tsconfig.json

{
  "compilerOptions": {
    // Enable decorators
    "experimentalDecorators": true,

    // Pretty print the javascript
    "pretty": true,

    // Don't emit on error
    "noEmitOnError": true,

    // No declarations
    "declaration": false,

    "module": "esnext",
    "moduleResolution": "node",

    // Make it strict
    "noImplicitAny": true,
    "strictNullChecks": true,
    "alwaysStrict": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,

    "preserveSymlinks": true,

    // Don't fail on type errors in libraries
    "skipLibCheck": true,

    // Improve compatibility with npm packages
    "allowSyntheticDefaultImports": true,
    "esModuleInterop": true,

    // Allow importing JSON files
    "resolveJsonModule": true,

    "target": "es2019",
    "lib": ["esnext"],

    "jsx": "react"
  },
  "include": ["src/**/*.ts", "src/**/*.tsx"]
}