tsconfig.json

{
    "compilerOptions": {
      "esModuleInterop": true,
      "jsx": "react",
      "module": "esnext",
      "moduleResolution": "node",
      "lib": [
        "dom",
        "esnext"
      ],
      "strict": true,
      "sourceMap": false, // TODO: Sourcemaps are HUGE.. Only build in dev mode.
      "target": "esnext",
      // Avoid relative urls.
      "baseUrl": "./src",
      "paths": {
          "@components/*": [
              "./components/*"
          ],
          "@model/*": [
              "./model/*"
          ],
          "@services/*": [
              "./services/*"
          ],
          "@stores/*": [
              "./stores/*"
          ]
      },
      // Additional:
      // Allow mobx-react decoraters.
      "experimentalDecorators": true,
      // Avoid must have default values for class based observables
      // https://mobx.js.org/installation.html#installation 
      "useDefineForClassFields": true,
      // https://github.com/plantain-00/type-coverage
      "plugins": [
        {
          "name": "ts-plugin-type-coverage",
          "strict": true,
          "ignoreCatch": true,
        }
      ]
    },
    "exclude": [
      "node_modules"
    ]
  }