geteventstore-promise2/dist/tcpClient/getAllStreamEvents.js

GetEventStore client wrapper using promises

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));

var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));

var _flattenArray = _interopRequireDefault(require("../utilities/flattenArray"));

var _connectionManager = _interopRequireDefault(require("./connectionManager"));

var _mapEvents = _interopRequireDefault(require("./utilities/mapEvents"));

var _debug = _interopRequireDefault(require("debug"));

var _assert = _interopRequireDefault(require("assert"));

var debug = (0, _debug["default"])('geteventstore:getAllStreamEvents');
var baseErr = 'Get All Stream Events - ';

var _default = function _default(config) {
  return (
    /*#__PURE__*/
    function () {
      var _ref = (0, _asyncToGenerator2["default"])(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee2(streamName, chunkSize, startPosition, resolveLinkTos) {
        var connection, events, getNextChunk, _getNextChunk;

        return _regenerator["default"].wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                _getNextChunk = function _ref3() {
                  _getNextChunk = (0, _asyncToGenerator2["default"])(
                  /*#__PURE__*/
                  _regenerator["default"].mark(function _callee(startPosition) {
                    var result;
                    return _regenerator["default"].wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            _context.next = 2;
                            return connection.readStreamEventsForward(streamName, startPosition, chunkSize, resolveLinkTos, config.credentials);

                          case 2:
                            result = _context.sent;
                            debug('', 'Result: %j', result);

                            if (!result.error) {
                              _context.next = 6;
                              break;
                            }

                            throw new Error(result.error);

                          case 6:
                            events.push(result.events);

                            if (!(result.isEndOfStream === false)) {
                              _context.next = 11;
                              break;
                            }

                            return _context.abrupt("return", getNextChunk(result.nextEventNumber));

                          case 11:
                            return _context.abrupt("return", (0, _mapEvents["default"])((0, _flattenArray["default"])(events)));

                          case 12:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee);
                  }));
                  return _getNextChunk.apply(this, arguments);
                };

                getNextChunk = function _ref2(_x5) {
                  return _getNextChunk.apply(this, arguments);
                };

                (0, _assert["default"])(streamName, "".concat(baseErr, "Stream Name not provided"));
                chunkSize = chunkSize || 1000;

                if (chunkSize > 4096) {
                  console.warn('WARNING: Max event chunk size exceeded. Using the max of 4096');
                  chunkSize = 4096;
                }

                resolveLinkTos = resolveLinkTos === undefined ? true : resolveLinkTos;
                _context2.next = 8;
                return _connectionManager["default"].create(config);

              case 8:
                connection = _context2.sent;
                events = [];
                _context2.prev = 10;
                _context2.next = 13;
                return getNextChunk(startPosition || 0);

              case 13:
                return _context2.abrupt("return", _context2.sent);

              case 16:
                _context2.prev = 16;
                _context2.t0 = _context2["catch"](10);
                throw _context2.t0;

              case 19:
                _context2.prev = 19;
                connection.releaseConnection();
                return _context2.finish(19);

              case 22:
              case "end":
                return _context2.stop();
            }
          }
        }, _callee2, null, [[10, 16, 19, 22]]);
      }));

      return function (_x, _x2, _x3, _x4) {
        return _ref.apply(this, arguments);
      };
    }()
  );
};

exports["default"] = _default;
module.exports = exports.default;