Readarr/frontend/src/Store/Reducers/Creators/createSetReducer.js

import _ from 'lodash';
import getSectionState from 'Utilities/State/getSectionState';
import updateSectionState from 'Utilities/State/updateSectionState';

const blacklistedProperties = [
  'section',
  'id'
];

function createSetReducer(section) {
  return (state, { payload }) => {
    if (section === payload.section) {
      const newState = Object.assign(getSectionState(state, section),
        _.omit(payload, blacklistedProperties));

      return updateSectionState(state, section, newState);
    }

    return state;
  };
}

export default createSetReducer;