@talend/react-containers/lib-esm/AppLoader/AppLoader.saga.js

Provide connected components aka containers for @talend/react-cmf based on @talend/react-components.

import api from '@talend/react-cmf';
import { delay, call, select, all, take } from 'redux-saga/effects';
import invariant from 'invariant';
export const ACTION_CREATORS = 'actionCreators';
export const SAGAS = 'sagas';
export const WAIT_FOR = 'waitFor';
export const TAKE_ACTION = 'takeAction';

/**
 * This function wait until a collection is here
 * @param {string} collectionName the name of the collection
 * @param {int} interval the interval to check again if the collection is there
 */
export function* waitFor(collectionName, interval = 10) {
  // eslint-disable-next-line no-constant-condition
  while (true) {
    const collection = yield select(api.selectors.collections.get, collectionName);
    if (collection !== undefined) {
      break;
    }
    yield delay(interval);
  }
}
/**
 * This function handle a specific step
 * @param {object} step a bootstrap step that could contain a actionCreator list or a waitList
 */
export function* handleStep(step) {
  if (step[SAGAS]) {
    return yield all(step[SAGAS].map(saga => call(api.sagas.get(saga))));
  }
  if (step[ACTION_CREATORS]) {
    return yield all(step[ACTION_CREATORS].map(actionCreator => api.sagas.putActionCreator(actionCreator)));
  } else if (step[WAIT_FOR]) {
    return yield all(step[WAIT_FOR].map(collectionName => call(waitFor, collectionName)));
  } else if (step[TAKE_ACTION]) {
    return yield all(step[TAKE_ACTION].map(actionName => take(actionName, actionName)));
  }
  return invariant(process.env.NODE_ENV !== 'production', `Step object must have ${ACTION_CREATORS} or ${WAIT_FOR} attribute`);
}

/**
 * This saga load the actionCreator or wait on some steps
 * @param {object} props the saga props
 * @param {array} props.steps an array of steps to handle
 */
export function* appLoaderSaga({
  steps
}) {
  // eslint-disable-next-line no-restricted-syntax
  for (const step of steps) {
    yield call(handleStep, step);
  }
}
//# sourceMappingURL=AppLoader.saga.js.map