tsconfig.json

{
  "compilerOptions": {
    "moduleResolution": "node",
    "target": "ESNext",
    "module": "CommonJS",
    "lib": ["esnext", "dom"],
    "allowJs": false,                       /* Allow javascript files to be compiled. */
    //"checkJs": true,                       /* Report errors in .js files. */
    "outDir": "./dist",                    /* Redirect output structure to the directory. */
    "rootDir": "./src",                    /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    "declaration": true,
    "esModuleInterop": true,

    "strict": true,                        /* Enable all strict type-checking options. */
    "types": ["node", "vitest/globals"],
    "allowSyntheticDefaultImports": true,

    "skipLibCheck": true,                     /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true  /* Disallow inconsistently-cased references to the same file. */
  },
  "include": [ "src/**/*.ts", "test/**/*.ts"]
}