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| #!/usr/bin/env node import { program } from 'commander'; import inquirer from 'inquirer'; import fs from 'node:fs'; import { execSync } from 'node:child_process'; import path from 'node:path'; import axios from 'axios'; import ora from 'ora'; import chalk from 'chalk'; const { existsSync, readFileSync, writeFileSync } = fs; const { join } = path;
const CONFIG_PATH = join(process.env.HOME || process.env.USERPROFILE, '.npm-mirror.json');
const DEFAULT_MIRRORS = { npm: { registry: 'https://registry.npmjs.org', home: 'https://www.npmjs.com', description: '官方 NPM 镜像' }, taobao: { registry: 'https://registry.npmmirror.com', home: 'https://npmmirror.com', description: '淘宝 NPM 镜像,国内推荐' }, huawei: { registry: 'https://mirrors.huaweicloud.com/repository/npm/', home: 'https://developer.huawei.com', description: '华为 NPM 镜像' }, cnpm: { registry: 'https://r.cnpmjs.org', home: 'https://cnpmjs.org', description: 'cnpm 镜像' } };
function readConfig() { if (existsSync(CONFIG_PATH)) { try { return JSON.parse(readFileSync(CONFIG_PATH, 'utf8')); } catch (error) { console.error(chalk.red('配置文件解析失败,将使用默认配置')); } } return { current: 'npm', mirrors: DEFAULT_MIRRORS }; }
function saveConfig(config) { writeFileSync(CONFIG_PATH, JSON.stringify(config, null, 2), 'utf8'); }
function getCurrentMirror(config) { return config.mirrors[config.current] || config.mirrors.npm; }
function setMirror(name, config) { if (!config.mirrors[name]) { console.error(chalk.red(`镜像源 ${name} 不存在`)); return false; }
try { execSync(`npm config set registry ${config.mirrors[name].registry}`); config.current = name; saveConfig(config); console.log(chalk.green(`✅ 已成功将镜像源设置为 ${name}`)); return true; } catch (error) { console.error(chalk.red(`设置镜像源失败: ${error.message}`)); return false; } } const config = readConfig();
async function testMirrorSpeed(registry) { const testUrl = `${registry}/react/latest`; const spinner = ora(`正在测试 ${registry} 速度...`).start(); try { const start = Date.now(); await axios.head(testUrl, { timeout: 5000 }); const end = Date.now(); const time = end - start; spinner.succeed(`测试完成: ${registry} - ${time}ms`); return time; } catch (error) { spinner.fail(`测试失败: ${registry} - ${error.message}`); return Infinity; } }
function listMirrors() { console.log(chalk.bold('\n可用镜像源列表:\n')); Object.entries(config.mirrors).forEach(([name, mirror]) => { const isCurrent = name === config.current; const prefix = isCurrent ? chalk.green('* ') : ' '; console.log(`${prefix}${chalk.cyan(name)} - ${mirror.description}`); console.log(` ${chalk.gray('registry:')} ${mirror.registry}`); console.log(` ${chalk.gray('home:')} ${mirror.home}\n`); }); }
function showCurrentMirror() { const current = getCurrentMirror(config); console.log(chalk.cyan(`当前使用的镜像源: ${config.current}`)); console.log(chalk.gray(`registry: ${current.registry}`)); console.log(chalk.gray(`home: ${current.home}`)); }
function addCustomMirror(name, registry, home = '无', description = '自定义镜像源') { if (!name || !registry) { console.log(chalk.red('请输入正确的镜像源信息')); return; } if (config.mirrors[name]) { console.log(chalk.red(`镜像源 ${name} 已存在`)); return; } config.mirrors[name] = { registry, home, description }; saveConfig(config); console.log(chalk.green(`✅ 已添加镜像源 ${name}`)); }
async function testMirror() { console.log(chalk.bold('\n正在测试所有镜像源速度...\n')); const results = [];
for (const [name, mirror] of Object.entries(config.mirrors)) { const time = await testMirrorSpeed(mirror.registry); results.push({ name, time }); }
console.log(chalk.bold('\n测试结果(按速度排序):\n')); results.sort((a, b) => a.time - b.time).forEach(({ name, time }, index) => { const isCurrent = name === config.current; const prefix = isCurrent ? chalk.green('* ') : ' '; const timeStr = time === Infinity ? '超时' : `${time}ms`; const rank = index + 1; console.log(`${prefix}${rank}. ${chalk.cyan(name)} - ${timeStr}`); }); }
async function main() { program .version('1.0.0') .description('NPM 镜像源管理工具');
program .command('list') .description('列出所有可用镜像源') .action(listMirrors);
program .command('use <name>') .description('切换到指定镜像源') .action((name) => { setMirror(name, config); });
program .command('current') .description('查看当前使用的镜像源') .action(showCurrentMirror);
program .command('add <name> <registry> [home] [description]') .description('添加自定义镜像源') .action(addCustomMirror);
program .command('delete <name>') .description('删除镜像源') .action((name) => { if (name === 'npm' || name === 'taobao') { console.error(chalk.red('不能删除内置镜像源')); return; }
if (!config.mirrors[name]) { console.error(chalk.red(`镜像源 ${name} 不存在`)); return; }
if (config.current === name) { config.current = 'npm'; }
delete config.mirrors[name]; saveConfig(config); console.log(chalk.green(`✅ 已删除镜像源 ${name}`)); });
program .command('test') .description('测试所有镜像源速度') .action(testMirror);
program .command('interactive') .description('交互式界面') .action(async () => { const { action } = await inquirer.prompt([{ type: 'list', name: 'action', message: '请选择操作:', choices: [ '查看当前镜像源', '列出所有镜像源', '切换镜像源', '添加自定义镜像源', '测试镜像源速度', '退出' ] }]);
switch (action) { case '查看当前镜像源': showCurrentMirror(); break; case '列出所有镜像源': listMirrors(); break; case '切换镜像源': const { mirror } = await inquirer.prompt([{ type: 'list', name: 'mirror', message: '选择要使用的镜像源:', choices: Object.keys(config.mirrors) }]); setMirror(mirror, config); break; case '添加自定义镜像源': const answers = await inquirer.prompt([ { type: 'input', name: 'name', message: '镜像源名称:' }, { type: 'input', name: 'registry', message: 'registry 地址:' }, { type: 'input', name: 'home', message: '主页地址:' }, { type: 'input', name: 'description', message: '描述信息:' } ]); addCustomMirror(answers.name, answers.registry, answers.home, answers.description); break; case '测试镜像源速度': testMirror(); break; case '退出': console.log(chalk.yellow('👋 再见!')); break; } });
if (process.argv.length < 3) { program.help(); } else { program.parse(process.argv); } }
main();
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