docs: function findExactPath(filePath, relPath) {
      let filePathList = filePath.split('/'),
          relPathList = relPath.split('/'),
          actualPath = '',
          i = 0,
          j = 0;
  
      while (relPathList[i] === '..') {
          i++;
      }
  
      for (; j < filePathList.length - 1 - i; j++) {
          actualPath += filePathList[j] + '/';
      }
  
      if (i === 0) {
          i++;
          if (relPathList[i] === filePathList[i]) i++;
      }
  
      for (; i < relPathList.length - 1; i++) {
          actualPath += relPathList[i] + '/';
      }
  
      actualPath += relPathList[relPathList.length - 1];
  
      return actualPath;
  }