tsconfig.json

{
  //Hold your mouse for a while on top of any word and you will get a nice description (VSCode)
  "compilerOptions": {
    //Build dir
    "outDir": "./build/",
    //Rules
    "strict": true, //This turns on a lot of things, I disable two because I don't like them
    "strictPropertyInitialization": false,
    "strictNullChecks": false,
    "noImplicitReturns": true,
    "noUnusedParameters": true,
    "noUnusedLocals": true,
    "noFallthroughCasesInSwitch": true,
    // Output and other settings
    "sourceMap": true, //Makes debugging waaay easier
    "module": "ESNext", //Doesn't really mean anything. This is if you are making a library
    "moduleResolution": "node",
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "target": "es5", //es5 = Internet Explorer and Everybody else. es6 = Everybody but Internet Explorer.
    // "downlevelIteration": true, //This is said to cause really really ugly code. Only enable it if you can't find a better way.
    "typeRoots": [
      "node_modules/@types",
      "src/types"
    ]
  },
  "include": [
    "src/**/*.ts",
  ]
}