code: function checkTag (element, ignore, path, parent = element.parentNode) {
    const pattern = findTagPattern(element, ignore)
    if (pattern) {
      const matches = parent.getElementsByTagName(pattern)
      if (matches.length === 1) {
        path.unshift(pattern)
        return true
      }
    }
    return false
  }
docs: Extend path with tag identifier
  
  @param  {HTMLElement}    element - [description]
  @param  {Object}         ignore  - [description]
  @param  {Array.<string>} path    - [description]
  @param  {HTMLElement}    parent  - [description]
  @return {boolean}                - [description]