/* @flow */ | |
"use strict"; | |
const _ = require("lodash"); | |
// Add an empty line before a node. Mutates the node. | |
function addEmptyLineBefore( | |
node /*: postcss$node*/, | |
newline /*: '\n' | '\r\n'*/ | |
) /*: postcss$node*/ { | |
if (!/\r?\n/.test(node.raws.before)) { | |
node.raws.before = _.repeat(newline, 2) + node.raws.before; | |
} else { | |
node.raws.before = node.raws.before.replace(/(\r?\n)/, `${newline}$1`); | |
} | |
return node; | |
} | |
module.exports = addEmptyLineBefore; |