consul/ui/packages/consul-ui/app/helpers/css-map.js

17 lines
579 B
JavaScript

import { helper } from '@ember/component/helper';
import { CSSResult } from '@lit/reactive-element';
/**
* Conditionally maps cssInfos to an array ready for ShadowDom::styles
* usage.
*
* @typedef {([CSSResult, boolean] | [CSSResult])} cssInfo
* @param {(cssInfo | string)[]} entries - An array of 'entry-like' arrays of `cssInfo`s to map
*/
const cssMap = entries => {
return entries
.filter(entry => (entry instanceof CSSResult ? true : entry[entry.length - 1]))
.map(entry => (entry instanceof CSSResult ? entry : entry[0]))
};
export default helper(cssMap);