igroot-builder/command/lint.js

白山——zeus系统前端打包工具

const path = require('path')
const CLIEngine = require('eslint').CLIEngine
const chalk = require('chalk')

const log = (msg, retract = 0) => console.log(
  (
    retract > 0
      ? (new Array(retract + 1).join(' '))
      : ''
  ) + msg
)

module.exports = function(args, collect = () => {}) {
  collect({}, true)
  console.log(chalk.gray('Loading...'))

  const fix = args.fix !== false
  const cli = new CLIEngine({
    configFile: path.join(__dirname, '../.eslintrc'),
    cwd: path.resolve('src'),
    ignore: true,
    ignorePath: path.join(__dirname, '../.eslintignore'),
    extensions: ['.js', '.jsx'],
    fix
  })

  const report = cli.executeOnFiles([path.resolve('src')])
  let fixedFilesCount = 0

  report.results.forEach(result => {
    if (result.output) fixedFilesCount++
    if (!result.messages.length) return

    log(
      chalk.cyan(result.filePath)
      + (result.errorCount !== 0 ? `\terror count: ${chalk.red(result.errorCount)}` : '')
      + (result.warningCount !== 0 ? `\twarning count: ${chalk.yellow(result.warningCount)}` : '')
    )

    result.messages.forEach(({ line, column, ruleId, severity, message }) => {
      log(''
        + ((severity - 1) ? chalk.bgRed(' error ') : chalk.bgYellow(' warning '))
        + ' '
        + chalk.gray(line + ':' + column)
        + '   rule: '
        + chalk.magenta('' + ruleId)
        + '   info: '
        + chalk.cyan('' + message)
      , 3)
    })

    log('\n')
  })

  log(''
    + 'Count: '
    + chalk.red(report.errorCount + ' error' + (fix ? '' : `(${report.fixableErrorCount} fixable)`))
    + '\t'
    + chalk.yellow(report.warningCount + ' warning' + (fix ? '' : `(${report.fixableWarningCount} fixable)`))
    + chalk.blueBright(fix ? `   ${fixedFilesCount} files fixed` : '')
  )

  const success = ['great.', 'nice!', 'beautify~', 'perfect!']
  if (report.errorCount === 0 && report.warningCount === 0)
    log('\n' + chalk.green(success[Math.floor(Math.random() * success.length)]) + '\n')

  fix && CLIEngine.outputFixes(report)
}