kdzwinel/CSS-Diff

Show relative units as relative units

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#11 opened on Sep 24, 2014

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enhancementhelp wanted

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Description

I like that CSS-Diff show computed differences, but what about when using %'s and ems?

It's great if I can see Div A is 100px wide and Div B is 202px wide, but it would be great if CSS-Diff would show me something that would let me know the reason A is 100px wide is because the stylesheet is setting it to width: 25% and that B is 202px wide because either I've set it to explicitly be 202px wide, or because I've set it to be width: 50.25%

Contributor guide

Research direction
Examine how computed styles are retrieved and displayed in the extension. Look for where pixel values are formatted and add logic to detect original unit from stylesheet (e.g., using `getPropertyValue` or inspecting CSS rules). Map computed values back to relative units when possible.
Tech stack
javascript
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CSSChrome Extension basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75