![]() For a version of Puppeteer purely for connection, see puppeteer-core. When you install Puppeteer, it downloads a recent version of Chromium (170MB Mac, 282MB Linux, 280MB Win) that is guaranteed to work with the API (customizable through Environment Variables ). ![]() log( "CHILD: url received from parent process", url) Ĭonst browser = await puppeteer. To use Puppeteer in your project, run: npm i puppeteer or 'yarn add puppeteer'. 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. We can fork multiple child_proces in Node. Our CPU cores can run multiple processes at the same time. ![]() □ 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. 0:00 / 5:27 Puppeteer install and run firefox browser programmatically Gulshan Saini 151 subscribers Subscribe 1.3K views 2 years ago Puppeteer Tutorials In this video, I am going to show. ![]() It can only execute one process at a time. You see Node.js in its core is a single-threaded system. However, if you have to download multiple large files things start to get complicated. In this next part, we will dive deep into some of the advanced concepts. ![]()
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