node-vk-api-bot/dist/request.js

A library that helps you to create chat-bot for group or user

import http from 'http';
import https from 'https';
export default (() => {
    const isFetchSupported = 'fetch' in global;
    function request(url, options, callback) {
        const hasCb = !!(callback && typeof callback === 'function');
        const data = (() => {
            if (isFetchSupported)
                return fetch(url, options).then(d => d.json());
            return new Promise((res, rej) => {
                (() => {
                    if (typeof url === 'string'
                        ? url.match(/(?<=^http)s(?=:\/\/)/i)
                        : url.protocol.startsWith('https'))
                        return https;
                    return http;
                })().request(url, Object.assign(Object.assign({}, options), { headers: ((h) => {
                        const defaultHeaders = {
                            'Content-Type': 'application/json',
                            Connection: 'close',
                        };
                        if (!h)
                            return defaultHeaders;
                        if (h instanceof Headers)
                            return Object.fromEntries(h.entries());
                        if (Array.isArray(h))
                            return Object.fromEntries(h);
                        return Object.assign(Object.assign({}, defaultHeaders), h);
                    })(options.headers), method: options.method, signal: options.signal || undefined }), (response) => {
                    let data = '';
                    response.on('error', rej)
                        .on('data', (chunk) => {
                        data += chunk;
                    }).on('end', () => res(JSON.parse(data)));
                }).end();
            });
        })();
        if (hasCb) {
            data.then(d => callback(null, d), e => callback(e, null));
            return;
        }
        return data;
    }
    return request;
})();