| /** | |
| * Add one or two empty line(s) before a node. Mutates the node. | |
| * | |
| * @template {import('postcss').Node} T | |
| * @param {T} node | |
| * @param {string} newline | |
| * @returns {T} | |
| */ | |
| export default function addEmptyLineBefore(node, newline) { | |
| const { raws } = node; | |
| if (typeof raws.before !== 'string') { | |
| return node; | |
| } | |
| raws.before = !/\r?\n/.test(raws.before) | |
| ? newline.repeat(2) + raws.before | |
| : raws.before.replace(/(\r?\n)/, `${newline}$1`); | |
| return node; | |
| } |