nodejs-traceroute-ts/tracert.ts

Node.js wrapper around tracert and traceroute process - TypeScript port

import getIpFlag from './flag';
import Process from './process';

class Tracert extends Process {
	constructor(ipVersion = '') {
		const args = ['-d'];

		const ipFlag = getIpFlag(ipVersion);
		if (ipFlag) {
			args.push(ipFlag);
		}

		super('tracert', args);
	}

	parseDestination(data: string) {
		const regex = /^Tracing\sroute\sto\s([a-zA-Z0-9:.]+)\s(?:\[([a-zA-Z0-9:.]+)\])?/;
		const parsedData = new RegExp(regex, '').exec(data);

		let result = null;
		if (parsedData !== null) {
			if (parsedData[2] !== undefined) {
				result = parsedData[2];
			} else {
				result = parsedData[1];
			}
		}

		return result;
	}

	parseHop(hopData: string) {
		const regex =
			/^\s*(\d*)\s*(<?\d+\sms|\*)\s*(<?\d+\sms|\*)\s*(<?\d+\sms|\*)\s*([a-zA-Z0-9:.\s]+)/;
		const parsedData = new RegExp(regex, '').exec(hopData);

		let result = null;
		if (parsedData !== null) {
			result = {
				hop: parseInt(parsedData[1], 10),
				rtt1: parsedData[2],
				rtt2: parsedData[3],
				rtt3: parsedData[4],
				ip: parsedData[5].trim()
			};
		}

		return result;
	}
}

export default Tracert;