Remark fix new lines for GitLab

example.js

const fixNewLine = require('./index.js')
const remark  = require('remark')

text = "lol\nlol\n```\nlol\nlol\n```\n> lol\n> lol"

processed = remark()
  .use(fixNewLine)
  .processSync(text)

console.log(processed)

index.js

var visit = require('unist-util-visit');
var toString = require('mdast-util-to-string')

module.exports = fixNewLine

function fixNewLine () {

  return function fixNewLineTransformer (root, file) {
    var pattern = /.+  \n.+/m
    visit(root, 'text', (node, index, parent) => {
      if (parent.type === 'paragraph') {
        if (!pattern.test(node.value)) {
          node.value = (node.value.replace(/(\S)\n/mg, '$1  \n'));
        }
      }
    });

    return
  }
}