check-names.mjs

import fs from 'node:fs'
import { fileURLToPath } from 'node:url'
import path from 'node:path'

import pkg from '../packages.json' assert { type: 'json' }

const source = process.argv[2] || 'names.txt'
const names = fs.readFileSync(fileURLToPath(new URL(path.join('data', source), import.meta.url)), 'utf-8').split('\n')
const resumeFrom = process.argv[3]
let resumed = !resumeFrom

for (let name of names) {
  name = name.trim().toLowerCase()
  console.log(`Checking \`${name}\`.`)
  if (!name || pkg.includes(name) || !/^\w+$/.test(name) || (!resumed && name !== resumeFrom)) continue
  resumed = true
  // check if package exists on npm
  const data = await fetch(`https://registry.npmjs.org/${name}`).then(r => r.json())
  if (data.error) {
    console.log(`\`${name}\` is available.`)
    process.exit()
  }
}