eslint.js

var ansi = require('ansi-escape-sequences')
var eslint = require('eslint')
var path = require('path')
var os = require('os')

var HOME_OR_TMP = os.homedir() || os.tmpdir()

module.exports = ttyError

function ttyError (src, sub, err) {
  var filename = err.filename
  var files = [ filename ]
  var engine = new eslint.CLIEngine(eslintConfig())

  try {
    var results = engine.executeOnFiles(files).results
  } catch (e) {
    return String(err) // Throwing here would only distract.
  }

  var str = ''
  str += `Failed to compile ${src}\n\n`

  var messages = results[0].messages
  console.log(messages)
  var len, i, message
  for (i = 0, len = messages.length; i < len; i++) {
    message = messages[i]
    console.log(message)
  }

  // str += clr(clr(filename, 'bg-white'), 'black') + '\n'
  // str += `  ${clr(`Line: ${loc.line}:`)}`
  return str
}

function clr (text, color) {
  return process.stdout.isTTY ? ansi.format(text, color) : text
}
function eslintConfig () {
  return {
    cache: true,
    cacheLocation: path.join(HOME_OR_TMP, '.bankai/cache/'),
    envs: [],
    fix: false,
    globals: [],
    ignore: false,
    plugins: [],
    useEslintrc: false,
    ecmaVersion: 6,
    ecmaFeatures: { jsx: true }
  }
}