@coorpacademy/progression-engine/es/update-state.js

import _isEmpty from "lodash/fp/isEmpty";
import _reduce from "lodash/fp/reduce";
import _pipe from "lodash/fp/pipe";
import _map from "lodash/fp/map";
import _update from "lodash/fp/update";
import allAnswers from './reducers/all-answers';
import content from './reducers/content';
import pendingSlides from './reducers/pending-slides';
import hasViewedAResourceAtThisStep from './reducers/has-viewed-a-resource-at-this-step';
import isCorrect from './reducers/is-correct';
import lives from './reducers/lives';
import livesDisabled from './reducers/lives-disabled';
import nextContent from './reducers/next-content';
import remainingLifeRequests from './reducers/remaining-life-requests';
import requestedClues from './reducers/requested-clues';
import slides from './reducers/slides';
import stars from './reducers/stars';
import step from './reducers/step';
import validate from './reducers/validate';
import viewedResources from './reducers/viewed-resources';
import variables from './reducers/variables';
function combineReducers(fnMap) {
  // eslint-disable-next-line flowtype/require-return-type
  const fns = _map(({
    fn,
    key
  }) => {
    return (config, action) => state => {
      if (!key) return fn(config)(state, action);
      const newState = _update(key, value => fn(config)(value, action, state), state);
      return newState;
    };
  }, fnMap);
  return config => {
    return (state, action) => {
      validate(config)(state, action);
      return _pipe(..._map(fn => fn(config, action), fns))(state);
    };
  };
}
const reduceAction = combineReducers([{
  key: 'livesDisabled',
  fn: livesDisabled
}, {
  key: 'isCorrect',
  fn: isCorrect
}, {
  key: 'slides',
  fn: slides
}, {
  key: 'lives',
  fn: lives
}, {
  key: 'step',
  fn: step
}, {
  key: 'stars',
  fn: stars
}, {
  key: 'requestedClues',
  fn: requestedClues
}, {
  key: 'viewedResources',
  fn: viewedResources
}, {
  key: 'remainingLifeRequests',
  fn: remainingLifeRequests
}, {
  key: 'hasViewedAResourceAtThisStep',
  fn: hasViewedAResourceAtThisStep
}, {
  key: 'content',
  fn: content
}, {
  key: 'nextContent',
  fn: nextContent
}, {
  key: 'allAnswers',
  fn: allAnswers
}, {
  key: 'pendingSlides',
  fn: pendingSlides
}, {
  fn: variables
}]);
export default function updateState(config, state, actions) {
  if (_isEmpty(actions)) {
    return _reduce(reduceAction(config), state, [{
      type: 'init'
    }]);
  }
  return _reduce(reduceAction(config), state, actions);
}
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