tweb/src/types.d.ts

import {AuthSentCode} from './layer';
import type {ApiError} from './lib/mtproto/apiManager';

export type DcId = number;
export type TrueDcId = 1 | 2 | 3 | 4 | 5;
export type DcAuthKey = `dc${TrueDcId}_auth_key`;
export type DcServerSalt = `dc${TrueDcId}_server_salt`;

export type InvokeApiOptions = Partial<{
  dcId: DcId,
  floodMaxTimeout: number,
  noErrorBox: true,
  fileUpload: true,
  ignoreErrors: true,
  fileDownload: true,
  createNetworker: true,
  singleInRequest: true,
  startMaxLength: number,

  prepareTempMessageId: string,
  afterMessageId: string,
  resultType: string,

  timeout: number,
  waitTime: number,
  stopTime: number,
  rawError: any
}>;

export type WorkerTaskTemplate = {
  type: string,
  id: number,
  payload?: any,
  error?: ApiError
};

export type WorkerTaskVoidTemplate = Omit<WorkerTaskTemplate, 'id'>;

export type Modify<T, R> = Omit<T, keyof R> & R;

// export type Parameters<T> = T extends (... args: infer T) => any ? T : never;

export type ArgumentTypes<F extends Function> = F extends (...args: infer A) => any ? A : never;
export type SuperReturnType<F extends Function> = F extends (...args: any) => any ? ReturnType<F> : never;
export declare function assumeType<T>(x: unknown): asserts x is T;

export type AnyLiteral = Record<string, any>;
export type AnyClass = new (...args: any[]) => any;
export type AnyFunction = (...args: any) => any;
export type AnyToVoidFunction = (...args: any) => void;
export type NoneToVoidFunction = () => void;

export type Awaited<T> = T extends PromiseLike<infer U> ? Awaited<U> : T;

// https://stackoverflow.com/a/60762482/6758968
type Shift<A extends Array<any>> = ((...args: A) => void) extends ((...args: [A[0], ...infer R]) => void) ? R : never;

type GrowExpRev<A extends Array<any>, N extends number, P extends Array<Array<any>>> = A['length'] extends N ? A : {
  0: GrowExpRev<[...A, ...P[0]], N, P>,
  1: GrowExpRev<A, N, Shift<P>>
}[[...A, ...P[0]][N] extends undefined ? 0 : 1];

type GrowExp<A extends Array<any>, N extends number, P extends Array<Array<any>>> = A['length'] extends N ? A : {
  0: GrowExp<[...A, ...A], N, [A, ...P]>,
  1: GrowExpRev<A, N, P>
}[[...A, ...A][N] extends undefined ? 0 : 1];

export type FixedSizeArray<T, N extends number> = N extends 0 ? [] : N extends 1 ? [T] : GrowExp<[T, T], N, [[T]]>;

// taken somewhere from stackoverflow
// First, define a type that, when passed a union of keys, creates an object which
// cannot have those properties. I couldn't find a way to use this type directly,
// but it can be used with the below type.
type Impossible<K extends keyof any> = {
  [P in K]: never;
};

// The secret sauce! Provide it the type that contains only the properties you want,
// and then a type that extends that type, based on what the caller provided
// using generics.
type NoExtraProperties<T, U extends T = T> = U & Impossible<Exclude<keyof U, keyof T>>;

type ModifyFunctionsToAsync<T> = {
  [key in keyof T]: T[key] extends (...args: infer A) => infer R ? (R extends PromiseLike<infer O> ? T[key] : (...args: A) => Promise<Awaited<R>>) : T[key]
};

export type Mutable<T> = {
  -readonly [K in keyof T]: T[K];
};

export type AuthState = AuthState.signIn | AuthState.signQr | AuthState.authCode | AuthState.password | AuthState.signUp | AuthState.signedIn | AuthState.signImport;
export namespace AuthState {
  export type signIn = {
    _: 'authStateSignIn'
  };

  export type signQr = {
    _: 'authStateSignQr'
  };

  export type authCode = {
    _: 'authStateAuthCode',
    sentCode: AuthSentCode.authSentCode
  };

  export type password = {
    _: 'authStatePassword'
  };

  export type signUp = {
    _: 'authStateSignUp',
    authCode: {
      phone_number: string,
      phone_code_hash: string
    }
  };

  export type signedIn = {
    _: 'authStateSignedIn'
  };

  export type signImport = {
    _: 'authStateSignImport',
    data: {
      token: string,
      userId: UserId,
      dcId: DcId,
      isTest: boolean,
      tgAddr: string
    }
  };
}

export type SendMessageEmojiInteractionData = {
  a: {t: number, i: 1}[],
  v: 1
};

/**
 * @link https://core.telegram.org/api/web-events#postmessage-api
 */
export type TelegramWebviewEventMap = {
  payment_form_submit: {
    credentials: any,
    title: string
  },
  web_app_open_tg_link: {
    path_full: string // '/username'
  }
};

export type TelegramWebviewSerializedEvent<T extends keyof TelegramWebviewEventMap> = {
  eventType: T,
  eventData: TelegramWebviewEventMap[T]
};

export type TelegramWebviewSerializedEvents = {
  [type in keyof TelegramWebviewEventMap]: TelegramWebviewSerializedEvent<type>
};

export type TelegramWebviewEvent = TelegramWebviewSerializedEvents[keyof TelegramWebviewEventMap];
export type TelegramWebviewEventCallback = (event: TelegramWebviewEvent) => void;