tsconfig.production.json

{
    "compilerOptions": {
      "target": "ES2020" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
      "module": "CommonJS" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
      "allowJs": true /* Allow javascript files to be compiled. */,
      "checkJs": true /* Report errors in .js files. */,
      "outDir": "build" /* Redirect output structure to the directory. */,
      "strict": false /* Enable all strict type-checking options. */,
      "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
      "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
      "skipLibCheck": true
    },
    "files": ["main.ts"],
}