text: #!/usr/bin/env node
  
  var fs = require('fs')
  
  var browserslist = require('./')
  var updateDb = require('./update-db')
  var pkg = require('./package.json')
  
  var args = process.argv.slice(2)
  
  var USAGE =
    'Usage:\n' +
    '  npx browserslist\n' +
    '  npx browserslist "QUERIES"\n' +
    '  npx browserslist --json "QUERIES"\n' +
    '  npx browserslist --config="path/to/browserlist/file"\n' +
    '  npx browserslist --coverage "QUERIES"\n' +
    '  npx browserslist --coverage=US "QUERIES"\n' +
    '  npx browserslist --coverage=US,RU,global "QUERIES"\n' +
    '  npx browserslist --env="environment name defined in config"\n' +
    '  npx browserslist --stats="path/to/browserlist/stats/file"\n' +
    '  npx browserslist --mobile-to-desktop\n' +
    '  npx browserslist --ignore-unknown-versions\n' +
    '  npx browserslist --update-db'
  
  function isArg(arg) {
    return args.some(function (str) {
      return str === arg || str.indexOf(arg + '=') === 0
    })
  }
  
  function error(msg) {
    process.stderr.write('browserslist: ' + msg + '\n')
    process.exit(1)
  }
  
  if (isArg('--help') || isArg('-h')) {
    process.stdout.write(pkg.description + '.\n\n' + USAGE + '\n')
  } else if (isArg('--version') || isArg('-v')) {
    process.stdout.write('browserslist ' + pkg.version + '\n')
  } else if (isArg('--update-db')) {
    /* c8 ignore next 3 */
    updateDb(function (str) {
      process.stdout.write(str)
    })
  } else {
    var mode = 'browsers'
    var opts = {}
    var queries
    var areas
  
    for (var i = 0; i < args.length; i++) {
      if (args[i][0] !== '-') {
        queries = args[i].replace(/^["']|["']$/g, '')
        continue
      }
  
      var arg = args[i].split('=')
      var name = arg[0]
      var value = arg[1]
  
      if (value) value = value.replace(/^["']|["']$/g, '')
  
      if (name === '--config' || name === '-b') {
        opts.config = value
      } else if (name === '--env' || name === '-e') {
        opts.env = value
      } else if (name === '--stats' || name === '-s') {
        opts.stats = value
      } else if (name === '--coverage' || name === '-c') {
        if (mode !== 'json') mode = 'coverage'
        if (value) {
          areas = value.split(',')
        } else {
          areas = ['global']
        }
      } else if (name === '--json') {
        mode = 'json'
      } else if (name === '--mobile-to-desktop') {
        /* c8 ignore next */
        opts.mobileToDesktop = true
      } else if (name === '--ignore-unknown-versions') {
        /* c8 ignore next */
        opts.ignoreUnknownVersions = true
      } else {
        error('Unknown arguments ' + args[i] + '.\n\n' + USAGE)
      }
    }
  
    var browsers
    try {
      browsers = browserslist(queries, opts)
    } catch (e) {
      if (e.name === 'BrowserslistError') {
        error(e.message)
      } else /* c8 ignore start */ {
        throw e
      } /* c8 ignore end */
    }
  
    var coverage
    if (mode === 'browsers') {
      browsers.forEach(function (browser) {
        process.stdout.write(browser + '\n')
      })
    } else if (areas) {
      coverage = areas.map(function (area) {
        var stats
        if (area !== 'global') {
          stats = area
        } else if (opts.stats) {
          stats = JSON.parse(fs.readFileSync(opts.stats))
        }
        var result = browserslist.coverage(browsers, stats)
        var round = Math.round(result * 100) / 100.0
  
        return [area, round]
      })
  
      if (mode === 'coverage') {
        var prefix = 'These browsers account for '
        process.stdout.write(prefix)
        coverage.forEach(function (data, index) {
          var area = data[0]
          var round = data[1]
          var end = 'globally'
          if (area && area !== 'global') {
            end = 'in the ' + area.toUpperCase()
          } else if (opts.stats) {
            end = 'in custom statistics'
          }
  
          if (index !== 0) {
            process.stdout.write(prefix.replace(/./g, ' '))
          }
  
          process.stdout.write(round + '% of all users ' + end + '\n')
        })
      }
    }
  
    if (mode === 'json') {
      var data = { browsers: browsers }
      if (coverage) {
        data.coverage = coverage.reduce(function (object, j) {
          object[j[0]] = j[1]
          return object
        }, {})
      }
      process.stdout.write(JSON.stringify(data, null, '  ') + '\n')
    }
  }
  