scripts.js

const childProcess = require('child_process');
const fs = require('fs-extra');
const semver = require('semver');
const util = require('util');

const exec = util.promisify(childProcess.exec);
const [cmd, arg] = process.argv.slice(2);

async function runScript() {
  switch (cmd) {
    case 'clean':
      await clean();
      break;
    case 'copy':
      await copy();
      break;
    case 'log_publish_version':
      await logVersionToPublish();
      break;
    case 'prepare_release':
      await prepareRelease();
      break;
    default:
      throw new Error(`Invalid script: "${cmd}"`);
  }
}

async function clean() {
  await fs.remove('umd');
  await fs.remove('esm');
}

async function copy() {
  await fs.copy('umd/CancelablePromise.d.ts', 'esm/CancelablePromise.d.ts');
}

async function logVersionToPublish() {
  const changelog = await fs.readFile('CHANGELOG.md', { encoding: 'utf8' });
  const match = /(?<version>\d+\.\d+\.\d+)/.exec(changelog);
  const { version } = match.groups;
  let { stdout } = await exec('npm view cancelable-promise version');
  const currentVersion = stdout.toString().trim();
  if (semver.valid(version) && semver.gt(version, currentVersion)) {
    console.log(version);
  }
}

async function prepareRelease() {
  const currentVersion = require('./package.json').version;
  const newVersion = semver.inc(currentVersion, arg || 'patch');
  const { date } = /(?<date>\d+-\d+-\d+)/.exec(new Date().toISOString()).groups;
  const url = `https://github.com/alkemics/CancelablePromise/releases/tag/v${newVersion}`;
  const { stdout } = await exec(
    `git log --oneline --pretty=format:'- %s' origin/master..HEAD`
  );
  const dict = {};
  const commits = stdout
    .toString()
    .trim()
    .replace(/(\r\n)|\r|\n/g, '\n')
    .split(/\n+/g)
    .filter((c) => {
      if (c.includes('Merge pull request #')) {
        return false;
      }
      if (c.includes('chore(deps-dev): bump')) {
        if (
          [
            '@babel/cli',
            '@babel/core',
            '@babel/preset-env',
            '@babel/preset-typescript',
            'core-js',
            'terser',
          ].some((dep) => {
            const result = !(dep in dict) && c.includes(dep);
            if (result) {
              dict[dep] = true;
            }
            return result;
          })
        ) {
          return true;
        }
        return false;
      }
      return true;
    })
    .join('\n');
  let changelog = await fs.readFile('CHANGELOG.md', { encoding: 'utf8' });
  changelog = `## [${newVersion}](${url}) (${date})

${commits}

${changelog}`;
  await fs.writeFile('CHANGELOG.md', changelog, { encoding: 'utf8' });
  if (!process.argv.includes('--no-commit')) {
    await exec('git add CHANGELOG.md');
    await exec(
      `git commit -m "chore(release): update changelog for v${newVersion}" --no-verify`
    );
    await exec(
      `npm version --no-commit-hooks ${newVersion} -m 'chore(release) v${newVersion}'`
    );
  }
}

runScript().catch((err) => {
  console.error(err);
  process.exit(1);
});