@ewizardjs/prerenderer/renderers/renderer-puppeteer/es6/get-instance.js

Fast, flexible, framework-agnostic prerendering for sites and SPAs.

const puppeteer = require('puppeteer');
const axios = require('axios');
let webSocketDebuggerUrl = null;

module.exports = async function getInstance(options) {
  const { browserUrl } = options;
  if (browserUrl) {
    if (webSocketDebuggerUrl === null) {
      webSocketDebuggerUrl = axios.get(browserUrl + '/json/version').then(response => response.data.webSocketDebuggerUrl);
    }

    return puppeteer.connect({
      browserWSEndpoint: await webSocketDebuggerUrl
    });
  }
  return puppeteer.launch(options);
};