tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "pretty": true,
    "target": "es2015",
    "module": "commonjs",
    "lib": ["esnext", "dom"],
    "allowJs": false,
    "declaration": true,
    "sourceMap": true,
    "outDir": "./lib",
    "removeComments": false,
    "noEmit": false,

    /* Strict Type-Checking Options */
    "strict": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "noImplicitThis": true,
    "alwaysStrict": true,

    /* Additional Checks */
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,

    /* Module Resolution Options */
    "moduleResolution": "node",
    // "typeRoots": ["@types"],
    // "types": [],
    // "allowSyntheticDefaultImports": true,

    /* Source Map Options */
    // "sourceRoot": "./",
    // "mapRoot": "./",
    // "inlineSourceMap": true,
    // "inlineSources": true,

    "preserveConstEnums": false
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules", "lib/**/*", "src/**/*.test.ts"]
}