tsconfig.json

{
  "compilerOptions": {
    "target": "es2018",
    //    "outDir": "lib",
    "declarationDir": "./types",
    //    "outFile": "./dist/index.js",
    "rootDir": "src",
    "moduleResolution": "node",
//        "module": "es6",
    "declaration": true,
    "inlineSourceMap": false,
    "esModuleInterop": true
    /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
    "strict": true
    /* Enable all strict type-checking options. */,
    /* Strict Type-Checking Options */
    "noImplicitAny": true
    /* Raise error on expressions and declarations with an implied 'any' type. */,
    "strictNullChecks": true
    /* Enable strict null checks. */,
    "strictFunctionTypes": true
    /* Enable strict checking of function types. */,
    "strictPropertyInitialization": true
    /* Enable strict checking of property initialization in classes. */,
    "noImplicitThis": true
    /* Raise error on 'this' expressions with an implied 'any' type. */,
    "alwaysStrict": true
    /* Parse in strict mode and emit "use strict" for each source file. */,
    /* 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. */,
    /* Experimental Options */
    "experimentalDecorators": true
    /* Enables experimental support for ES7 decorators. */,
    "emitDecoratorMetadata": true
    /* Enables experimental support for emitting type metadata for decorators. */,
    "lib": [
      "ES2018",
      "ESNext",
      "dom"
    ],
    "types": [],
    "typeRoots": [
      "node_modules/@types"
    ]
  },
  "include": [
    "src/**/*.ts"
  ],
  "exclude": [
    "node_modules/**"
  ],
  "compileOnSave": false
}