tsconfig.json

 {
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./src",
    "esModuleInterop": true ,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "sourceMap": true,
    "target": "es5",
    "outDir": "./dist",
    "alwaysStrict": true,
    "noImplicitAny": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "declaration": false,
    "downlevelIteration": true,
    "module": "commonjs",
    "moduleResolution": "node",
    "importHelpers": true,
    "typeRoots": [
      "node_modules/@types"
    ],


    "lib": [
      "es2018",
      "dom"
    ]
  }
}