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#!/usr/bin/env node
const generate = require('../dist/astring').generateconst version = require('../package').versionconst fs = require('fs')const path = require('path')
const argv = process.argv.slice(2)const options = {  indent: '  ',  lindeEnd: '\n',  startingIndentLevel: 0,}const files = []
function printHelp(status) {  // eslint-disable-next-line no-console  const print = status === 0 ? console.log : console.error  const binName = path.basename(process.argv[1])  print('Usage: ' + binName + ' [-h, --help] [-v, --version]')  print(    '       ' +      binName +      ' [-i, --indent INDENT] [-l, --line-end LINE_END] [-s, --starting-indent-level LEVEL] files...',  )  process.exit(status)}
function printVersion() {  // eslint-disable-next-line no-console  console.log(version)  process.exit(0)}
for (let i = 0, length = argv.length; i < length; i++) {  let arg = argv[i]  if (arg[0] === '-') {    switch (arg) {      case '-i':      case '--indent':        options.indent = argv[++i]        break      case '-l':      case '--line-end':        options.lineEnd = argv[++i]        break      case '-s':      case '--starting-indent-level':        options.startingIndentLevel = parseInt(argv[++i])        break      case '-h':      case '--help':        printHelp(0)        break      case '-v':      case '--version':        printVersion()        break      default:        console.error('Option "' + arg + '" not supported.')        printHelp(1)        break    }  } else {    files.push(arg)  }}
options.output = process.stdout
if (files.length === 0) {  let data = ''  process.stdin.setEncoding('utf8')  process.stdin.resume()  process.stdin    .on('data', function (chunk) {      data += chunk    })    .on('end', function () {      try {        generate(JSON.parse(data), options)      } catch (error) {        console.error('Error: ' + error.message)        process.exit(1)      }    })} else {  let hasError = false  for (let i = 0, length = files.length; i < length; i++) {    try {      let file = files[i]      generate(JSON.parse(fs.readFileSync(file, 'utf8')), options)    } catch (error) {      console.error('Error: ' + error.message)      if (hasError !== true) {        hasError = true      }    }  }  if (hasError) {    process.exit(1)  }}