tsconfig.json

{
  "compilerOptions": {
    "allowJs": true,
    "baseUrl": "src",
    "allowSyntheticDefaultImports": true,
    "downlevelIteration": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "isolatedModules": true,
    "jsx": "react-jsx",
    "lib": ["dom", "dom.iterable", "esnext"],
    "module": "esnext",
    "moduleResolution": "node",
    "noEmit": true,
    "resolveJsonModule": true,
    "preserveSymlinks": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strictNullChecks": false,
    "strict": false,
    "target": "es2015",
    "noFallthroughCasesInSwitch": true,
    "paths": {
      "react": ["./node_modules/@types/react"]
    }
  },
  "exclude": ["node_modules"],
  "include": ["src", "types"],
  "parserOptions": {
    "ecmaVersion": 12,
    "sourceType": "module"
  }
}