Claim your NPM package with an one-liner

claim-pkg.mjs

#!/usr/bin/env zx

const args = process.argv.slice(2);

// Process CLI arguments
if (args.length < 2) {
  console.log("Usage: npx zx https://dub.sh/npm-claim <package-name>");
  process.exit(1);
}

const packageName = args[1];

// Check if package exists already in NPM
const exists = await spinner(
  `Checking if ${packageName} is available...`,
  async () => {
    const res = await fetch(
      `https://registry.npmjs.org/${encodeURIComponent(packageName)}`
    );
    return res.status === 200;
  }
);

if (exists) {
  console.log(`Package ${packageName} already exists`);
  process.exit(0);
}

// Create the new package locally in 0.0.1-claimed version
const created = await spinner(`Creating ${packageName}...`, async () => {
  await fs.ensureDir(packageName);
  cd(packageName);
  $.cwd = process.cwd();

  if ((await $`npm init -y`.quiet().exitCode) !== 0) {
    return false;
  }

  if (
    (await $`sed -i -e 's/1\.0\.0/0\.0\.1-claimed/g' package.json`.quiet()
      .exitCode) !== 0
  ) {
    return false;
  }

  await fs.remove("package.json-e");

  return true;
});

if (!created) {
  cd("../");
  await fs.remove(packageName);
  console.log("Failed to create the package. Please try again.");
  process.exit(1);
}

// Check if the npm CLI is logged in
const isLoggedIn = (await $`npm whoami`.quiet().exitCode) === 0;

if (!isLoggedIn) {
  cd("../");
  await fs.remove(packageName);
  console.log(
    "Please login to npm using `npm login` and rerun the tool to claim your package"
  );
  process.exit(1);
}

const otp = await question("Are you using 2FA? If yes, provide the OTP: ");

// Publish the package to NPM
const published = await spinner(`Registering ${packageName}...`, async () => {
  $.cwd = process.cwd();
  return (await $`npm publish --otp ${otp}`.quiet().exitCode) === 0;
});

if (!published) {
  await fs.remove(packageName);
  console.log(`${packageName} failed to register. Please try again.`);
  process.exit(1);
}

console.log(`🔨 ${packageName} was registered successfully!`);