![]() Puppeteer quick start Install and run Puppeteer. Get started Overview of Puppeteer An explanation of what Puppeteer is and the things it can do. It can also be configured to use full (non-headless) Chrome or Chromium. log( "CHILD: url received from parent process", url) Ĭonst browser = await puppeteer. Puppeteer is a Node library which provides a high-level API to control headless Chrome or Chromium over the DevTools Protocol. The code snippet below is a simple example of running parallel downloads with Puppeteer.Ĭonst downloadPath = path. □ If you are not familiar with how child process work in Node I highly encourage you to give this article a read. We can combine the child process module with our Puppeteer script and download files in parallel. Child process is how Node.js handles parallel programming. Free software: MIT license (including the work. We can fork multiple child_proces in Node. Unofficial Python port of puppeteer JavaScript (headless) chrome/chromium browser automation library. Our CPU cores can run multiple processes at the same time. How do I download files from puppeteer How do I change the download location in puppeteer Download Images or Files PUPPETEER NodeJS p.6. □ Learn more about the single threaded architecture of node here Therefore if we have to download 10 files each 1 gigabyte in size and each requiring about 3 mins to download then with a single process we will have to wait for 10 x 3 = 30 minutes for the task to finish. It can only execute one process at a time. You see Node.js in its core is a single-threaded system. ![]() Puppeteer runs headless by default, which means you wont see the browser running but it can. However, if you have to download multiple large files things start to get complicated. Images downloaded from the Bannerbear page using Puppeteer. In this next part, we will dive deep into some of the advanced concepts. ![]()
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