index.js

import program from 'commander';
import inquirer from 'inquirer';
import downloadGit from 'download-git-repo';
import ora from 'ora';
import chalk from 'chalk';
import fs from 'fs/promises';
const projectList = [
    // { name: 'cd-web-m', value: 'http://git.daicms.com/cd-web-m.git#master' },
    { name: 'dai-vue-m', value: 'http://git.daicms.com/dai-vue-temp-m.git#master' },
    { name: 'dai-web-w', value: 'http://git.daicms.com/dai-vue-temp-m.git#master' }
];
//下载项目
let downloadProject = function () {
    return new Promise(function (a, b) {
        
        const spinner = ora('下载中...');
        spinner.start();
        downloadGit('direct:' + answers.url, './', { clone: true }, async (err) => {
            if (err) {
                spinner.fail();
                console.log(chalk.red(err));
            } else {
                spinner.succeed();
                const fileName = './package.json';
                const meta = {
                    name: answers.name,
                    description: answers.description,
                    author: answers.author
                };
                // if (await fs.access(fileName)) {
                let content = await fs.readFile(fileName);
                content = JSON.parse(content.toString());
                Object.assign(content, meta);
                await fs.writeFile(fileName, JSON.stringify(content, null, 4));
                // }
                console.log(chalk.green('项目创建成功'));
            }
        });
    });
};
let exec = async function () {
    //判断目录是否为空
    let list = await fs.readdir('./');
    if (list.length > 0) {
        console.error(chalk.redBright('目录不为空，创建失败'));
        return;
    }
    program
        .command('init')
        // .alias('i')
        // .description('初始化')
        // .option('-x, --xxx', 'xxx') // 有参数时使用
        .action(async () => {
            let answers = await inquirer.prompt([
                {
                    name: 'name',
                    message: '请输入项目名称'
                },
                {
                    name: 'description',
                    message: '请输入项目描述(可为空)',
                    default: 'description'
                },
                {
                    name: 'author',
                    message: '请输入作者名称(可为空)',
                    default: 'description'
                },
                {
                    type: 'list',
                    name: 'url',
                    message: '请选择项目类型',
                    choices: projectList
                }
            ]);
            console.log(answers);

            const spinner = ora('下载中...');
            spinner.start();
            downloadGit('direct:' + answers.url, './', { clone: true }, async (err) => {
                if (err) {
                    spinner.fail();
                    console.log(chalk.red(err));
                } else {
                    spinner.succeed();
                    const fileName = './package.json';
                    const meta = {
                        name: answers.name,
                        description: answers.description,
                        author: answers.author
                    };
                    // if (await fs.access(fileName)) {
                    let content = await fs.readFile(fileName);
                    content = JSON.parse(content.toString());
                    Object.assign(content, meta);
                    await fs.writeFile(fileName, JSON.stringify(content, null, 4));
                    // }
                    console.log(chalk.green('项目创建成功'));
                }
            });
        });

    program.parse(process.argv);
};
exec()
    .then(function () {
        console.log('运行结束，退出');
        process.exit(0);
    })
    .catch(function (ex) {
        console.error(ex);
        debugger;
        process.exit(0);
    });