feat(client): support sending as peer

packages/client/src/methods/messages/forward-messages.ts

@@ -282,6 +282,11 @@ export async function forwardMessages(
          * have content protection.
          */
         forbidForwards?: boolean
+
+        /**
+         * Peer to use when sending the message.
+         */
+        sendAs?: InputPeerLike
     }
 ): Promise<MaybeArray<Message>> {
     if (!params) params = {}
@@ -333,7 +338,8 @@ export async function forwardMessages(
         ),
         dropAuthor: params.noAuthor,
         dropMediaCaptions: params.noCaption,
-        noforwards: params.forbidForwards
+        noforwards: params.forbidForwards,
+        sendAs: params.sendAs ? await this.resolvePeer(params.sendAs) : undefined
     })
 
     assertIsUpdatesGroup('messages.forwardMessages', res)

packages/client/src/methods/messages/send-media-group.ts

@@ -113,6 +113,11 @@ export async function sendMediaGroup(
          * have content protection.
          */
         forbidForwards?: boolean
+
+        /**
+         * Peer to use when sending the message.
+         */
+        sendAs?: InputPeerLike
     }
 ): Promise<Message[]> {
     if (!params) params = {}
@@ -188,7 +193,8 @@ export async function sendMediaGroup(
         scheduleDate: normalizeDate(params.schedule),
         replyMarkup,
         clearDraft: params.clearDraft,
-        noforwards: params.forbidForwards
+        noforwards: params.forbidForwards,
+        sendAs: params.sendAs ? await this.resolvePeer(params.sendAs) : undefined
     })
 
     assertIsUpdatesGroup('_findMessageInUpdate', res)

packages/client/src/methods/messages/send-media.ts

@@ -122,6 +122,11 @@ export async function sendMedia(
          * have content protection.
          */
         forbidForwards?: boolean
+
+        /**
+         * Peer to use when sending the message.
+         */
+        sendAs?: InputPeerLike
     }
 ): Promise<Message> {
     if (!params) params = {}
@@ -178,7 +183,8 @@ export async function sendMedia(
         message,
         entities,
         clearDraft: params.clearDraft,
-        noforwards: params.forbidForwards
+        noforwards: params.forbidForwards,
+        sendAs: params.sendAs ? await this.resolvePeer(params.sendAs) : undefined
     })
 
     const msg = this._findMessageInUpdate(res)

packages/client/src/methods/messages/send-text.ts

@@ -109,6 +109,11 @@ export async function sendText(
          * have content protection.
          */
         forbidForwards?: boolean
+
+        /**
+         * Peer to use when sending the message.
+         */
+        sendAs?: InputPeerLike
     }
 ): Promise<Message> {
     if (!params) params = {}
@@ -154,7 +159,8 @@ export async function sendText(
         message,
         entities,
         clearDraft: params.clearDraft,
-        noforwards: params.forbidForwards
+        noforwards: params.forbidForwards,
+        sendAs: params.sendAs ? await this.resolvePeer(params.sendAs) : undefined
     })
 
     if (res._ === 'updateShortSentMessage') {