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Fix params allowed_updates on Telegram bot polling whenever it's an array #1270

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Fix params allowed_updates on Telegram bot polling whenever it's an array #1270

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4af0635
fix: stringify allowed_updates if it's an array on getUpdates
alfanzain Sep 6, 2025
9478054
docs: update api documentation
alfanzain Sep 6, 2025
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1 change: 1 addition & 0 deletions doc/api.md
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Original file line number Diff line number Diff line change
Expand Up @@ -209,6 +209,7 @@ Emits `message` when a message arrives.
| [options.polling.autoStart] | <code>Boolean</code> | <code>true</code> | Start polling immediately |
| [options.polling.params] | <code>Object</code> | | Parameters to be used in polling API requests. See https://core.telegram.org/bots/api#getupdates for more information. |
| [options.polling.params.timeout] | <code>Number</code> | <code>10</code> | Timeout in seconds for long polling. |
| [options.polling.params.allowed_updates] | <code>Array</code> \| <code>String</code> | | A JSON-serialized list of the update types you want your bot to receive. For example, specify ["message", "edited_channel_post", "callback_query"] to only receive updates of these types. |
| [options.webHook] | <code>Boolean</code> \| <code>Object</code> | <code>false</code> | Set true to enable WebHook or set options |
| [options.webHook.host] | <code>String</code> | <code>&quot;0.0.0.0&quot;</code> | Host to bind to |
| [options.webHook.port] | <code>Number</code> | <code>8443</code> | Port to bind to |
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8 changes: 8 additions & 0 deletions src/telegram.js
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Expand Up @@ -130,6 +130,8 @@ class TelegramBot extends EventEmitter {
* @param {Object} [options.polling.params] Parameters to be used in polling API requests.
* See https://core.telegram.org/bots/api#getupdates for more information.
* @param {Number} [options.polling.params.timeout=10] Timeout in seconds for long polling.
* @param {Array<String>|String} [options.polling.params.allowed_updates] A JSON-serialized list of the update types you want your bot to receive.
* For example, specify ["message", "edited_channel_post", "callback_query"] to only receive updates of these types.
* @param {Boolean|Object} [options.webHook=false] Set true to enable WebHook or set options
* @param {String} [options.webHook.host="0.0.0.0"] Host to bind to
* @param {Number} [options.webHook.port=8443] Port to bind to
Expand Down Expand Up @@ -923,6 +925,12 @@ class TelegramBot extends EventEmitter {
/* eslint-enable no-param-reassign, prefer-rest-params */
}

// If allowed_updates is present and is an array, stringify it.
// If it's already a string (e.g., user did JSON.stringify), leave as is.
if (form.allowed_updates) {
form.allowed_updates = stringify(form.allowed_updates);
}

return this._request('getUpdates', { form });
}

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