tsconfig.json

{
  "compilerOptions": {
    "target": "es5",
    "module": "esnext",
    "lib": ["dom", "esnext"],
    "importHelpers": true,
    "declaration": true,
    "sourceMap": true,
    "outDir": "lib",
    "rootDir": "src",
    "strict": true,
    // "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    // "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    // "noUnusedLocals": true,
    // "noUnusedParameters": true,
    "strictPropertyInitialization": false,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "moduleResolution": "node",
    "baseUrl": "./",
    "paths": {
      "*": ["src/*", "node_modules/*"]
    },
    "typeRoots": ["./types", "./node_modules/@types"],
    "types": ["react", "resize-observer-browser", "jest", "offscreencanvas"],
    "jsx": "react",
    "esModuleInterop": true
  },
  "include": ["src", "types"],
  "exclude": ["node_modules", "lib", "dist", "demo", "example"]
}