tsconfig.json

{
    "compilerOptions": {
      "incremental": true,
      "target": "es2017",
      "outDir": "dist",
      "moduleResolution": "node",
      "module": "commonjs",
      "declaration": true,
      "inlineSourceMap": true,
      "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 /* Stylize errors and messages using color and context. */,

      "lib": ["es2017", "dom"],
      "typeRoots": ["node_modules/@types"]
    },
    "include": ["src/**/*.ts"],
    "exclude": ["node_modules/**"],
  }