microbundle/src/utils.js

import fs from 'fs';
import { promisify } from 'es6-promisify';

export const readFile = promisify(fs.readFile);
// export const writeFile = promisify(fs.writeFile);
export const stat = promisify(fs.stat);
export const isDir = name =>
	stat(name)
		.then(stats => stats.isDirectory())
		.catch(() => false);
export const isFile = name =>
	stat(name)
		.then(stats => stats.isFile())
		.catch(() => false);
export const stdout = console.log.bind(console); // eslint-disable-line no-console
export const stderr = console.error.bind(console);

export const isTruthy = obj => {
	if (!obj) {
		return false;
	}

	return obj.constructor !== Object || Object.keys(obj).length > 0;
};