postcss-values-parser 
A CSS property value parser built upon PostCSS, following the same node and traversal patterns as PostCSS.
Install
Using npm:
npm install postcss-values-parser --save-dev
Please consider becoming a patron if you find this module useful.
Requirements
postcss-values-parser Node version v6.14.0+ and PostCSS v7.0.0+.
Benefits
- Leverages PostCSS and its tokenizer under the hood
- Doesn't strip characters; eg. parenthesis
- Full AST traversal
- Ability to walk the AST for every Node type
- Convenience methods to stringify Nodes
- Follows PostCSS patterns for whitespace between Nodes
- Provides convenience properties for number units, colors, etc.
Usage
Using the parser is straightforward and minimalistic:
const { parse } = require('postcss-values-parser');
const root = parse('#fff');
const node = root.first;
// → Word {
// raws: { before: '', after: '' },
// value: '#fff',
// type: 'word',
// isHex: true,
// isColor: true,
// isVariable: false,
// ...
// }Please see the Documentation for further information on using the module.