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,
}