code: function getPackageVersion() {
    var packageJson = path.join(process.cwd(), 'package.json'),
      version;
    try {
      version = require(packageJson).version;
    } catch (unused) {
      throw new Error('Could not load package.json, please make sure it exists');
    }
    if (!semver.valid(version)) {
      throw new Error('Invalid version number found in package.json, please make sure it is valid');
    }
  
    return [ semver.major(version), semver.minor(version), semver.patch(version) ].join('.');
  }
docs: Get the current version from the package.json
  @method getPackageVersion
  @return {String} MAJOR.MINOR version