Configure tsconfig

The tsconfig.json file provides the project's root files as well as the compiler options needed to compile it.

The full list of options may be seen at typescriptlang.org/tsconfig.

TSConfig Bases

There may be a base configuration available at github.com/tsconfig/bases that you can utilize.

if you were writing a project which uses Bun, then you could use the npm module

{
  "extends": "@tsconfig/bun/tsconfig.json",
  "compilerOptions": {
    "preserveConstEnums": true
  },
  "include": ["src/**/*"],
  "exclude": ["**/*.spec.ts"]
}

Quickstart

{
  "compilerOptions": {
    /* Base Options: */
    "esModuleInterop": true,
    "skipLibCheck": true,
    "target": "es2022",
    "verbatimModuleSyntax": true,
    "allowJs": true,
    "resolveJsonModule": true,
    "moduleDetection": "force",

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

    /* If transpiling with TypeScript: */
    "moduleResolution": "NodeNext",
    "module": "NodeNext",
    "outDir": "dist",

    /* If NOT transpiling with TypeScript: */
    "moduleResolution": "Bundler",
    "module": "ESNext",
    "noEmit": true,

    /* If your code runs in the DOM: */
    "lib": ["es2022", "dom", "dom.iterable"],

    /* If your code doesn't run in the DOM: */
    "lib": ["es2022"],

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

    /* If you're building for a library in a monorepo: */
    "composite": true,
    "sourceMap": true,
    "declarationMap": true
  }
}

Compiler Options - popular

esModuleInterop Helps mend a few of the fences between CommonJS and ES Modules.

Default: true if module is node16 or nodenext; false otherwise.