Check the difference between n dev/dependencies

node-package-dependencies-checker.ts

import { readFileSync } from 'fs';
import { join } from 'path';
import { z } from 'zod';

const packages = readFileSync(join(__dirname, 'package.json'), 'utf8');

const schema = z.object({
  devDependencies: z.record(z.string()),
  dependencies: z.record(z.string()),
});

type DevDependencies = z.infer<typeof schema>['devDependencies'];
type Dependencies = z.infer<typeof schema>['dependencies'];

const devDependencies: DevDependencies = schema.parse(JSON.parse(packages)).devDependencies;
const dependencies: Dependencies = schema.parse(JSON.parse(packages)).dependencies;

let removeDupes = new Map([
  ...Object.entries(devDependencies),
  ...Object.entries(dependencies),
]);

const depInput: Dependencies = {
  "<package>": "<version>"
}

const devInputs: DevDependencies = {
  "<package>": "<version>",
}

let removeInputDupes = new Map([
  ...Object.entries(depInput),
  ...Object.entries(devInputs),
]);

const joinDev = new Map(Object.entries(devInputs).filter(([key, version]) => 
  !removeDupes.has(key) || removeDupes.get(key) !== version
));

const joinDep = new Map(Object.entries(depInput).filter(([key, version]) => 
  !removeDupes.has(key) || removeDupes.get(key) !== version
));

console.log(Object.fromEntries(joinDev));
console.log(Object.fromEntries(joinDep));