code: function isTrivialToken (token) {
    return token != null && (
      (token.type === 'Punctuator' && TRIVIAL_PUNCTUATOR.test(token.value)) ||
      token.type === 'HTMLTagOpen' ||
      token.type === 'HTMLEndTagOpen' ||
      token.type === 'HTMLTagClose' ||
      token.type === 'HTMLSelfClosingTagClose'
    )
  }
docs: Check whether a given token is trivial or not.
  @param {Token} token The token to check.
  @returns {boolean} `true` if the token is trivial.