Generating the PDF First, we have to install the Puppeteer Sharp Nuget. I would be grateful for any piece of advice. Free Download By default the gridview is populated in the page load event itself. I've tried to initialize new CDP session, doesn't seem to do anything, then I've tried to wait for various amount of time in case that the page is not fully loaded. Var sports = await container.QuerySelectorAllAsync( ". To do this, we need to import the path package and configure a downloadPath, and then bind the ('tDownloadBehavior') with a custom configuration. Var container = await this._page.WaitForSelectorAsync( ". The download handler We need to bind a local folder to be the download folder for the puppeteer. log( "CHILD: url received from parent process", url) Ĭonst browser = await puppeteer.Private async Task NavigateToSportAsync() The code snippet below is a simple example of running parallel downloads with Puppeteer.Ĭonst downloadPath = path. to generate PDFs, so feel free to play around with the code. 💡 If you are not familiar with how child process work in Node I highly encourage you to give this article a read. Import Puppeteer Method 1: Downloading PDF from a Web Page Using URL Step 1. 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. Free Download By default the gridview is populated in the page load event. One cool thing is that Puppeteer Sharp supports Chromium-based browsers (Google Chrome, Microsoft Edge), but. Our CPU cores can run multiple processes at the same time. Generating the PDF First, we have to install the Puppeteer Sharp Nuget Package. As the library was developed with a C focus, we can use it with features like dependency injection, Async suffixes, etc.
💡 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. HTML Templating doesnt make it into the PDF Sharp library unfortunately.
It can only execute one process at a time. Free is free though so you cant complain too much. You see Node.js in its core is a single-threaded system. Puppeteer Sharp download for Linux This is the Linux app named Puppeteer Sharp whose latest release can be downloaded as v9.1.0.zip. rebuild your app as a docker image and host as a web app or azure function as required. However, if you have to download multiple large files things start to get complicated. as PuppeteerSharp requires a chrome install on the server, to host in azure you need to use azure docker support. In this next part, we will dive deep into some of the advanced concepts. How to download a file with Puppeteer Sharp Ask Question Asked 2 years, 5 months ago Modified 2 months ago Viewed 1k times 2 Here is the code that works but it doesn't wait until the completion.
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