tsconfig.json

{
  "compilerOptions": {
    "baseUrl": "src",
    "target": "esnext",
    "module": "esnext",
    "declaration": true,
    "sourceMap": true,
    "outDir": "build",
    "strict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noImplicitAny": false,
    "noFallthroughCasesInSwitch": true,
    "moduleResolution": "node",
    "allowJs": true,
    "checkJs": false,
    "forceConsistentCasingInFileNames": true,
    "esModuleInterop": true,
    "jsx": "react-jsx",
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "types": ["jest"],
    "typeRoots": [
      "./node_modules/@types",
      "./@types"
    ],
    "skipLibCheck": true,
    "allowSyntheticDefaultImports": true,
    "resolveJsonModule": true,
    "isolatedModules": true,
    "noEmit": true
  },
  "include": [
    "src",
    "server",
    "@types"
  ]
}