ice-devtools/utils/npm.js

const kebabCase = require('kebab-case');
const chalk = require('chalk');
const spawn = require('cross-spawn');
const { getNpmInfo, isAliNpm } = require('ice-npm-utils');

/**
 * 获取 npm 包名
 * @param {string} name
 * @param {string} npmPrefix
 */
function generateNpmNameByPrefix(name, npmPrefix) {
  return npmPrefix + kebabCase(name).replace(/^-/, '');
}

/**
 * 检测 NPM 包是否已发送，并返回包的发布时间
 * @param  {string} npm      package name
 * @param  {String} version  pacage version
 * @param  {String} registry npm registry
 * @return {array}
 *         [code, resute]
 */
function getNpmTime(npm, version = 'latest') {
  return getNpmInfo(npm)
    .then((data) => {
      if (!data.time) {
        console.error(chalk.red('time 字段不存在'));
        return Promise.reject(new Error(`${npm}@${version} time 字段不存在`));
      }
      // 传进来的可能是 latest 这种非 数字型的 版本号
      const distTags = data['dist-tags'];
      version = distTags[version] || version;
      const { versions } = data;
      if (!versions || versions[version] === undefined) {
        return Promise.reject(new Error(`${npm}@${version} 未发布! 禁止提交!`));
      }
      return data.time;
    })
    .catch((err) => {
      if (
        (err.response && err.response.status === 404)
        || err.message === 'Not found' // tnpm
        || /not found/.test(err.message) // tnpm
        || err.message === 'not_found' // npm
      ) {
        // 这种情况是该 npm 包名一次都没有发布过
        return Promise.reject(new Error(`[ERR checkAndQueryNpmTime] ${npm}@${version} 包未发布! 禁止提交!`));
      }

      return Promise.reject(err);
    });
}

/**
 * get NPM registry
 *
 * @returns {string} npm registry url
 */
function getNpmRegistry(npmName) {
  // return REGISTRY env variable
  if (process.env.REGISTRY) return process.env.REGISTRY;

  // return tnpm if is a interior npm
  if (isAliNpm(npmName)) return 'https://registry.npm.alibaba-inc.com';

  // get registry through npm config
  let npmRegistry = spawn.sync('npm', ['config', 'get', 'registry'], { stdio: ['ignore', 'pipe', 'pipe'] });
  npmRegistry = npmRegistry.stdout.toString().replace(/\/+(\n?)$/, '');

  // return registry
  if (isVaildRegistry(npmRegistry)) return npmRegistry;

  // default
  return 'https://registry.npmjs.com';
}

/**
 * verify a registry URL
 *
 * @param {string} url
 */
function isVaildRegistry(url) {
  return /^(https?):\/\/.+$/.test(url);
}

module.exports = {
  generateNpmNameByPrefix,
  getNpmTime,
  getNpmRegistry,
};