tslib-cli/utils.js

maximum overkill for typescript and javascript library authors

const path = require('path');
const fs = require('fs');
const del = require('del').sync;
const sync = require('child_process').execSync;
const chalk = require('chalk');
const ask = require('readline-sync');

const pkg = require('./package.json');

const paths = {
	app: (...p) => path.join(process.cwd(), ...p),
	cli: (...p) => path.join(__dirname, ...p),
	bin: (...p) => path.join(process.cwd(), 'node_modules', '.bin', ...p),
};
paths.config = (...p) => {
	const local = paths.app(...p);
	return fs.existsSync(local) ? local : paths.app('node_modules', 'tslib-cli', 'config', ...p);
};

const run = (cmd, options) => sync(cmd, { stdio: 'inherit', ...options });
const cpy = (s, d) => fs.writeFileSync(d, fs.readFileSync(s, 'utf8'), 'utf8');
const rename = (s, d) => fs.renameSync(s, d);
const clean = dir => del([paths.app(dir)]);

const prefix = chalk.gray(`${pkg.name}@${pkg.version}: `);
const log = msg => console.log(prefix + chalk.green.bold(msg));
const error = msg => console.error(prefix + chalk.red.bold(msg));
const warn = msg => console.error(prefix + chalk.yellow.bold(msg));
const info = msg => console.error(prefix + chalk.gray(msg));

const question = (message, value) =>
	ask.question(chalk.green(message) + chalk.gray(value ? ` [${value}] : ` : ` : `), { defaultInput: value });

module.exports = {
	paths,
	run,
	cpy,
	rename,
	clean,
	log,
	error,
	warn,
	info,
	question,
};