js2flowchart/src/shared/utils/composition.js

> Why? While I've been working on [Under-the-hood-ReactJS](https://github.com/Bogdan-Lyashenko/Under-the-hood-ReactJS) I spent enormous amount of time on creating schemes. Each change in code or flowchart affects all entire scheme instantly, forcing you t

import merge from 'deepmerge';

export const assignState = (state, extensionsList) => {
    return Object.assign.apply(null, [{ state }, ...extensionsList.map(fn => fn(state))]);
};

export const mergeObjectStructures = (destination, source) => merge(destination, source);