4nm/dist/InitData/utils.js

TypeScript reimplementation of Telegram's official library for communicating with Telegram Web Apps.

import { createJSONStructParser, createSearchParamsSchemaParser, parseJSONParamAsInt, parseJSONParamAsOptBool, parseJSONParamAsOptString, parseJSONParamAsString, parseSearchParamAsDate, parseSearchParamAsOptDate, parseSearchParamAsOptString, parseSearchParamAsString, } from '../parsing';
/**
 * Returns minimum, default and empty init data information.
 */
export function getEmptyInitData() {
    return { authDate: new Date(), hash: '' };
}
/**
 * Parses string as User. In case, value is null, returns null.
 */
const parseUser = createJSONStructParser({
    id: ['id', parseJSONParamAsInt],
    isBot: ['is_bot', parseJSONParamAsOptBool],
    firstName: ['first_name', parseJSONParamAsString],
    lastName: ['last_name', parseJSONParamAsOptString],
    username: ['username', parseJSONParamAsOptString],
    languageCode: ['language_code', parseJSONParamAsOptString],
    isPremium: ['is_premium', parseJSONParamAsOptBool],
    photoUrl: ['photo_url', parseJSONParamAsOptString],
}, true);
/**
 * Parses string as Chat. In case, value is null, returns null.
 */
const parseChat = createJSONStructParser({
    id: ['id', parseJSONParamAsInt],
    title: ['title', parseJSONParamAsString],
    type: ['type', parseJSONParamAsString],
    username: ['username', parseJSONParamAsOptString],
    photoUrl: ['photo_url', parseJSONParamAsOptString],
}, true);
/**
 * Extract init data from query string or URLSearchParams.
 * @see createSearchParamsSchemaParser
 */
export const extractInitData = createSearchParamsSchemaParser({
    queryId: ['query_id', parseSearchParamAsOptString],
    user: ['user', parseUser],
    receiver: ['receiver', parseUser],
    chat: ['chat', parseChat],
    startParam: ['start_param', parseSearchParamAsOptString],
    canSendAfter: ['can_send_after', parseSearchParamAsOptDate],
    authDate: ['auth_date', parseSearchParamAsDate],
    hash: ['hash', parseSearchParamAsString],
});