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 /* Strict Type-Checking Options */,
    /* Enable all 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 /* Additional Checks */,
    /* Parse in strict mode and emit "use strict" for each source file. */ "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 /* Debugging Options */,
    /* Report errors for fallthrough cases in switch statement. */ "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 /* Experimental Options */,
    /* Stylize errors and messages using color and context. */ "experimentalDecorators": true,
    /* Enables experimental support for ES7 decorators. */ "emitDecoratorMetadata": true,
    /* Enables experimental support for emitting type metadata for decorators. */
    "removeComments": true,
    "lib": ["ES2018", "ESNext", "dom"],
    "types": [],
    "typeRoots": ["node_modules/@types"]
  },
  "include": ["src/**/*.ts"],
  "exclude": ["node_modules/**"],
  "compileOnSave": false
}