code: function mkdirSync(dirPath) {
      // Get relative path to output
      const relativePath = dirPath.replace(`${CWD}${pathSep}`, '');
    	const dirs = relativePath.split(pathSep);
    	let currentDir = CWD;
  
      // Check if each dir exists, and if not, create it
      dirs.forEach(dir => {
        currentDir = path.resolve(currentDir, dir);
        if(!fs.existsSync(currentDir)) {
          fs.mkdirSync(currentDir);
        }
      });
    }
docs: Synchronous mkdir that handles creating a potentially nested directory
  @method mkdirSync
  @param {string} dirPath Directory path to create, can be nested
  @return {undefined}