el-beeswarm/.scannerwork/css-bundle/node_modules/stylelint/lib/utils/isCustomSelector.js

<div style="display: flex; padding: 1rem; flex-direction: column; align-items: center; justify-content: center; height: 100vh; text-align: center; display: flex;

'use strict';

/**
 * Check whether a selector is a custom one
 *
 * @param {string} selector
 * @returns {boolean}
 */
module.exports = function (selector) {
	return selector.startsWith(':--');
};