redux-saga/lib/internal/runSaga.js

Saga middleware for Redux to handle Side Effects

'use strict';

exports.__esModule = true;
exports.runSaga = runSaga;

var _utils = /*#__PURE__*/require('./utils');

var _proc = /*#__PURE__*/require('./proc');

var _proc2 = /*#__PURE__*/_interopRequireDefault(_proc);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var RUN_SAGA_SIGNATURE = 'runSaga(storeInterface, saga, ...args)';
var NON_GENERATOR_ERR = RUN_SAGA_SIGNATURE + ': saga argument must be a Generator function!';

function runSaga(storeInterface, saga) {
  for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
    args[_key - 2] = arguments[_key];
  }

  var iterator = void 0;

  if (_utils.is.iterator(storeInterface)) {
    if (process.env.NODE_ENV === 'development') {
      (0, _utils.log)('warn', 'runSaga(iterator, storeInterface) has been deprecated in favor of ' + RUN_SAGA_SIGNATURE);
    }
    iterator = storeInterface;
    storeInterface = saga;
  } else {
    (0, _utils.check)(saga, _utils.is.func, NON_GENERATOR_ERR);
    iterator = saga.apply(undefined, args);
    (0, _utils.check)(iterator, _utils.is.iterator, NON_GENERATOR_ERR);
  }

  var _storeInterface = storeInterface,
      subscribe = _storeInterface.subscribe,
      dispatch = _storeInterface.dispatch,
      getState = _storeInterface.getState,
      context = _storeInterface.context,
      sagaMonitor = _storeInterface.sagaMonitor,
      logger = _storeInterface.logger,
      onError = _storeInterface.onError;


  var effectId = (0, _utils.uid)();

  if (sagaMonitor) {
    // monitors are expected to have a certain interface, let's fill-in any missing ones
    sagaMonitor.effectTriggered = sagaMonitor.effectTriggered || _utils.noop;
    sagaMonitor.effectResolved = sagaMonitor.effectResolved || _utils.noop;
    sagaMonitor.effectRejected = sagaMonitor.effectRejected || _utils.noop;
    sagaMonitor.effectCancelled = sagaMonitor.effectCancelled || _utils.noop;
    sagaMonitor.actionDispatched = sagaMonitor.actionDispatched || _utils.noop;

    sagaMonitor.effectTriggered({ effectId: effectId, root: true, parentEffectId: 0, effect: { root: true, saga: saga, args: args } });
  }

  var task = (0, _proc2.default)(iterator, subscribe, (0, _utils.wrapSagaDispatch)(dispatch), getState, context, { sagaMonitor: sagaMonitor, logger: logger, onError: onError }, effectId, saga.name);

  if (sagaMonitor) {
    sagaMonitor.effectResolved(effectId, task);
  }

  return task;
}