//craco.config.js
const path = require('path');

module.exports = {
  webpack: {
    alias: {
      '@': path.resolve(__dirname, 'src/')
    }
  },
  jest: {
    configure: {
      moduleNameMapper: {
        '^@(.*)$': '<rootDir>/src$1'
      }
    }
  },
  babel: {
    plugins: [
      ["@babel/plugin-proposal-decorators", { "legacy": true }]
    ]
  }
};

//jsconfig.json
{
    "compilerOptions": {
      "baseUrl": "src",
      "paths": {
        "@/*": ["./*"]
      }
    },
    "exclude": ["node_modules", "**/node_modules/*"]
  }