DOT_NET env var style in nodejs

dotnet.env.js

const env = require('dotenv').config();
const deepmerge = require('deepmerge');
const { parsed: object } = env;

let clone = {};
for(const key in object) {
    if(Object.hasOwnProperty.call(object, key)) {
        const value = object[key];
        if(key.includes('__')) {
            const keys = key.split('__');
            clone = deepmerge(clone, keys.reduceRight((res, key) => ({ [key]: res }), object[key]));
            delete process.env[key];
        } else {
            clone[key] = value;
        }
    }
}

for(const key in clone) {
    if(Object.hasOwnProperty.call(clone, key)) {
        const value = clone[key];
        Object.defineProperty(process.env, key, {
            get: () => value
        });
    }
}

console.log(process.env.ROOT);