Generate an interactive Specificity Graph for your CSS.

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0.1.78 years ago9 years agoMinified + gzip package size for specificity-graph in KB


Specificity Graph (for CSS)
NPM version Build Status
Idea by Harry Roberts
The generated graph Generate an interactive line graph showing the specificity in your stylesheet. Uses d3, css-parser, and specificity.


npm install specificity-graph


specifity-graph can be used in different ways:


specificity-graph <cssFile> [options]
Creates a directory containing
  • json file with specificity data for your CSS
  • html file with interactive specificity graph for CSS
  • necessary JS files to run graph


| Flag | Description | ---------------- | ------------- | | -o --output | name for generated directory (default: specificity-graph) | | -b --browser | auto launch browser to view generated chart | | -h --help | Help |

Node module

var specificityGraph = require('specificity-graph');

specificityGraph(directory, css, function(directory){
  console.log('specificity-graph files created in ' + directory);

Via JavaScript

First get the specificityGraph accessible in your code:

Using Browserify (or similar)

Just require('specificity-graph').

Standalone (no module loader)

Add <script src="specificity-graph-standalone.js"></script>, this will expose specificityGraph as a global variable.


  • specificityGraph.create(css, options)
  • specificityGraph.createFromData(specificityData, options),
  • specificityGraph.update(css)
| Name | Description | ---------------- | ------------- | | css | String with css to generate specificity graph for | | specificityData | JSON object with css specificity data. CLI write a JSON in this format, as does the lib/lineChart's create function' |
Create options
| Create option name | Description | -------------------- | ------------- | | svgSelector | Selector for svg element to draw specificity graph inside. Defaults to .js-graph. | | width | default 1000. You should set a viewBox value on the SVG element to match width and height, f.e. viewbox='0 0 1000 4000'. | | height | default 400 | | showTicks | Boolean. Show scale and ticks. Default false. | | xProp | (possible values: 'selectorIndex', 'line'). What to base the x dimension, 'location in stylesheet' in graph on: index of selector in CSS, or line number for selector in CSS. Default 'selectorIndex'. | | yProp | default 'specificity' |