1.js

import {ADD_PROCESSOR} from './actions';

/**
 * Reducer for managing a collection of processors
 *
 * State is the processors collection, as a map.
 *
 * @param {Object} state
 * @param {Object} action
 * @returns {Object}
 */
export const processorsReducer = (state = {processors: []}, action) => {
	switch (action.type) {
		case ADD_PROCESSOR:
			return {
				...state,
				processors: [...state.processors, action.processor]
			};
		default:
			return state;
	}
	
};

2.js

//A consistent prefix for all actions for this store
const CALDERA_FORMS_PROCESSORS_STORE_SLUG = 'CALDERA_FORMS_PROCESSORS_STORE';

/**
 * The name of the action to add processor to the collection
 * @type {string}
 */
export const ADD_PROCESSOR = `${CALDERA_FORMS_PROCESSORS_STORE_SLUG}/NEW_PROCESSOR`;

/**
 * Creates an action to create a new, empty processor and add it to the collection
 * @param {Object} processor Processor config
 * @returns {{type: string, processor: Object}}
 */
export const addProcessor = (processor) => {
	return {
		type: NEW_PROCESSOR,
    processor
	};
};

3a.js

export const getPost = (state,ID) => {
	return state.posts.find( post => { return ID === post.ID } );
};

3b.js

/**
 * Get one processor from the processors collection reducer processorsReducer
 * @param {Object} state
 * @param {String} processorId
 */
export const getProcessorFromCollection = (state, processorId) => {
	if( state.processors.length ){
		return state.processor.find( processor => { return processorId === processor.ID } );
	}
};

4.js

export async function requestForm(formId) {
	return await formsAdminApiClient.getForm(formId);
};
export const STORE = {
	selectors: {
		getForm(state, formId){
			return Object.values(forms).find(form => {
				return formId === form.ID;
			});
		}
	},
	resolvers: {
		async getForm( state, formId ) {
			const form = await requestForm(formId);
			dispatch( CALDERA_FORMS_STORE_NAME ).setForm( form );
		},
	}
};