omii-cli/main.js

cli for omii

#!/usr/bin/env node

import { program } from 'commander'
import path from "path"
import fs from "fs-extra"
import inquirer from "inquirer"
import chalk from "chalk"
import symbols from "log-symbols"
import handlebars from 'handlebars';
import url from "node:url"
import ora from "ora";
import download from "download-git-repo";

const __dirname = path.dirname(url.fileURLToPath(import.meta.url))

program
    .command('create <name>')
    .description('初始化模板')
    .action(async name => {
        // 判断用户是否输入应用名称，如果没有设置为 myApp
        const projectName = name || 'omii-app'
        // 获取 template 文件夹路径
        const sourceProjectPath = __dirname + '/template/'
        // 获取命令所在文件夹路径
        // path.resolve(name) == process.cwd() + '/' + name
        const targetProjectPath = path.resolve(projectName)

        // 判断文件夹是否存在及其后续逻辑
        if (fs.existsSync(targetProjectPath)) {
            console.log(symbols.info, chalk.red(`文件夹 ${projectName} 已经存在！`))
            try {
                const { isCover } = await inquirer.prompt([
                    { name: 'isCover', message: '是否要覆盖当前文件夹的内容', type: 'confirm' }
                ])
                if (!isCover) {
                    return
                }
            } catch (error) {
                console.log(symbols.fail, chalk.red('项目初始化失败，已退出!'))

                return
            }
        }
        // 创建一个空的文件夹
        fs.emptyDirSync(targetProjectPath)

        try {
            // 将模板文件夹中的内容复制到目标文件夹（目标文件夹为命令输入所在文件夹）
            const spinner = ora("开始下载...");
            spinner.start();
            download(
                "lv-saharan/omii-template-default",
                targetProjectPath,
                async err => {
                    if (err) {
                        spinner.fail();
                        console.log(chalk.red(`下载失败！ ${err}`))
                        return
                    }
                    // 结束加载图标
                    spinner.succeed();
                    console.log(chalk.cyan('\n 下载成功!'))


                    // 获取项目的描述及作者名称等信息
                    const { projectDescription, projectAuthor } = await inquirer.prompt([
                        { name: 'projectDescription', message: '请输入项目描述:' },
                        { name: 'projectAuthor', message: '请输入作者:' }
                    ])

                    const meta = {
                        projectAuthor,
                        projectDescription,
                        projectName
                    }

                    // 获取拷贝后的模板项目中的 `package.json`
                    const targetPackageFile = targetProjectPath + '/package.json'
                    if (fs.pathExistsSync(targetPackageFile)) {
                        // 读取文件，并转换成字符串模板
                        const content = fs.readFileSync(targetPackageFile).toString()
                        // 利用 handlebars 将需要的内容写入到模板中
                        const result = handlebars.compile(content)(meta)
                        fs.writeFileSync(targetPackageFile, result)

                        console.log(chalk.cyan(`启动项目：`))

                        console.log(chalk.cyan(`        cd ${projectName}`))
                        console.log(chalk.cyan(`        npm i`))
                        console.log(chalk.cyan(`        npm start`))

                    } else {
                        console.log('package.json 文件不存在：' + targetPackageFile)
                    }

                }
            )

        } catch (err) {
            console.error(symbols.fail, chalk.red('项目初始化失败，已退出!'))
            return
        }


    })


program.parse(process.argv)