create-react-app 设置webpack alias

/**
 * Get webpack aliases based on the baseUrl of a compilerOptions object.
 *
 * @param {*} options
 */
function getWebpackAliases(options = {}) {
  const baseUrl = options.baseUrl;

  if (!baseUrl) {
    return {};
  }

  const baseUrlResolved = path.resolve(paths.appPath, baseUrl);

  if (path.relative(paths.appPath, baseUrlResolved) === '') {
    return {
      src: paths.appSrc,
    };
  }
}

  "baseUrl": "./", 
  "paths": { "@/*": ["src/*"], "~/*": ["../*"] },

 "baseUrl": "./src",
 "paths": {
    "pages/*":["pages/*"]
 },