tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "ES6",
    "declaration": true,
    "outDir": "./dist",
    "jsx": "react",
    "esModuleInterop": true,
    /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "resolveJsonModule": true
    /* Include modules imported with .json extension. */,
    "strict": true /* Enable all strict type-checking options. */,
    /* Additional Checks */
    "noUnusedLocals": true
    /* Report errors on unused locals. */,
    "noUnusedParameters": true
    /* Report errors on unused parameters. */,
    "noImplicitReturns": true
    /* Report error when not all code paths in function return a value. */,
    "noFallthroughCasesInSwitch": true
    /* Report errors for fallthrough cases in switch statement. */,
    /* Debugging Options */
    "traceResolution": false
    /* Report module resolution log messages. */,
    "listEmittedFiles": false
    /* Print names of generated files part of the compilation. */,
    "listFiles": false
    /* Print names of files part of the compilation. */,
    "pretty": true,

    "types": ["jest", "node"]
  },
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "node_modules/**"
  ]
}