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import { resolve } from 'https://deno.land/std@0.106.0/path/mod.ts'import { parse } from 'https://deno.land/std@0.106.0/flags/mod.ts'import { existsDir } from './shared/fs.ts'import log, { LevelNames } from './shared/log.ts'import util from './shared/util.ts'import { VERSION } from './version.ts'
const commands = {  'init': 'Create a new app',  'dev': 'Start the app in development mode',  'start': 'Start the app in production mode',  'build': 'Build the app to a static site (SSG)',  'analyze': 'Analyze the app deps',  'upgrade': 'Upgrade Aleph.js command'}
const helpMessage = `Aleph.js v${VERSION}The Full-stack Framework in Deno.
Docs: https://alephjs.org/docsBugs: https://github.com/alephjs/aleph.js/issues
Usage:    aleph <command> [...options]
Commands:    ${Object.entries(commands).map(([name, desc]) => `${name.padEnd(15)}${desc}`)    .join('\n    ')  }
Options:    -v, --version  Prints version number    -h, --help     Prints help message`
async function main() {  const { _: args, ...options } = parse(Deno.args)
  // prints aleph.js version  if (options.v) {    console.log(`aleph.js v${VERSION}`)    Deno.exit(0)  }
  // prints aleph.js and deno version  if (options.version) {    const { deno, v8, typescript } = Deno.version    console.log([      `aleph.js ${VERSION}`,      `deno ${deno}`,      `v8 ${v8}`,      `typescript ${typescript}`,    ].join('\n'))    Deno.exit(0)  }
  // prints help message when the command not found  if (!(args.length > 0 && args[0] in commands)) {    console.log(helpMessage)    Deno.exit(0)  }
  const command = String(args.shift()) as keyof typeof commands  const { default: cmd, helpMessage: cmdHelpMessage } = await import(`./commands/${command}.ts`)
  // prints command help message  if (options.h || options.help) {    console.log(commands[command])    console.log(cmdHelpMessage)    Deno.exit(0)  }
  // execute `init` command  if (command === 'init') {    await cmd(options?.template, args[0])    return  }
  // execute `upgrade` command  if (command === 'upgrade') {    await cmd(options.v || options.version || args[0] || 'latest')    return  }
  // set log level  const l = options.L || options['log-level']  if (util.isFilledString(l)) {    log.setLevel(l.toLowerCase() as LevelNames)  }
  // check working dir  const workingDir = resolve(String(args[0] || '.'))  if (!await existsDir(workingDir)) {    log.fatal('No such directory:', workingDir)  }
  await cmd(workingDir, options)}
if (import.meta.main) {  main()}