puppeteer get WSEnpoint

pptEx.js

const http = require('http');
const debug = require('debug')('spb:lib:pptEx');

function getWSEndpoint(port) {
    return new Promise((resolve, reject) => {
        http
            .get(`http://localhost:${port}/json/version`, (res) => {
                res.setEncoding('utf8');
                let rawData = '';
                res.on('data', (chunk) => {
                    rawData += chunk;
                });

                res.on('end', () => {
                    try {
                        const WSEndpoint = JSON.parse(rawData).webSocketDebuggerUrl || 0;
                        debug(`WSEndpoint: ${WSEndpoint}`);
                        resolve(WSEndpoint);
                    } catch (e) {
                        debug(`getWSEndpoint Error: ${e.message}`);
                        reject(e);
                    }
                });
            })
            .on('error', (e) => {
                debug(`getWSEndpoint Error: ${e.message}`);
                reject(e);
            });
    });
}

module.exports = { getWSEndpoint };