stylelint/lib/utils/isCustomPropertySet.js

A mighty, modern CSS linter.

/* @flow */
'use strict';

const _ = require('lodash');
const hasBlock = require('../utils/hasBlock');

/**
 * Check whether a Node is a custom property set
 */
module.exports = function(node /*: Object*/) /*: boolean*/ {
	const selector = _.get(node, 'raws.selector.raw', node.selector);

	return (
		node.type === 'rule' &&
		hasBlock(node) &&
		selector.slice(0, 2) === '--' &&
		selector.slice(-1) === ':'
	);
};