telegraf · wojpawlik · Aug 22, 2020 · Aug 18, 2020 · Aug 18, 2020 · Aug 18, 2020
diff --git a/src/core/network/client.ts b/src/core/network/client.ts
@@ -320,9 +320,8 @@ class ApiClient {
     const { token, options, response, responseEnd } = this
 
     const payload = Object.fromEntries(
-      Object.keys(data)
-        .filter((key) => typeof data[key] !== 'undefined' && data[key] !== null)
-        .map((key) => [key, data[key]])
+      Object.entries(data)
+        .filter(([key, value]) => value != null)
     )
 
     if (

diff --git a/src/core/network/error.ts b/src/core/network/error.ts
@@ -8,7 +8,7 @@ class TelegramError extends Error {
   response: ErrorPayload
   description: string
   parameters: {}
-  constructor(readonly payload: ErrorPayload, readonly on?: unknown) {
+  constructor(payload: ErrorPayload, readonly on = {}) {
     super(`${payload.error_code}: ${payload.description}`)
     this.code = payload.error_code
     this.response = payload