| /* @flow */ |
| "use strict"; |
| |
| /** |
| * Check whether a combinator is standard |
| * |
| * @param {Node} postcss-selector-parser node (of type combinator) |
| * @return {boolean} If `true`, the combinator is standard |
| */ |
| |
| const _ = require("lodash"); |
| |
| module.exports = function(node /*: Object*/) /*: boolean*/ { |
| // Ghost descendant combinators around reference combinators like `/deep/` |
| // postcss-selector-parser parsers references combinators as tag selectors surrounded |
| // by descendant combinators |
| if ( |
| (node.prev() && |
| node.prev().type === "tag" && |
| _.startsWith(node.prev().value, "/") && |
| _.endsWith(node.prev().value, "/")) || |
| (node.next() && |
| node.next().type === "tag" && |
| _.startsWith(node.next().value, "/") && |
| _.endsWith(node.next().value, "/")) |
| ) { |
| return false; |
| } |
| |
| return true; |
| }; |
