feat(core): withParams method

packages/core/scripts/generate-client.cjs

@@ -264,6 +264,8 @@ async function addSingleMethod(state, fileName) {
         } else if (stmt.kind === ts.SyntaxKind.FunctionDeclaration) {
             const name = stmt.name.escapedText
 
+            if (checkForFlag(stmt, '@skip')) { continue }
+
             if (stmt.body && name in state.methods.used) {
                 throwError(
                     stmt.name,
@@ -345,7 +347,6 @@ async function addSingleMethod(state, fileName) {
                 state.methods.used[name] = relPath
             }
 
-            if (isExported || isDeclare) {
             const isPrivate = checkForFlag(stmt, '@internal')
             const isManual = checkForFlag(stmt, '@manual')
             const isNoemit = checkForFlag(stmt, '@noemit')
@@ -381,7 +382,6 @@ async function addSingleMethod(state, fileName) {
                     }
                 }
             }
-            }
         } else if (stmt.kind === ts.SyntaxKind.InterfaceDeclaration) {
             if (isCopy) {
                 state.copy.push({
@@ -482,6 +482,7 @@ async function main() {
         if (!items.length) return
         output.write(`import { ${items.sort().join(', ')} } from '${module}'\n`)
     })
+    output.write("import { withParams } from './methods/misc/with-params.js'")
 
     output.write('\n')
 
@@ -518,7 +519,15 @@ on(name: '${type.typeName}', handler: ((upd: ${type.updateType}) => void)): this
 
     output.write(`
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-on(name: string, handler: (...args: any[]) => void): this\n`)
+on(name: string, handler: (...args: any[]) => void): this\n
+
+/**
+ * Wrap this client so that all RPC calls will use the specified parameters.
+ * 
+ * @param params  Parameters to use
+ * @returns  Wrapped client
+ */
+withParams(params: RpcCallOptions): this\n`)
 
     const printer = ts.createPrinter()
 
@@ -703,7 +712,13 @@ on(name: string, handler: (...args: any[]) => void): this\n`)
     output.write('}\n')
 
     classContents.forEach((line) => output.write(line + '\n'))
+
+    output.write(`    withParams(params: RpcCallOptions): this {
+        return withParams(this, params)
+    }\n`)
+
     output.write('}\n')
+
     classProtoDecls.forEach((line) => output.write(line + '\n'))
     // proxied methods
     ;[

packages/core/src/highlevel/client.ts

@@ -7,6 +7,7 @@ import Long from 'long'
 import { tdFileId } from '@mtcute/file-id'
 import { tl } from '@mtcute/tl'
 
+import { RpcCallOptions } from '../network/index.js'
 import { MaybeArray, MaybePromise, MtUnsupportedError, PartialExcept, PartialOnly } from '../types/index.js'
 import { BaseTelegramClient, BaseTelegramClientOptions } from './base.js'
 import { ITelegramClient } from './client.types.js'
@@ -169,6 +170,7 @@ import { unpinAllMessages } from './methods/messages/unpin-all-messages.js'
 import { unpinMessage } from './methods/messages/unpin-message.js'
 import { initTakeoutSession } from './methods/misc/init-takeout-session.js'
 import { _normalizePrivacyRules } from './methods/misc/normalize-privacy-rules.js'
+import { withParams } from './methods/misc/with-params.js'
 import { changeCloudPassword } from './methods/password/change-cloud-password.js'
 import { enableCloudPassword } from './methods/password/enable-cloud-password.js'
 import { cancelPasswordEmail, resendPasswordEmail, verifyPasswordEmail } from './methods/password/password-email.js'
@@ -313,7 +315,6 @@ import {
 } from './types/index.js'
 import { makeParsedUpdateHandler, ParsedUpdateHandlerParams } from './updates/parsed.js'
 import { StringSessionData } from './utils/string-session.js'
-
 // from methods/_init.ts
 // @copy
 type TelegramClientOptions = (
@@ -512,6 +513,14 @@ export interface TelegramClient extends ITelegramClient {
 
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     on(name: string, handler: (...args: any[]) => void): this
+
+    /**
+     * Wrap this client so that all RPC calls will use the specified parameters.
+     *
+     * @param params  Parameters to use
+     * @returns  Wrapped client
+     */
+    withParams(params: RpcCallOptions): this
     /**
      * Check your Two-Step verification password and log in
      *
@@ -5177,6 +5186,9 @@ export class TelegramClient extends EventEmitter implements ITelegramClient {
             }),
         )
     }
+    withParams(params: RpcCallOptions): this {
+        return withParams(this, params)
+    }
 }
 
 TelegramClient.prototype.checkPassword = function (...args) {

packages/core/src/highlevel/methods/_imports.ts

@@ -5,6 +5,8 @@ import { tdFileId } from '@mtcute/file-id'
 // @copy
 import { tl } from '@mtcute/tl'
 
+// @copy
+import { RpcCallOptions } from '../../network/index.js'
 // @copy
 import { MaybeArray, MaybePromise, MtUnsupportedError, PartialExcept, PartialOnly } from '../../types/index.js'
 // @copy

packages/core/src/highlevel/methods/misc/with-params.ts

@@ -0,0 +1,37 @@
+import { tl } from '@mtcute/tl'
+
+import { RpcCallOptions } from '../../../network/index.js'
+import { ITelegramClient } from '../../client.types.js'
+
+// @skip
+/**
+ * Wrap a client so that all RPC calls will use the specified parameters.
+ *
+ * @param client Client to wrap
+ * @param params RPC call parameters to use by default
+ * @returns The wrapped client
+ */
+export function withParams<T extends ITelegramClient>(client: T, params: RpcCallOptions): T {
+    const wrappedCall = (message: tl.RpcMethod, extraParams?: RpcCallOptions) =>
+        client.call(message, extraParams ? { ...params, ...extraParams } : params)
+
+    const proxy: T = new Proxy<T>(client, {
+        get: (target, prop, receiver) => {
+            if (prop === 'call') {
+                return wrappedCall
+            }
+
+            if (prop === '_client') {
+                // ideally we would wrap it as well, but it's not really needed, since TelegramClient
+                // TelegramClient stores underlying client in _client
+                // itself implements ITelegramClient
+                // very much a hack, but i dont care :D
+                return proxy
+            }
+
+            return Reflect.get(target, prop, receiver)
+        },
+    })
+
+    return proxy
+}