tsconfig.json

{
  "compilerOptions": {
    "allowUnreachableCode": false,
    "exactOptionalPropertyTypes": true,
    "noFallthroughCasesInSwitch": true,
    "noPropertyAccessFromIndexSignature": true,
    "noUnusedLocals": true,
    "strict": true,
    "baseUrl": "src",
    "module": "commonjs",
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "outDir": "./build/",
    "removeComments": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "jsx": "react-jsx",
    "lib": ["dom", "dom.iterable", "esnext"],
    "target": "es6",
    "skipLibCheck": true
  },
  "include": ["**/*.ts", "**/*.d.ts", "**/*.tsx"],
  "exclude": ["node_modules"]
}