transaction.js 2.2 KB

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  1. 'use strict';
  2. exports.__esModule = true;
  3. var _create = require('babel-runtime/core-js/object/create');
  4. var _create2 = _interopRequireDefault(_create);
  5. var _makeKnex = require('../../util/make-knex');
  6. var _makeKnex2 = _interopRequireDefault(_makeKnex);
  7. var _bluebird = require('bluebird');
  8. var _bluebird2 = _interopRequireDefault(_bluebird);
  9. var _helpers = require('../../helpers');
  10. var helpers = _interopRequireWildcard(_helpers);
  11. var _inherits = require('inherits');
  12. var _inherits2 = _interopRequireDefault(_inherits);
  13. var _events = require('events');
  14. function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
  15. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  16. function Transaction_WebSQL(client, container) {
  17. helpers.warn('WebSQL transactions will run queries, but do not commit or rollback');
  18. var trx = this;
  19. this._promise = _bluebird2.default.try(function () {
  20. container((0, _makeKnex2.default)(makeClient(trx, client)));
  21. });
  22. }
  23. (0, _inherits2.default)(Transaction_WebSQL, _events.EventEmitter);
  24. function makeClient(trx, client) {
  25. var trxClient = (0, _create2.default)(client.constructor.prototype);
  26. trxClient.config = client.config;
  27. trxClient.connectionSettings = client.connectionSettings;
  28. trxClient.transacting = true;
  29. trxClient.on('query', function (arg) {
  30. trx.emit('query', arg);
  31. client.emit('query', arg);
  32. });
  33. trxClient.commit = function () {};
  34. trxClient.rollback = function () {};
  35. return trxClient;
  36. }
  37. var promiseInterface = ['then', 'bind', 'catch', 'finally', 'asCallback', 'spread', 'map', 'reduce', 'tap', 'thenReturn', 'return', 'yield', 'ensure', 'exec', 'reflect', 'get', 'mapSeries', 'delay'];
  38. // Creates a method which "coerces" to a promise, by calling a
  39. // "then" method on the current `Target`
  40. promiseInterface.forEach(function (method) {
  41. Transaction_WebSQL.prototype[method] = function () {
  42. return this._promise = this._promise[method].apply(this._promise, arguments);
  43. };
  44. });
  45. exports.default = Transaction_WebSQL;
  46. module.exports = exports['default'];