AK-21/Graphite-Industrial-Intelligence

1#!/usr/bin/env node2 3let { nanoid, customAlphabet } = require('..')4 5function print(msg) {6  process.stdout.write(msg + '\n')7}8 9function error(msg) {10  process.stderr.write(msg + '\n')11  process.exit(1)12}13 14if (process.argv.includes('--help') || process.argv.includes('-h')) {15  print(`16  Usage17    $ nanoid [options]18 19  Options20    -s, --size       Generated ID size21    -a, --alphabet   Alphabet to use22    -h, --help       Show this help23 24  Examples25    $ nanoid --s 1526    S9sBF77U6sDB8Yg27 28    $ nanoid --size 10 --alphabet abc29    bcabababca`)30  process.exit()31}32 33let alphabet, size34for (let i = 2; i < process.argv.length; i++) {35  let arg = process.argv[i]36  if (arg === '--size' || arg === '-s') {37    size = Number(process.argv[i + 1])38    i += 139    if (Number.isNaN(size) || size <= 0) {40      error('Size must be positive integer')41    }42  } else if (arg === '--alphabet' || arg === '-a') {43    alphabet = process.argv[i + 1]44    i += 145  } else {46    error('Unknown argument ' + arg)47  }48}49 50if (alphabet) {51  let customNanoid = customAlphabet(alphabet, size)52  print(customNanoid())53} else {54  print(nanoid(size))55}56