tsconfig.json

{
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "@/*": ["src/*"]
    },
    "target": "ES2015",
    "module": "commonjs",
    "moduleResolution": "node",
    "resolveJsonModule": false,
    "declaration": true,
    "declarationDir": "./dist/types",
    "strict": true,
    "allowJs": false,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "importHelpers": true,
    "skipLibCheck": true,
    "esModuleInterop": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "removeComments": true,
    "sourceMap": false,
    "outDir": "./tsc/",
    "types": [
      "node",
      "jest"
    ],
    "lib": [
      "ES6",
      "DOM"
    ]
  },
  "include": [
    "src/**/*.ts",
  ],
  "exclude": [
    "node_modules",
    "node",
    "**/*.test.ts"
  ]
}