src/main/util/webrequest.ts


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import * as https from 'https';
import * as http from 'http';

export function getRequest(url:string):Promise<any> {
  const webrequest:any = url.indexOf('https') !== -1 ? https:http;
  const t1 = Date.now();
  return new Promise((resolve, reject) => {
    webrequest.get(url, (res:any) => {
      const { statusCode } = res;

      let error;
      if (statusCode !== 200) {
        error = new Error('Request Failed.\n' +
                          `Status Code: ${statusCode}`);
      }
      if (error) {
        res.resume();
        reject(error);
      } else {
        res.setEncoding('utf8');
        let rawData = '';
        res.on('data', (chunk:any) => { rawData += chunk; });
        res.on('end', () => {
          try {
            resolve(JSON.parse(rawData));
          } catch (e) {
            reject(e);
          }
        });
      }
    }).on('error', (e:Error) => {
      reject(e);
    });
  });
}