-----target language verification--------------
+var trans_dest = 'target=en';   // defualt = english
+var trans_trigger = 0;
+//-----------------------------------------------
 
 // language identification & translation
-function trans_lng_selector(){
-    if(eventObj.message.text=='/번역 영어' || eventObj.message.text=='/번역 프랑스어' || eventObj.message.text=='/번역 일본어'){
+function trans_lng_selector(message){
+    if(message=='/번역 영어' || message=='/번역 프랑스어' || message=='/번역 일본어'){
     //trans_trigger = 0 or 1;
-    trans_change(eventObj.message.text);
+    trans_change(message);
     trans_trigger = 1;
     console.log('[trans_dest]', trans_dest);
+    return trans_trigger;
     }
 }
 
@@ -57,6 +62,8 @@ function translating(replyToken, message) {
                         }
                     },(error, response, body) => {
                         console.log(body)
+                        trans_trigger=0;
+                        return trans_trigger;
                     });
             }
         });