ts-npm-init/bin/init.js

创建TypeScript NPM库的现代化模板

#!/usr/bin/env node

const path = require('path');
const fs = require('fs-extra');
const chalk = require('chalk');
const inquirer = require('inquirer');
const { program } = require('commander');
const ora = require('ora');
const packageJson = require('../package.json');

// 版本和描述
program
  .version(packageJson.version)
  .description('创建TypeScript NPM库的现代化模板')
  .argument('[project-directory]', '项目目录名称')
  .parse(process.argv);

const projectDirectory = program.args[0];

// 如果没有提供项目目录，则提示用户
async function run() {
  let targetDir = projectDirectory;
  
  if (!targetDir) {
    const { dirName } = await inquirer.prompt([
      {
        type: 'input',
        name: 'dirName',
        message: '请输入项目目录名称:',
        default: 'my-ts-lib'
      }
    ]);
    targetDir = dirName;
  }
  
  const destPath = path.resolve(process.cwd(), targetDir);
  
  // 检查目录是否已存在
  if (fs.existsSync(destPath)) {
    const { overwrite } = await inquirer.prompt([
      {
        type: 'confirm',
        name: 'overwrite',
        message: `目录 ${targetDir} 已存在。是否覆盖？`,
        default: false
      }
    ]);
    
    if (!overwrite) {
      console.log(chalk.red('操作已取消'));
      return;
    }
    
    await fs.remove(destPath);
  }
  
  // 收集用户输入的包信息
  const { packageName, packageDescription, authorName } = await inquirer.prompt([
    {
      type: 'input',
      name: 'packageName',
      message: '包名称:',
      default: path.basename(targetDir)
    },
    {
      type: 'input',
      name: 'packageDescription',
      message: '包描述:',
      default: 'A TypeScript NPM library'
    },
    {
      type: 'input',
      name: 'authorName',
      message: '作者名称:',
      default: 'Your Name'
    }
  ]);
  
  // 复制模板
  const spinner = ora('创建项目...').start();
  try {
    // 模板源目录
    const templateDir = path.resolve(__dirname, '../templates');
    
    // 确保目标目录存在
    await fs.ensureDir(destPath);
    
    // 复制模板文件到目标目录
    await fs.copy(templateDir, destPath);
    
    // 将gitignore重命名为.gitignore
    const gitignorePath = path.join(destPath, 'gitignore');
    const dotGitignorePath = path.join(destPath, '.gitignore');
    if (fs.existsSync(gitignorePath)) {
      await fs.rename(gitignorePath, dotGitignorePath);
    }
    
    // 修改package.json
    const packageJsonPath = path.join(destPath, 'package.json');
    const packageJsonContent = await fs.readJson(packageJsonPath);
    
    // 更新包信息
    packageJsonContent.name = packageName;
    packageJsonContent.description = packageDescription;
    packageJsonContent.author = authorName;
    
    // 更新仓库URL
    packageJsonContent.repository.url = `https://github.com/${authorName.toLowerCase().replace(/\s+/g, '')}/${packageName}`;
    
    await fs.writeJson(packageJsonPath, packageJsonContent, { spaces: 2 });
    
    // 修改README.md
    const readmePath = path.join(destPath, 'README.md');
    let readmeContent = await fs.readFile(readmePath, 'utf8');
    
    // 替换标题和描述
    readmeContent = readmeContent.replace(/# NPM依赖开发模板/, `# ${packageName}`);
    readmeContent = readmeContent.replace(/一个用于开发NPM包\/库的TypeScript模板项目/, packageDescription);
    
    await fs.writeFile(readmePath, readmeContent, 'utf8');
    
    spinner.succeed('项目创建成功！');
    
    console.log('\n操作完成！运行以下命令开始使用:\n');
    console.log(chalk.cyan(` cd ${targetDir}`));
    console.log(chalk.cyan(' npm install'));
    console.log(chalk.cyan(' npm run dev'));
    
    console.log('\n了解更多信息，请查看 README.md 文件。');
    
  } catch (error) {
    spinner.fail('创建失败');
    console.error(chalk.red('发生错误:'), error);
  }
}

run().catch((error) => {
  console.error(chalk.red('发生错误:'), error);
  process.exit(1);
});