node-publisher/src/utils/yarn/index.js

A configurable release automation tool inspired by create-react-app and Travis CI.

const { execSync } = require('child_process');

const getYarnVersion = () => {
  try {
    const output = execSync('yarn --version', { encoding: 'utf8' });
    return output.trim();
  } catch (error) {
    // Default to yarn v1 if version detection fails
    return '1.0.0';
  }
};

const isYarnBerry = () => {
  const version = getYarnVersion();
  const majorVersion = parseInt(version.split('.')[0], 10);
  return majorVersion >= 2;
};

module.exports = {
  getYarnVersion,
  isYarnBerry
};