tsconfig.json

{
  "compilerOptions": {
      "target": "es2019" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
      "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
      "lib": [
          "es2019",
          "es5",
          "es6"
      ] /* Specify library files to be included in the compilation. */,
      "sourceMap": true /* Generates corresponding '.map' file. */,
      "outDir": "./dist" /* Redirect output structure to the directory. */,
      "rootDir": "." /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
      "strict": true /* Enable all strict type-checking options. */,
      "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
      "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
      "strictPropertyInitialization": false,
  },
  "exclude": [
      "dist",
      "node_modules"
  ]
}