Debug node.js requests with Fiddler

fiddler.ts

/* Adapted from: https://weblogs.asp.net/dixin/use-fiddler-with-node-js 

/* Usage:
     import { Fiddler } from './../src/helpers/fiddler';
     ...
     Fiddler.proxyRequests();
*/
import * as url from 'url';
import * as http from 'http';

const proxy = {
    protocol: 'http:',
    hostname: '127.0.0.1',
    port    : 8888,
};

export class Fiddler {
    public static proxyRequests(): void {
        const proxyUrl = url.format(proxy);
        process.env.http_proxy = proxyUrl;
        process.env.https_proxy = proxyUrl;
        process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
    }

    public static unproxyRequests(): void {
        process.env.http_proxy = '';
        process.env.https_proxy = '';
        process.env.NODE_TLS_REJECT_UNAUTHORIZED = '';
    }
}