@electron/asar/bin/asar.mjs

Creating Electron app packages

#!/usr/bin/env node

import packageJSON from '../package.json' with { type: 'json' };
import { createPackageWithOptions, listPackage, extractFile, extractAll } from '../lib/asar.js';
import { program } from 'commander';
import fs from 'node:fs';
import path from 'node:path';

const splitVersion = function (version) { return version.split('.').map(function (part) { return Number(part) }) }
const requiredNodeVersion = splitVersion(packageJSON.engines.node.slice(2))
const actualNodeVersion = splitVersion(process.versions.node)

if (actualNodeVersion[0] < requiredNodeVersion[0] || (actualNodeVersion[0] === requiredNodeVersion[0] && actualNodeVersion[1] < requiredNodeVersion[1])) {
  console.error('CANNOT RUN WITH NODE ' + process.versions.node)
  console.error('asar requires Node ' + packageJSON.engines.node + '.')
  process.exit(1)
}

program.version('v' + packageJSON.version)
  .description('Manipulate asar archive files')

program.command('pack <dir> <output>')
  .alias('p')
  .description('create asar archive')
  .option('--ordering <file path>', 'path to a text file for ordering contents')
  .option('--unpack <expression>', 'do not pack files matching glob <expression>')
  .option('--unpack-dir <expression>', 'do not pack dirs matching glob <expression> or starting with literal <expression>')
  .option('--exclude-hidden', 'exclude hidden files')
  .action(function (dir, output, options) {
    options = {
      unpack: options.unpack,
      unpackDir: options.unpackDir,
      ordering: options.ordering,
      version: options.sv,
      arch: options.sa,
      builddir: options.sb,
      dot: !options.excludeHidden
    }
    createPackageWithOptions(dir, output, options).catch(error => {
      console.error(error)
      process.exit(1)
    })
  })

program.command('list <archive>')
  .alias('l')
  .description('list files of asar archive')
  .option('-i, --is-pack', 'each file in the asar is pack or unpack')
  .action(function (archive, options) {
    options = {
      isPack: options.isPack
    }
    const files = listPackage(archive, options)
    for (const i in files) {
      console.log(files[i])
    }
  })

program.command('extract-file <archive> <filename>')
  .alias('ef')
  .description('extract one file from archive')
  .action(function (archive, filename) {
    fs.writeFileSync(path.basename(filename),
      extractFile(archive, filename))
  })

program.command('extract <archive> <dest>')
  .alias('e')
  .description('extract archive')
  .action(function (archive, dest) {
    extractAll(archive, dest)
  })

program.command('*', { hidden: true})
  .action(function (_cmd, args) {
    console.log('asar: \'%s\' is not an asar command. See \'asar --help\'.', args[0])
  })

program.parse(process.argv)

if (program.args.length === 0) {
  program.help()
}