tsconfig.json

{
  "compilerOptions": {
    "outDir": "dist",
    /* for manifest/index.js */
    "allowJs": true,
    "target": "es5" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
    "module": "esnext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
    "jsx": "preserve",
    "lib": ["dom", "dom.iterable", "esnext"],
    "removeComments": true /* Do not emit comments to output. */,
    "noEmit": true /* Do not emit outputs. */,
    "noEmitOnError": true,
    "esModuleInterop": true,
    "isolatedModules": true,
    /* Strict Type-Checking Options */
    "strict": true,
    "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,
    /* Additional Checks */
    "allowSyntheticDefaultImports": true,
    "noUnusedParameters": true /* Report errors on unused parameters. */,
    "noImplicitReturns": true /* Report error when not all code paths in function return a value. */,
    "useDefineForClassFields": true,
    "forceConsistentCasingInFileNames": true,
    "skipLibCheck": true,
    /* Module Resolution Options */
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "declaration": true,
    "pretty": true,
    "newLine": "lf",
    "stripInternal": true,
    "noUnusedLocals": true,
    "incremental": true
  },
  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
  "exclude": ["node_modules"]
}