text: "use strict";
  
  const path = require("path");
  const fs = require("fs");
  const getPublicUrlOrPath = require("react-dev-utils/getPublicUrlOrPath");
  
  // Make sure any symlinks in the project folder are resolved:
  // https://github.com/facebook/create-react-app/issues/637
  const appDirectory = fs.realpathSync(process.cwd());
  const resolveApp = (relativePath) => path.resolve(appDirectory, relativePath);
  
  // We use `PUBLIC_URL` environment variable or "homepage" field to infer
  // "public path" at which the app is served.
  // webpack needs to know it to put the right <script> hrefs into HTML even in
  // single-page apps that may serve index.html for nested URLs like /todos/42.
  // We can't use a relative path in HTML because we don't want to load something
  // like /todos/42/static/js/bundle.7289d.js. We have to know the root.
  const publicUrlOrPath = getPublicUrlOrPath(
    process.env.NODE_ENV === "development",
    require(resolveApp("package.json")).homepage,
    process.env.PUBLIC_URL
  );
  
  const buildPath = process.env.BUILD_PATH || "build";
  
  const moduleFileExtensions = [
    "web.mjs",
    "mjs",
    "web.js",
    "js",
    "web.ts",
    "ts",
    "web.tsx",
    "tsx",
    "json",
    "web.jsx",
    "jsx",
  ];
  
  // Resolve file paths in the same order as webpack
  const resolveModule = (resolveFn, filePath) => {
    const extension = moduleFileExtensions.find((extension) =>
      fs.existsSync(resolveFn(`${filePath}.${extension}`))
    );
  
    if (extension) {
      return resolveFn(`${filePath}.${extension}`);
    }
  
    return resolveFn(`${filePath}.js`);
  };
  
  // config after eject: we're in ./config/
  module.exports = {
    dotenv: resolveApp(".env"),
    appPath: resolveApp("."),
    appBuild: resolveApp(buildPath),
    appPublic: resolveApp("public"),
    appHtml: resolveApp("public/index.html"),
    appIndexJs: resolveModule(resolveApp, "src/index"),
    appPackageJson: resolveApp("package.json"),
    appSrc: resolveApp("src"),
    appTsConfig: resolveApp("tsconfig.json"),
    appJsConfig: resolveApp("jsconfig.json"),
    yarnLockFile: resolveApp("yarn.lock"),
    testsSetup: resolveModule(resolveApp, "src/setupTests"),
    proxySetup: resolveApp("src/setupProxy.js"),
    appNodeModules: resolveApp("node_modules"),
    swSrc: resolveModule(resolveApp, "src/service-worker"),
    ssrIndexJs: resolveApp("src/index.server.js"), // 서버 사이드 렌더링 엔트리
    ssrBuild: resolveApp("dist"), // 웹팩 처리 후 저장 경로
    publicUrlOrPath,
  };
  
  module.exports.moduleFileExtensions = moduleFileExtensions;
  