tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "esnext",
    "lib": ["esnext", "dom", "dom.iterable"],
    "jsx": "react",
    "baseUrl": "./",
    "allowJs": true,
    "pretty": true,
    "sourceMap": true,
    "forceConsistentCasingInFileNames": true,
    "moduleResolution": "node",
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "skipLibCheck": true,
    "resolveJsonModule": true,
    "experimentalDecorators": true,
    "strictNullChecks": true,
    "downlevelIteration": true,
    "strict": true,
    "noImplicitThis": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noImplicitReturns": false,
    "noFallthroughCasesInSwitch": true,
    "suppressImplicitAnyIndexErrors": true,
    "useUnknownInCatchVariables": false
  },
  "exclude": [
    "node_modules",
    "**/node_modules",
    "**/scripts",
    "**/dist/**",
    "**/example",
    "**/test/**",
    "**/__tests__/**",
    "**/mock/**",
    "**/__mock__/**"
  ],
  "compileOnSave": true
}