src/telegram: Update TelegramBot#answerCallbackQuery() signature

Feature:

  The signature is inconsistent from other methods in TelegramBot.
  Make it consistent.

References:

    * FR: https://github.com/yagop/node-telegram-bot-api/issues/367
    * PR: https://github.com/yagop/node-telegram-bot-api/pull/368
    * PR-by: @mnb3000

doc/api.hbs

@@ -15,3 +15,4 @@
 [setWebHook-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#telegrambotsetwebhookurl-cert
 [getUpdates-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#TelegramBot+getUpdates
 [getUserProfilePhotos-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#TelegramBot+getUserProfilePhotos
+[answerCallbackQuery-v0.27.1]:https://github.com/yagop/node-telegram-bot-api/blob/v0.27.1/doc/api.md#TelegramBot+answerCallbackQuery

doc/api.md

@@ -47,7 +47,7 @@ TelegramBot
     * [.setChatDescription(chatId, description)](#TelegramBot+setChatDescription) ⇒ <code>Promise</code>
     * [.pinChatMessage(chatId, messageId)](#TelegramBot+pinChatMessage) ⇒ <code>Promise</code>
     * [.unpinChatMessage(chatId)](#TelegramBot+unpinChatMessage) ⇒ <code>Promise</code>
-    * [.answerCallbackQuery(callbackQueryId, text, showAlert, [options])](#TelegramBot+answerCallbackQuery) ⇒ <code>Promise</code>
+    * [.answerCallbackQuery([options])](#TelegramBot+answerCallbackQuery) ⇒ <code>Promise</code>
     * [.editMessageText(text, [options])](#TelegramBot+editMessageText) ⇒ <code>Promise</code>
     * [.editMessageCaption(caption, [options])](#TelegramBot+editMessageCaption) ⇒ <code>Promise</code>
     * [.editMessageReplyMarkup(replyMarkup, [options])](#TelegramBot+editMessageReplyMarkup) ⇒ <code>Promise</code>
@@ -569,20 +569,20 @@ Returns True on success.
 
 <a name="TelegramBot+answerCallbackQuery"></a>
 
-### telegramBot.answerCallbackQuery(callbackQueryId, text, showAlert, [options]) ⇒ <code>Promise</code>
+### telegramBot.answerCallbackQuery([options]) ⇒ <code>Promise</code>
 Use this method to send answers to callback queries sent from
 inline keyboards. The answer will be displayed to the user as
 a notification at the top of the chat screen or as an alert.
 On success, True is returned.
 
+This method has an [older, compatible signature][answerCallbackQuery-v0.27.1]
+that is being deprecated.
+
 **Kind**: instance method of <code>[TelegramBot](#TelegramBot)</code>  
 **See**: https://core.telegram.org/bots/api#answercallbackquery  
 
 | Param | Type | Description |
 | --- | --- | --- |
-| callbackQueryId | <code>Number</code> &#124; <code>String</code> | Unique identifier for the query to be answered |
-| text | <code>String</code> | Text of the notification. If not specified, nothing will be shown to the user |
-| showAlert | <code>Boolean</code> | Whether to show an alert or a notification at the top of the screen |
 | [options] | <code>Object</code> | Additional Telegram query options |
 
 <a name="TelegramBot+editMessageText"></a>
@@ -981,3 +981,4 @@ Use this method to confirm shipping of a product.
 [setWebHook-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#telegrambotsetwebhookurl-cert
 [getUpdates-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#TelegramBot+getUpdates
 [getUserProfilePhotos-v0.25.0]:https://github.com/yagop/node-telegram-bot-api/tree/4e5a493cadfaad5589a8d79e55d9e0d103000ce4#TelegramBot+getUserProfilePhotos
+[answerCallbackQuery-v0.27.1]:https://github.com/yagop/node-telegram-bot-api/blob/v0.27.1/doc/api.md#TelegramBot+answerCallbackQuery

src/telegram.js

@@ -1001,17 +1001,27 @@ class TelegramBot extends EventEmitter {
    * a notification at the top of the chat screen or as an alert.
    * On success, True is returned.
    *
-   * @param  {Number|String} callbackQueryId  Unique identifier for the query to be answered
+   * This method has an [older, compatible signature][answerCallbackQuery-v0.27.1]
-   * @param  {String} text  Text of the notification. If not specified, nothing will be shown to the user
+   * that is being deprecated.
-   * @param  {Boolean} showAlert  Whether to show an alert or a notification at the top of the screen
+   *
    * @param  {Object} [options] Additional Telegram query options
    * @return {Promise}
    * @see https://core.telegram.org/bots/api#answercallbackquery
    */
-  answerCallbackQuery(callbackQueryId, text, showAlert, form = {}) {
+  answerCallbackQuery(form = {}) {
-    form.callback_query_id = callbackQueryId;
+    /* The older method signature was answerCallbackQuery(callbackQueryId, text, showAlert).
-    form.text = text;
+     * We need to ensure backwards-compatibility while maintaining
-    form.show_alert = showAlert;
+     * consistency of the method signatures throughout the library */
+    if (typeof form !== 'object') {
+      /* eslint-disable no-param-reassign, prefer-rest-params */
+      deprecate('The method signature answerCallbackQuery(callbackQueryId, text, showAlert) has been deprecated since v0.27.1');
+      form = {
+        callback_query_id: arguments[0],
+        text: arguments[1],
+        show_alert: arguments[2],
+      };
+      /* eslint-enable no-param-reassign, prefer-rest-params */
+    }
     return this._request('answerCallbackQuery', { form });
   }