mk-paas-cli/commands/init.js

MK PAAS CLI TOOL

const { prompt } = require("inquirer");
const fs = require("fs-extra");
const path = require("path");

const chalk = require("chalk");
const download = require("download-git-repo");
const ora = require("ora");

const tplList = require(`${__dirname}/../templates`);

const question = [
  {
    type: "input",
    name: "tplName",
    message: "模版名称:",
    validate(val) {
      if (tplList[val]) {
        return true;
      } else if (val === "") {
        return "模版名称是必填的!";
      } else if (!tplList[val]) {
        return "该模板名称不存在,您可以用使用 list 命令查看所有模板!";
      }
    },
  },
  {
    type: "input",
    name: "name",
    message: "项目名字:",
    validate(val) {
      if (val !== "") {
        return true;
      }
      return "项目名字是必填的!";
    },
  },
  {
    type: "input",
    name: "place",
    message: "项目初始化路径:",
    default: "./",
  },
];

module.exports = prompt(question).then(({ tplName, name, place }) => {
  const startAt = new Date().getTime();
  const cwd = process.cwd();
  const targetDir = path.join(cwd, place || "./", name);
  const gitPlace = tplList[tplName]["owner/name"];
  const gitBranch = tplList[tplName]["branch"];
  const spinner = ora("模板下载中，请稍等...");
  /**
   * 考虑用户可以手动配置模板加入github下载模式
   */
  const baseUrl =
    tplList[tplName]["type"] === "gitee" ? "gitee.com:" : "github:github.com:";
  if (fs.existsSync(targetDir)) {
    console.log(
      chalk.red(`😵 目录 ${place || "./"}${name} 已存在，将退出初始化！`)
    );
    process.exit(1);
  }
  spinner.start();
  download(
    `${baseUrl}${gitPlace}`,
    `${place}/${name}`,
    { clone: true },
    (err) => {
      if (err) {
        console.log(chalk.red(`😵 初始化失败！将退出初始化错误信息：${err}`));
        process.exit();
      }
      spinner.stop();
      console.log(
        chalk.green(`🎉 ${name} 初始化成功，请运行以下命令开始安装依赖并启动应用

      cd ${name}
      npm install ｜ yarn
      npm start ｜ yarn start
    `)
      );
      const elapsed = new Date().getTime() - startAt;
      console.log(`✨ 共耗时 ${(elapsed / 1000).toFixed(2)} 秒`);
    }
  );
});