Feature Suggestion: DevTools/HAR-File through command line

[xresch]

Hi everyone,

I would like to suggest a new feature for Chrome/DevTools for analysis automation.

Background
Around a year ago I started to build an open source project called Page Analyzer.
The description of this project can be found here:

https://www.xresch.com/it/open-source-projects/page-analyzer/

We use the page analyzer to monitor the performance of the web applications we are analyzing for other project teams.

Now we would like to extend the application in order to generate HTTP Archive(HAR) files for applications that are only accessible through Kerberos.

Issue

There are several solutions on the market which allow to create HAR files, running as web applications or as a service.
But most of them do not support an easy way to do this with Kerberos applications. Or the solution will get really complicated in the end.

Solution

I have already played arround with headless chrome, what seems a quite useful for getting the DOM of a webpage or creating PDF files:
https://developers.google.com/web/updates/2017/04/headless-chrome

If there would be a flag to dump a .har-File to stdout or to the disk, this would make it very easy to create the solution I'm lokking for, as I also can do the neccessary settings for Kerberos on the command line that I need.

Also such a feature could get really handy for other purposes, like analysis and reporting in a build automation tool like jenkins or TeamCity.
Surely there are other features of the DevTools that would be useful to have through the command line.

Also from what I found it would currently be the only solution that would provide this capability in such an easy way.

Cheers
Reto

[161...@nec.edu.in]

Is this feature now available or any other way of automizing HAR generation

[Yang Guo]

+Mathias Bynens maybe this is possible or will be possible with Puppeteer?

Yang

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[Mathias Bynens]

Puppeteer doesn’t have built-in support for exporting HAR files, but there’s a userland plugin that makes this very easy in combination with Puppeteer: https://github.com/Everettss/puppeteer-har

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