custom-app/dhcc-app/lib/init.js

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const fs = require('fs-extra')
const path = require('path')
const chalk = require('chalk')
let spinner = require('../util/spinner');
let util = require('../util/util.js')
const os = require('os');
let exec = require('child_process').exec;
function init (moduleName, projectName, options) {
  const cwd = options.cwd || process.cwd()
  const reactAppPath = util.getReactAppPath(cwd);

  const inCurrent = projectName === '.'
  const targetDir = inCurrent ? reactAppPath : path.join(reactAppPath, 'src', projectName)
  if (fs.existsSync(targetDir)) {
    options = options || []
    let loadConfig = options.hasOwnProperty("config") && options.config;
    let loadInstall = options.hasOwnProperty("install") && options.install;
    let load2ndpage = options.hasOwnProperty("itims42ndpage") && options.itims42ndpage;
    let filePath = __dirname.substring(0, __dirname.lastIndexOf("lib"));
    let configPath = path.join(filePath, 'config.zip');
    let examplePath = path.join(filePath, 'example.zip');
    let mavenPath = path.join(filePath, 'maven.zip');
    let dllPath = path.join(filePath, 'dll', 'dll.zip');
    if (loadConfig && !loadInstall) {
      //配置
      console.log(configPath + "___" + targetDir);

      require('./unzip.js')(configPath, targetDir)
      //require('./unzip.js')(mavenPath, targetDir)
      //require('./unzip.js')(examplePath, targetDir)
      //require('./unzip.js')(dllPath, targetDir)
    } else if (!loadConfig && loadInstall) {
      //脚本
      require('./install.js')(reactAppPath, moduleName, projectName, function () {
        spinner.stopSpinner();
      })
    } else if (load2ndpage) {
      //脚本
      require('./2ndpage.js')(path.join(reactAppPath, 'src'), function () {
        spinner.stopSpinner();
      })
    } else {
      if (fs.existsSync(path.join(reactAppPath, "package.json"))) {
        let packageJson = require(path.join(reactAppPath, 'package.json'))
        let oldName = packageJson.name
        if (moduleName) {
          if (moduleName == oldName) {
            spinner.logWithSpinner('', chalk.cyan('初始化配置文件'))
            var install = 'npm install';
            exec(install, { cwd: reactAppPath }, function (err, stdout, stderr) {
              if (err) {
                console.error(chalk.red('初始化配置文件:' + stderr));
                console.log(stdout);
                spinner.stopSpinner();
              } else {
                spinner.logWithSpinner('', stdout)
                spinner.logWithSpinner(chalk.cyan('初始化配置文件 成功'))
                spinner.logWithSpinner('   ');
                spinner.stopSpinner();
              }
            });
          } else {
            console.error(chalk.red('模块名称跟初始化的不一致，如果需要更新模块名称，请手动修改package.json的name字段'));
          }
        } else {
          spinner.logWithSpinner('', chalk.cyan('初始化配置文件'))
          var install = 'npm install';
          let workerProcess = exec(install, { cwd: reactAppPath }, function (err, stdout, stderr) {
            if (err) {
              console.error(chalk.red('初始化配置文件:' + stderr));
              console.log(stdout);
              spinner.stopSpinner();
            } else {
              spinner.logWithSpinner('', stdout)
              spinner.logWithSpinner(chalk.cyan('初始化配置文件 成功'))
              spinner.logWithSpinner('   ');
              spinner.stopSpinner();
            }
          });

          workerProcess.stdout.on('data', function (data) {
            console.log('stdout: ' + data);
          });
        }
      } else {
        if (!moduleName) {
          console.error(chalk.red('工作空间不存在时，不能省略 `module-name`参数'));

          return;
        }
        //脚本+配置
        require('./install.js')(reactAppPath, moduleName, projectName, function () {
          require('./unzip.js')(configPath, targetDir)
          //require('./unzip.js')(dllPath, targetDir)
          // require('./unzip.js')(mavenPath, targetDir)
          // require('./unzip.js')(examplePath, targetDir)

          const packageJson = require(path.join(targetDir, 'package.json'))
          packageJson.name = moduleName;
          fs.writeFileSync(path.join(targetDir, 'package.json'), JSON.stringify(packageJson, null, 2) + os.EOL);

          let gitignorePath = path.join(targetDir, ".gitignore")
          let writerStream = fs.createWriteStream(gitignorePath);
          writerStream.write('node_modules\nbuild', 'UTF8');
          writerStream.end();  //标记文件末尾  结束写入流，释放资源  
          writerStream.on('finish', function () {
            console.log("写入完成。");
          });
          writerStream.on('error', function (error) {
            console.log(error.stack);
          });
        })
      }
    }
  } else {
    console.log(chalk.red(projectName + '不存在'));
  }
}

module.exports = (...args) => {
  init(...args)
}