Method installExtensionsInDoc

src/service/extensions-impl.js:486–492

* Installs all ampdoc factories previously registered with * `addDocFactory`. * @param {!./ampdoc-impl.AmpDoc} ampdoc * @param {!Array<{extensionId: string, extensionVersion: string}>} extensions * @return {!Promise} * @restricted

(ampdoc, extensions)

   * @restricted
   */
  installExtensionsInDoc(ampdoc, extensions) {
    return Promise.all(
      extensions.map(({extensionId, extensionVersion}) =>
        this.installExtensionInDoc(ampdoc, extensionId, extensionVersion)
      )
    );
  }

  /**
   * Installs all ampdoc factories for the specified extension.