index.js

import fs, {promises as fsAsync} from 'fs';
import path from 'path';
import parseJson from 'parse-json';
import normalizePackageData from 'normalize-package-data';

export async function readPackageAsync({cwd = process.cwd(), normalize = true} = {}) {
	const filePath = path.resolve(cwd, 'package.json');
	const json = parseJson(await fsAsync.readFile(filePath, 'utf8'));

	if (normalize) {
		normalizePackageData(json);
	}

	return json;
}

export function readPackageSync({cwd = process.cwd(), normalize = true} = {}) {
	const filePath = path.resolve(cwd, 'package.json');
	const json = parseJson(fs.readFileSync(filePath, 'utf8'));

	if (normalize) {
		normalizePackageData(json);
	}

	return json;
}