From 1c58cf1916170cb53470034082812794a878779c Mon Sep 17 00:00:00 2001
From: passion-27 <passion.dev.27@gmail.com>
Date: Sat, 18 Nov 2017 23:21:52 +0300
Subject: [PATCH] src: Improve default error logging of `polling_error`,
 `webhook_error`

References:

  * BR: https://github.com/yagop/node-telegram-bot-api/issues/377
---
 CHANGELOG.md           | 6 +++++-
 src/errors.js          | 6 ++++++
 src/telegramPolling.js | 2 +-
 src/telegramWebHook.js | 2 +-
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c0a653..0d8af7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,11 +11,15 @@ Added:
    friends e.g. `text`, `audio`, etc.) (#409) (by @jlsjonas, @GochoMugo)
 1. Add support for Node.js v9 (by @GochoMugo)
 1. Document *TelegramBot.errors*, *TelegramBot.messageTypes* (by @GochoMugo)
-1. Fix game example (by @MCSH)
 
 Changed:
 
 1. Update *TelegramBot#answerCallbackQuery()* signature (by @GochoMugo)
+1. Improve default error logging of `polling_error` and `webhook_error`
+
+Fixed:
+
+1. Fix game example (by @MCSH)
 
 
 * * *
diff --git a/src/errors.js b/src/errors.js
index a4bffd3..5dd89e7 100644
--- a/src/errors.js
+++ b/src/errors.js
@@ -10,6 +10,12 @@ exports.BaseError = class BaseError extends Error {
     super(`${code}: ${message}`);
     this.code = code;
   }
+  toJSON() {
+    return {
+      code: this.code,
+      message: this.message,
+    };
+  }
 };
 
 
diff --git a/src/telegramPolling.js b/src/telegramPolling.js
index 54e3e89..0c43bd2 100644
--- a/src/telegramPolling.js
+++ b/src/telegramPolling.js
@@ -102,7 +102,7 @@ class TelegramBotPolling {
         if (this.bot.listeners('polling_error').length) {
           this.bot.emit('polling_error', err);
         } else {
-          console.error(err); // eslint-disable-line no-console
+          console.error('error: [polling_error] %j', err); // eslint-disable-line no-console
         }
         return null;
       })
diff --git a/src/telegramWebHook.js b/src/telegramWebHook.js
index 2ca20a3..f7233b1 100644
--- a/src/telegramWebHook.js
+++ b/src/telegramWebHook.js
@@ -97,7 +97,7 @@ class TelegramBotWebHook {
    */
   _error(error) {
     if (!this.bot.listeners('webhook_error').length) {
-      return console.error(error); // eslint-disable-line no-console
+      return console.error('error: [webhook_error] %j', error); // eslint-disable-line no-console
     }
     return this.bot.emit('webhook_error', error);
   }