tsconfig.json

{
  "include": ["src"],
  "compilerOptions": {
    /* Language and Environment */
    "rootDir": "src",
    "target": "es2021",
    "lib": ["esnext"],

    /* Modules */
    "module": "esnext",
    "moduleResolution": "node",
    "resolveJsonModule": true,

    /* JavaScript Support */
    "allowJs": true,
    "checkJs": true,

    /* Emit */
    "declaration": true,
    "declarationMap": true,
    "sourceMap": true,
    "outDir": "lib/esm/",
    "removeComments": false,
    "importHelpers": true,
    "importsNotUsedAsValues": "remove",
    "inlineSources": true,
    "newLine": "lf",
    "noEmitHelpers": true,

    /* Interop Constraints */
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,

    /* Type Checking */
    "strict": true,
    "useUnknownInCatchVariables": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "exactOptionalPropertyTypes": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "noUncheckedIndexedAccess": true,
    "noImplicitOverride": true,
    "noPropertyAccessFromIndexSignature": true,
    "allowUnusedLabels": false,
    "allowUnreachableCode": false
  }
}