uninitit.js

/*
 * A self-bundled copy of a customized version of initit,
 * due to: https://github.com/c8r/initit/issues/3
 */
const fs = require('fs-extra');
const path = require('path');
const os = require('os');
const exec = require('child_process').execSync;
const spawn = require('cross-spawn');

const install = () => {
  return new Promise((resolve, reject) => {
    const child = spawn('npm', ['install'], {
      stdio: 'inherit'
    });
    child.on('close', code => {
      if (code !== 0) {
        reject();
        return;
      }
      resolve();
    });
  });
};

const gitInit = () => {
  exec('git --version', { stdio: 'inherit' });
  exec('git init', { stdio: 'inherit' });
  exec('git add .', { stdio: 'inherit' });
  exec('git commit -am "Init"', { stdio: 'inherit' });
  return true;
};
const getTar = ({ user, repo, path = '', name, depth }) => {
  const url = `https://codeload.github.com/${user}/${repo}/tar.gz/master`;
  const cmd = `curl ${url} | tar -xz -C ${name} --strip=${depth} ${repo}-master/${path}`;
  exec(cmd, { stdio: 'inherit' });
};

const create = async (opts = {}) => {
  if (!opts.name) {
    throw new Error('name argument required');
    return;
  }

  if (!opts.template) {
    throw new Error('template argument required');
    return;
  }

  const dirname = path.resolve(opts.name);
  const name = path.basename(dirname);
  const [user, repo, ...paths] = opts.template.split('/');
  const depth = paths.length+1;
  console.log(`depth (paths.length): ${depth}`);

  fs.ensureDirSync(name);

  getTar(
    Object.assign({}, opts, {
      name,
      user,
      repo,
      path: paths.join('/'),
      depth
    })
  );

  const templatePkg = require(path.join(dirname, 'package.json'));

  const pkg = Object.assign({}, templatePkg, {
    name,
    version: '1.0.0'
  });

  fs.writeFileSync(
    path.join(dirname, 'package.json'),
    JSON.stringify(pkg, null, 2) + os.EOL
  );

  process.chdir(dirname);

  const installed = await install();
  const initialized = gitInit();

  exec('npm test', { stdio: 'inherit' });
  return { name, dirname };
};

module.exports = create;