postcss-external-vars

PostCSS plugin for injecting external variables to your CSS.

/* Input example */
.foo {
  color: $color.primary;
}

/* Output example */
.foo {
  color: #bada55;
}

Install

$ npm install postcss-external-vars

Usage

const externalVars = require('postcss-external-vars');

const data = {
    color: {
        primary: '#bada55',
        background: '#1337af'
    }
};

const css = '.foo {color: $color.primary}';

// Use stand-alone:
const result = externalVars.process(css, {data}).css;
//=> '.foo {color: #bada55}'

// Or as PostCSS plugin:
const postcss = require('postcss');

const result = postcss([externalVars({data})]).process(css).css;
//=> '.foo {color: #bada55}'

Check PostCSS docs out for examples in your preferred environment.

API

externalVars([opts])

opts

data

Type: object
Required

An object of properties to be used within your CSS.

prefix

Type: string
Default: $

A prefix for variable names. May contain several characters.

externalVars.tester([opts])

Returns a function that will accept string to check if it contains any variables and return boolean. Useful to filter your css declarations before processing.

Options are the same.

externalVars.matcher([opts])

Returns a function that will accept string and return an array of all the matched variable names within it.

Options are the same.

License

MIT © Dmitriy Sobolev