cloudapp-cli/bin/cloudapp-init.js

#!/usr/bin/env node
const download = require("download-git-repo");
const fs = require("fs-extra");
const path = require("path");
const { program } = require("commander");
const { run } = require("../lib/verify");
const { getLocalDir } = require("../lib/pkg");

program.argument("<appName>", "项目名");

program.option("-t, --template <template>", "创建模板", "CT_001");

program.parse(process.argv);

async function init() {
  const appName = program.args[0];
  const template = program.opts().template;
  const name = `cloudapp-${appName.toLowerCase()}`;
  const dir = getLocalDir(name);

  const tempDir = getLocalDir(".cloudapp-temp");
  const templatesDir = path.join(tempDir, "templates");

  try {
    await new Promise((resolve, reject) => {
      download(
        `cloudapp-developer/cloudapp-templates#main`,
        tempDir,
        { shallow: true },
        function (err) {
          if (err) {
            return reject(err);
          }
          resolve();
        }
      );
    });
  } catch (error) {
    console.error(`\n❌ - 模板下载失败`);
    return;
  }

  const isDirExist = fs.existsSync(templatesDir);
  if (!isDirExist) {
    fs.removeSync(tempDir);
    return console.error("\n❌ - 模板目录不存在");
  }

  const files = await fs.promises.readdir(templatesDir, {
    withFileTypes: true,
  });
  const templates = files.filter((f) => f.isDirectory()).map((f) => f.name);
  const target = templates.find((t) => t.startsWith(template));
  if (!target) {
    fs.removeSync(tempDir);
    return console.log("\n❌ - 未找到匹配模板");
  }
  console.log(`\n✅ + 成功加载模板: ${target}`);

  fs.copySync(path.join(templatesDir, target), dir);
  fs.removeSync(tempDir);

  console.log(`\n✅ + 项目创建成功: ${dir}`);
}

run(init);