croot-cli/lib/Generator.js

根网大数据平台前端脚手架

const ora = require("ora");
const fs = require("fs");
const downloadTemplate = require("download-git-repo");
const chalk = require("chalk");
const handlebars = require("handlebars");
const inquirer = require("inquirer");
const { templateList, requestUrl, packageInfo } = require("./config");

class Generator {
  constructor(name, targetDir, template) {
    // 目录名称
    this.name = name;
    // 创建位置
    this.targetDir = targetDir;
    // 选择模板
    this.template = template;
  }
  create() {
    this.download();
  }
  // 下载远程模板
  download() {
    const templateUrl = `${requestUrl}/${templateList[this.template]}.git`;
    const spinner = ora("请稍候，下载项目模板中...");
    spinner.start();
    downloadTemplate(templateUrl, this.targetDir, { clone: true }, (err) => {
      if (err) {
        spinner.fail("模板下载失败，请重试...");
      } else {
        spinner.succeed(" ");
        inquirer.prompt(packageInfo).then((answers) => {
          const packagePath = `${this.targetDir}/package.json`;
          const packageContent = fs.readFileSync(packagePath, "utf8");
          const packageResult = handlebars.compile(packageContent)(answers);
          fs.writeFileSync(packagePath, packageResult);
          console.log(
            `\r\nSuccessfully created project ${chalk.cyan(this.name)}`
          );
          console.log(`\r\n  cd ${chalk.cyan(this.name)}`);
          console.log("  npm install\r\n");
          console.log("  npm run dev\r\n");
        });
      }
    });
  }
}

module.exports = Generator;