tsconfig.json

{
  "compilerOptions": {
    "target": "ES2018",
    "module": "commonjs",
    "lib": ["es2018", "dom"],
    "declaration": true,
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUnusedLocals": true,
    "noUnusedParameters": false,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": false,
    "inlineSourceMap": true,
    "inlineSources": true,
    "experimentalDecorators": true,
    "strictPropertyInitialization": false,
    "forceConsistentCasingInFileNames": true,
    "outDir": "dist",
    "typeRoots": ["./node_modules/@types"],
    "resolveJsonModule": true
  },
  "files": ["node_modules/jest-extended/types/index.d.ts"],
  "include": ["src/", "test/", "integration/"],
  "exclude": ["node_modules", "dist", "examples/"]
}