code: function getPackageExportNames(packagePath) {
    const packageMeta = getPackageMeta(packagePath);
    const packageModulePath = path.join(packagePath, packageMeta.module);
    const moduleFileSource = fs.readFileSync(packageModulePath, "utf8");
    const { body } = esprima.parseModule(moduleFileSource);
  
    return body.reduce((result, statement) => {
      if (statement.type === "ExportDefaultDeclaration") {
        return result.concat(["default"]);
      }
  
      if (statement.type === "ExportNamedDeclaration") {
        return result.concat(getNamesFromDeclaration(statement));
      }
  
      return result;
    }, []);
  }
docs: Parsed the package's main module and returns all of the export names
  @param {string} packageName
  @returns {string[]}