"bin": {
  "lz": "./bin/www"
 },

#! /usr/bin/env node
require('../lib/index.js');

#! /usr/bin/env node

const program = require('commander')

program.version('1.0.0')
  .usage('<command> [項(xiàng)目名稱]')
  .command('init', '創(chuàng)建新項(xiàng)目')
 .parse(process.argv);

npm link

lz init hello

#! /usr/bin/env node
require('../lib/init.js');

const program = require('commander')
const path = require('path')
const fs = require('fs')
const glob = require('glob') // npm i glob -D
const download = require('../lib/download.js')
const inquirer = require('inquirer')
const chalk = require('chalk')
const generator = require('../lib/generator')
const logSymbols = require("log-symbols");

 
program.usage('<project-name>')

// 根據(jù)輸入，獲取項(xiàng)目名稱
let projectName = process.argv[2];

if (!projectName) { // project-name 必填
 // 相當(dāng)于執(zhí)行命令的--help選項(xiàng)，顯示help信息，這是commander內(nèi)置的一個(gè)命令選項(xiàng)
 program.help()
 return
}

const list = glob.sync('*') // 遍歷當(dāng)前目錄

let next = undefined;

let rootName = path.basename(process.cwd());
if (list.length) { // 如果當(dāng)前目錄不為空
 if (list.some(n => {
  const fileName = path.resolve(process.cwd(), n);
  const isDir = fs.statSync(fileName).isDirectory();
  return projectName === n && isDir
 })) {
  console.log(`項(xiàng)目${projectName}已經(jīng)存在`);
  return;
 }
 rootName = projectName;
 next = Promise.resolve(projectName);
} else if (rootName === projectName) {
 rootName = '.';
 next = inquirer.prompt([
  {
   name: 'buildInCurrent',
   message: '當(dāng)前目錄為空，且目錄名稱和項(xiàng)目名稱相同，是否直接在當(dāng)前目錄下創(chuàng)建新項(xiàng)目？',
   type: 'confirm',
   default: true
  }
 ]).then(answer => {
  return Promise.resolve(answer.buildInCurrent ? '.' : projectName)
 })
} else {
 rootName = projectName;
 next = Promise.resolve(projectName)
}

next && go()

function go() {
 next
  .then(projectRoot => {
   if (projectRoot !== '.') {
    fs.mkdirSync(projectRoot)
   }
   return download(projectRoot).then(target => {
    return {
     name: projectRoot,
     root: projectRoot,
     downloadTemp: target
    }
   })
  })
  .then(context => {
   return inquirer.prompt([
    {
     name: 'projectName',
     message: '項(xiàng)目的名稱',
     default: context.name
    }, {
     name: 'projectVersion',
     message: '項(xiàng)目的版本號(hào)',
     default: '1.0.0'
    }, {
     name: 'projectDescription',
     message: '項(xiàng)目的簡(jiǎn)介',
     default: `A project named ${context.name}`
    }
   ]).then(answers => {
    return {
     ...context,
     metadata: {
      ...answers
     }
    }
   })
  })
  .then(context => {
   //刪除臨時(shí)文件夾，將文件移動(dòng)到目標(biāo)目錄下
   return generator(context);
  })
  .then(context => {
   // 成功用綠色顯示，給出積極的反饋
   console.log(logSymbols.success, chalk.green('創(chuàng)建成功:)'))
   console.log(chalk.green('cd ' + context.root + '\nnpm install\nnpm run dev'))
  })
  .catch(err => {
   // 失敗了用紅色，增強(qiáng)提示
   console.log(err);
   console.error(logSymbols.error, chalk.red(`創(chuàng)建失?。?{err.message}`))
  })
}

const download = require('download-git-repo')
const path = require("path")
const ora = require('ora')

module.exports = function (target) {
 target = path.join(target || '.', '.download-temp');
 return new Promise(function (res, rej) {
  // 這里可以根據(jù)具體的模板地址設(shè)置下載的url，注意，如果是git，url后面的branch不能忽略
  let url='github:ZoeLeee/BaseLearnCli#bash';
  const spinner = ora(`正在下載項(xiàng)目模板，源地址：${url}`)
  spinner.start();

  download(url, target, { clone: true }, function (err)
  {
    if (err) {
      download(url, target, { clone: false }, function (err)
      {
        if (err) {
          spinner.fail();
          rej(err)
        }
        else {
          // 下載的模板存放在一個(gè)臨時(shí)路徑中，下載完成后，可以向下通知這個(gè)臨時(shí)路徑，以便后續(xù)處理
          spinner.succeed()
          res(target)
        }
      })
    }
    else {
      // 下載的模板存放在一個(gè)臨時(shí)路徑中，下載完成后，可以向下通知這個(gè)臨時(shí)路徑，以便后續(xù)處理
      spinner.succeed()
      res(target)
    }
  })
 })
}

{
 "name": "{{projectName}}",
 "version": "{{projectVersion}}",
 "description": "{{projectDescription}}",
 "main": "./src/index.js",
 "scripts": {
  "dev": "webpack-dev-server --config ./config/webpack.config.js",
  "build": "webpack --config ./config/webpack.config.js --mode production"
 },
 "author": "{{author}}",
 "license": "ISC",
 "devDependencies": {
  "@babel/core": "^7.3.3",
  "@babel/preset-env": "^7.3.1",
  "@babel/preset-react": "^7.0.0",
  "babel-loader": "^8.0.5",
  "clean-webpack-plugin": "^1.0.1",
  "css-loader": "^2.1.0",
  "html-webpack-plugin": "^3.2.0",
  "style-loader": "^0.23.1",
  "webpack": "^4.28.2",
  "webpack-cli": "^3.1.2",
  "webpack-dev-server": "^3.2.0"
 },
 "dependencies": {
  "react": "^16.8.2",
  "react-dom": "^16.8.2"
 }
}

const Metalsmith = require('metalsmith')
const Handlebars = require('handlebars')
const remove = require("../lib/remove")
const fs = require("fs")
const path = require("path")

module.exports = function (context) {
 let metadata = context.metadata;
 let src = context.downloadTemp;
 let dest = './' + context.root;
 if (!src) {
  return Promise.reject(new Error(`無(wú)效的source：${src}`))
 }

 return new Promise((resolve, reject) => {
  const metalsmith = Metalsmith(process.cwd())
   .metadata(metadata)
   .clean(false)
   .source(src)
   .destination(dest);
  // 判斷下載的項(xiàng)目模板中是否有templates.ignore
  const ignoreFile = path.resolve(process.cwd(), path.join(src, 'templates.ignore'));

  const packjsonTemp = path.resolve(process.cwd(), path.join(src, 'package_temp.json'));

  let package_temp_content;

  if (fs.existsSync(ignoreFile)) {
   // 定義一個(gè)用于移除模板中被忽略文件的metalsmith插件
   metalsmith.use((files, metalsmith, done) => {
    const meta = metalsmith.metadata()
    // 先對(duì)ignore文件進(jìn)行渲染，然后按行切割ignore文件的內(nèi)容，拿到被忽略清單
    const ignores = Handlebars
     .compile(fs.readFileSync(ignoreFile).toString())(meta)
     .split('\n').map(s => s.trim().replace(/\//g, "\\")).filter(item => item.length);
    //刪除被忽略的文件
    for (let ignorePattern of ignores) {
     if (files.hasOwnProperty(ignorePattern)) {
      delete files[ignorePattern];
     }
    }
    done()
   })
  }
  metalsmith.use((files, metalsmith, done) => {
   const meta = metalsmith.metadata();
   package_temp_content = Handlebars.compile(fs.readFileSync(packjsonTemp).toString())(meta);
   done();
  })

  metalsmith.use((files, metalsmith, done) => {
   const meta = metalsmith.metadata()
   Object.keys(files).forEach(fileName => {
    const t = files[fileName].contents.toString()
    if (fileName === "package.json")
     files[fileName].contents = new Buffer(package_temp_content);
    else
     files[fileName].contents = new Buffer(Handlebars.compile(t)(meta));
   })
   done()
  }).build(err => {
   remove(src);
   err ? reject(err) : resolve(context);
  })
 })
}

const fs =require("fs");
const path=require("path");

function removeDir(dir) {
 let files = fs.readdirSync(dir)
 for(var i=0;i<files.length;i++){
  let newPath = path.join(dir,files[i]);
  let stat = fs.statSync(newPath)
  if(stat.isDirectory()){
   //如果是文件夾就遞歸下去
   removeDir(newPath);
  }else {
   //刪除文件
   fs.unlinkSync(newPath);
  }
 }
 fs.rmdirSync(dir)//如果文件夾是空的，就將自己刪除掉
}

module.exports=removeDir;