garris/BackstopJS

Firefox headless mode support

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#551 opened on Sep 22, 2017

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enhancementhelp wanted

Description

Starting with Firefox 55+ on Linux and Firefox 56+ on Mac/Windows Firefox also added headless mode support.

Would be nice to have BackstopJS support it directly as well and ditch SlimerJS.

Contributor guide

Tech stack
javascriptnodejs
Domain
testing
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
JavaScriptNode.jsBrowser automation conceptsBackstopJS internals
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
First, review the current implementation of SlimerJS within BackstopJS to understand the integration points. Then, explore how Firefox headless mode can be invoked, possibly via Puppeteer or a similar library. Check if there are any existing forks or PRs that have attempted this. Finally, implement the support and ensure it works across platforms.