tsconfig.json

{
  "compilerOptions": {
    /* Base Options: */
    "esModuleInterop": true,
    "skipLibCheck": true,
    "target": "ESNext",
    "allowJs": true,
    "resolveJsonModule": true,
    "moduleDetection": "force",
    "isolatedModules": true,

    /* Strictness */
    "strict": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,

    /* If transpiling with TypeScript: */
    "module": "NodeNext",
    "sourceMap": true,
    "outDir": "dist/",
    "rootDir": "src/",

    /* AND if you're building for a library: */
    "declaration": true,

    /* If your code doesn't run in the DOM: */
    "lib": ["ESNext"],

    /* Grammar outputs a lot of implicit any errors: */
    "noImplicitAny": false
  },
  "include": ["src/**/*"]
}