tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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SimpleDBUtils.sys.mjs (1418B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 import { RequestError } from "resource://testing-common/dom/quota/test/modules/RequestError.sys.mjs";
      7 
      8 export const SimpleDBUtils = {
      9  createConnection(principal) {
     10    const connection = Cc["@mozilla.org/dom/sdb-connection;1"].createInstance(
     11      Ci.nsISDBConnection
     12    );
     13 
     14    connection.init(principal);
     15 
     16    return connection;
     17  },
     18 
     19  /**
     20   * Handles the completion of a request, awaiting the callback to be called
     21   * before proceeding.
     22   *
     23   * This function is designed to handle requests of the type `nsISDBRequest`
     24   *
     25   * These requests are typically returned by the connection.
     26   *
     27   * @param {object} request
     28   *   The request object, which must have a callback property and
     29   *   result-related properties (e.g., resultCode, resultName).
     30   * @returns {Promise}
     31   *   Resolves with the request's result when the operation is successful.
     32   * @throws {RequestError}
     33   *   If the request's resultCode is not `Cr.NS_OK`, indicating an error in
     34   *   the request.
     35   */
     36  async requestFinished(request) {
     37    await new Promise(function (resolve) {
     38      request.callback = function () {
     39        resolve();
     40      };
     41    });
     42 
     43    if (request.resultCode !== Cr.NS_OK) {
     44      throw new RequestError(request.resultCode, request.resultName);
     45    }
     46 
     47    return request.result;
     48  },
     49 };