tsconfig.json

{
  "compilerOptions": {
    /* Basic Options */
    "target":
      "es2017" /* 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": [
      "es2017",
      "dom"
    ] /* Specify library files to be included in the compilation. */,
    "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. */,
    "removeComments": true /* Do not emit comments to output. */,
    "baseUrl": ".",
    /* Strict Type-Checking Options */
    "noImplicitAny": true /* Raise error on expressions and declarations with an implied 'any' type. */,
    "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": false /* 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. */,

    /* Module Resolution Options */
    "moduleResolution": "node",
    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,

    /* Experimental Options */
    "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
    "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,

    "skipLibCheck": true
  },
  "compileOnSave": true,
  "exclude": ["node_modules"]
}