You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

17 lines
545 B

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