tsconfig.json

{
  "compilerOptions": {
    "target": "es2020",                             /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', 'ES2021', or 'ESNEXT'. */
    "lib": ["es2020"],
    "module": "commonjs",                           /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    "sourceMap": true,                              /* Generates corresponding '.map' file. */
    "outDir": "dist",                               /* Redirect output structure to the directory. */
    "rootDirs": ["src", "tests"],                   /* List of root folders whose combined content represents the structure of the project at runtime. */
    "moduleResolution": "node",                     /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "esModuleInterop": true,                        /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    "baseUrl": "src",                               /* Base directory to resolve non-absolute module names. */
    "paths": {
      "@/*": ["*"],
      "@/tests/*": ["../tests/*"]
    },                                              /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
    "strict": true,                                 /* Enable all strict type-checking options. */
    "skipLibCheck": true,                           /* Skip type checking of declaration files. */
    "forceConsistentCasingInFileNames": true,       /* Disallow inconsistently-cased references to the same file. */
    "experimentalDecorators": true,                 /* Enables experimental support for ES7 decorators. */
    "emitDecoratorMetadata": true,                  /* Enables experimental support for emitting type metadata for decorators. */
    "declaration": true,                            /* Generates corresponding '.d.ts' file. */
    "declarationMap": true                          /* Generates a sourcemap for each corresponding '.d.ts' file. */
  },
  "include": ["src", "tests", "index.ts"]
}