tsconfig.json

{
  "compilerOptions": {
    "incremental": true,
    "target": "es2017",
    "strict": true,
    "outDir": "dist",
    "rootDir": "lib",
    "moduleResolution": "node",
    "module": "commonjs",
    "declaration": 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. */,
    /* Additional Checks */
    "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"
    ],
    "types": [
      "chai",
      "chai-as-promised",
    ],
    "typeRoots": [
      "node_modules/@types",
      "src/types"
    ]
  },
  "include": [
    "lib/**/*.ts"
  ],
  "exclude": [
    "node_modules/**"
  ],
  "compileOnSave": false
}