tang_cli/index.js

快速创建项目脚手架

#!/usr/bin/env node --harmony

const fs = require('fs');
const program = require('commander');
const download = require('download-git-repo');
const handlebars = require('handlebars');
const inquirer = require('inquirer');
const ora = require('ora');
const chalk = require('chalk');
const symbols = require('log-symbols');

const templateUrl = "github.com:tangbinqiao/template";

program.version('1.0.0','-v,--version')
    .command('init <name>')
    .action((name) => {
        if(!fs.existsSync(name)){
            inquirer.prompt([
                {
                    name:"description",
                    message:"请输入项目描述"
                },
                {
                    name:"author",
                    message:"请输入作者名称"
                }
            ]).then((answers) => {
                const spinner = ora('正在下载模板...');
                spinner.start();
                const start = Date.now();
                download(templateUrl, name, { clone:false }, (err) =>  {
                    if(err){
                        spinner.fail();
                        console.log(symbols.error, chalk.red(err))
                    }else{
                        spinner.succeed();
                        const fileName = `${name}/package.json`;
                        const meta = {
                            name,
                            description: answers.description,
                            author: answers.author
                        };
                        if(fs.existsSync(fileName)){
                            const content = fs.readFileSync(fileName).toString();
                            const result = handlebars.compile(content)(meta);
                            fs.writeFileSync(fileName, result)
                        }
                        console.log(symbols.success, chalk.green('项目初始化完成'))
                        console.log(`大约花费${new Date() - start}ms`)
                    }
                });
            });
        }else{
            console.log(symbols.error, chalk.red('项目已存在'))
        }
    });

program.parse(process.argv);