docs: function containsArray(query, node) {
    var value
  
    if (has(node, query.name)) {
      value = node[query.name]
  
      // If this is an array, and the query is contained in it, return true.
      if (
        typeof value === 'object' &&
        'length' in value &&
        value.indexOf(query.value) !== -1
      ) {
        return true
      }
  
      // For all other values, return whether this is an exact match.
      return String(value) === query.value
    }
  
    return false
  }