code: function buildChildTokens(node, parentToken, html, sourceCodeStore, lastIndex) {
      return node.childNodes.map(child => {
          const token = parse5NodeToToken(
              child,
              parentToken,
              html,
              sourceCodeStore,
              lastIndex
          )
          token.parent = parentToken
          return token
      })
  }
docs: Create child tokens from Node childNodes
  @param {object} node The node from parse5.
  @param {object} parentToken The parent token.
  @param {string} html The html source code to parse.
  @param {SourceCodeStore} sourceCodeStore The sourceCodeStore.
  @param {number} lastIndex The last index.
  @returns {Array} The child tokens.