tsconfig.base.json

{
  "$schema": "https://json.schemastore.org/tsconfig",
  "compilerOptions": {
    /* Project Options */
    "composite": false,

    /* Compilation Options */
    "target": "ESNext",
    "module": "ESNext",
    "lib": ["ESNext", "DOM", "DOM.Iterable"],
    "moduleResolution": "nodenext",
    "resolveJsonModule": true,

    /* Emit Options */
    "noEmit": true, // I am using tsup to emit the code
    "outDir": "dist",
    "inlineSources": false,
    "sourceMap": true,
    "declaration": true,
    "declarationMap": true,
    "removeComments": true,

    /* Type-Checking Options */
    "strict": true,
    "noFallthroughCasesInSwitch": true,
    "useUnknownInCatchVariables": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,

    /* Interop Constraints */
    "esModuleInterop": true, // this enables allowSyntheticDefaultImports
    "forceConsistentCasingInFileNames": true,

    /* Other Options */
    "skipLibCheck": true
  },
  "exclude": ["node_modules"]
}