1.0.1 • Published 5 years ago
postcss-supported-variables v1.0.1
postcss-supported-variables
PostCSS Supported Variables supports your CSS variables with native CSS support API. It gives you a supported and unsupported scope for each variable you used.
Example
/* input.css */
:root {
--bg: steelblue;
}
.button {
display: inline-block;
padding: 1rem;
background-color: var(--bg);
}
/* output.css */
:root {
--bg: steelblue;
}
.button {
display: inline-block;
padding: 1rem;
}
@support (--var: 0) {
background-color: var(--bg);
}
@support not (--var: 0) {
background-color: steelblue;
}
Usage
Install PostCSS Supported Variables on your project.
# NPM
npm install postcss-supported-variables --save-dev
# Yarn
yarn add postcss-supported-variables --dev
Use it to process your css
const inputCSS = require('./input.css')
const supportVariables = require('postcss-supported-variables');
supportVariables.process(inputCSS);
Or use it as a PostCSS plugin
const input = require('./input.css');
const postcss = require('postcss');
const supportVariables = require('postcss-supported-variables');
postcss([
supportVariables()
]).process(input);
Or with config file
// postcss.config.js
module.exports = {
plugins: [
require('postcss-supported-variables')
]
}