Method getSingleDoc

src/service/ampdoc-impl.js:100–104

* Returns the document in the single-doc mode. In a multi-doc mode, an * error will be thrown. * @return {!AmpDoc}

()

   * @return {!AmpDoc}
   */
  getSingleDoc() {
    // TODO(#22733): once docroot migration is done, this should be renamed
    // to `getTopDoc()` method.
    return devAssert(this.singleDoc_);
  }

  /**
   * If the node is an AMP custom element, retrieves the AmpDoc reference.