tsconfig.json

{
  "include": ["src", "example", "bin", "jest.config.js", "jest.setup.js"],
  "exclude": ["**/node_modules"],
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "sourceMap": false,
    "declaration": false,
    "allowJs": true,
    "checkJs": true,
    "jsx": "preserve",

    "strict": true,
		"noImplicitReturns": true,
		"noImplicitOverride": true,
		"noUnusedLocals": true,
		"noUnusedParameters": true,
		"noFallthroughCasesInSwitch": true,
		"noUncheckedIndexedAccess": true,
		"noPropertyAccessFromIndexSignature": true,
		"useDefineForClassFields": true,
		"forceConsistentCasingInFileNames": true,
		"skipLibCheck": true,
    "noEmit": true,

    // ESM doesn't yet support JSON modules
    "resolveJsonModule": false,

    // To provide backwards compatibility, Node.js allows you to import
    // most CommonJS packages with a default import. This flag tells TypeScript
    // that it's okay to use import on CommonJS modules.
		"allowSyntheticDefaultImports": true,
    "incremental": true
  }
}