@mogul/mogul-scripts/scripts/init.js

'use strict';

process.on('unhandledRejection', err => {
  throw err;
});

const fs = require('fs-extra');
const path = require('path');
const chalk = require('chalk');
const execSync = require('child_process').execSync;
const spawn = require('react-dev-utils/crossSpawn');
const os = require('os');
const scriptVersion = require("../package").version;
function isInGitRepository() {
  try {
    execSync('git rev-parse --is-inside-work-tree', { stdio: 'ignore' });
    return true;
  } catch (e) {
    return false;
  }
}

function isInMercurialRepository() {
  try {
    execSync('hg --cwd . root', { stdio: 'ignore' });
    return true;
  } catch (e) {
    return false;
  }
}

function tryGitInit(appPath) {
  let didInit = false;
  try {
    execSync('git --version', { stdio: 'ignore' });
    if (isInGitRepository() || isInMercurialRepository()) {
      return false;
    }

    execSync('git init', { stdio: 'ignore' });
    didInit = true;

    execSync('git add -A', { stdio: 'ignore' });
    execSync('git commit -m "Initial commit from @mogul/create-mogul-app"', {
      stdio: 'ignore',
    });
    return true;
  } catch (e) {
    if (didInit) {
      // If we successfully initialized but couldn't commit,
      // maybe the commit author config is not set.
      // In the future, we might supply our own committer
      // like Ember CLI does, but for now, let's just
      // remove the Git files to avoid a half-done state.
      try {
        // unlinkSync() doesn't work on directories.
        fs.removeSync(path.join(appPath, '.git'));
      } catch (removeErr) {
        // Ignore.
      }
    }
    return false;
  }
}

module.exports = function(
  appPath,
  appName,
  verbose,
  originalDirectory,
  template
) {
  const ownPackageName = require(path.join(__dirname, '..', 'package.json'))
    .name;
  const ownPath = path.join(appPath, 'node_modules', ownPackageName);
  const appPackage = require(path.join(appPath, 'package.json'));
  const useYarn = fs.existsSync(path.join(appPath, 'yarn.lock'));

  // Copy over some of the devDependencies
  appPackage.dependencies = appPackage.dependencies || {};

  // Setup the script rules
  appPackage.scripts = Object.assign({}, appPackage.scripts,{
    start: 'create-mogul-app start',
    build: 'create-mogul-app build',
    "server:mock": "json-server --watch mock/index.js --port 3004"
  });
  //添加 example 代理
  appPackage.proxy = {
    "/example": {
      "target": "http://localhost:3004",
      "secure": false,
      "changeOrigin": true,
      "pathRewrite": {
        "^/example": ""
      }
    }
  };

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

  const readmeExists = fs.existsSync(path.join(appPath, 'README.md'));
  if (readmeExists) {
    fs.renameSync(
      path.join(appPath, 'README.md'),
      path.join(appPath, 'README.old.md')
    );
  }

  // Copy the files for the user
  const templatePath = template
    ? path.resolve(originalDirectory, template)
    : path.join(ownPath, 'template');
  if (fs.existsSync(templatePath)) {
    fs.copySync(templatePath, appPath);
  } else {
    console.error(
      `Could not locate supplied template: ${chalk.green(templatePath)}`
    );
    return;
  }

  // Rename gitignore after the fact to prevent npm from renaming it to .npmignore
  // See: https://github.com/npm/npm/issues/1862
  try {
    fs.moveSync(
      path.join(appPath, 'gitignore'),
      path.join(appPath, '.gitignore'),
      []
    );
  } catch (err) {
    // Append if there's already a `.gitignore` file there
    if (err.code === 'EEXIST') {
      const data = fs.readFileSync(path.join(appPath, 'gitignore'));
      fs.appendFileSync(path.join(appPath, '.gitignore'), data);
      fs.unlinkSync(path.join(appPath, 'gitignore'));
    } else {
      throw err;
    }
  }

//  let command;
//  let args;

//  if (useYarn) {
//    command = 'yarnpkg';
//    args = ['add', "--dev"];
//  } else {
//    command = 'npm';
//    args = ['install', '--save', verbose && '--verbose'].filter(e => e);
//  }

  // Install additional template dependencies, if present
//  const templateDependenciesPath = path.join(
//    ownPath,
//    '.template.dependencies.json'
//  );
//
//  if (fs.existsSync(templateDependenciesPath)) {
//    const templateDependencies = require(templateDependenciesPath).dependencies;
//    args = args.concat(
//      Object.keys(templateDependencies).map(key => {
//        return `${key}@${templateDependencies[key]}`;
//      })
//    );
//    fs.unlinkSync(templateDependenciesPath);
//
//    console.log(`Installing template dev dependencies using ${command}...`);
//    console.log();
//
//    const proc = spawn.sync(command, args, { stdio: 'inherit' });
//    if (proc.status !== 0) {
//      console.error(`\`${command} ${args.join(' ')}\` failed`);
//      return;
//    }
//  }

  if (tryGitInit(appPath)) {
    console.log();
    console.log('Initialized a git repository.');
  }

  // Display the most elegant way to cd.
  // This needs to handle an undefined originalDirectory for
  // backward compatibility with old global-cli's.
  let cdpath;
  if (originalDirectory && path.join(originalDirectory, appName) === appPath) {
    cdpath = appName;
  } else {
    cdpath = appPath;
  }

  // Change displayed command to yarn instead of yarnpkg
  const displayedCommand = useYarn ? 'yarn' : 'npm';

  console.log();
  console.log(`Success! Created ${appName} at ${appPath}`);
  console.log('Inside that directory, you can run several commands:');
  console.log();
  console.log(chalk.cyan(`  ${displayedCommand} start`));
  console.log('    Starts the development server.');
  console.log();
  console.log(
    chalk.cyan(`  ${displayedCommand} ${useYarn ? '' : 'run '}build`)
  );
  console.log('    Bundles the app into static files for production.');
  console.log();
  console.log('We suggest that you begin by typing:');
  console.log();
  console.log(chalk.cyan('  cd'), cdpath);
  console.log(`  ${chalk.cyan(`${displayedCommand} start`)}`);
  if (readmeExists) {
    console.log();
    console.log(
      chalk.yellow(
        'You had a `README.md` file, we renamed it to `README.old.md`'
      )
    );
  }
  console.log();
  console.log(chalk.cyan(`食行生鲜运营平台开发部出品 version:${ scriptVersion }`));
};

function isReactInstalled(appPackage) {
  const dependencies = appPackage.dependencies || {};

  return (
    typeof dependencies.react !== 'undefined' &&
    typeof dependencies['react-dom'] !== 'undefined'
  );
}