import { readFile, writeFile } from 'fs'
import { promisify } from 'bluebird'

function dequote (input) {
  input = input.trim()

  const singleQuote = input.startsWith('\'') && input.endsWith('\'')
  const doubleQuote = input.startsWith('"') && input.endsWith('"')
  if (singleQuote || doubleQuote) {
    return input.slice(1).slice(0, -1)
  }
  return input
}

const readFileAsync = promisify(readFile)
const writeFileAsync = promisify(writeFile)

export {
  readFileAsync,
  writeFileAsync,
  dequote
}