Puppeteerjs download file

My script would end up nicely: the download would have been triggered but no data were written on disk. I saw other people reporting the same issue. Download would not be triggered in headless mode, no matter what is attempted. Our CPU cores can run multiple processes at the same time. Child process is how Node. We can combine the child process module with our Puppeteer script and download files in parallel.

We have two files in this solution the first one is main. In this file we initiate our child processes and send the URL of the images we want to download. For each URL a new child thread will be initiated. In the child. Observe that the download function we have here is identical to our earlier solution. The only difference is the Process. Our main script simultaneously spawns 4 instances of chrome and initiates file download in parallel. I hope the explanations and code examples shared above gave you a better understanding of how to file download works in Puppeteer.

There are many ways you can download files with Puppeteer. How to download a file with Puppeteer? In order to tell puppeteer where to store files you'll have to reach into some internals so that things work appropriately:.

By whatever means, this is the step where you'll download the file in the browser. Using our prior example we'll set this to generate a file for illustration purposes:. This will return a list of files, which we can then use a subsequent GET call to download. Please provide the ad click URL, if possible:. Oh no! Some styles failed to load. Help Create Join Login. Application Development. IT Management.

Project Management. Resources Blog Articles. And extract the file from the file system into memory. We have to first find its name and then we can read it. To do this, in essence, we can trigger the file download, intercept the request going out and then replicate it to get the actual data. First we need to enable request interception. This is done using the following line of code:.