function replaceMarkdownText()

in docs.js [72:128]
54 lines of code
13 McCabe index (conditional complexity)

function replaceMarkdownText(codeTxt, docInfo, filePath) {
  if (!/^([\s]*)(---[\s\S]*---)/.test(codeTxt)) {
    const {repoUrl, commitId, docName, version} = docInfo;
    const prefix = repoUrl.replace('.git', '/tree') + `/${commitId}`;
    const depth = filePath.split('/docs')[1].match(/\//g).length - 2;

    let title = codeTxt.trim().split('\n')[0]
    title = title.match(/(?<=([ ])).*/g)[0];
    title = title.replace(/:/g, '：')

    codeTxt =
        `---
title: ${title}
type: projectDoc
layout: baseof
---\n` + codeTxt;
    codeTxt = codeTxt
        .replace(/(\[[\s\S]*?\])\(([\s\S]*?)\)/g, function (match, p1, p2) {
          if (p2 && p2.startsWith('http') || isImage(p2)) {
            return match
          }
          if (p2.startsWith('../')) {
            const parentDepth = p2.match(/\.\.\//g).length;
            if (parentDepth >= depth) {
              const url = p2.replace(/\.\.\//g, '')
              return `${p1}(${prefix}/${url})`
            }
          }
          const str = p2
              .toLowerCase()
              .replace(/\.md/g, '')

          if (str.startsWith('#')) {
            return `${p1}(${str})`
          }
          if (str.startsWith('./')) {
            return `${p1}(./../${str.slice(2)})`
          }
          return `${p1}(../${str})`
        })
        .replace(/<img(.*?)src="(.*?)"(.*?)>/g, function (match, p1, p2, p3) {
          if (p2 && p2.startsWith('http')) {
            return match
          }
          const imgName = `${docName}_${version}_` + p2.split('/').pop();
          return `<img${p1}src="/images/${imgName}"${p3}>`
        })
        .replace(/(\!\[[\s\S]*?\])\((.*?)\)/g, function (match, p1, p2,) {
          if (p2 && p2.startsWith('http')) {
            return match
          }
          const imgName = `${docName}_${version}_` + p2.split('/').pop();
          return `${p1}(/images/${imgName})`
        })
  }
  return codeTxt
}