tsconfig.json

{
  /*
    You can add any other Typescript settings below, either by adding them directly,
    or extending a base configuration file with this one.

    (If you aren't sure what I mean about extending, I would recommend just
    adding the settings to this file.)
  */
  "compilerOptions": {
    //    Other compiler settings go here
    "strict": true,

    // -------------------------------------------------------------------------
    //    if you're adding your own, add them ABOVE the dotted line ^^^
    //    that way, these will override any we need that you accidentally add.

    "noEmit": false,          // REQUIRED: `"noEmit": false
    "module": "esnext",       // REQUIRED: "module": "esnext"

    // This is where the compiler should actually write your compiled files to
    //    If you change this, your server needs to change its root.
    "outDir": "./public/src",

    // this is where you want the compiler to start if you want your compiled
    //    directory structure to match your source (you probably do)
    "rootDir": "./src",
    "target": "es5",
  }
}