code: function getCommonSelectors (elements) {
  
    const { classes, attributes, tag } = getCommonProperties(elements)
  
    const selectorPath = []
  
    if (tag) {
      selectorPath.push(tag)
    }
  
    if (classes) {
      const classSelector = classes.map((name) => `.${name}`).join('')
      selectorPath.push(classSelector)
    }
  
    if (attributes) {
      const attributeSelector = Object.keys(attributes).reduce((parts, name) => {
        parts.push(`[${name}="${attributes[name]}"]`)
        return parts
      }, []).join('')
      selectorPath.push(attributeSelector)
    }
  
    if (selectorPath.length) {
      // TODO: check for parent-child relation
    }
  
    return [
      selectorPath.join('')
    ]
  }
docs: Get selectors to describe a set of elements
  
  @param  {Array.<HTMLElements>} elements - [description]
  @return {string}                        - [description]